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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2016-03-04 22:32:40 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-03-04 22:32:40 +0300
commit52cdce8adb635746f53306ab2599ca64902bb1dc (patch)
tree0b61680c30eb150796cf01186f15b4845cdee6dd
parent3cd47869431d7402d0613cf0f7fbb392f2b97565 (diff)
parent7dde4e74744772efdc85d7ed13495c7b6a0d881b (diff)
downloadlinux-52cdce8adb635746f53306ab2599ca64902bb1dc.tar.xz
Merge branch 'rotary-encoder' into next
Bring in updates to roraty encoder driver switching it away from legacy platform data and over to generic device properties and adding support for encoders using more than 2 GPIOs.
-rw-r--r--Documentation/devicetree/bindings/dma/ti-edma.txt10
-rw-r--r--Documentation/devicetree/bindings/input/rotary-encoder.txt2
-rw-r--r--Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt2
-rw-r--r--Documentation/devicetree/bindings/mtd/partition.txt7
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-rw-r--r--arch/powerpc/include/asm/systbl.h24
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-rw-r--r--arch/powerpc/kvm/book3s_hv.c6
-rw-r--r--arch/powerpc/net/bpf_jit_comp.c13
-rw-r--r--arch/powerpc/platforms/powernv/opal-irqchip.c14
-rw-r--r--arch/powerpc/platforms/powernv/opal.c2
-rw-r--r--arch/s390/kernel/dis.c17
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-rw-r--r--arch/sparc/kernel/head_64.S13
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-rw-r--r--arch/x86/kvm/i8254.c1
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-rw-r--r--arch/x86/xen/enlighten.c8
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-rw-r--r--arch/x86/xen/suspend.c21
-rw-r--r--block/blk-core.c20
-rw-r--r--crypto/ablkcipher.c2
-rw-r--r--crypto/algif_skcipher.c61
-rw-r--r--crypto/async_tx/async_memcpy.c2
-rw-r--r--crypto/async_tx/async_pq.c4
-rw-r--r--crypto/async_tx/async_raid6_recov.c4
-rw-r--r--crypto/async_tx/async_xor.c4
-rw-r--r--crypto/blkcipher.c2
-rw-r--r--drivers/acpi/device_sysfs.c2
-rw-r--r--drivers/acpi/nfit.c2
-rw-r--r--drivers/acpi/processor_driver.c3
-rw-r--r--drivers/base/power/domain.c33
-rw-r--r--drivers/block/null_blk.c15
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-rw-r--r--drivers/block/xen-blkback/common.h8
-rw-r--r--drivers/bus/sunxi-rsb.c8
-rw-r--r--drivers/connector/connector.c11
-rw-r--r--drivers/cpufreq/Kconfig.arm2
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-rw-r--r--drivers/dma/at_xdmac.c9
-rw-r--r--drivers/dma/bcm2835-dma.c78
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-rw-r--r--drivers/input/joystick/db9.c1
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-rw-r--r--drivers/input/misc/arizona-haptics.c3
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-rw-r--r--drivers/input/mouse/elan_i2c_core.c3
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-rw-r--r--drivers/memory/fsl_ifc.c1
-rw-r--r--drivers/mtd/mtdcore.c26
-rw-r--r--drivers/mtd/ofpart.c12
-rw-r--r--drivers/mtd/spi-nor/spi-nor.c10
-rw-r--r--drivers/mtd/ubi/debug.c2
-rw-r--r--drivers/mtd/ubi/io.c2
-rw-r--r--drivers/mtd/ubi/wl.c53
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-dev.c4
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.c38
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_main.h4
-rw-r--r--drivers/net/ethernet/atheros/atl1c/atl1c_main.c7
-rw-r--r--drivers/net/ethernet/aurora/Kconfig1
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c22
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c46
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h6
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c2
-rw-r--r--drivers/net/ethernet/cavium/thunder/nic_main.c39
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c4
-rw-r--r--drivers/net/ethernet/emulex/benet/be.h2
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c8
-rw-r--r--drivers/net/ethernet/emulex/benet/be_roce.c36
-rw-r--r--drivers/net/ethernet/emulex/benet/be_roce.h4
-rw-r--r--drivers/net/ethernet/ezchip/nps_enet.c30
-rw-r--r--drivers/net/ethernet/freescale/fs_enet/mac-fcc.c2
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-rw-r--r--drivers/net/ethernet/freescale/gianfar.c8
-rw-r--r--drivers/net/ethernet/freescale/gianfar.h1
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c49
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h11
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_adminq.c6
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c11
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_adminq.c6
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-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c3
-rw-r--r--drivers/net/ethernet/marvell/mvpp2.c52
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_clock.c7
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-rw-r--r--drivers/net/ethernet/natsemi/natsemi.c12
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed.h3
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-rw-r--r--drivers/rtc/rtc-rk808.c48
-rw-r--r--drivers/s390/crypto/ap_bus.c4
-rw-r--r--drivers/s390/virtio/virtio_ccw.c62
-rw-r--r--drivers/scsi/scsi_pm.c20
-rw-r--r--drivers/scsi/sd.c9
-rw-r--r--drivers/scsi/ses.c30
-rw-r--r--drivers/spi/spi-fsl-dspi.c12
-rw-r--r--drivers/spi/spi.c2
-rw-r--r--drivers/spi/spidev.c2
-rw-r--r--drivers/staging/android/ion/ion_chunk_heap.c4
-rw-r--r--drivers/tty/n_tty.c22
-rw-r--r--drivers/tty/serial/8250/8250_uniphier.c8
-rw-r--r--drivers/tty/serial/earlycon.c2
-rw-r--r--drivers/tty/serial/sh-sci.c2
-rw-r--r--drivers/tty/serial/sunhv.c12
-rw-r--r--drivers/tty/tty_buffer.c2
-rw-r--r--drivers/usb/core/hub.c22
-rw-r--r--drivers/usb/serial/ipaq.c3
-rw-r--r--drivers/video/fbdev/fsl-diu-fb.c13
-rw-r--r--drivers/video/fbdev/omap2/dss/venc.c12
-rw-r--r--drivers/xen/events/events_fifo.c23
-rw-r--r--drivers/xen/xen-pciback/pciback.h1
-rw-r--r--drivers/xen/xen-pciback/pciback_ops.c75
-rw-r--r--drivers/xen/xen-pciback/xenbus.c4
-rw-r--r--drivers/xen/xen-scsiback.c2
-rw-r--r--fs/btrfs/extent-tree.c10
-rw-r--r--fs/btrfs/file.c18
-rw-r--r--fs/btrfs/free-space-cache.c10
-rw-r--r--fs/btrfs/transaction.c1
-rw-r--r--fs/btrfs/transaction.h2
-rw-r--r--fs/btrfs/volumes.c3
-rw-r--r--fs/nfsd/nfs4layouts.c2
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c2
-rw-r--r--fs/ocfs2/locks.c5
-rw-r--r--fs/ocfs2/resize.c15
-rw-r--r--fs/proc/base.c1
-rw-r--r--include/linux/blkdev.h1
-rw-r--r--include/linux/enclosure.h4
-rw-r--r--include/linux/filter.h19
-rw-r--r--include/linux/ftrace.h1
-rw-r--r--include/linux/mmdebug.h1
-rw-r--r--include/linux/mtd/spi-nor.h2
-rw-r--r--include/linux/netdevice.h2
-rw-r--r--include/linux/netfilter/nfnetlink.h2
-rw-r--r--include/linux/platform_data/edma.h2
-rw-r--r--include/linux/qed/common_hsi.h2
-rw-r--r--include/linux/qed/qed_chain.h3
-rw-r--r--include/linux/rhashtable.h18
-rw-r--r--include/linux/rotary_encoder.h17
-rw-r--r--include/linux/sched.h16
-rw-r--r--include/linux/usb/cdc_ncm.h1
-rw-r--r--include/linux/vmstat.h6
-rw-r--r--include/net/dst.h33
-rw-r--r--include/net/inet_sock.h27
-rw-r--r--include/net/inetpeer.h1
-rw-r--r--include/net/l3mdev.h16
-rw-r--r--include/net/route.h7
-rw-r--r--include/net/sctp/structs.h3
-rw-r--r--include/net/sock.h7
-rw-r--r--include/net/vxlan.h2
-rw-r--r--include/net/xfrm.h25
-rw-r--r--include/sound/soc.h2
-rw-r--r--include/uapi/linux/Kbuild1
-rw-r--r--include/uapi/linux/openvswitch.h2
-rw-r--r--include/xen/interface/io/ring.h14
-rw-r--r--kernel/events/core.c35
-rw-r--r--kernel/fork.c1
-rw-r--r--kernel/irq/manage.c6
-rw-r--r--kernel/locking/osq_lock.c8
-rw-r--r--kernel/module.c6
-rw-r--r--kernel/sched/fair.c2
-rw-r--r--kernel/trace/trace_printk.c1
-rw-r--r--lib/dma-debug.c4
-rw-r--r--lib/rhashtable.c70
-rw-r--r--mm/memcontrol.c60
-rw-r--r--mm/memory_hotplug.c31
-rw-r--r--mm/vmstat.c12
-rw-r--r--mm/zswap.c6
-rw-r--r--net/ax25/af_ax25.c3
-rw-r--r--net/batman-adv/distributed-arp-table.c5
-rw-r--r--net/batman-adv/routing.c19
-rw-r--r--net/batman-adv/translation-table.c16
-rw-r--r--net/bluetooth/sco.c3
-rw-r--r--net/bridge/br_stp_if.c7
-rw-r--r--net/core/dst.c3
-rw-r--r--net/core/skbuff.c5
-rw-r--r--net/core/sock.c7
-rw-r--r--net/decnet/af_decnet.c3
-rw-r--r--net/ipv4/af_inet.c3
-rw-r--r--net/ipv4/fib_frontend.c9
-rw-r--r--net/ipv4/fou.c3
-rw-r--r--net/ipv4/ipip.c3
-rw-r--r--net/ipv4/netfilter/Kconfig1
-rw-r--r--net/ipv4/raw.c7
-rw-r--r--net/ipv4/tcp_input.c3
-rw-r--r--net/ipv4/tcp_ipv4.c5
-rw-r--r--net/ipv4/tcp_output.c23
-rw-r--r--net/ipv4/udp.c7
-rw-r--r--net/ipv4/xfrm4_policy.c46
-rw-r--r--net/ipv6/addrconf.c19
-rw-r--r--net/ipv6/addrlabel.c2
-rw-r--r--net/ipv6/af_inet6.c3
-rw-r--r--net/ipv6/ip6_gre.c8
-rw-r--r--net/ipv6/ndisc.c4
-rw-r--r--net/ipv6/netfilter/Kconfig1
-rw-r--r--net/ipv6/tcp_ipv6.c3
-rw-r--r--net/ipv6/xfrm6_policy.c53
-rw-r--r--net/irda/af_irda.c3
-rw-r--r--net/mac80211/cfg.c3
-rw-r--r--net/mac80211/ieee80211_i.h4
-rw-r--r--net/mac80211/mlme.c17
-rw-r--r--net/mac80211/rx.c3
-rw-r--r--net/mac80211/util.c113
-rw-r--r--net/mac80211/vht.c10
-rw-r--r--net/mpls/af_mpls.c43
-rw-r--r--net/mpls/mpls_iptunnel.c4
-rw-r--r--net/netfilter/nf_tables_api.c99
-rw-r--r--net/netfilter/nf_tables_netdev.c2
-rw-r--r--net/netfilter/nfnetlink.c4
-rw-r--r--net/netfilter/nfnetlink_queue.c9
-rw-r--r--net/netfilter/nft_ct.c1
-rw-r--r--net/openvswitch/conntrack.c22
-rw-r--r--net/openvswitch/flow_netlink.c5
-rw-r--r--net/rfkill/core.c6
-rw-r--r--net/sched/sch_api.c2
-rw-r--r--net/sched/sch_generic.c4
-rw-r--r--net/sctp/ipv6.c11
-rw-r--r--net/sctp/outqueue.c2
-rw-r--r--net/sctp/sm_make_chunk.c4
-rw-r--r--net/sctp/sm_statefuns.c9
-rw-r--r--net/sctp/socket.c26
-rw-r--r--net/socket.c2
-rw-r--r--net/unix/af_unix.c79
-rw-r--r--net/wireless/nl80211.c5
-rw-r--r--net/wireless/reg.c5
-rw-r--r--net/xfrm/xfrm_policy.c88
-rw-r--r--scripts/recordmcount.c137
-rw-r--r--security/keys/keyctl.c18
-rw-r--r--sound/pci/hda/hda_intel.c34
-rw-r--r--sound/pci/hda/patch_realtek.c168
-rw-r--r--sound/soc/codecs/arizona.c2
-rw-r--r--sound/soc/codecs/es8328.c25
-rw-r--r--sound/soc/codecs/es8328.h1
-rw-r--r--sound/soc/codecs/rt5645.c4
-rw-r--r--sound/soc/codecs/rt5645.h4
-rw-r--r--sound/soc/codecs/sgtl5000.c1
-rw-r--r--sound/soc/codecs/wm8974.c1
-rw-r--r--sound/soc/davinci/davinci-mcasp.c4
-rw-r--r--sound/soc/fsl/fsl_sai.c18
-rw-r--r--sound/soc/intel/skylake/skl-topology.c3
-rw-r--r--sound/soc/intel/skylake/skl.c4
-rw-r--r--sound/soc/intel/skylake/skl.h2
-rw-r--r--sound/soc/rockchip/rockchip_spdif.c6
-rw-r--r--sound/soc/rockchip/rockchip_spdif.h2
-rw-r--r--sound/usb/mixer.c2
-rw-r--r--sound/usb/mixer_maps.c12
-rw-r--r--sound/usb/mixer_quirks.c37
-rw-r--r--sound/usb/mixer_quirks.h4
-rw-r--r--sound/usb/quirks.c1
-rw-r--r--tools/perf/builtin-buildid-list.c2
-rw-r--r--tools/perf/ui/browsers/hists.c8
-rw-r--r--tools/perf/util/build-id.c2
-rw-r--r--tools/perf/util/parse-events.c6
-rw-r--r--virt/kvm/arm/vgic.c2
477 files changed, 4626 insertions, 2631 deletions
diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt
index d3d0a4fb1c73..079b42a81d7c 100644
--- a/Documentation/devicetree/bindings/dma/ti-edma.txt
+++ b/Documentation/devicetree/bindings/dma/ti-edma.txt
@@ -22,8 +22,7 @@ Required properties:
Optional properties:
- ti,hwmods: Name of the hwmods associated to the eDMA CC
- ti,edma-memcpy-channels: List of channels allocated to be used for memcpy, iow
- these channels will be SW triggered channels. The list must
- contain 16 bits numbers, see example.
+ these channels will be SW triggered channels. See example.
- ti,edma-reserved-slot-ranges: PaRAM slot ranges which should not be used by
the driver, they are allocated to be used by for example the
DSP. See example.
@@ -56,10 +55,9 @@ edma: edma@49000000 {
ti,tptcs = <&edma_tptc0 7>, <&edma_tptc1 7>, <&edma_tptc2 0>;
/* Channel 20 and 21 is allocated for memcpy */
- ti,edma-memcpy-channels = /bits/ 16 <20 21>;
- /* The following PaRAM slots are reserved: 35-45 and 100-110 */
- ti,edma-reserved-slot-ranges = /bits/ 16 <35 10>,
- /bits/ 16 <100 10>;
+ ti,edma-memcpy-channels = <20 21>;
+ /* The following PaRAM slots are reserved: 35-44 and 100-109 */
+ ti,edma-reserved-slot-ranges = <35 10>, <100 10>;
};
edma_tptc0: tptc@49800000 {
diff --git a/Documentation/devicetree/bindings/input/rotary-encoder.txt b/Documentation/devicetree/bindings/input/rotary-encoder.txt
index de99cbbbf6da..6c9f0c8a846c 100644
--- a/Documentation/devicetree/bindings/input/rotary-encoder.txt
+++ b/Documentation/devicetree/bindings/input/rotary-encoder.txt
@@ -1,7 +1,7 @@
Rotary encoder DT bindings
Required properties:
-- gpios: a spec for two GPIOs to be used
+- gpios: a spec for at least two GPIOs to be used, most significant first
Optional properties:
- linux,axis: the input subsystem axis to map to this rotary encoder.
diff --git a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt
index b9c32f6fd687..4357e498ef04 100644
--- a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt
+++ b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt
@@ -12,7 +12,7 @@ Each key is represented as a sub-node of "allwinner,sun4i-a10-lradc-keys":
Required subnode-properties:
- label: Descriptive name of the key.
- linux,code: Keycode to emit.
- - channel: Channel this key is attached to, mut be 0 or 1.
+ - channel: Channel this key is attached to, must be 0 or 1.
- voltage: Voltage in µV at lradc input when this key is pressed.
Example:
diff --git a/Documentation/devicetree/bindings/mtd/partition.txt b/Documentation/devicetree/bindings/mtd/partition.txt
index f1e2a02381a4..1c63e40659fc 100644
--- a/Documentation/devicetree/bindings/mtd/partition.txt
+++ b/Documentation/devicetree/bindings/mtd/partition.txt
@@ -6,7 +6,9 @@ used for what purposes, but which don't use an on-flash partition table such
as RedBoot.
The partition table should be a subnode of the mtd node and should be named
-'partitions'. Partitions are defined in subnodes of the partitions node.
+'partitions'. This node should have the following property:
+- compatible : (required) must be "fixed-partitions"
+Partitions are then defined in subnodes of the partitions node.
For backwards compatibility partitions as direct subnodes of the mtd device are
supported. This use is discouraged.
@@ -36,6 +38,7 @@ Examples:
flash@0 {
partitions {
+ compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
@@ -53,6 +56,7 @@ flash@0 {
flash@1 {
partitions {
+ compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <2>;
@@ -66,6 +70,7 @@ flash@1 {
flash@2 {
partitions {
+ compatible = "fixed-partitions";
#address-cells = <2>;
#size-cells = <2>;
diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt
index 9853f8e70966..28a4781ab6d7 100644
--- a/Documentation/devicetree/bindings/net/cpsw.txt
+++ b/Documentation/devicetree/bindings/net/cpsw.txt
@@ -40,18 +40,18 @@ Optional properties:
Slave Properties:
Required properties:
-- phy_id : Specifies slave phy id
- phy-mode : See ethernet.txt file in the same directory
Optional properties:
- dual_emac_res_vlan : Specifies VID to be used to segregate the ports
- mac-address : See ethernet.txt file in the same directory
+- phy_id : Specifies slave phy id
- phy-handle : See ethernet.txt file in the same directory
Slave sub-nodes:
- fixed-link : See fixed-link.txt file in the same directory
- Either the properties phy_id and phy-mode,
- or the sub-node fixed-link can be specified
+ Either the property phy_id, or the sub-node
+ fixed-link can be specified
Note: "ti,hwmods" field is used to fetch the base address and irq
resources from TI, omap hwmod data base during device registration.
diff --git a/Documentation/networking/e100.txt b/Documentation/networking/e100.txt
index f862cf3aff34..42ddbd4b52a9 100644
--- a/Documentation/networking/e100.txt
+++ b/Documentation/networking/e100.txt
@@ -181,17 +181,3 @@ For general information, go to the Intel support website at:
If an issue is identified with the released source code on the supported
kernel with a supported adapter, email the specific information related to the
issue to e1000-devel@lists.sourceforge.net.
-
-
-License
-=======
-
-This software program is released under the terms of a license agreement
-between you ('Licensee') and Intel. Do not use or load this software or any
-associated materials (collectively, the 'Software') until you have carefully
-read the full terms and conditions of the file COPYING located in this software
-package. By loading or using the Software, you agree to the terms of this
-Agreement. If you do not agree with the terms of this Agreement, do not install
-or use the Software.
-
-* Other names and brands may be claimed as the property of others.
diff --git a/MAINTAINERS b/MAINTAINERS
index 9bff63cf326e..233f83464814 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5578,7 +5578,7 @@ R: Jesse Brandeburg <jesse.brandeburg@intel.com>
R: Shannon Nelson <shannon.nelson@intel.com>
R: Carolyn Wyborny <carolyn.wyborny@intel.com>
R: Don Skidmore <donald.c.skidmore@intel.com>
-R: Matthew Vick <matthew.vick@intel.com>
+R: Bruce Allan <bruce.w.allan@intel.com>
R: John Ronciak <john.ronciak@intel.com>
R: Mitch Williams <mitch.a.williams@intel.com>
L: intel-wired-lan@lists.osuosl.org
@@ -8380,6 +8380,14 @@ L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
S: Maintained
F: drivers/pinctrl/samsung/
+PIN CONTROLLER - SINGLE
+M: Tony Lindgren <tony@atomide.com>
+M: Haojian Zhuang <haojian.zhuang@linaro.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L: linux-omap@vger.kernel.org
+S: Maintained
+F: drivers/pinctrl/pinctrl-single.c
+
PIN CONTROLLER - ST SPEAR
M: Viresh Kumar <vireshk@kernel.org>
L: spear-devel@list.st.com
@@ -8946,6 +8954,13 @@ F: drivers/rpmsg/
F: Documentation/rpmsg.txt
F: include/linux/rpmsg.h
+RENESAS ETHERNET DRIVERS
+R: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
+L: netdev@vger.kernel.org
+L: linux-sh@vger.kernel.org
+F: drivers/net/ethernet/renesas/
+F: include/linux/sh_eth.h
+
RESET CONTROLLER FRAMEWORK
M: Philipp Zabel <p.zabel@pengutronix.de>
S: Maintained
diff --git a/Makefile b/Makefile
index bc0165d0f5cf..70dea02f1346 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION =
NAME = Blurry Fish Butt
# *DOCUMENTATION*
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 2c2ac3f3ff80..6312f607932f 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -445,6 +445,7 @@ config LINUX_LINK_BASE
However some customers have peripherals mapped at this addr, so
Linux needs to be scooted a bit.
If you don't know what the above means, leave this setting alone.
+ This needs to match memory start address specified in Device Tree
config HIGHMEM
bool "High Memory Support"
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index cf0cf34eeb24..aeb19021099e 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -81,7 +81,7 @@ endif
LIBGCC := $(shell $(CC) $(cflags-y) --print-libgcc-file-name)
# Modules with short calls might break for calls into builtin-kernel
-KBUILD_CFLAGS_MODULE += -mlong-calls
+KBUILD_CFLAGS_MODULE += -mlong-calls -mno-millicode
# Finally dump eveything into kernel build system
KBUILD_CFLAGS += $(cflags-y)
diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index f3db32154973..44a578c10732 100644
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -46,6 +46,7 @@
snps,pbl = < 32 >;
clocks = <&apbclk>;
clock-names = "stmmaceth";
+ max-speed = <100>;
};
ehci@0x40000 {
diff --git a/arch/arc/boot/dts/nsim_hs.dts b/arch/arc/boot/dts/nsim_hs.dts
index b0eb0e7fe21d..fc81879bc1f5 100644
--- a/arch/arc/boot/dts/nsim_hs.dts
+++ b/arch/arc/boot/dts/nsim_hs.dts
@@ -17,7 +17,8 @@
memory {
device_type = "memory";
- reg = <0x0 0x80000000 0x0 0x40000000 /* 1 GB low mem */
+ /* CONFIG_LINUX_LINK_BASE needs to match low mem start */
+ reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MB low mem */
0x1 0x00000000 0x0 0x40000000>; /* 1 GB highmem */
};
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
index abf06e81c929..210ef3e72332 100644
--- a/arch/arc/include/asm/cache.h
+++ b/arch/arc/include/asm/cache.h
@@ -62,9 +62,7 @@ extern int ioc_exists;
#define ARC_REG_IC_IVIC 0x10
#define ARC_REG_IC_CTRL 0x11
#define ARC_REG_IC_IVIL 0x19
-#if defined(CONFIG_ARC_MMU_V3) || defined(CONFIG_ARC_MMU_V4)
#define ARC_REG_IC_PTAG 0x1E
-#endif
#define ARC_REG_IC_PTAG_HI 0x1F
/* Bit val in IC_CTRL */
diff --git a/arch/arc/include/asm/mach_desc.h b/arch/arc/include/asm/mach_desc.h
index 6ff657a904b6..c28e6c347b49 100644
--- a/arch/arc/include/asm/mach_desc.h
+++ b/arch/arc/include/asm/mach_desc.h
@@ -23,7 +23,7 @@
* @dt_compat: Array of device tree 'compatible' strings
* (XXX: although only 1st entry is looked at)
* @init_early: Very early callback [called from setup_arch()]
- * @init_cpu_smp: for each CPU as it is coming up (SMP as well as UP)
+ * @init_per_cpu: for each CPU as it is coming up (SMP as well as UP)
* [(M):init_IRQ(), (o):start_kernel_secondary()]
* @init_machine: arch initcall level callback (e.g. populate static
* platform devices or parse Devicetree)
@@ -35,7 +35,7 @@ struct machine_desc {
const char **dt_compat;
void (*init_early)(void);
#ifdef CONFIG_SMP
- void (*init_cpu_smp)(unsigned int);
+ void (*init_per_cpu)(unsigned int);
#endif
void (*init_machine)(void);
void (*init_late)(void);
diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h
index 133c867d15af..991380438d6b 100644
--- a/arch/arc/include/asm/smp.h
+++ b/arch/arc/include/asm/smp.h
@@ -48,7 +48,7 @@ extern int smp_ipi_irq_setup(int cpu, int irq);
* @init_early_smp: A SMP specific h/w block can init itself
* Could be common across platforms so not covered by
* mach_desc->init_early()
- * @init_irq_cpu: Called for each core so SMP h/w block driver can do
+ * @init_per_cpu: Called for each core so SMP h/w block driver can do
* any needed setup per cpu (e.g. IPI request)
* @cpu_kick: For Master to kickstart a cpu (optionally at a PC)
* @ipi_send: To send IPI to a @cpu
@@ -57,7 +57,7 @@ extern int smp_ipi_irq_setup(int cpu, int irq);
struct plat_smp_ops {
const char *info;
void (*init_early_smp)(void);
- void (*init_irq_cpu)(int cpu);
+ void (*init_per_cpu)(int cpu);
void (*cpu_kick)(int cpu, unsigned long pc);
void (*ipi_send)(int cpu);
void (*ipi_clear)(int irq);
diff --git a/arch/arc/include/asm/unwind.h b/arch/arc/include/asm/unwind.h
index 7ca628b6ee2a..c11a25bb8158 100644
--- a/arch/arc/include/asm/unwind.h
+++ b/arch/arc/include/asm/unwind.h
@@ -112,7 +112,6 @@ struct unwind_frame_info {
extern int arc_unwind(struct unwind_frame_info *frame);
extern void arc_unwind_init(void);
-extern void arc_unwind_setup(void);
extern void *unwind_add_table(struct module *module, const void *table_start,
unsigned long table_size);
extern void unwind_remove_table(void *handle, int init_only);
@@ -152,9 +151,6 @@ static inline void arc_unwind_init(void)
{
}
-static inline void arc_unwind_setup(void)
-{
-}
#define unwind_add_table(a, b, c)
#define unwind_remove_table(a, b)
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index 26c156827479..0394f9f61b46 100644
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -106,10 +106,21 @@ static struct irq_chip arcv2_irq_chip = {
static int arcv2_irq_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hw)
{
- if (irq == TIMER0_IRQ || irq == IPI_IRQ)
+ /*
+ * core intc IRQs [16, 23]:
+ * Statically assigned always private-per-core (Timers, WDT, IPI, PCT)
+ */
+ if (hw < 24) {
+ /*
+ * A subsequent request_percpu_irq() fails if percpu_devid is
+ * not set. That in turns sets NOAUTOEN, meaning each core needs
+ * to call enable_percpu_irq()
+ */
+ irq_set_percpu_devid(irq);
irq_set_chip_and_handler(irq, &arcv2_irq_chip, handle_percpu_irq);
- else
+ } else {
irq_set_chip_and_handler(irq, &arcv2_irq_chip, handle_level_irq);
+ }
return 0;
}
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c
index 2ee226546c6a..ba17f85285cf 100644
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -29,11 +29,11 @@ void __init init_IRQ(void)
#ifdef CONFIG_SMP
/* a SMP H/w block could do IPI IRQ request here */
- if (plat_smp_ops.init_irq_cpu)
- plat_smp_ops.init_irq_cpu(smp_processor_id());
+ if (plat_smp_ops.init_per_cpu)
+ plat_smp_ops.init_per_cpu(smp_processor_id());
- if (machine_desc->init_cpu_smp)
- machine_desc->init_cpu_smp(smp_processor_id());
+ if (machine_desc->init_per_cpu)
+ machine_desc->init_per_cpu(smp_processor_id());
#endif
}
@@ -51,6 +51,18 @@ void arch_do_IRQ(unsigned int irq, struct pt_regs *regs)
set_irq_regs(old_regs);
}
+/*
+ * API called for requesting percpu interrupts - called by each CPU
+ * - For boot CPU, actually request the IRQ with genirq core + enables
+ * - For subsequent callers only enable called locally
+ *
+ * Relies on being called by boot cpu first (i.e. request called ahead) of
+ * any enable as expected by genirq. Hence Suitable only for TIMER, IPI
+ * which are guaranteed to be setup on boot core first.
+ * Late probed peripherals such as perf can't use this as there no guarantee
+ * of being called on boot CPU first.
+ */
+
void arc_request_percpu_irq(int irq, int cpu,
irqreturn_t (*isr)(int irq, void *dev),
const char *irq_nm,
@@ -60,14 +72,17 @@ void arc_request_percpu_irq(int irq, int cpu,
if (!cpu) {
int rc;
+#ifdef CONFIG_ISA_ARCOMPACT
/*
- * These 2 calls are essential to making percpu IRQ APIs work
- * Ideally these details could be hidden in irq chip map function
- * but the issue is IPIs IRQs being static (non-DT) and platform
- * specific, so we can't identify them there.
+ * A subsequent request_percpu_irq() fails if percpu_devid is
+ * not set. That in turns sets NOAUTOEN, meaning each core needs
+ * to call enable_percpu_irq()
+ *
+ * For ARCv2, this is done in irq map function since we know
+ * which irqs are strictly per cpu
*/
irq_set_percpu_devid(irq);
- irq_modify_status(irq, IRQ_NOAUTOEN, 0); /* @irq, @clr, @set */
+#endif
rc = request_percpu_irq(irq, isr, irq_nm, percpu_dev);
if (rc)
diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index 74a9b074ac3e..bd237acdf4f2 100644
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -132,7 +132,7 @@ static void mcip_probe_n_setup(void)
struct plat_smp_ops plat_smp_ops = {
.info = smp_cpuinfo_buf,
.init_early_smp = mcip_probe_n_setup,
- .init_irq_cpu = mcip_setup_per_cpu,
+ .init_per_cpu = mcip_setup_per_cpu,
.ipi_send = mcip_ipi_send,
.ipi_clear = mcip_ipi_clear,
};
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index 0c08bb1ce15a..8b134cfe5e1f 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -428,12 +428,11 @@ static irqreturn_t arc_pmu_intr(int irq, void *dev)
#endif /* CONFIG_ISA_ARCV2 */
-void arc_cpu_pmu_irq_init(void)
+static void arc_cpu_pmu_irq_init(void *data)
{
- struct arc_pmu_cpu *pmu_cpu = this_cpu_ptr(&arc_pmu_cpu);
+ int irq = *(int *)data;
- arc_request_percpu_irq(arc_pmu->irq, smp_processor_id(), arc_pmu_intr,
- "ARC perf counters", pmu_cpu);
+ enable_percpu_irq(irq, IRQ_TYPE_NONE);
/* Clear all pending interrupt flags */
write_aux_reg(ARC_REG_PCT_INT_ACT, 0xffffffff);
@@ -515,7 +514,6 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
if (has_interrupts) {
int irq = platform_get_irq(pdev, 0);
- unsigned long flags;
if (irq < 0) {
pr_err("Cannot get IRQ number for the platform\n");
@@ -524,24 +522,12 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
arc_pmu->irq = irq;
- /*
- * arc_cpu_pmu_irq_init() needs to be called on all cores for
- * their respective local PMU.
- * However we use opencoded on_each_cpu() to ensure it is called
- * on core0 first, so that arc_request_percpu_irq() sets up
- * AUTOEN etc. Otherwise enable_percpu_irq() fails to enable
- * perf IRQ on non master cores.
- * see arc_request_percpu_irq()
- */
- preempt_disable();
- local_irq_save(flags);
- arc_cpu_pmu_irq_init();
- local_irq_restore(flags);
- smp_call_function((smp_call_func_t)arc_cpu_pmu_irq_init, 0, 1);
- preempt_enable();
-
- /* Clean all pending interrupt flags */
- write_aux_reg(ARC_REG_PCT_INT_ACT, 0xffffffff);
+ /* intc map function ensures irq_set_percpu_devid() called */
+ request_percpu_irq(irq, arc_pmu_intr, "ARC perf counters",
+ this_cpu_ptr(&arc_pmu_cpu));
+
+ on_each_cpu(arc_cpu_pmu_irq_init, &irq, 1);
+
} else
arc_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index c33e77c0ad3e..e1b87444ea9a 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -429,7 +429,6 @@ void __init setup_arch(char **cmdline_p)
#endif
arc_unwind_init();
- arc_unwind_setup();
}
static int __init customize_machine(void)
diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c
index 580587805fa3..ef6e9e15b82a 100644
--- a/arch/arc/kernel/smp.c
+++ b/arch/arc/kernel/smp.c
@@ -132,11 +132,11 @@ void start_kernel_secondary(void)
pr_info("## CPU%u LIVE ##: Executing Code...\n", cpu);
/* Some SMP H/w setup - for each cpu */
- if (plat_smp_ops.init_irq_cpu)
- plat_smp_ops.init_irq_cpu(cpu);
+ if (plat_smp_ops.init_per_cpu)
+ plat_smp_ops.init_per_cpu(cpu);
- if (machine_desc->init_cpu_smp)
- machine_desc->init_cpu_smp(cpu);
+ if (machine_desc->init_per_cpu)
+ machine_desc->init_per_cpu(cpu);
arc_local_timer_setup();
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index 7352475451f6..5eb707640e9c 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -170,6 +170,23 @@ static struct unwind_table *find_table(unsigned long pc)
static unsigned long read_pointer(const u8 **pLoc,
const void *end, signed ptrType);
+static void init_unwind_hdr(struct unwind_table *table,
+ void *(*alloc) (unsigned long));
+
+/*
+ * wrappers for header alloc (vs. calling one vs. other at call site)
+ * to elide section mismatches warnings
+ */
+static void *__init unw_hdr_alloc_early(unsigned long sz)
+{
+ return __alloc_bootmem_nopanic(sz, sizeof(unsigned int),
+ MAX_DMA_ADDRESS);
+}
+
+static void *unw_hdr_alloc(unsigned long sz)
+{
+ return kmalloc(sz, GFP_KERNEL);
+}
static void init_unwind_table(struct unwind_table *table, const char *name,
const void *core_start, unsigned long core_size,
@@ -209,6 +226,8 @@ void __init arc_unwind_init(void)
__start_unwind, __end_unwind - __start_unwind,
NULL, 0);
/*__start_unwind_hdr, __end_unwind_hdr - __start_unwind_hdr);*/
+
+ init_unwind_hdr(&root_table, unw_hdr_alloc_early);
}
static const u32 bad_cie, not_fde;
@@ -241,8 +260,8 @@ static void swap_eh_frame_hdr_table_entries(void *p1, void *p2, int size)
e2->fde = v;
}
-static void __init setup_unwind_table(struct unwind_table *table,
- void *(*alloc) (unsigned long))
+static void init_unwind_hdr(struct unwind_table *table,
+ void *(*alloc) (unsigned long))
{
const u8 *ptr;
unsigned long tableSize = table->size, hdrSize;
@@ -277,10 +296,10 @@ static void __init setup_unwind_table(struct unwind_table *table,
if (cie == &not_fde)
continue;
if (cie == NULL || cie == &bad_cie)
- return;
+ goto ret_err;
ptrType = fde_pointer_type(cie);
if (ptrType < 0)
- return;
+ goto ret_err;
ptr = (const u8 *)(fde + 2);
if (!read_pointer(&ptr, (const u8 *)(fde + 1) + *fde,
@@ -296,13 +315,15 @@ static void __init setup_unwind_table(struct unwind_table *table,
}
if (tableSize || !n)
- return;
+ goto ret_err;
hdrSize = 4 + sizeof(unsigned long) + sizeof(unsigned int)
+ 2 * n * sizeof(unsigned long);
+
header = alloc(hdrSize);
if (!header)
- return;
+ goto ret_err;
+
header->version = 1;
header->eh_frame_ptr_enc = DW_EH_PE_abs | DW_EH_PE_native;
header->fde_count_enc = DW_EH_PE_abs | DW_EH_PE_data4;
@@ -340,18 +361,10 @@ static void __init setup_unwind_table(struct unwind_table *table,
table->hdrsz = hdrSize;
smp_wmb();
table->header = (const void *)header;
-}
-
-static void *__init balloc(unsigned long sz)
-{
- return __alloc_bootmem_nopanic(sz,
- sizeof(unsigned int),
- __pa(MAX_DMA_ADDRESS));
-}
+ return;
-void __init arc_unwind_setup(void)
-{
- setup_unwind_table(&root_table, balloc);
+ret_err:
+ panic("Attention !!! Dwarf FDE parsing errors\n");;
}
#ifdef CONFIG_MODULES
@@ -377,6 +390,8 @@ void *unwind_add_table(struct module *module, const void *table_start,
table_start, table_size,
NULL, 0);
+ init_unwind_hdr(table, unw_hdr_alloc);
+
#ifdef UNWIND_DEBUG
unw_debug("Table added for [%s] %lx %lx\n",
module->name, table->core.pc, table->core.range);
@@ -439,6 +454,7 @@ void unwind_remove_table(void *handle, int init_only)
info.init_only = init_only;
unlink_table(&info); /* XXX: SMP */
+ kfree(table->header);
kfree(table);
}
@@ -588,9 +604,6 @@ static signed fde_pointer_type(const u32 *cie)
const u8 *ptr = (const u8 *)(cie + 2);
unsigned version = *ptr;
- if (version != 1)
- return -1; /* unsupported */
-
if (*++ptr) {
const char *aug;
const u8 *end = (const u8 *)(cie + 1) + *cie;
@@ -1002,9 +1015,7 @@ int arc_unwind(struct unwind_frame_info *frame)
ptr = (const u8 *)(cie + 2);
end = (const u8 *)(cie + 1) + *cie;
frame->call_frame = 1;
- if ((state.version = *ptr) != 1)
- cie = NULL; /* unsupported version */
- else if (*++ptr) {
+ if (*++ptr) {
/* check if augmentation size is first (thus present) */
if (*ptr == 'z') {
while (++ptr < end && *ptr) {
diff --git a/arch/arc/mm/highmem.c b/arch/arc/mm/highmem.c
index 065ee6bfa82a..92dd92cad7f9 100644
--- a/arch/arc/mm/highmem.c
+++ b/arch/arc/mm/highmem.c
@@ -111,7 +111,7 @@ void __kunmap_atomic(void *kv)
}
EXPORT_SYMBOL(__kunmap_atomic);
-noinline pte_t *alloc_kmap_pgtable(unsigned long kvaddr)
+static noinline pte_t * __init alloc_kmap_pgtable(unsigned long kvaddr)
{
pgd_t *pgd_k;
pud_t *pud_k;
@@ -127,7 +127,7 @@ noinline pte_t *alloc_kmap_pgtable(unsigned long kvaddr)
return pte_k;
}
-void kmap_init(void)
+void __init kmap_init(void)
{
/* Due to recursive include hell, we can't do this in processor.h */
BUILD_BUG_ON(PAGE_OFFSET < (VMALLOC_END + FIXMAP_SIZE + PKMAP_SIZE));
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index a9305b5a2cd4..7d2c4fbf4f22 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -51,7 +51,9 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
int in_use = 0;
if (!low_mem_sz) {
- BUG_ON(base != low_mem_start);
+ if (base != low_mem_start)
+ panic("CONFIG_LINUX_LINK_BASE != DT memory { }");
+
low_mem_sz = size;
in_use = 1;
} else {
diff --git a/arch/arm/boot/dts/imx6q-gw5400-a.dts b/arch/arm/boot/dts/imx6q-gw5400-a.dts
index 58adf176425a..a51834e1dd27 100644
--- a/arch/arm/boot/dts/imx6q-gw5400-a.dts
+++ b/arch/arm/boot/dts/imx6q-gw5400-a.dts
@@ -154,7 +154,7 @@
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-id";
phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
index 7b31fdb79ced..dc0cebfe22d7 100644
--- a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
@@ -94,7 +94,7 @@
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-id";
phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
index 1b66328a8498..18cd4114a23e 100644
--- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
@@ -154,7 +154,7 @@
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-id";
phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
index 7c51839ff934..eea90f37bbb8 100644
--- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
@@ -155,7 +155,7 @@
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-id";
phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
index 929e0b37bd9e..6c11a2ae35ef 100644
--- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
@@ -145,7 +145,7 @@
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-id";
phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
index 8263fc18a7d9..d354d406954d 100644
--- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
@@ -113,14 +113,14 @@
&clks {
assigned-clocks = <&clks IMX6QDL_PLL4_BYPASS_SRC>,
<&clks IMX6QDL_PLL4_BYPASS>,
- <&clks IMX6QDL_CLK_PLL4_POST_DIV>,
<&clks IMX6QDL_CLK_LDB_DI0_SEL>,
- <&clks IMX6QDL_CLK_LDB_DI1_SEL>;
+ <&clks IMX6QDL_CLK_LDB_DI1_SEL>,
+ <&clks IMX6QDL_CLK_PLL4_POST_DIV>;
assigned-clock-parents = <&clks IMX6QDL_CLK_LVDS2_IN>,
<&clks IMX6QDL_PLL4_BYPASS_SRC>,
<&clks IMX6QDL_CLK_PLL3_USB_OTG>,
<&clks IMX6QDL_CLK_PLL3_USB_OTG>;
- assigned-clock-rates = <0>, <0>, <24576000>;
+ assigned-clock-rates = <0>, <0>, <0>, <0>, <24576000>;
};
&ecspi1 {
diff --git a/arch/arm/boot/dts/omap4-duovero-parlor.dts b/arch/arm/boot/dts/omap4-duovero-parlor.dts
index 1a78f013f37a..b75f7b2b7c4a 100644
--- a/arch/arm/boot/dts/omap4-duovero-parlor.dts
+++ b/arch/arm/boot/dts/omap4-duovero-parlor.dts
@@ -189,3 +189,7 @@
};
};
+&uart3 {
+ interrupts-extended = <&wakeupgen GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH
+ &omap4_pmx_core OMAP4_UART3_RX>;
+};
diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index 314f59c12162..d0c743853318 100644
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -25,9 +25,9 @@
cache-sets = <512>;
cache-line-size = <32>;
/* At full speed latency must be >=2 */
- arm,tag-latency = <2>;
- arm,data-latency = <2 2>;
- arm,dirty-latency = <2>;
+ arm,tag-latency = <8>;
+ arm,data-latency = <8 8>;
+ arm,dirty-latency = <8>;
};
mtu0: mtu@101e2000 {
diff --git a/arch/arm/boot/dts/sun6i-a31s-primo81.dts b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
index 2d4250b1faf8..68b479b8772c 100644
--- a/arch/arm/boot/dts/sun6i-a31s-primo81.dts
+++ b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
@@ -83,6 +83,7 @@
reg = <0x5d>;
interrupt-parent = <&pio>;
interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
+ touchscreen-swapped-x-y;
};
};
diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi
index 40c23a0b7cfc..ec1aa64ded68 100644
--- a/arch/arm/boot/dts/tegra124-nyan.dtsi
+++ b/arch/arm/boot/dts/tegra124-nyan.dtsi
@@ -399,7 +399,7 @@
/* CPU DFLL clock */
clock@0,70110000 {
- status = "okay";
+ status = "disabled";
vdd-cpu-supply = <&vdd_cpu>;
nvidia,i2c-fs-rate = <400000>;
};
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
index 01f40197ea13..3279bf1a17a1 100644
--- a/arch/arm/boot/dts/versatile-ab.dts
+++ b/arch/arm/boot/dts/versatile-ab.dts
@@ -110,7 +110,11 @@
interrupt-parent = <&vic>;
interrupts = <31>; /* Cascaded to vic */
clear-mask = <0xffffffff>;
- valid-mask = <0xffc203f8>;
+ /*
+ * Valid interrupt lines mask according to
+ * table 4-36 page 4-50 of ARM DUI 0225D
+ */
+ valid-mask = <0x0760031b>;
};
dma@10130000 {
@@ -266,8 +270,8 @@
};
mmc@5000 {
compatible = "arm,pl180", "arm,primecell";
- reg = < 0x5000 0x1000>;
- interrupts-extended = <&vic 22 &sic 2>;
+ reg = <0x5000 0x1000>;
+ interrupts-extended = <&vic 22 &sic 1>;
clocks = <&xtal24mhz>, <&pclk>;
clock-names = "mclk", "apb_pclk";
};
diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts
index b83137f66034..33a8eb28374e 100644
--- a/arch/arm/boot/dts/versatile-pb.dts
+++ b/arch/arm/boot/dts/versatile-pb.dts
@@ -5,6 +5,16 @@
compatible = "arm,versatile-pb";
amba {
+ /* The Versatile PB is using more SIC IRQ lines than the AB */
+ sic: intc@10003000 {
+ clear-mask = <0xffffffff>;
+ /*
+ * Valid interrupt lines mask according to
+ * figure 3-30 page 3-74 of ARM DUI 0224B
+ */
+ valid-mask = <0x7fe003ff>;
+ };
+
gpio2: gpio@101e6000 {
compatible = "arm,pl061", "arm,primecell";
reg = <0x101e6000 0x1000>;
@@ -67,6 +77,13 @@
};
fpga {
+ mmc@5000 {
+ /*
+ * Overrides the interrupt assignment from
+ * the Versatile AB board file.
+ */
+ interrupts-extended = <&sic 22 &sic 23>;
+ };
uart@9000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x9000 0x1000>;
@@ -86,7 +103,8 @@
mmc@b000 {
compatible = "arm,pl180", "arm,primecell";
reg = <0xb000 0x1000>;
- interrupts-extended = <&vic 23 &sic 2>;
+ interrupt-parent = <&sic>;
+ interrupts = <1>, <2>;
clocks = <&xtal24mhz>, <&pclk>;
clock-names = "mclk", "apb_pclk";
};
diff --git a/arch/arm/boot/dts/wm8650.dtsi b/arch/arm/boot/dts/wm8650.dtsi
index b1c59a766a13..e12213d16693 100644
--- a/arch/arm/boot/dts/wm8650.dtsi
+++ b/arch/arm/boot/dts/wm8650.dtsi
@@ -187,6 +187,15 @@
interrupts = <43>;
};
+ sdhc@d800a000 {
+ compatible = "wm,wm8505-sdhc";
+ reg = <0xd800a000 0x400>;
+ interrupts = <20>, <21>;
+ clocks = <&clksdhc>;
+ bus-width = <4>;
+ sdon-inverted;
+ };
+
fb: fb@d8050800 {
compatible = "wm,wm8505-fb";
reg = <0xd8050800 0x200>;
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 69a22fdb52a5..cd7b198fc79e 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -366,6 +366,7 @@ CONFIG_BATTERY_MAX17042=m
CONFIG_CHARGER_MAX14577=m
CONFIG_CHARGER_MAX77693=m
CONFIG_CHARGER_TPS65090=y
+CONFIG_AXP20X_POWER=m
CONFIG_POWER_RESET_AS3722=y
CONFIG_POWER_RESET_GPIO=y
CONFIG_POWER_RESET_GPIO_RESTART=y
diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig
index 3c36e16fcacf..b503a89441bf 100644
--- a/arch/arm/configs/sunxi_defconfig
+++ b/arch/arm/configs/sunxi_defconfig
@@ -84,6 +84,7 @@ CONFIG_SPI_SUN4I=y
CONFIG_SPI_SUN6I=y
CONFIG_GPIO_SYSFS=y
CONFIG_POWER_SUPPLY=y
+CONFIG_AXP20X_POWER=y
CONFIG_THERMAL=y
CONFIG_CPU_THERMAL=y
CONFIG_WATCHDOG=y
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 8cc85a4ebec2..35c9db857ebe 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -510,10 +510,14 @@ __copy_to_user_std(void __user *to, const void *from, unsigned long n);
static inline unsigned long __must_check
__copy_to_user(void __user *to, const void *from, unsigned long n)
{
+#ifndef CONFIG_UACCESS_WITH_MEMCPY
unsigned int __ua_flags = uaccess_save_and_enable();
n = arm_copy_to_user(to, from, n);
uaccess_restore(__ua_flags);
return n;
+#else
+ return arm_copy_to_user(to, from, n);
+#endif
}
extern unsigned long __must_check
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 7a7c4cea5523..4adfb46e3ee9 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -95,6 +95,22 @@ void __show_regs(struct pt_regs *regs)
{
unsigned long flags;
char buf[64];
+#ifndef CONFIG_CPU_V7M
+ unsigned int domain;
+#ifdef CONFIG_CPU_SW_DOMAIN_PAN
+ /*
+ * Get the domain register for the parent context. In user
+ * mode, we don't save the DACR, so lets use what it should
+ * be. For other modes, we place it after the pt_regs struct.
+ */
+ if (user_mode(regs))
+ domain = DACR_UACCESS_ENABLE;
+ else
+ domain = *(unsigned int *)(regs + 1);
+#else
+ domain = get_domain();
+#endif
+#endif
show_regs_print_info(KERN_DEFAULT);
@@ -123,21 +139,8 @@ void __show_regs(struct pt_regs *regs)
#ifndef CONFIG_CPU_V7M
{
- unsigned int domain = get_domain();
const char *segment;
-#ifdef CONFIG_CPU_SW_DOMAIN_PAN
- /*
- * Get the domain register for the parent context. In user
- * mode, we don't save the DACR, so lets use what it should
- * be. For other modes, we place it after the pt_regs struct.
- */
- if (user_mode(regs))
- domain = DACR_UACCESS_ENABLE;
- else
- domain = *(unsigned int *)(regs + 1);
-#endif
-
if ((domain & domain_mask(DOMAIN_USER)) ==
domain_val(DOMAIN_USER, DOMAIN_NOACCESS))
segment = "none";
@@ -163,11 +166,11 @@ void __show_regs(struct pt_regs *regs)
buf[0] = '\0';
#ifdef CONFIG_CPU_CP15_MMU
{
- unsigned int transbase, dac = get_domain();
+ unsigned int transbase;
asm("mrc p15, 0, %0, c2, c0\n\t"
: "=r" (transbase));
snprintf(buf, sizeof(buf), " Table: %08x DAC: %08x",
- transbase, dac);
+ transbase, domain);
}
#endif
asm("mrc p15, 0, %0, c1, c0\n" : "=r" (ctrl));
diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c
index 5b26e7efa9ea..c3fe769d7558 100644
--- a/arch/arm/kernel/swp_emulate.c
+++ b/arch/arm/kernel/swp_emulate.c
@@ -36,10 +36,10 @@
*/
#define __user_swpX_asm(data, addr, res, temp, B) \
__asm__ __volatile__( \
- " mov %2, %1\n" \
- "0: ldrex"B" %1, [%3]\n" \
- "1: strex"B" %0, %2, [%3]\n" \
+ "0: ldrex"B" %2, [%3]\n" \
+ "1: strex"B" %0, %1, [%3]\n" \
" cmp %0, #0\n" \
+ " moveq %1, %2\n" \
" movne %0, %4\n" \
"2:\n" \
" .section .text.fixup,\"ax\"\n" \
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index b83f3b7737fb..087acb569b63 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -193,15 +193,44 @@ struct oabi_flock64 {
pid_t l_pid;
} __attribute__ ((packed,aligned(4)));
-asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+static long do_locks(unsigned int fd, unsigned int cmd,
unsigned long arg)
{
- struct oabi_flock64 user;
struct flock64 kernel;
- mm_segment_t fs = USER_DS; /* initialized to kill a warning */
- unsigned long local_arg = arg;
- int ret;
+ struct oabi_flock64 user;
+ mm_segment_t fs;
+ long ret;
+
+ if (copy_from_user(&user, (struct oabi_flock64 __user *)arg,
+ sizeof(user)))
+ return -EFAULT;
+ kernel.l_type = user.l_type;
+ kernel.l_whence = user.l_whence;
+ kernel.l_start = user.l_start;
+ kernel.l_len = user.l_len;
+ kernel.l_pid = user.l_pid;
+
+ fs = get_fs();
+ set_fs(KERNEL_DS);
+ ret = sys_fcntl64(fd, cmd, (unsigned long)&kernel);
+ set_fs(fs);
+
+ if (!ret && (cmd == F_GETLK64 || cmd == F_OFD_GETLK)) {
+ user.l_type = kernel.l_type;
+ user.l_whence = kernel.l_whence;
+ user.l_start = kernel.l_start;
+ user.l_len = kernel.l_len;
+ user.l_pid = kernel.l_pid;
+ if (copy_to_user((struct oabi_flock64 __user *)arg,
+ &user, sizeof(user)))
+ ret = -EFAULT;
+ }
+ return ret;
+}
+asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
+ unsigned long arg)
+{
switch (cmd) {
case F_OFD_GETLK:
case F_OFD_SETLK:
@@ -209,39 +238,11 @@ asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
case F_GETLK64:
case F_SETLK64:
case F_SETLKW64:
- if (copy_from_user(&user, (struct oabi_flock64 __user *)arg,
- sizeof(user)))
- return -EFAULT;
- kernel.l_type = user.l_type;
- kernel.l_whence = user.l_whence;
- kernel.l_start = user.l_start;
- kernel.l_len = user.l_len;
- kernel.l_pid = user.l_pid;
- local_arg = (unsigned long)&kernel;
- fs = get_fs();
- set_fs(KERNEL_DS);
- }
-
- ret = sys_fcntl64(fd, cmd, local_arg);
+ return do_locks(fd, cmd, arg);
- switch (cmd) {
- case F_GETLK64:
- if (!ret) {
- user.l_type = kernel.l_type;
- user.l_whence = kernel.l_whence;
- user.l_start = kernel.l_start;
- user.l_len = kernel.l_len;
- user.l_pid = kernel.l_pid;
- if (copy_to_user((struct oabi_flock64 __user *)arg,
- &user, sizeof(user)))
- ret = -EFAULT;
- }
- case F_SETLK64:
- case F_SETLKW64:
- set_fs(fs);
+ default:
+ return sys_fcntl64(fd, cmd, arg);
}
-
- return ret;
}
struct oabi_epoll_event {
diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c
index d72b90905132..588bbc288396 100644
--- a/arch/arm/lib/uaccess_with_memcpy.c
+++ b/arch/arm/lib/uaccess_with_memcpy.c
@@ -88,6 +88,7 @@ pin_page_for_write(const void __user *_addr, pte_t **ptep, spinlock_t **ptlp)
static unsigned long noinline
__copy_to_user_memcpy(void __user *to, const void *from, unsigned long n)
{
+ unsigned long ua_flags;
int atomic;
if (unlikely(segment_eq(get_fs(), KERNEL_DS))) {
@@ -118,7 +119,9 @@ __copy_to_user_memcpy(void __user *to, const void *from, unsigned long n)
if (tocopy > n)
tocopy = n;
+ ua_flags = uaccess_save_and_enable();
memcpy((void *)to, from, tocopy);
+ uaccess_restore(ua_flags);
to += tocopy;
from += tocopy;
n -= tocopy;
@@ -145,14 +148,21 @@ arm_copy_to_user(void __user *to, const void *from, unsigned long n)
* With frame pointer disabled, tail call optimization kicks in
* as well making this test almost invisible.
*/
- if (n < 64)
- return __copy_to_user_std(to, from, n);
- return __copy_to_user_memcpy(to, from, n);
+ if (n < 64) {
+ unsigned long ua_flags = uaccess_save_and_enable();
+ n = __copy_to_user_std(to, from, n);
+ uaccess_restore(ua_flags);
+ } else {
+ n = __copy_to_user_memcpy(to, from, n);
+ }
+ return n;
}
static unsigned long noinline
__clear_user_memset(void __user *addr, unsigned long n)
{
+ unsigned long ua_flags;
+
if (unlikely(segment_eq(get_fs(), KERNEL_DS))) {
memset((void *)addr, 0, n);
return 0;
@@ -175,7 +185,9 @@ __clear_user_memset(void __user *addr, unsigned long n)
if (tocopy > n)
tocopy = n;
+ ua_flags = uaccess_save_and_enable();
memset((void *)addr, 0, tocopy);
+ uaccess_restore(ua_flags);
addr += tocopy;
n -= tocopy;
@@ -193,9 +205,14 @@ out:
unsigned long arm_clear_user(void __user *addr, unsigned long n)
{
/* See rational for this in __copy_to_user() above. */
- if (n < 64)
- return __clear_user_std(addr, n);
- return __clear_user_memset(addr, n);
+ if (n < 64) {
+ unsigned long ua_flags = uaccess_save_and_enable();
+ n = __clear_user_std(addr, n);
+ uaccess_restore(ua_flags);
+ } else {
+ n = __clear_user_memset(addr, n);
+ }
+ return n;
}
#if 0
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 4b4371db5799..0517f0c1581a 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -65,6 +65,8 @@ config SOC_AM43XX
select MACH_OMAP_GENERIC
select MIGHT_HAVE_CACHE_L2X0
select HAVE_ARM_SCU
+ select GENERIC_CLOCKEVENTS_BROADCAST
+ select HAVE_ARM_TWD
config SOC_DRA7XX
bool "TI DRA7XX"
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 17a6f752a436..7b76ce01c21d 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -149,8 +149,8 @@ static int omap2_onenand_get_freq(struct omap_onenand_platform_data *cfg,
freq = 104;
break;
default:
- freq = 54;
- break;
+ pr_err("onenand rate not detected, bad GPMC async timings?\n");
+ freq = 0;
}
return freq;
@@ -271,6 +271,11 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base)
struct gpmc_timings t;
int ret;
+ /*
+ * Note that we need to keep sync_write set for the call to
+ * omap2_onenand_set_async_mode() to work to detect the onenand
+ * supported clock rate for the sync timings.
+ */
if (gpmc_onenand_data->of_node) {
gpmc_read_settings_dt(gpmc_onenand_data->of_node,
&onenand_async);
@@ -281,12 +286,9 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base)
else
gpmc_onenand_data->flags |= ONENAND_SYNC_READ;
onenand_async.sync_read = false;
- onenand_async.sync_write = false;
}
}
- omap2_onenand_set_async_mode(onenand_base);
-
omap2_onenand_calc_async_timings(&t);
ret = gpmc_cs_program_settings(gpmc_onenand_data->cs, &onenand_async);
@@ -310,6 +312,8 @@ static int omap2_onenand_setup_sync(void __iomem *onenand_base, int *freq_ptr)
if (!freq) {
/* Very first call freq is not known */
freq = omap2_onenand_get_freq(gpmc_onenand_data, onenand_base);
+ if (!freq)
+ return -ENODEV;
set_onenand_cfg(onenand_base);
}
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index b18ebbefae09..f86692dbcfd5 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -320,6 +320,12 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
return r;
}
+#if !defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
+void tick_broadcast(const struct cpumask *mask)
+{
+}
+#endif
+
static void __init omap2_gp_clockevent_init(int gptimer_id,
const char *fck_source,
const char *property)
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index 36571a9a44fe..82689ac20ccf 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -18,12 +18,13 @@
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/property.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
#include <linux/smsc911x.h>
#include <linux/input.h>
-#include <linux/rotary_encoder.h>
#include <linux/gpio_keys.h>
#include <linux/input/eeti_ts.h>
#include <linux/leds.h>
@@ -366,22 +367,38 @@ static struct pxaohci_platform_data raumfeld_ohci_info = {
* Rotary encoder input device
*/
-static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
- .steps = 24,
- .axis = REL_X,
- .relative_axis = 1,
- .gpio_a = GPIO_VOLENC_A,
- .gpio_b = GPIO_VOLENC_B,
- .inverted_a = 1,
- .inverted_b = 0,
+static struct gpiod_lookup_table raumfeld_rotary_gpios_table = {
+ .dev_id = "rotary-encoder.0",
+ .table = {
+ GPIO_LOOKUP_IDX("gpio-0",
+ GPIO_VOLENC_A, NULL, 0, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-0",
+ GPIO_VOLENC_B, NULL, 1, GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static u32 raumfeld_rotary_encoder_steps = 24;
+static u32 raumfeld_rotary_encoder_axis = REL_X;
+static u32 raumfeld_rotary_encoder_relative_axis = 1;
+
+static struct property_entry raumfeld_rotary_properties[] = {
+ { "rotary-encoder,steps-per-period",
+ DEV_PROP_U32, 1, &raumfeld_rotary_encoder_steps, },
+ { "linux,axis",
+ DEV_PROP_U32, 1, &raumfeld_rotary_encoder_axis, },
+ { "rotary-encoder,relative_axis",
+ DEV_PROP_U32, 1, &raumfeld_rotary_encoder_relative_axis, },
+ { NULL }
+};
+
+static struct property_set raumfeld_rotary_property_set = {
+ .properties = raumfeld_rotary_properties,
};
static struct platform_device rotary_encoder_device = {
.name = "rotary-encoder",
.id = 0,
- .dev = {
- .platform_data = &raumfeld_rotary_encoder_info,
- }
};
/**
@@ -1051,7 +1068,12 @@ static void __init raumfeld_controller_init(void)
int ret;
pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
+
+ gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
+ device_add_property_set(&rotary_encoder_device.dev,
+ &raumfeld_rotary_property_set);
platform_device_register(&rotary_encoder_device);
+
spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
@@ -1086,6 +1108,10 @@ static void __init raumfeld_speaker_init(void)
i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
platform_device_register(&smc91x_device);
+
+ gpiod_add_lookup_table(&raumfeld_rotary_gpios_table);
+ device_add_property_set(&rotary_encoder_device.dev,
+ &raumfeld_rotary_property_set);
platform_device_register(&rotary_encoder_device);
raumfeld_audio_init();
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 845769e41332..c8c8b9ed02e0 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -165,13 +165,28 @@ static void flush_context(unsigned int cpu)
__flush_icache_all();
}
-static int is_reserved_asid(u64 asid)
+static bool check_update_reserved_asid(u64 asid, u64 newasid)
{
int cpu;
- for_each_possible_cpu(cpu)
- if (per_cpu(reserved_asids, cpu) == asid)
- return 1;
- return 0;
+ bool hit = false;
+
+ /*
+ * Iterate over the set of reserved ASIDs looking for a match.
+ * If we find one, then we can update our mm to use newasid
+ * (i.e. the same ASID in the current generation) but we can't
+ * exit the loop early, since we need to ensure that all copies
+ * of the old ASID are updated to reflect the mm. Failure to do
+ * so could result in us missing the reserved ASID in a future
+ * generation.
+ */
+ for_each_possible_cpu(cpu) {
+ if (per_cpu(reserved_asids, cpu) == asid) {
+ hit = true;
+ per_cpu(reserved_asids, cpu) = newasid;
+ }
+ }
+
+ return hit;
}
static u64 new_context(struct mm_struct *mm, unsigned int cpu)
@@ -181,12 +196,14 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
u64 generation = atomic64_read(&asid_generation);
if (asid != 0) {
+ u64 newasid = generation | (asid & ~ASID_MASK);
+
/*
* If our current ASID was active during a rollover, we
* can continue to use it and this was just a false alarm.
*/
- if (is_reserved_asid(asid))
- return generation | (asid & ~ASID_MASK);
+ if (check_update_reserved_asid(asid, newasid))
+ return newasid;
/*
* We had a valid ASID in a previous life, so try to re-use
@@ -194,7 +211,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
*/
asid &= ~ASID_MASK;
if (!__test_and_set_bit(asid, asid_map))
- goto bump_gen;
+ return newasid;
}
/*
@@ -216,11 +233,8 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
__set_bit(asid, asid_map);
cur_idx = asid;
-
-bump_gen:
- asid |= generation;
cpumask_clear(mm_cpumask(mm));
- return asid;
+ return asid | generation;
}
void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index e62400e5fb99..534a60ae282e 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1521,7 +1521,7 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg,
return -ENOMEM;
for (count = 0, s = sg; count < (size >> PAGE_SHIFT); s = sg_next(s)) {
- phys_addr_t phys = sg_phys(s) & PAGE_MASK;
+ phys_addr_t phys = page_to_phys(sg_page(s));
unsigned int len = PAGE_ALIGN(s->offset + s->length);
if (!is_coherent &&
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 8a63b4cdc0f2..7f8cd1b3557f 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -22,6 +22,7 @@
#include <linux/memblock.h>
#include <linux/dma-contiguous.h>
#include <linux/sizes.h>
+#include <linux/stop_machine.h>
#include <asm/cp15.h>
#include <asm/mach-types.h>
@@ -627,12 +628,10 @@ static struct section_perm ro_perms[] = {
* safe to be called with preemption disabled, as under stop_machine().
*/
static inline void section_update(unsigned long addr, pmdval_t mask,
- pmdval_t prot)
+ pmdval_t prot, struct mm_struct *mm)
{
- struct mm_struct *mm;
pmd_t *pmd;
- mm = current->active_mm;
pmd = pmd_offset(pud_offset(pgd_offset(mm, addr), addr), addr);
#ifdef CONFIG_ARM_LPAE
@@ -656,49 +655,82 @@ static inline bool arch_has_strict_perms(void)
return !!(get_cr() & CR_XP);
}
-#define set_section_perms(perms, field) { \
- size_t i; \
- unsigned long addr; \
- \
- if (!arch_has_strict_perms()) \
- return; \
- \
- for (i = 0; i < ARRAY_SIZE(perms); i++) { \
- if (!IS_ALIGNED(perms[i].start, SECTION_SIZE) || \
- !IS_ALIGNED(perms[i].end, SECTION_SIZE)) { \
- pr_err("BUG: section %lx-%lx not aligned to %lx\n", \
- perms[i].start, perms[i].end, \
- SECTION_SIZE); \
- continue; \
- } \
- \
- for (addr = perms[i].start; \
- addr < perms[i].end; \
- addr += SECTION_SIZE) \
- section_update(addr, perms[i].mask, \
- perms[i].field); \
- } \
+void set_section_perms(struct section_perm *perms, int n, bool set,
+ struct mm_struct *mm)
+{
+ size_t i;
+ unsigned long addr;
+
+ if (!arch_has_strict_perms())
+ return;
+
+ for (i = 0; i < n; i++) {
+ if (!IS_ALIGNED(perms[i].start, SECTION_SIZE) ||
+ !IS_ALIGNED(perms[i].end, SECTION_SIZE)) {
+ pr_err("BUG: section %lx-%lx not aligned to %lx\n",
+ perms[i].start, perms[i].end,
+ SECTION_SIZE);
+ continue;
+ }
+
+ for (addr = perms[i].start;
+ addr < perms[i].end;
+ addr += SECTION_SIZE)
+ section_update(addr, perms[i].mask,
+ set ? perms[i].prot : perms[i].clear, mm);
+ }
+
}
-static inline void fix_kernmem_perms(void)
+static void update_sections_early(struct section_perm perms[], int n)
{
- set_section_perms(nx_perms, prot);
+ struct task_struct *t, *s;
+
+ read_lock(&tasklist_lock);
+ for_each_process(t) {
+ if (t->flags & PF_KTHREAD)
+ continue;
+ for_each_thread(t, s)
+ set_section_perms(perms, n, true, s->mm);
+ }
+ read_unlock(&tasklist_lock);
+ set_section_perms(perms, n, true, current->active_mm);
+ set_section_perms(perms, n, true, &init_mm);
+}
+
+int __fix_kernmem_perms(void *unused)
+{
+ update_sections_early(nx_perms, ARRAY_SIZE(nx_perms));
+ return 0;
+}
+
+void fix_kernmem_perms(void)
+{
+ stop_machine(__fix_kernmem_perms, NULL, NULL);
}
#ifdef CONFIG_DEBUG_RODATA
+int __mark_rodata_ro(void *unused)
+{
+ update_sections_early(ro_perms, ARRAY_SIZE(ro_perms));
+ return 0;
+}
+
void mark_rodata_ro(void)
{
- set_section_perms(ro_perms, prot);
+ stop_machine(__mark_rodata_ro, NULL, NULL);
}
void set_kernel_text_rw(void)
{
- set_section_perms(ro_perms, clear);
+ set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), false,
+ current->active_mm);
}
void set_kernel_text_ro(void)
{
- set_section_perms(ro_perms, prot);
+ set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), true,
+ current->active_mm);
}
#endif /* CONFIG_DEBUG_RODATA */
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index de2b246fed38..8e1ea433c3f1 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -95,7 +95,7 @@ ENDPROC(cpu_v7_dcache_clean_area)
.equ cpu_v7_suspend_size, 4 * 9
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_v7_do_suspend)
- stmfd sp!, {r4 - r10, lr}
+ stmfd sp!, {r4 - r11, lr}
mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID
mrc p15, 0, r5, c13, c0, 3 @ User r/o thread ID
stmia r0!, {r4 - r5}
@@ -112,7 +112,7 @@ ENTRY(cpu_v7_do_suspend)
mrc p15, 0, r9, c1, c0, 1 @ Auxiliary control register
mrc p15, 0, r10, c1, c0, 2 @ Co-processor access control
stmia r0, {r5 - r11}
- ldmfd sp!, {r4 - r10, pc}
+ ldmfd sp!, {r4 - r11, pc}
ENDPROC(cpu_v7_do_suspend)
ENTRY(cpu_v7_do_resume)
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 591f9db3bf40..93d0b6d0b63e 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -187,19 +187,6 @@ static inline int mem_words_used(struct jit_ctx *ctx)
return fls(ctx->seen & SEEN_MEM);
}
-static inline bool is_load_to_a(u16 inst)
-{
- switch (inst) {
- case BPF_LD | BPF_W | BPF_LEN:
- case BPF_LD | BPF_W | BPF_ABS:
- case BPF_LD | BPF_H | BPF_ABS:
- case BPF_LD | BPF_B | BPF_ABS:
- return true;
- default:
- return false;
- }
-}
-
static void jit_fill_hole(void *area, unsigned int size)
{
u32 *ptr;
@@ -211,7 +198,6 @@ static void jit_fill_hole(void *area, unsigned int size)
static void build_prologue(struct jit_ctx *ctx)
{
u16 reg_set = saved_regs(ctx);
- u16 first_inst = ctx->skf->insns[0].code;
u16 off;
#ifdef CONFIG_FRAME_POINTER
@@ -241,7 +227,7 @@ static void build_prologue(struct jit_ctx *ctx)
emit(ARM_MOV_I(r_X, 0), ctx);
/* do not leak kernel data to userspace */
- if ((first_inst != (BPF_RET | BPF_K)) && !(is_load_to_a(first_inst)))
+ if (bpf_needs_clear_a(&ctx->skf->insns[0]))
emit(ARM_MOV_I(r_A, 0), ctx);
/* stack space for the BPF_MEM words */
@@ -770,7 +756,8 @@ load_ind:
case BPF_ALU | BPF_RSH | BPF_K:
if (unlikely(k > 31))
return -1;
- emit(ARM_LSR_I(r_A, r_A, k), ctx);
+ if (k)
+ emit(ARM_LSR_I(r_A, r_A, k), ctx);
break;
case BPF_ALU | BPF_RSH | BPF_X:
update_on_xread(ctx);
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index db73390568c8..74c132d901bd 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -11,7 +11,7 @@
-#define NR_syscalls 322 /* length of syscall table */
+#define NR_syscalls 323 /* length of syscall table */
/*
* The following defines stop scripts/checksyscalls.sh from complaining about
diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
index 9038726e7d26..762edce7572e 100644
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -335,5 +335,6 @@
#define __NR_userfaultfd 1343
#define __NR_membarrier 1344
#define __NR_kcmp 1345
+#define __NR_mlock2 1346
#endif /* _UAPI_ASM_IA64_UNISTD_H */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index dcd97f84d065..534a74acb849 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1771,5 +1771,6 @@ sys_call_table:
data8 sys_userfaultfd
data8 sys_membarrier
data8 sys_kcmp // 1345
+ data8 sys_mlock2
.org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls
diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild
index fd104bd221ce..860e440611c9 100644
--- a/arch/m32r/include/asm/Kbuild
+++ b/arch/m32r/include/asm/Kbuild
@@ -3,6 +3,7 @@ generic-y += clkdev.h
generic-y += cputime.h
generic-y += exec.h
generic-y += irq_work.h
+generic-y += kvm_para.h
generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
generic-y += module.h
diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h
index 61b8931bc192..4b0f5e001d4d 100644
--- a/arch/m32r/include/asm/io.h
+++ b/arch/m32r/include/asm/io.h
@@ -168,13 +168,21 @@ static inline void _writel(unsigned long l, unsigned long addr)
#define writew_relaxed writew
#define writel_relaxed writel
-#define ioread8 read
+#define ioread8 readb
#define ioread16 readw
#define ioread32 readl
#define iowrite8 writeb
#define iowrite16 writew
#define iowrite32 writel
+#define ioread8_rep(p, dst, count) insb((unsigned long)(p), (dst), (count))
+#define ioread16_rep(p, dst, count) insw((unsigned long)(p), (dst), (count))
+#define ioread32_rep(p, dst, count) insl((unsigned long)(p), (dst), (count))
+
+#define iowrite8_rep(p, src, count) outsb((unsigned long)(p), (src), (count))
+#define iowrite16_rep(p, src, count) outsw((unsigned long)(p), (src), (count))
+#define iowrite32_rep(p, src, count) outsl((unsigned long)(p), (src), (count))
+
#define ioread16be(addr) be16_to_cpu(readw(addr))
#define ioread32be(addr) be32_to_cpu(readl(addr))
#define iowrite16be(v, addr) writew(cpu_to_be16(v), (addr))
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index c89da6312954..bf4dec229437 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -61,7 +61,8 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
/* FIXME this part of code is untested */
for_each_sg(sgl, sg, nents, i) {
sg->dma_address = sg_phys(sg);
- __dma_sync(sg_phys(sg), sg->length, direction);
+ __dma_sync(page_to_phys(sg_page(sg)) + sg->offset,
+ sg->length, direction);
}
return nents;
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index 5305d694ffe5..095ecafe6bd3 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -599,7 +599,7 @@ extern void __put_user_unknown(void);
* On error, the variable @x is set to zero.
*/
#define __get_user_unaligned(x,ptr) \
- __get_user__unalignednocheck((x),(ptr),sizeof(*(ptr)))
+ __get_user_unaligned_nocheck((x),(ptr),sizeof(*(ptr)))
/*
* Yuck. We need two variants, one for 64bit operation and one
@@ -620,8 +620,8 @@ extern void __get_user_unaligned_unknown(void);
do { \
switch (size) { \
case 1: __get_data_asm(val, "lb", ptr); break; \
- case 2: __get_user_unaligned_asm(val, "ulh", ptr); break; \
- case 4: __get_user_unaligned_asm(val, "ulw", ptr); break; \
+ case 2: __get_data_unaligned_asm(val, "ulh", ptr); break; \
+ case 4: __get_data_unaligned_asm(val, "ulw", ptr); break; \
case 8: __GET_USER_UNALIGNED_DW(val, ptr); break; \
default: __get_user_unaligned_unknown(); break; \
} \
@@ -1122,9 +1122,15 @@ extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n);
__cu_to = (to); \
__cu_from = (from); \
__cu_len = (n); \
- might_fault(); \
- __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \
- __cu_len); \
+ if (eva_kernel_access()) { \
+ __cu_len = __invoke_copy_from_kernel(__cu_to, \
+ __cu_from, \
+ __cu_len); \
+ } else { \
+ might_fault(); \
+ __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \
+ __cu_len); \
+ } \
__cu_len; \
})
@@ -1229,16 +1235,28 @@ __clear_user(void __user *addr, __kernel_size_t size)
{
__kernel_size_t res;
- might_fault();
- __asm__ __volatile__(
- "move\t$4, %1\n\t"
- "move\t$5, $0\n\t"
- "move\t$6, %2\n\t"
- __MODULE_JAL(__bzero)
- "move\t%0, $6"
- : "=r" (res)
- : "r" (addr), "r" (size)
- : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31");
+ if (eva_kernel_access()) {
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, $0\n\t"
+ "move\t$6, %2\n\t"
+ __MODULE_JAL(__bzero_kernel)
+ "move\t%0, $6"
+ : "=r" (res)
+ : "r" (addr), "r" (size)
+ : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31");
+ } else {
+ might_fault();
+ __asm__ __volatile__(
+ "move\t$4, %1\n\t"
+ "move\t$5, $0\n\t"
+ "move\t$6, %2\n\t"
+ __MODULE_JAL(__bzero)
+ "move\t%0, $6"
+ : "=r" (res)
+ : "r" (addr), "r" (size)
+ : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31");
+ }
return res;
}
@@ -1384,7 +1402,7 @@ static inline long strlen_user(const char __user *s)
might_fault();
__asm__ __volatile__(
"move\t$4, %1\n\t"
- __MODULE_JAL(__strlen_kernel_asm)
+ __MODULE_JAL(__strlen_user_asm)
"move\t%0, $2"
: "=r" (res)
: "r" (s)
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index 8fd5a276cad2..ac81edd44563 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -257,7 +257,6 @@ LEAF(mips_cps_core_init)
has_mt t0, 3f
.set push
- .set mips64r2
.set mt
/* Only allow 1 TC per VPE to execute... */
@@ -376,7 +375,6 @@ LEAF(mips_cps_boot_vpes)
nop
.set push
- .set mips64r2
.set mt
1: /* Enter VPE configuration state */
diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c
index 291af0b5c482..e2b6ab74643d 100644
--- a/arch/mips/kernel/mips_ksyms.c
+++ b/arch/mips/kernel/mips_ksyms.c
@@ -17,6 +17,7 @@
#include <asm/fpu.h>
#include <asm/msa.h>
+extern void *__bzero_kernel(void *__s, size_t __count);
extern void *__bzero(void *__s, size_t __count);
extern long __strncpy_from_kernel_nocheck_asm(char *__to,
const char *__from, long __len);
@@ -64,6 +65,7 @@ EXPORT_SYMBOL(__copy_from_user_eva);
EXPORT_SYMBOL(__copy_in_user_eva);
EXPORT_SYMBOL(__copy_to_user_eva);
EXPORT_SYMBOL(__copy_user_inatomic_eva);
+EXPORT_SYMBOL(__bzero_kernel);
#endif
EXPORT_SYMBOL(__bzero);
EXPORT_SYMBOL(__strncpy_from_kernel_nocheck_asm);
diff --git a/arch/mips/lib/memset.S b/arch/mips/lib/memset.S
index b8e63fd00375..8f0019a2e5c8 100644
--- a/arch/mips/lib/memset.S
+++ b/arch/mips/lib/memset.S
@@ -283,6 +283,8 @@ LEAF(memset)
1:
#ifndef CONFIG_EVA
FEXPORT(__bzero)
+#else
+FEXPORT(__bzero_kernel)
#endif
__BUILD_BZERO LEGACY_MODE
diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c
index 77cb27309db2..1a8c96035716 100644
--- a/arch/mips/net/bpf_jit.c
+++ b/arch/mips/net/bpf_jit.c
@@ -521,19 +521,6 @@ static inline u16 align_sp(unsigned int num)
return num;
}
-static bool is_load_to_a(u16 inst)
-{
- switch (inst) {
- case BPF_LD | BPF_W | BPF_LEN:
- case BPF_LD | BPF_W | BPF_ABS:
- case BPF_LD | BPF_H | BPF_ABS:
- case BPF_LD | BPF_B | BPF_ABS:
- return true;
- default:
- return false;
- }
-}
-
static void save_bpf_jit_regs(struct jit_ctx *ctx, unsigned offset)
{
int i = 0, real_off = 0;
@@ -614,7 +601,6 @@ static unsigned int get_stack_depth(struct jit_ctx *ctx)
static void build_prologue(struct jit_ctx *ctx)
{
- u16 first_inst = ctx->skf->insns[0].code;
int sp_off;
/* Calculate the total offset for the stack pointer */
@@ -641,7 +627,7 @@ static void build_prologue(struct jit_ctx *ctx)
emit_jit_reg_move(r_X, r_zero, ctx);
/* Do not leak kernel data to userspace */
- if ((first_inst != (BPF_RET | BPF_K)) && !(is_load_to_a(first_inst)))
+ if (bpf_needs_clear_a(&ctx->skf->insns[0]))
emit_jit_reg_move(r_A, r_zero, ctx);
}
diff --git a/arch/mips/pci/pci-rt2880.c b/arch/mips/pci/pci-rt2880.c
index dbbeccc3d714..a245cad4372a 100644
--- a/arch/mips/pci/pci-rt2880.c
+++ b/arch/mips/pci/pci-rt2880.c
@@ -221,7 +221,6 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
static int rt288x_pci_probe(struct platform_device *pdev)
{
void __iomem *io_map_base;
- int i;
rt2880_pci_base = ioremap_nocache(RT2880_PCI_BASE, PAGE_SIZE);
diff --git a/arch/mips/pmcs-msp71xx/msp_setup.c b/arch/mips/pmcs-msp71xx/msp_setup.c
index 78b2ef49dbc7..9d293b3e9130 100644
--- a/arch/mips/pmcs-msp71xx/msp_setup.c
+++ b/arch/mips/pmcs-msp71xx/msp_setup.c
@@ -39,7 +39,6 @@ extern void msp_serial_setup(void);
void msp7120_reset(void)
{
void *start, *end, *iptr;
- register int i;
/* Diasble all interrupts */
local_irq_disable();
diff --git a/arch/mips/sni/reset.c b/arch/mips/sni/reset.c
index db8f88b6a3af..6afa34346b81 100644
--- a/arch/mips/sni/reset.c
+++ b/arch/mips/sni/reset.c
@@ -26,7 +26,7 @@ static inline void kb_wait(void)
/* XXX This ends up at the ARC firmware prompt ... */
void sni_machine_restart(char *command)
{
- int i, j;
+ int i;
/* This does a normal via the keyboard controller like a PC.
We can do that easier ... */
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index ef5f348f386a..14568900fc1d 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -26,8 +26,8 @@ aflags-vdso := $(ccflags-vdso) \
# the comments on that file.
#
ifndef CONFIG_CPU_MIPSR6
- ifeq ($(call ld-ifversion, -gt, 22400000, y),)
- $(warning MIPS VDSO requires binutils > 2.24)
+ ifeq ($(call ld-ifversion, -lt, 22500000, y),y)
+ $(warning MIPS VDSO requires binutils >= 2.25)
obj-vdso-y := $(filter-out gettimeofday.o, $(obj-vdso-y))
ccflags-vdso += -DDISABLE_MIPS_VDSO
endif
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index dc1ea796fd60..2264f68f3c2f 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -435,6 +435,55 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs, int in_syscall)
regs->gr[28]);
}
+/*
+ * Check how the syscall number gets loaded into %r20 within
+ * the delay branch in userspace and adjust as needed.
+ */
+
+static void check_syscallno_in_delay_branch(struct pt_regs *regs)
+{
+ u32 opcode, source_reg;
+ u32 __user *uaddr;
+ int err;
+
+ /* Usually we don't have to restore %r20 (the system call number)
+ * because it gets loaded in the delay slot of the branch external
+ * instruction via the ldi instruction.
+ * In some cases a register-to-register copy instruction might have
+ * been used instead, in which case we need to copy the syscall
+ * number into the source register before returning to userspace.
+ */
+
+ /* A syscall is just a branch, so all we have to do is fiddle the
+ * return pointer so that the ble instruction gets executed again.
+ */
+ regs->gr[31] -= 8; /* delayed branching */
+
+ /* Get assembler opcode of code in delay branch */
+ uaddr = (unsigned int *) ((regs->gr[31] & ~3) + 4);
+ err = get_user(opcode, uaddr);
+ if (err)
+ return;
+
+ /* Check if delay branch uses "ldi int,%r20" */
+ if ((opcode & 0xffff0000) == 0x34140000)
+ return; /* everything ok, just return */
+
+ /* Check if delay branch uses "nop" */
+ if (opcode == INSN_NOP)
+ return;
+
+ /* Check if delay branch uses "copy %rX,%r20" */
+ if ((opcode & 0xffe0ffff) == 0x08000254) {
+ source_reg = (opcode >> 16) & 31;
+ regs->gr[source_reg] = regs->gr[20];
+ return;
+ }
+
+ pr_warn("syscall restart: %s (pid %d): unexpected opcode 0x%08x\n",
+ current->comm, task_pid_nr(current), opcode);
+}
+
static inline void
syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
{
@@ -457,10 +506,7 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
}
/* fallthrough */
case -ERESTARTNOINTR:
- /* A syscall is just a branch, so all
- * we have to do is fiddle the return pointer.
- */
- regs->gr[31] -= 8; /* delayed branching */
+ check_syscallno_in_delay_branch(regs);
break;
}
}
@@ -510,15 +556,9 @@ insert_restart_trampoline(struct pt_regs *regs)
}
case -ERESTARTNOHAND:
case -ERESTARTSYS:
- case -ERESTARTNOINTR: {
- /* Hooray for delayed branching. We don't
- * have to restore %r20 (the system call
- * number) because it gets loaded in the delay
- * slot of the branch external instruction.
- */
- regs->gr[31] -= 8;
+ case -ERESTARTNOINTR:
+ check_syscallno_in_delay_branch(regs);
return;
- }
default:
break;
}
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index f2b0b1b0c72a..5654ece02c0d 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -370,16 +370,16 @@ COMPAT_SYS(execveat)
PPC64ONLY(switch_endian)
SYSCALL_SPU(userfaultfd)
SYSCALL_SPU(membarrier)
-SYSCALL(semop)
-SYSCALL(semget)
-COMPAT_SYS(semctl)
-COMPAT_SYS(semtimedop)
-COMPAT_SYS(msgsnd)
-COMPAT_SYS(msgrcv)
-SYSCALL(msgget)
-COMPAT_SYS(msgctl)
-COMPAT_SYS(shmat)
-SYSCALL(shmdt)
-SYSCALL(shmget)
-COMPAT_SYS(shmctl)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
+SYSCALL(ni_syscall)
SYSCALL(mlock2)
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index 1effea5193d6..12a05652377a 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -388,18 +388,6 @@
#define __NR_switch_endian 363
#define __NR_userfaultfd 364
#define __NR_membarrier 365
-#define __NR_semop 366
-#define __NR_semget 367
-#define __NR_semctl 368
-#define __NR_semtimedop 369
-#define __NR_msgsnd 370
-#define __NR_msgrcv 371
-#define __NR_msgget 372
-#define __NR_msgctl 373
-#define __NR_shmat 374
-#define __NR_shmdt 375
-#define __NR_shmget 376
-#define __NR_shmctl 377
#define __NR_mlock2 378
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 54b45b73195f..a7352b59e6f9 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -224,6 +224,12 @@ static void kvmppc_core_vcpu_put_hv(struct kvm_vcpu *vcpu)
static void kvmppc_set_msr_hv(struct kvm_vcpu *vcpu, u64 msr)
{
+ /*
+ * Check for illegal transactional state bit combination
+ * and if we find it, force the TS field to a safe state.
+ */
+ if ((msr & MSR_TS_MASK) == MSR_TS_MASK)
+ msr &= ~MSR_TS_MASK;
vcpu->arch.shregs.msr = msr;
kvmppc_end_cede(vcpu);
}
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 04782164ee67..2d66a8446198 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -78,18 +78,9 @@ static void bpf_jit_build_prologue(struct bpf_prog *fp, u32 *image,
PPC_LI(r_X, 0);
}
- switch (filter[0].code) {
- case BPF_RET | BPF_K:
- case BPF_LD | BPF_W | BPF_LEN:
- case BPF_LD | BPF_W | BPF_ABS:
- case BPF_LD | BPF_H | BPF_ABS:
- case BPF_LD | BPF_B | BPF_ABS:
- /* first instruction sets A register (or is RET 'constant') */
- break;
- default:
- /* make sure we dont leak kernel information to user */
+ /* make sure we dont leak kernel information to user */
+ if (bpf_needs_clear_a(&filter[0]))
PPC_LI(r_A, 0);
- }
}
static void bpf_jit_build_epilogue(u32 *image, struct codegen_context *ctx)
diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c
index 0a00e2aed393..e505223b4ec5 100644
--- a/arch/powerpc/platforms/powernv/opal-irqchip.c
+++ b/arch/powerpc/platforms/powernv/opal-irqchip.c
@@ -83,7 +83,19 @@ static void opal_event_unmask(struct irq_data *d)
set_bit(d->hwirq, &opal_event_irqchip.mask);
opal_poll_events(&events);
- opal_handle_events(be64_to_cpu(events));
+ last_outstanding_events = be64_to_cpu(events);
+
+ /*
+ * We can't just handle the events now with opal_handle_events().
+ * If we did we would deadlock when opal_event_unmask() is called from
+ * handle_level_irq() with the irq descriptor lock held, because
+ * calling opal_handle_events() would call generic_handle_irq() and
+ * then handle_level_irq() which would try to take the descriptor lock
+ * again. Instead queue the events for later.
+ */
+ if (last_outstanding_events & opal_event_irqchip.mask)
+ /* Need to retrigger the interrupt */
+ irq_work_queue(&opal_event_irq_work);
}
static int opal_event_set_type(struct irq_data *d, unsigned int flow_type)
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 4296d55e88f3..57cffb80bc36 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -278,7 +278,7 @@ static void opal_handle_message(void)
/* Sanity check */
if (type >= OPAL_MSG_TYPE_MAX) {
- pr_warning("%s: Unknown message type: %u\n", __func__, type);
+ pr_warn_once("%s: Unknown message type: %u\n", __func__, type);
return;
}
opal_message_do_notify(type, (void *)&msg);
diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c
index 8140d10c6785..6e72961608f0 100644
--- a/arch/s390/kernel/dis.c
+++ b/arch/s390/kernel/dis.c
@@ -1920,16 +1920,23 @@ static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
}
if (separator)
ptr += sprintf(ptr, "%c", separator);
+ /*
+ * Use four '%' characters below because of the
+ * following two conversions:
+ *
+ * 1) sprintf: %%%%r -> %%r
+ * 2) printk : %%r -> %r
+ */
if (operand->flags & OPERAND_GPR)
- ptr += sprintf(ptr, "%%r%i", value);
+ ptr += sprintf(ptr, "%%%%r%i", value);
else if (operand->flags & OPERAND_FPR)
- ptr += sprintf(ptr, "%%f%i", value);
+ ptr += sprintf(ptr, "%%%%f%i", value);
else if (operand->flags & OPERAND_AR)
- ptr += sprintf(ptr, "%%a%i", value);
+ ptr += sprintf(ptr, "%%%%a%i", value);
else if (operand->flags & OPERAND_CR)
- ptr += sprintf(ptr, "%%c%i", value);
+ ptr += sprintf(ptr, "%%%%c%i", value);
else if (operand->flags & OPERAND_VR)
- ptr += sprintf(ptr, "%%v%i", value);
+ ptr += sprintf(ptr, "%%%%v%i", value);
else if (operand->flags & OPERAND_PCREL)
ptr += sprintf(ptr, "%lx", (signed int) value
+ addr);
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
index 370ca1e71ffb..93310837c2df 100644
--- a/arch/sparc/include/asm/elf_64.h
+++ b/arch/sparc/include/asm/elf_64.h
@@ -95,6 +95,7 @@
* really available. So we simply advertise only "crypto" support.
*/
#define HWCAP_SPARC_CRYPTO 0x04000000 /* CRYPTO insns available */
+#define HWCAP_SPARC_ADI 0x08000000 /* ADI available */
#define CORE_DUMP_USE_REGSET
diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h
index efe9479f837b..1c26d440d288 100644
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -417,8 +417,13 @@
#define __NR_bpf 349
#define __NR_execveat 350
#define __NR_membarrier 351
+#define __NR_userfaultfd 352
+#define __NR_bind 353
+#define __NR_listen 354
+#define __NR_setsockopt 355
+#define __NR_mlock2 356
-#define NR_syscalls 352
+#define NR_syscalls 357
/* Bitmask values returned from kern_features system call. */
#define KERN_FEATURE_MIXED_MODE_STACK 0x00000001
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index 3d61fcae7ee3..f2d30cab5b3f 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -946,6 +946,12 @@ ENTRY(__retl_one)
mov 1, %o0
ENDPROC(__retl_one)
+ENTRY(__retl_one_fp)
+ VISExitHalf
+ retl
+ mov 1, %o0
+ENDPROC(__retl_one_fp)
+
ENTRY(__ret_one_asi)
wr %g0, ASI_AIUS, %asi
ret
@@ -958,6 +964,13 @@ ENTRY(__retl_one_asi)
mov 1, %o0
ENDPROC(__retl_one_asi)
+ENTRY(__retl_one_asi_fp)
+ wr %g0, ASI_AIUS, %asi
+ VISExitHalf
+ retl
+ mov 1, %o0
+ENDPROC(__retl_one_asi_fp)
+
ENTRY(__retl_o1)
retl
mov %o1, %o0
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 3091267c5cc3..6596f66ce112 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1828,11 +1828,18 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry,
void
perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
{
+ u64 saved_fault_address = current_thread_info()->fault_address;
+ u8 saved_fault_code = get_thread_fault_code();
+ mm_segment_t old_fs;
+
perf_callchain_store(entry, regs->tpc);
if (!current->mm)
return;
+ old_fs = get_fs();
+ set_fs(USER_DS);
+
flushw_user();
pagefault_disable();
@@ -1843,4 +1850,8 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
perf_callchain_user_64(entry, regs);
pagefault_enable();
+
+ set_fs(old_fs);
+ set_thread_fault_code(saved_fault_code);
+ current_thread_info()->fault_address = saved_fault_address;
}
diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S
index 39f0c662f4c8..d08bdaffdbfc 100644
--- a/arch/sparc/kernel/rtrap_64.S
+++ b/arch/sparc/kernel/rtrap_64.S
@@ -73,7 +73,13 @@ rtrap_nmi: ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
andn %l1, %l4, %l1
srl %l4, 20, %l4
ba,pt %xcc, rtrap_no_irq_enable
- wrpr %l4, %pil
+ nop
+ /* Do not actually set the %pil here. We will do that
+ * below after we clear PSTATE_IE in the %pstate register.
+ * If we re-enable interrupts here, we can recurse down
+ * the hardirq stack potentially endlessly, causing a
+ * stack overflow.
+ */
.align 64
.globl rtrap_irq, rtrap, irqsz_patchme, rtrap_xcall
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index f7b261749383..f3185e2b028b 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -380,7 +380,8 @@ static const char *hwcaps[] = {
*/
"mul32", "div32", "fsmuld", "v8plus", "popc", "vis", "vis2",
"ASIBlkInit", "fmaf", "vis3", "hpc", "random", "trans", "fjfmau",
- "ima", "cspare", "pause", "cbcond",
+ "ima", "cspare", "pause", "cbcond", NULL /*reserved for crypto */,
+ "adp",
};
static const char *crypto_hwcaps[] = {
@@ -396,7 +397,7 @@ void cpucap_info(struct seq_file *m)
seq_puts(m, "cpucaps\t\t: ");
for (i = 0; i < ARRAY_SIZE(hwcaps); i++) {
unsigned long bit = 1UL << i;
- if (caps & bit) {
+ if (hwcaps[i] && (caps & bit)) {
seq_printf(m, "%s%s",
printed ? "," : "", hwcaps[i]);
printed++;
@@ -450,7 +451,7 @@ static void __init report_hwcaps(unsigned long caps)
for (i = 0; i < ARRAY_SIZE(hwcaps); i++) {
unsigned long bit = 1UL << i;
- if (caps & bit)
+ if (hwcaps[i] && (caps & bit))
report_one_hwcap(&printed, hwcaps[i]);
}
if (caps & HWCAP_SPARC_CRYPTO)
@@ -485,7 +486,7 @@ static unsigned long __init mdesc_cpu_hwcap_list(void)
for (i = 0; i < ARRAY_SIZE(hwcaps); i++) {
unsigned long bit = 1UL << i;
- if (!strcmp(prop, hwcaps[i])) {
+ if (hwcaps[i] && !strcmp(prop, hwcaps[i])) {
caps |= bit;
break;
}
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index cc23b62b6e38..e663b6c78de2 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -35,18 +35,18 @@ sys_call_table:
/*80*/ .long sys_setgroups16, sys_getpgrp, sys_setgroups, sys_setitimer, sys_ftruncate64
/*85*/ .long sys_swapon, sys_getitimer, sys_setuid, sys_sethostname, sys_setgid
/*90*/ .long sys_dup2, sys_setfsuid, sys_fcntl, sys_select, sys_setfsgid
-/*95*/ .long sys_fsync, sys_setpriority, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall
+/*95*/ .long sys_fsync, sys_setpriority, sys_socket, sys_connect, sys_accept
/*100*/ .long sys_getpriority, sys_rt_sigreturn, sys_rt_sigaction, sys_rt_sigprocmask, sys_rt_sigpending
/*105*/ .long sys_rt_sigtimedwait, sys_rt_sigqueueinfo, sys_rt_sigsuspend, sys_setresuid, sys_getresuid
-/*110*/ .long sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall
-/*115*/ .long sys_getgroups, sys_gettimeofday, sys_getrusage, sys_nis_syscall, sys_getcwd
+/*110*/ .long sys_setresgid, sys_getresgid, sys_setregid, sys_recvmsg, sys_sendmsg
+/*115*/ .long sys_getgroups, sys_gettimeofday, sys_getrusage, sys_getsockopt, sys_getcwd
/*120*/ .long sys_readv, sys_writev, sys_settimeofday, sys_fchown16, sys_fchmod
-/*125*/ .long sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, sys_truncate
-/*130*/ .long sys_ftruncate, sys_flock, sys_lstat64, sys_nis_syscall, sys_nis_syscall
-/*135*/ .long sys_nis_syscall, sys_mkdir, sys_rmdir, sys_utimes, sys_stat64
-/*140*/ .long sys_sendfile64, sys_nis_syscall, sys_futex, sys_gettid, sys_getrlimit
+/*125*/ .long sys_recvfrom, sys_setreuid16, sys_setregid16, sys_rename, sys_truncate
+/*130*/ .long sys_ftruncate, sys_flock, sys_lstat64, sys_sendto, sys_shutdown
+/*135*/ .long sys_socketpair, sys_mkdir, sys_rmdir, sys_utimes, sys_stat64
+/*140*/ .long sys_sendfile64, sys_getpeername, sys_futex, sys_gettid, sys_getrlimit
/*145*/ .long sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write
-/*150*/ .long sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
+/*150*/ .long sys_getsockname, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
/*155*/ .long sys_fcntl64, sys_inotify_rm_watch, sys_statfs, sys_fstatfs, sys_oldumount
/*160*/ .long sys_sched_setaffinity, sys_sched_getaffinity, sys_getdomainname, sys_setdomainname, sys_nis_syscall
/*165*/ .long sys_quotactl, sys_set_tid_address, sys_mount, sys_ustat, sys_setxattr
@@ -87,4 +87,5 @@ sys_call_table:
/*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
/*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
-/*350*/ .long sys_execveat, sys_membarrier
+/*350*/ .long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
+/*355*/ .long sys_setsockopt, sys_mlock2
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index f229468a7479..1557121f4cdc 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -37,15 +37,15 @@ sys_call_table32:
/*80*/ .word sys_setgroups16, sys_getpgrp, sys_setgroups, compat_sys_setitimer, sys32_ftruncate64
.word sys_swapon, compat_sys_getitimer, sys_setuid, sys_sethostname, sys_setgid
/*90*/ .word sys_dup2, sys_setfsuid, compat_sys_fcntl, sys32_select, sys_setfsgid
- .word sys_fsync, sys_setpriority, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall
+ .word sys_fsync, sys_setpriority, sys_socket, sys_connect, sys_accept
/*100*/ .word sys_getpriority, sys32_rt_sigreturn, compat_sys_rt_sigaction, compat_sys_rt_sigprocmask, compat_sys_rt_sigpending
.word compat_sys_rt_sigtimedwait, compat_sys_rt_sigqueueinfo, compat_sys_rt_sigsuspend, sys_setresuid, sys_getresuid
-/*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall
- .word sys_getgroups, compat_sys_gettimeofday, compat_sys_getrusage, sys_nis_syscall, sys_getcwd
+/*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, compat_sys_recvmsg, compat_sys_sendmsg
+ .word sys_getgroups, compat_sys_gettimeofday, compat_sys_getrusage, compat_sys_getsockopt, sys_getcwd
/*120*/ .word compat_sys_readv, compat_sys_writev, compat_sys_settimeofday, sys_fchown16, sys_fchmod
- .word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, compat_sys_truncate
-/*130*/ .word compat_sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall
- .word sys_nis_syscall, sys_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64
+ .word sys_recvfrom, sys_setreuid16, sys_setregid16, sys_rename, compat_sys_truncate
+/*130*/ .word compat_sys_ftruncate, sys_flock, compat_sys_lstat64, sys_sendto, sys_shutdown
+ .word sys_socketpair, sys_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64
/*140*/ .word sys_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit
.word compat_sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write
/*150*/ .word sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
@@ -88,7 +88,8 @@ sys_call_table32:
.word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
.word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
-/*350*/ .word sys32_execveat, sys_membarrier
+/*350*/ .word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
+ .word compat_sys_setsockopt, sys_mlock2
#endif /* CONFIG_COMPAT */
@@ -168,4 +169,5 @@ sys_call_table:
.word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
.word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
-/*350*/ .word sys64_execveat, sys_membarrier
+/*350*/ .word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
+ .word sys_setsockopt, sys_mlock2
diff --git a/arch/sparc/lib/NG2copy_from_user.S b/arch/sparc/lib/NG2copy_from_user.S
index 119ccb9a54f4..d5242b8c4f94 100644
--- a/arch/sparc/lib/NG2copy_from_user.S
+++ b/arch/sparc/lib/NG2copy_from_user.S
@@ -11,6 +11,14 @@
.text; \
.align 4;
+#define EX_LD_FP(x) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, __retl_one_asi_fp;\
+ .text; \
+ .align 4;
+
#ifndef ASI_AIUS
#define ASI_AIUS 0x11
#endif
diff --git a/arch/sparc/lib/NG2copy_to_user.S b/arch/sparc/lib/NG2copy_to_user.S
index 7fe1ccefd9d0..4e962d993b10 100644
--- a/arch/sparc/lib/NG2copy_to_user.S
+++ b/arch/sparc/lib/NG2copy_to_user.S
@@ -11,6 +11,14 @@
.text; \
.align 4;
+#define EX_ST_FP(x) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, __retl_one_asi_fp;\
+ .text; \
+ .align 4;
+
#ifndef ASI_AIUS
#define ASI_AIUS 0x11
#endif
diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S
index 30eee6e8a81b..d5f585df2f3f 100644
--- a/arch/sparc/lib/NG2memcpy.S
+++ b/arch/sparc/lib/NG2memcpy.S
@@ -34,10 +34,16 @@
#ifndef EX_LD
#define EX_LD(x) x
#endif
+#ifndef EX_LD_FP
+#define EX_LD_FP(x) x
+#endif
#ifndef EX_ST
#define EX_ST(x) x
#endif
+#ifndef EX_ST_FP
+#define EX_ST_FP(x) x
+#endif
#ifndef EX_RETVAL
#define EX_RETVAL(x) x
@@ -134,40 +140,40 @@
fsrc2 %x6, %f12; \
fsrc2 %x7, %f14;
#define FREG_LOAD_1(base, x0) \
- EX_LD(LOAD(ldd, base + 0x00, %x0))
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0))
#define FREG_LOAD_2(base, x0, x1) \
- EX_LD(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD(LOAD(ldd, base + 0x08, %x1));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1));
#define FREG_LOAD_3(base, x0, x1, x2) \
- EX_LD(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD(LOAD(ldd, base + 0x10, %x2));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2));
#define FREG_LOAD_4(base, x0, x1, x2, x3) \
- EX_LD(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD(LOAD(ldd, base + 0x10, %x2)); \
- EX_LD(LOAD(ldd, base + 0x18, %x3));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
+ EX_LD_FP(LOAD(ldd, base + 0x18, %x3));
#define FREG_LOAD_5(base, x0, x1, x2, x3, x4) \
- EX_LD(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD(LOAD(ldd, base + 0x10, %x2)); \
- EX_LD(LOAD(ldd, base + 0x18, %x3)); \
- EX_LD(LOAD(ldd, base + 0x20, %x4));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
+ EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \
+ EX_LD_FP(LOAD(ldd, base + 0x20, %x4));
#define FREG_LOAD_6(base, x0, x1, x2, x3, x4, x5) \
- EX_LD(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD(LOAD(ldd, base + 0x10, %x2)); \
- EX_LD(LOAD(ldd, base + 0x18, %x3)); \
- EX_LD(LOAD(ldd, base + 0x20, %x4)); \
- EX_LD(LOAD(ldd, base + 0x28, %x5));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
+ EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \
+ EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \
+ EX_LD_FP(LOAD(ldd, base + 0x28, %x5));
#define FREG_LOAD_7(base, x0, x1, x2, x3, x4, x5, x6) \
- EX_LD(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD(LOAD(ldd, base + 0x10, %x2)); \
- EX_LD(LOAD(ldd, base + 0x18, %x3)); \
- EX_LD(LOAD(ldd, base + 0x20, %x4)); \
- EX_LD(LOAD(ldd, base + 0x28, %x5)); \
- EX_LD(LOAD(ldd, base + 0x30, %x6));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
+ EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \
+ EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \
+ EX_LD_FP(LOAD(ldd, base + 0x28, %x5)); \
+ EX_LD_FP(LOAD(ldd, base + 0x30, %x6));
.register %g2,#scratch
.register %g3,#scratch
@@ -275,11 +281,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
nop
/* fall through for 0 < low bits < 8 */
110: sub %o4, 64, %g2
- EX_LD(LOAD_BLK(%g2, %f0))
-1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
- EX_LD(LOAD_BLK(%o4, %f16))
+ EX_LD_FP(LOAD_BLK(%g2, %f0))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f16))
FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16)
- EX_ST(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -290,10 +296,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
120: sub %o4, 56, %g2
FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12)
-1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
- EX_LD(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f16))
FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18)
- EX_ST(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -304,10 +310,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
130: sub %o4, 48, %g2
FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10)
-1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
- EX_LD(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f16))
FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20)
- EX_ST(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
FREG_MOVE_6(f20, f22, f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -318,10 +324,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
140: sub %o4, 40, %g2
FREG_LOAD_5(%g2, f0, f2, f4, f6, f8)
-1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
- EX_LD(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f16))
FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22)
- EX_ST(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
FREG_MOVE_5(f22, f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -332,10 +338,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
150: sub %o4, 32, %g2
FREG_LOAD_4(%g2, f0, f2, f4, f6)
-1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
- EX_LD(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f16))
FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24)
- EX_ST(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
FREG_MOVE_4(f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -346,10 +352,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
160: sub %o4, 24, %g2
FREG_LOAD_3(%g2, f0, f2, f4)
-1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
- EX_LD(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f16))
FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26)
- EX_ST(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
FREG_MOVE_3(f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -360,10 +366,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
170: sub %o4, 16, %g2
FREG_LOAD_2(%g2, f0, f2)
-1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
- EX_LD(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f16))
FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28)
- EX_ST(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
FREG_MOVE_2(f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -374,10 +380,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
180: sub %o4, 8, %g2
FREG_LOAD_1(%g2, f0)
-1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
- EX_LD(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f16))
FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30)
- EX_ST(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
FREG_MOVE_1(f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -387,10 +393,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
nop
190:
-1: EX_ST(STORE_INIT(%g0, %o4 + %g3))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
subcc %g1, 64, %g1
- EX_LD(LOAD_BLK(%o4, %f0))
- EX_ST(STORE_BLK(%f0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f0))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
add %o4, 64, %o4
bne,pt %xcc, 1b
LOAD(prefetch, %o4 + 64, #one_read)
diff --git a/arch/sparc/lib/NG4copy_from_user.S b/arch/sparc/lib/NG4copy_from_user.S
index fd9f903ffa32..2e8ee7ad07a9 100644
--- a/arch/sparc/lib/NG4copy_from_user.S
+++ b/arch/sparc/lib/NG4copy_from_user.S
@@ -11,6 +11,14 @@
.text; \
.align 4;
+#define EX_LD_FP(x) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, __retl_one_asi_fp;\
+ .text; \
+ .align 4;
+
#ifndef ASI_AIUS
#define ASI_AIUS 0x11
#endif
diff --git a/arch/sparc/lib/NG4copy_to_user.S b/arch/sparc/lib/NG4copy_to_user.S
index 9744c4540a8d..be0bf4590df8 100644
--- a/arch/sparc/lib/NG4copy_to_user.S
+++ b/arch/sparc/lib/NG4copy_to_user.S
@@ -11,6 +11,14 @@
.text; \
.align 4;
+#define EX_ST_FP(x) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, __retl_one_asi_fp;\
+ .text; \
+ .align 4;
+
#ifndef ASI_AIUS
#define ASI_AIUS 0x11
#endif
diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S
index 83aeeb1dffdb..8e13ee1f4454 100644
--- a/arch/sparc/lib/NG4memcpy.S
+++ b/arch/sparc/lib/NG4memcpy.S
@@ -48,10 +48,16 @@
#ifndef EX_LD
#define EX_LD(x) x
#endif
+#ifndef EX_LD_FP
+#define EX_LD_FP(x) x
+#endif
#ifndef EX_ST
#define EX_ST(x) x
#endif
+#ifndef EX_ST_FP
+#define EX_ST_FP(x) x
+#endif
#ifndef EX_RETVAL
#define EX_RETVAL(x) x
@@ -210,17 +216,17 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
sub %o2, %o4, %o2
alignaddr %o1, %g0, %g1
add %o1, %o4, %o1
- EX_LD(LOAD(ldd, %g1 + 0x00, %f0))
-1: EX_LD(LOAD(ldd, %g1 + 0x08, %f2))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x00, %f0))
+1: EX_LD_FP(LOAD(ldd, %g1 + 0x08, %f2))
subcc %o4, 0x40, %o4
- EX_LD(LOAD(ldd, %g1 + 0x10, %f4))
- EX_LD(LOAD(ldd, %g1 + 0x18, %f6))
- EX_LD(LOAD(ldd, %g1 + 0x20, %f8))
- EX_LD(LOAD(ldd, %g1 + 0x28, %f10))
- EX_LD(LOAD(ldd, %g1 + 0x30, %f12))
- EX_LD(LOAD(ldd, %g1 + 0x38, %f14))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x10, %f4))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x18, %f6))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x20, %f8))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x28, %f10))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x30, %f12))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x38, %f14))
faligndata %f0, %f2, %f16
- EX_LD(LOAD(ldd, %g1 + 0x40, %f0))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x40, %f0))
faligndata %f2, %f4, %f18
add %g1, 0x40, %g1
faligndata %f4, %f6, %f20
@@ -229,14 +235,14 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
faligndata %f10, %f12, %f26
faligndata %f12, %f14, %f28
faligndata %f14, %f0, %f30
- EX_ST(STORE(std, %f16, %o0 + 0x00))
- EX_ST(STORE(std, %f18, %o0 + 0x08))
- EX_ST(STORE(std, %f20, %o0 + 0x10))
- EX_ST(STORE(std, %f22, %o0 + 0x18))
- EX_ST(STORE(std, %f24, %o0 + 0x20))
- EX_ST(STORE(std, %f26, %o0 + 0x28))
- EX_ST(STORE(std, %f28, %o0 + 0x30))
- EX_ST(STORE(std, %f30, %o0 + 0x38))
+ EX_ST_FP(STORE(std, %f16, %o0 + 0x00))
+ EX_ST_FP(STORE(std, %f18, %o0 + 0x08))
+ EX_ST_FP(STORE(std, %f20, %o0 + 0x10))
+ EX_ST_FP(STORE(std, %f22, %o0 + 0x18))
+ EX_ST_FP(STORE(std, %f24, %o0 + 0x20))
+ EX_ST_FP(STORE(std, %f26, %o0 + 0x28))
+ EX_ST_FP(STORE(std, %f28, %o0 + 0x30))
+ EX_ST_FP(STORE(std, %f30, %o0 + 0x38))
add %o0, 0x40, %o0
bne,pt %icc, 1b
LOAD(prefetch, %g1 + 0x200, #n_reads_strong)
diff --git a/arch/sparc/lib/U1copy_from_user.S b/arch/sparc/lib/U1copy_from_user.S
index a6ae2ea04bf5..ecc5692fa2b4 100644
--- a/arch/sparc/lib/U1copy_from_user.S
+++ b/arch/sparc/lib/U1copy_from_user.S
@@ -11,6 +11,14 @@
.text; \
.align 4;
+#define EX_LD_FP(x) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, __retl_one_fp;\
+ .text; \
+ .align 4;
+
#define FUNC_NAME ___copy_from_user
#define LOAD(type,addr,dest) type##a [addr] %asi, dest
#define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_AIUS, dest
diff --git a/arch/sparc/lib/U1copy_to_user.S b/arch/sparc/lib/U1copy_to_user.S
index f4b970eeb485..9eea392e44d4 100644
--- a/arch/sparc/lib/U1copy_to_user.S
+++ b/arch/sparc/lib/U1copy_to_user.S
@@ -11,6 +11,14 @@
.text; \
.align 4;
+#define EX_ST_FP(x) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, __retl_one_fp;\
+ .text; \
+ .align 4;
+
#define FUNC_NAME ___copy_to_user
#define STORE(type,src,addr) type##a src, [addr] ASI_AIUS
#define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_AIUS
diff --git a/arch/sparc/lib/U1memcpy.S b/arch/sparc/lib/U1memcpy.S
index b67142b7768e..3e6209ebb7d7 100644
--- a/arch/sparc/lib/U1memcpy.S
+++ b/arch/sparc/lib/U1memcpy.S
@@ -25,10 +25,16 @@
#ifndef EX_LD
#define EX_LD(x) x
#endif
+#ifndef EX_LD_FP
+#define EX_LD_FP(x) x
+#endif
#ifndef EX_ST
#define EX_ST(x) x
#endif
+#ifndef EX_ST_FP
+#define EX_ST_FP(x) x
+#endif
#ifndef EX_RETVAL
#define EX_RETVAL(x) x
@@ -73,8 +79,8 @@
faligndata %f8, %f9, %f62;
#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt) \
- EX_LD(LOAD_BLK(%src, %fdest)); \
- EX_ST(STORE_BLK(%fsrc, %dest)); \
+ EX_LD_FP(LOAD_BLK(%src, %fdest)); \
+ EX_ST_FP(STORE_BLK(%fsrc, %dest)); \
add %src, 0x40, %src; \
subcc %len, 0x40, %len; \
be,pn %xcc, jmptgt; \
@@ -89,12 +95,12 @@
#define DO_SYNC membar #Sync;
#define STORE_SYNC(dest, fsrc) \
- EX_ST(STORE_BLK(%fsrc, %dest)); \
+ EX_ST_FP(STORE_BLK(%fsrc, %dest)); \
add %dest, 0x40, %dest; \
DO_SYNC
#define STORE_JUMP(dest, fsrc, target) \
- EX_ST(STORE_BLK(%fsrc, %dest)); \
+ EX_ST_FP(STORE_BLK(%fsrc, %dest)); \
add %dest, 0x40, %dest; \
ba,pt %xcc, target; \
nop;
@@ -103,7 +109,7 @@
subcc %left, 8, %left;\
bl,pn %xcc, 95f; \
faligndata %f0, %f1, %f48; \
- EX_ST(STORE(std, %f48, %dest)); \
+ EX_ST_FP(STORE(std, %f48, %dest)); \
add %dest, 8, %dest;
#define UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \
@@ -160,8 +166,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
and %g2, 0x38, %g2
1: subcc %g1, 0x1, %g1
- EX_LD(LOAD(ldub, %o1 + 0x00, %o3))
- EX_ST(STORE(stb, %o3, %o1 + %GLOBAL_SPARE))
+ EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3))
+ EX_ST_FP(STORE(stb, %o3, %o1 + %GLOBAL_SPARE))
bgu,pt %XCC, 1b
add %o1, 0x1, %o1
@@ -172,20 +178,20 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
be,pt %icc, 3f
alignaddr %o1, %g0, %o1
- EX_LD(LOAD(ldd, %o1, %f4))
-1: EX_LD(LOAD(ldd, %o1 + 0x8, %f6))
+ EX_LD_FP(LOAD(ldd, %o1, %f4))
+1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6))
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f4, %f6, %f0
- EX_ST(STORE(std, %f0, %o0))
+ EX_ST_FP(STORE(std, %f0, %o0))
be,pn %icc, 3f
add %o0, 0x8, %o0
- EX_LD(LOAD(ldd, %o1 + 0x8, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4))
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f6, %f4, %f0
- EX_ST(STORE(std, %f0, %o0))
+ EX_ST_FP(STORE(std, %f0, %o0))
bne,pt %icc, 1b
add %o0, 0x8, %o0
@@ -208,13 +214,13 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
add %g1, %GLOBAL_SPARE, %g1
subcc %o2, %g3, %o2
- EX_LD(LOAD_BLK(%o1, %f0))
+ EX_LD_FP(LOAD_BLK(%o1, %f0))
add %o1, 0x40, %o1
add %g1, %g3, %g1
- EX_LD(LOAD_BLK(%o1, %f16))
+ EX_LD_FP(LOAD_BLK(%o1, %f16))
add %o1, 0x40, %o1
sub %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE
- EX_LD(LOAD_BLK(%o1, %f32))
+ EX_LD_FP(LOAD_BLK(%o1, %f32))
add %o1, 0x40, %o1
/* There are 8 instances of the unrolled loop,
@@ -426,28 +432,28 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
62: FINISH_VISCHUNK(o0, f44, f46, g3)
63: UNEVEN_VISCHUNK_LAST(o0, f46, f0, g3)
-93: EX_LD(LOAD(ldd, %o1, %f2))
+93: EX_LD_FP(LOAD(ldd, %o1, %f2))
add %o1, 8, %o1
subcc %g3, 8, %g3
faligndata %f0, %f2, %f8
- EX_ST(STORE(std, %f8, %o0))
+ EX_ST_FP(STORE(std, %f8, %o0))
bl,pn %xcc, 95f
add %o0, 8, %o0
- EX_LD(LOAD(ldd, %o1, %f0))
+ EX_LD_FP(LOAD(ldd, %o1, %f0))
add %o1, 8, %o1
subcc %g3, 8, %g3
faligndata %f2, %f0, %f8
- EX_ST(STORE(std, %f8, %o0))
+ EX_ST_FP(STORE(std, %f8, %o0))
bge,pt %xcc, 93b
add %o0, 8, %o0
95: brz,pt %o2, 2f
mov %g1, %o1
-1: EX_LD(LOAD(ldub, %o1, %o3))
+1: EX_LD_FP(LOAD(ldub, %o1, %o3))
add %o1, 1, %o1
subcc %o2, 1, %o2
- EX_ST(STORE(stb, %o3, %o0))
+ EX_ST_FP(STORE(stb, %o3, %o0))
bne,pt %xcc, 1b
add %o0, 1, %o0
diff --git a/arch/sparc/lib/U3copy_from_user.S b/arch/sparc/lib/U3copy_from_user.S
index b1acd1331c33..88ad73d86fe4 100644
--- a/arch/sparc/lib/U3copy_from_user.S
+++ b/arch/sparc/lib/U3copy_from_user.S
@@ -11,6 +11,14 @@
.text; \
.align 4;
+#define EX_LD_FP(x) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, __retl_one_fp;\
+ .text; \
+ .align 4;
+
#define FUNC_NAME U3copy_from_user
#define LOAD(type,addr,dest) type##a [addr] %asi, dest
#define EX_RETVAL(x) 0
diff --git a/arch/sparc/lib/U3copy_to_user.S b/arch/sparc/lib/U3copy_to_user.S
index ef1e493afdfa..845139d75537 100644
--- a/arch/sparc/lib/U3copy_to_user.S
+++ b/arch/sparc/lib/U3copy_to_user.S
@@ -11,6 +11,14 @@
.text; \
.align 4;
+#define EX_ST_FP(x) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, __retl_one_fp;\
+ .text; \
+ .align 4;
+
#define FUNC_NAME U3copy_to_user
#define STORE(type,src,addr) type##a src, [addr] ASI_AIUS
#define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_AIUS
diff --git a/arch/sparc/lib/U3memcpy.S b/arch/sparc/lib/U3memcpy.S
index 7cae9cc6a204..491ee69e4995 100644
--- a/arch/sparc/lib/U3memcpy.S
+++ b/arch/sparc/lib/U3memcpy.S
@@ -24,10 +24,16 @@
#ifndef EX_LD
#define EX_LD(x) x
#endif
+#ifndef EX_LD_FP
+#define EX_LD_FP(x) x
+#endif
#ifndef EX_ST
#define EX_ST(x) x
#endif
+#ifndef EX_ST_FP
+#define EX_ST_FP(x) x
+#endif
#ifndef EX_RETVAL
#define EX_RETVAL(x) x
@@ -120,8 +126,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
and %g2, 0x38, %g2
1: subcc %g1, 0x1, %g1
- EX_LD(LOAD(ldub, %o1 + 0x00, %o3))
- EX_ST(STORE(stb, %o3, %o1 + GLOBAL_SPARE))
+ EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3))
+ EX_ST_FP(STORE(stb, %o3, %o1 + GLOBAL_SPARE))
bgu,pt %XCC, 1b
add %o1, 0x1, %o1
@@ -132,20 +138,20 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
be,pt %icc, 3f
alignaddr %o1, %g0, %o1
- EX_LD(LOAD(ldd, %o1, %f4))
-1: EX_LD(LOAD(ldd, %o1 + 0x8, %f6))
+ EX_LD_FP(LOAD(ldd, %o1, %f4))
+1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6))
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f4, %f6, %f0
- EX_ST(STORE(std, %f0, %o0))
+ EX_ST_FP(STORE(std, %f0, %o0))
be,pn %icc, 3f
add %o0, 0x8, %o0
- EX_LD(LOAD(ldd, %o1 + 0x8, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4))
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f6, %f4, %f2
- EX_ST(STORE(std, %f2, %o0))
+ EX_ST_FP(STORE(std, %f2, %o0))
bne,pt %icc, 1b
add %o0, 0x8, %o0
@@ -155,25 +161,25 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
LOAD(prefetch, %o1 + 0x080, #one_read)
LOAD(prefetch, %o1 + 0x0c0, #one_read)
LOAD(prefetch, %o1 + 0x100, #one_read)
- EX_LD(LOAD(ldd, %o1 + 0x000, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x000, %f0))
LOAD(prefetch, %o1 + 0x140, #one_read)
- EX_LD(LOAD(ldd, %o1 + 0x008, %f2))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2))
LOAD(prefetch, %o1 + 0x180, #one_read)
- EX_LD(LOAD(ldd, %o1 + 0x010, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4))
LOAD(prefetch, %o1 + 0x1c0, #one_read)
faligndata %f0, %f2, %f16
- EX_LD(LOAD(ldd, %o1 + 0x018, %f6))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6))
faligndata %f2, %f4, %f18
- EX_LD(LOAD(ldd, %o1 + 0x020, %f8))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8))
faligndata %f4, %f6, %f20
- EX_LD(LOAD(ldd, %o1 + 0x028, %f10))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10))
faligndata %f6, %f8, %f22
- EX_LD(LOAD(ldd, %o1 + 0x030, %f12))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12))
faligndata %f8, %f10, %f24
- EX_LD(LOAD(ldd, %o1 + 0x038, %f14))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14))
faligndata %f10, %f12, %f26
- EX_LD(LOAD(ldd, %o1 + 0x040, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0))
subcc GLOBAL_SPARE, 0x80, GLOBAL_SPARE
add %o1, 0x40, %o1
@@ -184,26 +190,26 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
.align 64
1:
- EX_LD(LOAD(ldd, %o1 + 0x008, %f2))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2))
faligndata %f12, %f14, %f28
- EX_LD(LOAD(ldd, %o1 + 0x010, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4))
faligndata %f14, %f0, %f30
- EX_ST(STORE_BLK(%f16, %o0))
- EX_LD(LOAD(ldd, %o1 + 0x018, %f6))
+ EX_ST_FP(STORE_BLK(%f16, %o0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6))
faligndata %f0, %f2, %f16
add %o0, 0x40, %o0
- EX_LD(LOAD(ldd, %o1 + 0x020, %f8))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8))
faligndata %f2, %f4, %f18
- EX_LD(LOAD(ldd, %o1 + 0x028, %f10))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10))
faligndata %f4, %f6, %f20
- EX_LD(LOAD(ldd, %o1 + 0x030, %f12))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12))
subcc %o3, 0x01, %o3
faligndata %f6, %f8, %f22
- EX_LD(LOAD(ldd, %o1 + 0x038, %f14))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14))
faligndata %f8, %f10, %f24
- EX_LD(LOAD(ldd, %o1 + 0x040, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0))
LOAD(prefetch, %o1 + 0x1c0, #one_read)
faligndata %f10, %f12, %f26
bg,pt %XCC, 1b
@@ -211,29 +217,29 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
/* Finally we copy the last full 64-byte block. */
2:
- EX_LD(LOAD(ldd, %o1 + 0x008, %f2))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2))
faligndata %f12, %f14, %f28
- EX_LD(LOAD(ldd, %o1 + 0x010, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4))
faligndata %f14, %f0, %f30
- EX_ST(STORE_BLK(%f16, %o0))
- EX_LD(LOAD(ldd, %o1 + 0x018, %f6))
+ EX_ST_FP(STORE_BLK(%f16, %o0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6))
faligndata %f0, %f2, %f16
- EX_LD(LOAD(ldd, %o1 + 0x020, %f8))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8))
faligndata %f2, %f4, %f18
- EX_LD(LOAD(ldd, %o1 + 0x028, %f10))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10))
faligndata %f4, %f6, %f20
- EX_LD(LOAD(ldd, %o1 + 0x030, %f12))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12))
faligndata %f6, %f8, %f22
- EX_LD(LOAD(ldd, %o1 + 0x038, %f14))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14))
faligndata %f8, %f10, %f24
cmp %g1, 0
be,pt %XCC, 1f
add %o0, 0x40, %o0
- EX_LD(LOAD(ldd, %o1 + 0x040, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0))
1: faligndata %f10, %f12, %f26
faligndata %f12, %f14, %f28
faligndata %f14, %f0, %f30
- EX_ST(STORE_BLK(%f16, %o0))
+ EX_ST_FP(STORE_BLK(%f16, %o0))
add %o0, 0x40, %o0
add %o1, 0x40, %o1
membar #Sync
@@ -253,20 +259,20 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
sub %o2, %g2, %o2
be,a,pt %XCC, 1f
- EX_LD(LOAD(ldd, %o1 + 0x00, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x00, %f0))
-1: EX_LD(LOAD(ldd, %o1 + 0x08, %f2))
+1: EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f2))
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f0, %f2, %f8
- EX_ST(STORE(std, %f8, %o0))
+ EX_ST_FP(STORE(std, %f8, %o0))
be,pn %XCC, 2f
add %o0, 0x8, %o0
- EX_LD(LOAD(ldd, %o1 + 0x08, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f0))
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f2, %f0, %f8
- EX_ST(STORE(std, %f8, %o0))
+ EX_ST_FP(STORE(std, %f8, %o0))
bne,pn %XCC, 1b
add %o0, 0x8, %o0
diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c
index 22564f5f2364..3e6e05a7c4c2 100644
--- a/arch/sparc/net/bpf_jit_comp.c
+++ b/arch/sparc/net/bpf_jit_comp.c
@@ -420,22 +420,9 @@ void bpf_jit_compile(struct bpf_prog *fp)
}
emit_reg_move(O7, r_saved_O7);
- switch (filter[0].code) {
- case BPF_RET | BPF_K:
- case BPF_LD | BPF_W | BPF_LEN:
- case BPF_LD | BPF_W | BPF_ABS:
- case BPF_LD | BPF_H | BPF_ABS:
- case BPF_LD | BPF_B | BPF_ABS:
- /* The first instruction sets the A register (or is
- * a "RET 'constant'")
- */
- break;
- default:
- /* Make sure we dont leak kernel information to the
- * user.
- */
+ /* Make sure we dont leak kernel information to the user. */
+ if (bpf_needs_clear_a(&filter[0]))
emit_clear(r_A); /* A = 0 */
- }
for (i = 0; i < flen; i++) {
unsigned int K = filter[i].k;
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 106c21bd7f44..8ec7a4599c08 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -176,8 +176,6 @@ config NR_CPUS
smaller kernel memory footprint results from using a smaller
value on chips with fewer tiles.
-if TILEGX
-
choice
prompt "Kernel page size"
default PAGE_SIZE_64KB
@@ -188,8 +186,11 @@ choice
connections, etc., it may be better to select 16KB, which uses
memory more efficiently at some cost in TLB performance.
- Note that this option is TILE-Gx specific; currently
- TILEPro page size is set by rebuilding the hypervisor.
+ Note that for TILEPro, you must also rebuild the hypervisor
+ with a matching page size.
+
+config PAGE_SIZE_4KB
+ bool "4KB" if TILEPRO
config PAGE_SIZE_16KB
bool "16KB"
@@ -199,8 +200,6 @@ config PAGE_SIZE_64KB
endchoice
-endif
-
source "kernel/Kconfig.hz"
config KEXEC
diff --git a/arch/tile/include/asm/page.h b/arch/tile/include/asm/page.h
index a213a8d84a95..8eca6a0e1762 100644
--- a/arch/tile/include/asm/page.h
+++ b/arch/tile/include/asm/page.h
@@ -20,15 +20,17 @@
#include <arch/chip.h>
/* PAGE_SHIFT and HPAGE_SHIFT determine the page sizes. */
-#if defined(CONFIG_PAGE_SIZE_16KB)
+#if defined(CONFIG_PAGE_SIZE_4KB) /* tilepro only */
+#define PAGE_SHIFT 12
+#define CTX_PAGE_FLAG HV_CTX_PG_SM_4K
+#elif defined(CONFIG_PAGE_SIZE_16KB)
#define PAGE_SHIFT 14
#define CTX_PAGE_FLAG HV_CTX_PG_SM_16K
#elif defined(CONFIG_PAGE_SIZE_64KB)
#define PAGE_SHIFT 16
#define CTX_PAGE_FLAG HV_CTX_PG_SM_64K
#else
-#define PAGE_SHIFT HV_LOG2_DEFAULT_PAGE_SIZE_SMALL
-#define CTX_PAGE_FLAG 0
+#error Page size not specified in Kconfig
#endif
#define HPAGE_SHIFT HV_LOG2_DEFAULT_PAGE_SIZE_LARGE
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index a89fdbc1f0be..03663740c866 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -421,7 +421,7 @@ __visible long do_fast_syscall_32(struct pt_regs *regs)
regs->ip = landing_pad;
/*
- * Fetch ECX from where the vDSO stashed it.
+ * Fetch EBP from where the vDSO stashed it.
*
* WARNING: We are in CONTEXT_USER and RCU isn't paying attention!
*/
@@ -432,10 +432,10 @@ __visible long do_fast_syscall_32(struct pt_regs *regs)
* Micro-optimization: the pointer we're following is explicitly
* 32 bits, so it can't be out of range.
*/
- __get_user(*(u32 *)&regs->cx,
+ __get_user(*(u32 *)&regs->bp,
(u32 __user __force *)(unsigned long)(u32)regs->sp)
#else
- get_user(*(u32 *)&regs->cx,
+ get_user(*(u32 *)&regs->bp,
(u32 __user __force *)(unsigned long)(u32)regs->sp)
#endif
) {
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 3eb572ed3d7a..f3b6d54e0042 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -292,7 +292,7 @@ ENTRY(entry_SYSENTER_32)
movl TSS_sysenter_sp0(%esp), %esp
sysenter_past_esp:
pushl $__USER_DS /* pt_regs->ss */
- pushl %ecx /* pt_regs->cx */
+ pushl %ebp /* pt_regs->sp (stashed in bp) */
pushfl /* pt_regs->flags (except IF = 0) */
orl $X86_EFLAGS_IF, (%esp) /* Fix IF */
pushl $__USER_CS /* pt_regs->cs */
@@ -308,8 +308,9 @@ sysenter_past_esp:
movl %esp, %eax
call do_fast_syscall_32
- testl %eax, %eax
- jz .Lsyscall_32_done
+ /* XEN PV guests always use IRET path */
+ ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \
+ "jmp .Lsyscall_32_done", X86_FEATURE_XENPV
/* Opportunistic SYSEXIT */
TRACE_IRQS_ON /* User mode traces as IRQs on. */
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index c3201830a85e..6a1ae3751e82 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -63,7 +63,7 @@ ENTRY(entry_SYSENTER_compat)
/* Construct struct pt_regs on stack */
pushq $__USER32_DS /* pt_regs->ss */
- pushq %rcx /* pt_regs->sp */
+ pushq %rbp /* pt_regs->sp (stashed in bp) */
/*
* Push flags. This is nasty. First, interrupts are currently
@@ -82,14 +82,14 @@ ENTRY(entry_SYSENTER_compat)
pushq %rdi /* pt_regs->di */
pushq %rsi /* pt_regs->si */
pushq %rdx /* pt_regs->dx */
- pushq %rcx /* pt_regs->cx (will be overwritten) */
+ pushq %rcx /* pt_regs->cx */
pushq $-ENOSYS /* pt_regs->ax */
pushq %r8 /* pt_regs->r8 = 0 */
pushq %r8 /* pt_regs->r9 = 0 */
pushq %r8 /* pt_regs->r10 = 0 */
pushq %r8 /* pt_regs->r11 = 0 */
pushq %rbx /* pt_regs->rbx */
- pushq %rbp /* pt_regs->rbp */
+ pushq %rbp /* pt_regs->rbp (will be overwritten) */
pushq %r8 /* pt_regs->r12 = 0 */
pushq %r8 /* pt_regs->r13 = 0 */
pushq %r8 /* pt_regs->r14 = 0 */
@@ -121,8 +121,9 @@ sysenter_flags_fixed:
movq %rsp, %rdi
call do_fast_syscall_32
- testl %eax, %eax
- jz .Lsyscall_32_done
+ /* XEN PV guests always use IRET path */
+ ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \
+ "jmp .Lsyscall_32_done", X86_FEATURE_XENPV
jmp sysret32_from_system_call
sysenter_fix_flags:
@@ -178,7 +179,7 @@ ENTRY(entry_SYSCALL_compat)
pushq %rdi /* pt_regs->di */
pushq %rsi /* pt_regs->si */
pushq %rdx /* pt_regs->dx */
- pushq %rcx /* pt_regs->cx (will be overwritten) */
+ pushq %rbp /* pt_regs->cx (stashed in bp) */
pushq $-ENOSYS /* pt_regs->ax */
xorq %r8,%r8
pushq %r8 /* pt_regs->r8 = 0 */
@@ -186,7 +187,7 @@ ENTRY(entry_SYSCALL_compat)
pushq %r8 /* pt_regs->r10 = 0 */
pushq %r8 /* pt_regs->r11 = 0 */
pushq %rbx /* pt_regs->rbx */
- pushq %rbp /* pt_regs->rbp */
+ pushq %rbp /* pt_regs->rbp (will be overwritten) */
pushq %r8 /* pt_regs->r12 = 0 */
pushq %r8 /* pt_regs->r13 = 0 */
pushq %r8 /* pt_regs->r14 = 0 */
@@ -200,8 +201,9 @@ ENTRY(entry_SYSCALL_compat)
movq %rsp, %rdi
call do_fast_syscall_32
- testl %eax, %eax
- jz .Lsyscall_32_done
+ /* XEN PV guests always use IRET path */
+ ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \
+ "jmp .Lsyscall_32_done", X86_FEATURE_XENPV
/* Opportunistic SYSRET */
sysret32_from_system_call:
diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S
index 93bd8452383f..3a1d9297074b 100644
--- a/arch/x86/entry/vdso/vdso32/system_call.S
+++ b/arch/x86/entry/vdso/vdso32/system_call.S
@@ -1,5 +1,5 @@
/*
- * Code for the vDSO. This version uses the old int $0x80 method.
+ * AT_SYSINFO entry point
*/
#include <asm/dwarf2.h>
@@ -21,35 +21,67 @@ __kernel_vsyscall:
/*
* Reshuffle regs so that all of any of the entry instructions
* will preserve enough state.
+ *
+ * A really nice entry sequence would be:
+ * pushl %edx
+ * pushl %ecx
+ * movl %esp, %ecx
+ *
+ * Unfortunately, naughty Android versions between July and December
+ * 2015 actually hardcode the traditional Linux SYSENTER entry
+ * sequence. That is severely broken for a number of reasons (ask
+ * anyone with an AMD CPU, for example). Nonetheless, we try to keep
+ * it working approximately as well as it ever worked.
+ *
+ * This link may eludicate some of the history:
+ * https://android-review.googlesource.com/#/q/Iac3295376d61ef83e713ac9b528f3b50aa780cd7
+ * personally, I find it hard to understand what's going on there.
+ *
+ * Note to future user developers: DO NOT USE SYSENTER IN YOUR CODE.
+ * Execute an indirect call to the address in the AT_SYSINFO auxv
+ * entry. That is the ONLY correct way to make a fast 32-bit system
+ * call on Linux. (Open-coding int $0x80 is also fine, but it's
+ * slow.)
*/
+ pushl %ecx
+ CFI_ADJUST_CFA_OFFSET 4
+ CFI_REL_OFFSET ecx, 0
pushl %edx
CFI_ADJUST_CFA_OFFSET 4
CFI_REL_OFFSET edx, 0
- pushl %ecx
+ pushl %ebp
CFI_ADJUST_CFA_OFFSET 4
- CFI_REL_OFFSET ecx, 0
- movl %esp, %ecx
+ CFI_REL_OFFSET ebp, 0
+
+ #define SYSENTER_SEQUENCE "movl %esp, %ebp; sysenter"
+ #define SYSCALL_SEQUENCE "movl %ecx, %ebp; syscall"
#ifdef CONFIG_X86_64
/* If SYSENTER (Intel) or SYSCALL32 (AMD) is available, use it. */
- ALTERNATIVE_2 "", "sysenter", X86_FEATURE_SYSENTER32, \
- "syscall", X86_FEATURE_SYSCALL32
+ ALTERNATIVE_2 "", SYSENTER_SEQUENCE, X86_FEATURE_SYSENTER32, \
+ SYSCALL_SEQUENCE, X86_FEATURE_SYSCALL32
#else
- ALTERNATIVE "", "sysenter", X86_FEATURE_SEP
+ ALTERNATIVE "", SYSENTER_SEQUENCE, X86_FEATURE_SEP
#endif
/* Enter using int $0x80 */
- movl (%esp), %ecx
int $0x80
GLOBAL(int80_landing_pad)
- /* Restore ECX and EDX in case they were clobbered. */
- popl %ecx
- CFI_RESTORE ecx
+ /*
+ * Restore EDX and ECX in case they were clobbered. EBP is not
+ * clobbered (the kernel restores it), but it's cleaner and
+ * probably faster to pop it than to adjust ESP using addl.
+ */
+ popl %ebp
+ CFI_RESTORE ebp
CFI_ADJUST_CFA_OFFSET -4
popl %edx
CFI_RESTORE edx
CFI_ADJUST_CFA_OFFSET -4
+ popl %ecx
+ CFI_RESTORE ecx
+ CFI_ADJUST_CFA_OFFSET -4
ret
CFI_ENDPROC
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index e4f8010f22e0..f7ba9fbf12ee 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -216,6 +216,7 @@
#define X86_FEATURE_PAUSEFILTER ( 8*32+13) /* AMD filtered pause intercept */
#define X86_FEATURE_PFTHRESHOLD ( 8*32+14) /* AMD pause filter threshold */
#define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */
+#define X86_FEATURE_XENPV ( 8*32+16) /* "" Xen paravirtual guest */
/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 10d0596433f8..c759b3cca663 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -19,6 +19,12 @@ static inline int paravirt_enabled(void)
return pv_info.paravirt_enabled;
}
+static inline int paravirt_has_feature(unsigned int feature)
+{
+ WARN_ON_ONCE(!pv_info.paravirt_enabled);
+ return (pv_info.features & feature);
+}
+
static inline void load_sp0(struct tss_struct *tss,
struct thread_struct *thread)
{
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 31247b5bff7c..3d44191185f8 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -70,9 +70,14 @@ struct pv_info {
#endif
int paravirt_enabled;
+ unsigned int features; /* valid only if paravirt_enabled is set */
const char *name;
};
+#define paravirt_has(x) paravirt_has_feature(PV_SUPPORTED_##x)
+/* Supported features */
+#define PV_SUPPORTED_RTC (1<<0)
+
struct pv_init_ops {
/*
* Patch may replace one of the defined code sequences with
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 67522256c7ff..2d5a50cb61a2 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -472,6 +472,7 @@ static inline unsigned long current_top_of_stack(void)
#else
#define __cpuid native_cpuid
#define paravirt_enabled() 0
+#define paravirt_has(x) 0
static inline void load_sp0(struct tss_struct *tss,
struct thread_struct *thread)
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
index 38dd5efdd04c..2bd2292a316d 100644
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -193,20 +193,17 @@ static int __init numachip_system_init(void)
case 1:
init_extra_mapping_uc(NUMACHIP_LCSR_BASE, NUMACHIP_LCSR_SIZE);
numachip_apic_icr_write = numachip1_apic_icr_write;
- x86_init.pci.arch_init = pci_numachip_init;
break;
case 2:
init_extra_mapping_uc(NUMACHIP2_LCSR_BASE, NUMACHIP2_LCSR_SIZE);
numachip_apic_icr_write = numachip2_apic_icr_write;
-
- /* Use MCFG config cycles rather than locked CF8 cycles */
- raw_pci_ops = &pci_mmcfg;
break;
default:
return 0;
}
x86_cpuinit.fixup_cpu_id = fixup_cpu_id;
+ x86_init.pci.arch_init = pci_numachip_init;
return 0;
}
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index c5b0d562dbf5..7e8a736d09db 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -999,6 +999,17 @@ void do_machine_check(struct pt_regs *regs, long error_code)
int flags = MF_ACTION_REQUIRED;
int lmce = 0;
+ /* If this CPU is offline, just bail out. */
+ if (cpu_is_offline(smp_processor_id())) {
+ u64 mcgstatus;
+
+ mcgstatus = mce_rdmsrl(MSR_IA32_MCG_STATUS);
+ if (mcgstatus & MCG_STATUS_RIPV) {
+ mce_wrmsrl(MSR_IA32_MCG_STATUS, 0);
+ return;
+ }
+ }
+
ist_enter(regs);
this_cpu_inc(mce_exception_count);
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index cd9685235df9..4af8d063fb36 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -200,6 +200,9 @@ static __init int add_rtc_cmos(void)
}
#endif
+ if (paravirt_enabled() && !paravirt_has(RTC))
+ return -ENODEV;
+
platform_device_register(&rtc_device);
dev_info(&rtc_device.dev,
"registered platform RTC device (no PNP device found)\n");
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index 06332cb7e7d1..3f5c48ddba45 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -38,6 +38,14 @@ static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu)
return best && (best->ecx & bit(X86_FEATURE_XSAVE));
}
+static inline bool guest_cpuid_has_mtrr(struct kvm_vcpu *vcpu)
+{
+ struct kvm_cpuid_entry2 *best;
+
+ best = kvm_find_cpuid_entry(vcpu, 1, 0);
+ return best && (best->edx & bit(X86_FEATURE_MTRR));
+}
+
static inline bool guest_cpuid_has_tsc_adjust(struct kvm_vcpu *vcpu)
{
struct kvm_cpuid_entry2 *best;
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 08116ff227cc..b0ea42b78ccd 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -420,6 +420,7 @@ void kvm_pit_load_count(struct kvm *kvm, int channel, u32 val, int hpet_legacy_s
u8 saved_mode;
if (hpet_legacy_start) {
/* save existing mode for later reenablement */
+ WARN_ON(channel != 0);
saved_mode = kvm->arch.vpit->pit_state.channels[0].mode;
kvm->arch.vpit->pit_state.channels[0].mode = 0xff; /* disable timer */
pit_load_count(kvm, channel, val);
diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c
index 9e8bf13572e6..3f8c732117ec 100644
--- a/arch/x86/kvm/mtrr.c
+++ b/arch/x86/kvm/mtrr.c
@@ -120,14 +120,22 @@ static u8 mtrr_default_type(struct kvm_mtrr *mtrr_state)
return mtrr_state->deftype & IA32_MTRR_DEF_TYPE_TYPE_MASK;
}
-static u8 mtrr_disabled_type(void)
+static u8 mtrr_disabled_type(struct kvm_vcpu *vcpu)
{
/*
* Intel SDM 11.11.2.2: all MTRRs are disabled when
* IA32_MTRR_DEF_TYPE.E bit is cleared, and the UC
* memory type is applied to all of physical memory.
+ *
+ * However, virtual machines can be run with CPUID such that
+ * there are no MTRRs. In that case, the firmware will never
+ * enable MTRRs and it is obviously undesirable to run the
+ * guest entirely with UC memory and we use WB.
*/
- return MTRR_TYPE_UNCACHABLE;
+ if (guest_cpuid_has_mtrr(vcpu))
+ return MTRR_TYPE_UNCACHABLE;
+ else
+ return MTRR_TYPE_WRBACK;
}
/*
@@ -267,7 +275,7 @@ static int fixed_mtrr_addr_to_seg(u64 addr)
for (seg = 0; seg < seg_num; seg++) {
mtrr_seg = &fixed_seg_table[seg];
- if (mtrr_seg->start >= addr && addr < mtrr_seg->end)
+ if (mtrr_seg->start <= addr && addr < mtrr_seg->end)
return seg;
}
@@ -300,7 +308,6 @@ static void var_mtrr_range(struct kvm_mtrr_range *range, u64 *start, u64 *end)
*start = range->base & PAGE_MASK;
mask = range->mask & PAGE_MASK;
- mask |= ~0ULL << boot_cpu_data.x86_phys_bits;
/* This cannot overflow because writing to the reserved bits of
* variable MTRRs causes a #GP.
@@ -356,10 +363,14 @@ static void set_var_mtrr_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data)
if (var_mtrr_range_is_valid(cur))
list_del(&mtrr_state->var_ranges[index].node);
+ /* Extend the mask with all 1 bits to the left, since those
+ * bits must implicitly be 0. The bits are then cleared
+ * when reading them.
+ */
if (!is_mtrr_mask)
cur->base = data;
else
- cur->mask = data;
+ cur->mask = data | (-1LL << cpuid_maxphyaddr(vcpu));
/* add it to the list if it's enabled. */
if (var_mtrr_range_is_valid(cur)) {
@@ -426,6 +437,8 @@ int kvm_mtrr_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
*pdata = vcpu->arch.mtrr_state.var_ranges[index].base;
else
*pdata = vcpu->arch.mtrr_state.var_ranges[index].mask;
+
+ *pdata &= (1ULL << cpuid_maxphyaddr(vcpu)) - 1;
}
return 0;
@@ -670,7 +683,7 @@ u8 kvm_mtrr_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn)
}
if (iter.mtrr_disabled)
- return mtrr_disabled_type();
+ return mtrr_disabled_type(vcpu);
/* not contained in any MTRRs. */
if (type == -1)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 83a1c643f9a5..899c40f826dd 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3422,6 +3422,8 @@ static int handle_exit(struct kvm_vcpu *vcpu)
struct kvm_run *kvm_run = vcpu->run;
u32 exit_code = svm->vmcb->control.exit_code;
+ trace_kvm_exit(exit_code, vcpu, KVM_ISA_SVM);
+
if (!is_cr_intercept(svm, INTERCEPT_CR0_WRITE))
vcpu->arch.cr0 = svm->vmcb->save.cr0;
if (npt_enabled)
@@ -3892,8 +3894,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp;
vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip;
- trace_kvm_exit(svm->vmcb->control.exit_code, vcpu, KVM_ISA_SVM);
-
if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI))
kvm_before_handle_nmi(&svm->vcpu);
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index af823a388c19..44976a596fa6 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2803,7 +2803,7 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
msr_info->data = vcpu->arch.ia32_xss;
break;
case MSR_TSC_AUX:
- if (!guest_cpuid_has_rdtscp(vcpu))
+ if (!guest_cpuid_has_rdtscp(vcpu) && !msr_info->host_initiated)
return 1;
/* Otherwise falls through */
default:
@@ -2909,7 +2909,7 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
clear_atomic_switch_msr(vmx, MSR_IA32_XSS);
break;
case MSR_TSC_AUX:
- if (!guest_cpuid_has_rdtscp(vcpu))
+ if (!guest_cpuid_has_rdtscp(vcpu) && !msr_info->host_initiated)
return 1;
/* Check reserved bit, higher 32 bits should be zero */
if ((data >> 32) != 0)
@@ -8042,6 +8042,8 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
u32 exit_reason = vmx->exit_reason;
u32 vectoring_info = vmx->idt_vectoring_info;
+ trace_kvm_exit(exit_reason, vcpu, KVM_ISA_VMX);
+
/*
* Flush logged GPAs PML buffer, this will make dirty_bitmap more
* updated. Another good is, in kvm_vm_ioctl_get_dirty_log, before
@@ -8668,7 +8670,6 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
vmx->loaded_vmcs->launched = 1;
vmx->exit_reason = vmcs_read32(VM_EXIT_REASON);
- trace_kvm_exit(vmx->exit_reason, vcpu, KVM_ISA_VMX);
/*
* the KVM_REQ_EVENT optimization bit is only on for one entry, and if
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index eed32283d22c..97592e190413 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3572,9 +3572,11 @@ static int kvm_vm_ioctl_get_pit(struct kvm *kvm, struct kvm_pit_state *ps)
static int kvm_vm_ioctl_set_pit(struct kvm *kvm, struct kvm_pit_state *ps)
{
+ int i;
mutex_lock(&kvm->arch.vpit->pit_state.lock);
memcpy(&kvm->arch.vpit->pit_state, ps, sizeof(struct kvm_pit_state));
- kvm_pit_load_count(kvm, 0, ps->channels[0].count, 0);
+ for (i = 0; i < 3; i++)
+ kvm_pit_load_count(kvm, i, ps->channels[i].count, 0);
mutex_unlock(&kvm->arch.vpit->pit_state.lock);
return 0;
}
@@ -3593,6 +3595,7 @@ static int kvm_vm_ioctl_get_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
{
int start = 0;
+ int i;
u32 prev_legacy, cur_legacy;
mutex_lock(&kvm->arch.vpit->pit_state.lock);
prev_legacy = kvm->arch.vpit->pit_state.flags & KVM_PIT_FLAGS_HPET_LEGACY;
@@ -3602,7 +3605,9 @@ static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
memcpy(&kvm->arch.vpit->pit_state.channels, &ps->channels,
sizeof(kvm->arch.vpit->pit_state.channels));
kvm->arch.vpit->pit_state.flags = ps->flags;
- kvm_pit_load_count(kvm, 0, kvm->arch.vpit->pit_state.channels[0].count, start);
+ for (i = 0; i < 3; i++)
+ kvm_pit_load_count(kvm, i, kvm->arch.vpit->pit_state.channels[i].count,
+ start && i == 0);
mutex_unlock(&kvm->arch.vpit->pit_state.lock);
return 0;
}
@@ -6515,6 +6520,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
if (req_immediate_exit)
smp_send_reschedule(vcpu->cpu);
+ trace_kvm_entry(vcpu->vcpu_id);
+ wait_lapic_expire(vcpu);
__kvm_guest_enter();
if (unlikely(vcpu->arch.switch_db_regs)) {
@@ -6527,8 +6534,6 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD;
}
- trace_kvm_entry(vcpu->vcpu_id);
- wait_lapic_expire(vcpu);
kvm_x86_ops->run(vcpu);
/*
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index a0d09f6c6533..a43b2eafc466 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1414,6 +1414,7 @@ __init void lguest_init(void)
pv_info.kernel_rpl = 1;
/* Everyone except Xen runs with this set. */
pv_info.shared_kernel_pmd = 1;
+ pv_info.features = 0;
/*
* We set up all the lguest overrides for sensitive operations. These
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index a035c2aa7801..0f1c6fc3ddd8 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -89,7 +89,7 @@ static struct addr_marker address_markers[] = {
{ 0/* VMALLOC_START */, "vmalloc() Area" },
{ 0/*VMALLOC_END*/, "vmalloc() End" },
# ifdef CONFIG_HIGHMEM
- { 0/*PKMAP_BASE*/, "Persisent kmap() Area" },
+ { 0/*PKMAP_BASE*/, "Persistent kmap() Area" },
# endif
{ 0/*FIXADDR_START*/, "Fixmap Area" },
#endif
diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c
index e5f854ce2d72..14fcd01ed992 100644
--- a/arch/x86/um/signal.c
+++ b/arch/x86/um/signal.c
@@ -470,7 +470,7 @@ long sys_sigreturn(void)
struct sigcontext __user *sc = &frame->sc;
int sig_size = (_NSIG_WORDS - 1) * sizeof(unsigned long);
- if (copy_from_user(&set.sig[0], (void *)sc->oldmask, sizeof(set.sig[0])) ||
+ if (copy_from_user(&set.sig[0], &sc->oldmask, sizeof(set.sig[0])) ||
copy_from_user(&set.sig[1], frame->extramask, sig_size))
goto segfault;
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 5774800ff583..b7de78bdc09c 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1192,7 +1192,7 @@ static const struct pv_info xen_info __initconst = {
#ifdef CONFIG_X86_64
.extra_user_64bit_cs = FLAT_USER_CS64,
#endif
-
+ .features = 0,
.name = "Xen",
};
@@ -1535,6 +1535,8 @@ asmlinkage __visible void __init xen_start_kernel(void)
/* Install Xen paravirt ops */
pv_info = xen_info;
+ if (xen_initial_domain())
+ pv_info.features |= PV_SUPPORTED_RTC;
pv_init_ops = xen_init_ops;
pv_apic_ops = xen_apic_ops;
if (!xen_pvh_domain()) {
@@ -1886,8 +1888,10 @@ EXPORT_SYMBOL_GPL(xen_hvm_need_lapic);
static void xen_set_cpu_features(struct cpuinfo_x86 *c)
{
- if (xen_pv_domain())
+ if (xen_pv_domain()) {
clear_cpu_bug(c, X86_BUG_SYSRET_SS_ATTRS);
+ set_cpu_cap(c, X86_FEATURE_XENPV);
+ }
}
const struct hypervisor_x86 x86_hyper_xen = {
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index ac161db63388..cb5e266a8bf7 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2495,14 +2495,9 @@ void __init xen_init_mmu_ops(void)
{
x86_init.paging.pagetable_init = xen_pagetable_init;
- /* Optimization - we can use the HVM one but it has no idea which
- * VCPUs are descheduled - which means that it will needlessly IPI
- * them. Xen knows so let it do the job.
- */
- if (xen_feature(XENFEAT_auto_translated_physmap)) {
- pv_mmu_ops.flush_tlb_others = xen_flush_tlb_others;
+ if (xen_feature(XENFEAT_auto_translated_physmap))
return;
- }
+
pv_mmu_ops = xen_mmu_ops;
memset(dummy_mapping, 0xff, PAGE_SIZE);
diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c
index feddabdab448..df0c40559583 100644
--- a/arch/x86/xen/suspend.c
+++ b/arch/x86/xen/suspend.c
@@ -1,6 +1,7 @@
#include <linux/types.h>
#include <linux/tick.h>
+#include <xen/xen.h>
#include <xen/interface/xen.h>
#include <xen/grant_table.h>
#include <xen/events.h>
@@ -68,26 +69,16 @@ static void xen_pv_post_suspend(int suspend_cancelled)
void xen_arch_pre_suspend(void)
{
- int cpu;
-
- for_each_online_cpu(cpu)
- xen_pmu_finish(cpu);
-
if (xen_pv_domain())
xen_pv_pre_suspend();
}
void xen_arch_post_suspend(int cancelled)
{
- int cpu;
-
if (xen_pv_domain())
xen_pv_post_suspend(cancelled);
else
xen_hvm_post_suspend(cancelled);
-
- for_each_online_cpu(cpu)
- xen_pmu_init(cpu);
}
static void xen_vcpu_notify_restore(void *data)
@@ -106,10 +97,20 @@ static void xen_vcpu_notify_suspend(void *data)
void xen_arch_resume(void)
{
+ int cpu;
+
on_each_cpu(xen_vcpu_notify_restore, NULL, 1);
+
+ for_each_online_cpu(cpu)
+ xen_pmu_init(cpu);
}
void xen_arch_suspend(void)
{
+ int cpu;
+
+ for_each_online_cpu(cpu)
+ xen_pmu_finish(cpu);
+
on_each_cpu(xen_vcpu_notify_suspend, NULL, 1);
}
diff --git a/block/blk-core.c b/block/blk-core.c
index 3636be469fa2..33e2f62d5062 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -207,6 +207,22 @@ void blk_delay_queue(struct request_queue *q, unsigned long msecs)
EXPORT_SYMBOL(blk_delay_queue);
/**
+ * blk_start_queue_async - asynchronously restart a previously stopped queue
+ * @q: The &struct request_queue in question
+ *
+ * Description:
+ * blk_start_queue_async() will clear the stop flag on the queue, and
+ * ensure that the request_fn for the queue is run from an async
+ * context.
+ **/
+void blk_start_queue_async(struct request_queue *q)
+{
+ queue_flag_clear(QUEUE_FLAG_STOPPED, q);
+ blk_run_queue_async(q);
+}
+EXPORT_SYMBOL(blk_start_queue_async);
+
+/**
* blk_start_queue - restart a previously stopped queue
* @q: The &struct request_queue in question
*
@@ -1689,8 +1705,6 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio)
struct request *req;
unsigned int request_count = 0;
- blk_queue_split(q, &bio, q->bio_split);
-
/*
* low level driver can indicate that it wants pages above a
* certain limit bounced to low memory (ie for highmem, or even
@@ -1698,6 +1712,8 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio)
*/
blk_queue_bounce(q, &bio);
+ blk_queue_split(q, &bio, q->bio_split);
+
if (bio_integrity_enabled(bio) && bio_integrity_prep(bio)) {
bio->bi_error = -EIO;
bio_endio(bio);
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index b4ffc5be1a93..e5b5721809e2 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -277,12 +277,12 @@ static int ablkcipher_walk_first(struct ablkcipher_request *req,
if (WARN_ON_ONCE(in_irq()))
return -EDEADLK;
+ walk->iv = req->info;
walk->nbytes = walk->total;
if (unlikely(!walk->total))
return 0;
walk->iv_buffer = NULL;
- walk->iv = req->info;
if (unlikely(((unsigned long)walk->iv & alignmask))) {
int err = ablkcipher_copy_iv(walk, tfm, alignmask);
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index ca9efe17db1a..634b4d1ab681 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -47,7 +47,7 @@ struct skcipher_ctx {
bool merge;
bool enc;
- struct ablkcipher_request req;
+ struct skcipher_request req;
};
struct skcipher_async_rsgl {
@@ -64,13 +64,13 @@ struct skcipher_async_req {
};
#define GET_SREQ(areq, ctx) (struct skcipher_async_req *)((char *)areq + \
- crypto_ablkcipher_reqsize(crypto_ablkcipher_reqtfm(&ctx->req)))
+ crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req)))
#define GET_REQ_SIZE(ctx) \
- crypto_ablkcipher_reqsize(crypto_ablkcipher_reqtfm(&ctx->req))
+ crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req))
#define GET_IV_SIZE(ctx) \
- crypto_ablkcipher_ivsize(crypto_ablkcipher_reqtfm(&ctx->req))
+ crypto_skcipher_ivsize(crypto_skcipher_reqtfm(&ctx->req))
#define MAX_SGL_ENTS ((4096 - sizeof(struct skcipher_sg_list)) / \
sizeof(struct scatterlist) - 1)
@@ -302,8 +302,8 @@ static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg,
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req);
- unsigned ivsize = crypto_ablkcipher_ivsize(tfm);
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req);
+ unsigned ivsize = crypto_skcipher_ivsize(tfm);
struct skcipher_sg_list *sgl;
struct af_alg_control con = {};
long copied = 0;
@@ -507,7 +507,7 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
struct skcipher_async_req *sreq;
- struct ablkcipher_request *req;
+ struct skcipher_request *req;
struct skcipher_async_rsgl *last_rsgl = NULL;
unsigned int txbufs = 0, len = 0, tx_nents = skcipher_all_sg_nents(ctx);
unsigned int reqlen = sizeof(struct skcipher_async_req) +
@@ -531,9 +531,9 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
}
sg_init_table(sreq->tsg, tx_nents);
memcpy(sreq->iv, ctx->iv, GET_IV_SIZE(ctx));
- ablkcipher_request_set_tfm(req, crypto_ablkcipher_reqtfm(&ctx->req));
- ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
- skcipher_async_cb, sk);
+ skcipher_request_set_tfm(req, crypto_skcipher_reqtfm(&ctx->req));
+ skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ skcipher_async_cb, sk);
while (iov_iter_count(&msg->msg_iter)) {
struct skcipher_async_rsgl *rsgl;
@@ -608,10 +608,10 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
if (mark)
sg_mark_end(sreq->tsg + txbufs - 1);
- ablkcipher_request_set_crypt(req, sreq->tsg, sreq->first_sgl.sgl.sg,
- len, sreq->iv);
- err = ctx->enc ? crypto_ablkcipher_encrypt(req) :
- crypto_ablkcipher_decrypt(req);
+ skcipher_request_set_crypt(req, sreq->tsg, sreq->first_sgl.sgl.sg,
+ len, sreq->iv);
+ err = ctx->enc ? crypto_skcipher_encrypt(req) :
+ crypto_skcipher_decrypt(req);
if (err == -EINPROGRESS) {
atomic_inc(&ctx->inflight);
err = -EIOCBQUEUED;
@@ -632,7 +632,7 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
- unsigned bs = crypto_ablkcipher_blocksize(crypto_ablkcipher_reqtfm(
+ unsigned bs = crypto_skcipher_blocksize(crypto_skcipher_reqtfm(
&ctx->req));
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
@@ -669,14 +669,13 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
if (!used)
goto free;
- ablkcipher_request_set_crypt(&ctx->req, sg,
- ctx->rsgl.sg, used,
- ctx->iv);
+ skcipher_request_set_crypt(&ctx->req, sg, ctx->rsgl.sg, used,
+ ctx->iv);
err = af_alg_wait_for_completion(
ctx->enc ?
- crypto_ablkcipher_encrypt(&ctx->req) :
- crypto_ablkcipher_decrypt(&ctx->req),
+ crypto_skcipher_encrypt(&ctx->req) :
+ crypto_skcipher_decrypt(&ctx->req),
&ctx->completion);
free:
@@ -751,17 +750,17 @@ static struct proto_ops algif_skcipher_ops = {
static void *skcipher_bind(const char *name, u32 type, u32 mask)
{
- return crypto_alloc_ablkcipher(name, type, mask);
+ return crypto_alloc_skcipher(name, type, mask);
}
static void skcipher_release(void *private)
{
- crypto_free_ablkcipher(private);
+ crypto_free_skcipher(private);
}
static int skcipher_setkey(void *private, const u8 *key, unsigned int keylen)
{
- return crypto_ablkcipher_setkey(private, key, keylen);
+ return crypto_skcipher_setkey(private, key, keylen);
}
static void skcipher_wait(struct sock *sk)
@@ -778,13 +777,13 @@ static void skcipher_sock_destruct(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct skcipher_ctx *ctx = ask->private;
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req);
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req);
if (atomic_read(&ctx->inflight))
skcipher_wait(sk);
skcipher_free_sgl(sk);
- sock_kzfree_s(sk, ctx->iv, crypto_ablkcipher_ivsize(tfm));
+ sock_kzfree_s(sk, ctx->iv, crypto_skcipher_ivsize(tfm));
sock_kfree_s(sk, ctx, ctx->len);
af_alg_release_parent(sk);
}
@@ -793,20 +792,20 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
{
struct skcipher_ctx *ctx;
struct alg_sock *ask = alg_sk(sk);
- unsigned int len = sizeof(*ctx) + crypto_ablkcipher_reqsize(private);
+ unsigned int len = sizeof(*ctx) + crypto_skcipher_reqsize(private);
ctx = sock_kmalloc(sk, len, GFP_KERNEL);
if (!ctx)
return -ENOMEM;
- ctx->iv = sock_kmalloc(sk, crypto_ablkcipher_ivsize(private),
+ ctx->iv = sock_kmalloc(sk, crypto_skcipher_ivsize(private),
GFP_KERNEL);
if (!ctx->iv) {
sock_kfree_s(sk, ctx, len);
return -ENOMEM;
}
- memset(ctx->iv, 0, crypto_ablkcipher_ivsize(private));
+ memset(ctx->iv, 0, crypto_skcipher_ivsize(private));
INIT_LIST_HEAD(&ctx->tsgl);
ctx->len = len;
@@ -819,9 +818,9 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
ask->private = ctx;
- ablkcipher_request_set_tfm(&ctx->req, private);
- ablkcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG,
- af_alg_complete, &ctx->completion);
+ skcipher_request_set_tfm(&ctx->req, private);
+ skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ af_alg_complete, &ctx->completion);
sk->sk_destruct = skcipher_sock_destruct;
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c
index f8c0b8dbeb75..88bc8e6b2a54 100644
--- a/crypto/async_tx/async_memcpy.c
+++ b/crypto/async_tx/async_memcpy.c
@@ -53,7 +53,7 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
struct dmaengine_unmap_data *unmap = NULL;
if (device)
- unmap = dmaengine_get_unmap_data(device->dev, 2, GFP_NOIO);
+ unmap = dmaengine_get_unmap_data(device->dev, 2, GFP_NOWAIT);
if (unmap && is_dma_copy_aligned(device, src_offset, dest_offset, len)) {
unsigned long dma_prep_flags = 0;
diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c
index 5d355e0c2633..c0748bbd4c08 100644
--- a/crypto/async_tx/async_pq.c
+++ b/crypto/async_tx/async_pq.c
@@ -188,7 +188,7 @@ async_gen_syndrome(struct page **blocks, unsigned int offset, int disks,
BUG_ON(disks > 255 || !(P(blocks, disks) || Q(blocks, disks)));
if (device)
- unmap = dmaengine_get_unmap_data(device->dev, disks, GFP_NOIO);
+ unmap = dmaengine_get_unmap_data(device->dev, disks, GFP_NOWAIT);
/* XORing P/Q is only implemented in software */
if (unmap && !(submit->flags & ASYNC_TX_PQ_XOR_DST) &&
@@ -307,7 +307,7 @@ async_syndrome_val(struct page **blocks, unsigned int offset, int disks,
BUG_ON(disks < 4);
if (device)
- unmap = dmaengine_get_unmap_data(device->dev, disks, GFP_NOIO);
+ unmap = dmaengine_get_unmap_data(device->dev, disks, GFP_NOWAIT);
if (unmap && disks <= dma_maxpq(device, 0) &&
is_dma_pq_aligned(device, offset, 0, len)) {
diff --git a/crypto/async_tx/async_raid6_recov.c b/crypto/async_tx/async_raid6_recov.c
index 934a84981495..8fab6275ea1f 100644
--- a/crypto/async_tx/async_raid6_recov.c
+++ b/crypto/async_tx/async_raid6_recov.c
@@ -41,7 +41,7 @@ async_sum_product(struct page *dest, struct page **srcs, unsigned char *coef,
u8 *a, *b, *c;
if (dma)
- unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOIO);
+ unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOWAIT);
if (unmap) {
struct device *dev = dma->dev;
@@ -105,7 +105,7 @@ async_mult(struct page *dest, struct page *src, u8 coef, size_t len,
u8 *d, *s;
if (dma)
- unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOIO);
+ unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOWAIT);
if (unmap) {
dma_addr_t dma_dest[2];
diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index e1bce26cd4f9..da75777f2b3f 100644
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -182,7 +182,7 @@ async_xor(struct page *dest, struct page **src_list, unsigned int offset,
BUG_ON(src_cnt <= 1);
if (device)
- unmap = dmaengine_get_unmap_data(device->dev, src_cnt+1, GFP_NOIO);
+ unmap = dmaengine_get_unmap_data(device->dev, src_cnt+1, GFP_NOWAIT);
if (unmap && is_dma_xor_aligned(device, offset, 0, len)) {
struct dma_async_tx_descriptor *tx;
@@ -278,7 +278,7 @@ async_xor_val(struct page *dest, struct page **src_list, unsigned int offset,
BUG_ON(src_cnt <= 1);
if (device)
- unmap = dmaengine_get_unmap_data(device->dev, src_cnt, GFP_NOIO);
+ unmap = dmaengine_get_unmap_data(device->dev, src_cnt, GFP_NOWAIT);
if (unmap && src_cnt <= device->max_xor &&
is_dma_xor_aligned(device, offset, 0, len)) {
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 11b981492031..8cc1622b2ee0 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -326,12 +326,12 @@ static int blkcipher_walk_first(struct blkcipher_desc *desc,
if (WARN_ON_ONCE(in_irq()))
return -EDEADLK;
+ walk->iv = desc->info;
walk->nbytes = walk->total;
if (unlikely(!walk->total))
return 0;
walk->buffer = NULL;
- walk->iv = desc->info;
if (unlikely(((unsigned long)walk->iv & walk->alignmask))) {
int err = blkcipher_copy_iv(walk);
if (err)
diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index 707cf6213bc2..b9afb47db7ed 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -104,7 +104,7 @@ static void acpi_expose_nondev_subnodes(struct kobject *kobj,
init_completion(&dn->kobj_done);
ret = kobject_init_and_add(&dn->kobj, &acpi_data_node_ktype,
- kobj, dn->name);
+ kobj, "%s", dn->name);
if (ret)
acpi_handle_err(dn->handle, "Failed to expose (%d)\n", ret);
else
diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c
index e7ed39bab97d..aa45d4802707 100644
--- a/drivers/acpi/nfit.c
+++ b/drivers/acpi/nfit.c
@@ -1810,7 +1810,7 @@ static void acpi_nfit_notify(struct acpi_device *adev, u32 event)
if (!dev->driver) {
/* dev->driver may be null if we're being removed */
dev_dbg(dev, "%s: no driver found for dev\n", __func__);
- return;
+ goto out_unlock;
}
if (!acpi_desc) {
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index f4e02ae93f58..11154a330f07 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -200,7 +200,8 @@ static int acpi_pss_perf_init(struct acpi_processor *pr,
goto err_remove_sysfs_thermal;
}
- sysfs_remove_link(&pr->cdev->device.kobj, "device");
+ return 0;
+
err_remove_sysfs_thermal:
sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
err_thermal_unregister:
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 167418e73445..65f50eccd49b 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -390,6 +390,7 @@ static int pm_genpd_runtime_suspend(struct device *dev)
struct generic_pm_domain *genpd;
bool (*stop_ok)(struct device *__dev);
struct gpd_timing_data *td = &dev_gpd_data(dev)->td;
+ bool runtime_pm = pm_runtime_enabled(dev);
ktime_t time_start;
s64 elapsed_ns;
int ret;
@@ -400,12 +401,19 @@ static int pm_genpd_runtime_suspend(struct device *dev)
if (IS_ERR(genpd))
return -EINVAL;
+ /*
+ * A runtime PM centric subsystem/driver may re-use the runtime PM
+ * callbacks for other purposes than runtime PM. In those scenarios
+ * runtime PM is disabled. Under these circumstances, we shall skip
+ * validating/measuring the PM QoS latency.
+ */
stop_ok = genpd->gov ? genpd->gov->stop_ok : NULL;
- if (stop_ok && !stop_ok(dev))
+ if (runtime_pm && stop_ok && !stop_ok(dev))
return -EBUSY;
/* Measure suspend latency. */
- time_start = ktime_get();
+ if (runtime_pm)
+ time_start = ktime_get();
ret = genpd_save_dev(genpd, dev);
if (ret)
@@ -418,13 +426,15 @@ static int pm_genpd_runtime_suspend(struct device *dev)
}
/* Update suspend latency value if the measured time exceeds it. */
- elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start));
- if (elapsed_ns > td->suspend_latency_ns) {
- td->suspend_latency_ns = elapsed_ns;
- dev_dbg(dev, "suspend latency exceeded, %lld ns\n",
- elapsed_ns);
- genpd->max_off_time_changed = true;
- td->constraint_changed = true;
+ if (runtime_pm) {
+ elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start));
+ if (elapsed_ns > td->suspend_latency_ns) {
+ td->suspend_latency_ns = elapsed_ns;
+ dev_dbg(dev, "suspend latency exceeded, %lld ns\n",
+ elapsed_ns);
+ genpd->max_off_time_changed = true;
+ td->constraint_changed = true;
+ }
}
/*
@@ -453,6 +463,7 @@ static int pm_genpd_runtime_resume(struct device *dev)
{
struct generic_pm_domain *genpd;
struct gpd_timing_data *td = &dev_gpd_data(dev)->td;
+ bool runtime_pm = pm_runtime_enabled(dev);
ktime_t time_start;
s64 elapsed_ns;
int ret;
@@ -479,14 +490,14 @@ static int pm_genpd_runtime_resume(struct device *dev)
out:
/* Measure resume latency. */
- if (timed)
+ if (timed && runtime_pm)
time_start = ktime_get();
genpd_start_dev(genpd, dev);
genpd_restore_dev(genpd, dev);
/* Update resume latency value if the measured time exceeds it. */
- if (timed) {
+ if (timed && runtime_pm) {
elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start));
if (elapsed_ns > td->resume_latency_ns) {
td->resume_latency_ns = elapsed_ns;
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 8162475d96b5..09e3c0d87ecc 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -219,6 +219,9 @@ static void end_cmd(struct nullb_cmd *cmd)
{
struct request_queue *q = NULL;
+ if (cmd->rq)
+ q = cmd->rq->q;
+
switch (queue_mode) {
case NULL_Q_MQ:
blk_mq_end_request(cmd->rq, 0);
@@ -229,23 +232,19 @@ static void end_cmd(struct nullb_cmd *cmd)
break;
case NULL_Q_BIO:
bio_endio(cmd->bio);
- goto free_cmd;
+ break;
}
- if (cmd->rq)
- q = cmd->rq->q;
+ free_cmd(cmd);
/* Restart queue if needed, as we are freeing a tag */
- if (q && !q->mq_ops && blk_queue_stopped(q)) {
+ if (queue_mode == NULL_Q_RQ && blk_queue_stopped(q)) {
unsigned long flags;
spin_lock_irqsave(q->queue_lock, flags);
- if (blk_queue_stopped(q))
- blk_start_queue(q);
+ blk_start_queue_async(q);
spin_unlock_irqrestore(q->queue_lock, flags);
}
-free_cmd:
- free_cmd(cmd);
}
static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer)
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index f9099940c272..41fb1a917b17 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -950,6 +950,8 @@ static int xen_blkbk_parse_indirect(struct blkif_request *req,
goto unmap;
for (n = 0, i = 0; n < nseg; n++) {
+ uint8_t first_sect, last_sect;
+
if ((n % SEGS_PER_INDIRECT_FRAME) == 0) {
/* Map indirect segments */
if (segments)
@@ -957,15 +959,18 @@ static int xen_blkbk_parse_indirect(struct blkif_request *req,
segments = kmap_atomic(pages[n/SEGS_PER_INDIRECT_FRAME]->page);
}
i = n % SEGS_PER_INDIRECT_FRAME;
+
pending_req->segments[n]->gref = segments[i].gref;
- seg[n].nsec = segments[i].last_sect -
- segments[i].first_sect + 1;
- seg[n].offset = (segments[i].first_sect << 9);
- if ((segments[i].last_sect >= (XEN_PAGE_SIZE >> 9)) ||
- (segments[i].last_sect < segments[i].first_sect)) {
+
+ first_sect = READ_ONCE(segments[i].first_sect);
+ last_sect = READ_ONCE(segments[i].last_sect);
+ if (last_sect >= (XEN_PAGE_SIZE >> 9) || last_sect < first_sect) {
rc = -EINVAL;
goto unmap;
}
+
+ seg[n].nsec = last_sect - first_sect + 1;
+ seg[n].offset = first_sect << 9;
preq->nr_sects += seg[n].nsec;
}
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index 68e87a037b99..c929ae22764c 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -408,8 +408,8 @@ static inline void blkif_get_x86_32_req(struct blkif_request *dst,
struct blkif_x86_32_request *src)
{
int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST, j;
- dst->operation = src->operation;
- switch (src->operation) {
+ dst->operation = READ_ONCE(src->operation);
+ switch (dst->operation) {
case BLKIF_OP_READ:
case BLKIF_OP_WRITE:
case BLKIF_OP_WRITE_BARRIER:
@@ -456,8 +456,8 @@ static inline void blkif_get_x86_64_req(struct blkif_request *dst,
struct blkif_x86_64_request *src)
{
int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST, j;
- dst->operation = src->operation;
- switch (src->operation) {
+ dst->operation = READ_ONCE(src->operation);
+ switch (dst->operation) {
case BLKIF_OP_READ:
case BLKIF_OP_WRITE:
case BLKIF_OP_WRITE_BARRIER:
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 846bc29c157d..25996e256110 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -342,13 +342,13 @@ static int sunxi_rsb_read(struct sunxi_rsb *rsb, u8 rtaddr, u8 addr,
ret = _sunxi_rsb_run_xfer(rsb);
if (ret)
- goto out;
+ goto unlock;
*buf = readl(rsb->regs + RSB_DATA);
+unlock:
mutex_unlock(&rsb->lock);
-out:
return ret;
}
@@ -527,9 +527,9 @@ static int sunxi_rsb_init_device_mode(struct sunxi_rsb *rsb)
*/
static const struct sunxi_rsb_addr_map sunxi_rsb_addr_maps[] = {
- { 0x3e3, 0x2d }, /* Primary PMIC: AXP223, AXP809, AXP81X, ... */
+ { 0x3a3, 0x2d }, /* Primary PMIC: AXP223, AXP809, AXP81X, ... */
{ 0x745, 0x3a }, /* Secondary PMIC: AXP806, ... */
- { 0xe89, 0x45 }, /* Peripheral IC: AC100, ... */
+ { 0xe89, 0x4e }, /* Peripheral IC: AC100, ... */
};
static u8 sunxi_rsb_get_rtaddr(u16 hwaddr)
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index d7373ca69c99..25693b045371 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -179,26 +179,21 @@ static int cn_call_callback(struct sk_buff *skb)
*
* It checks skb, netlink header and msg sizes, and calls callback helper.
*/
-static void cn_rx_skb(struct sk_buff *__skb)
+static void cn_rx_skb(struct sk_buff *skb)
{
struct nlmsghdr *nlh;
- struct sk_buff *skb;
int len, err;
- skb = skb_get(__skb);
-
if (skb->len >= NLMSG_HDRLEN) {
nlh = nlmsg_hdr(skb);
len = nlmsg_len(nlh);
if (len < (int)sizeof(struct cn_msg) ||
skb->len < nlh->nlmsg_len ||
- len > CONNECTOR_MAX_MSG_SIZE) {
- kfree_skb(skb);
+ len > CONNECTOR_MAX_MSG_SIZE)
return;
- }
- err = cn_call_callback(skb);
+ err = cn_call_callback(skb_get(skb));
if (err < 0)
kfree_skb(skb);
}
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 235a1ba73d92..b1f8a73e5a94 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -226,7 +226,7 @@ config ARM_TEGRA20_CPUFREQ
config ARM_TEGRA124_CPUFREQ
tristate "Tegra124 CPUFreq support"
- depends on ARCH_TEGRA && CPUFREQ_DT
+ depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
default y
help
This adds the CPUFreq driver support for Tegra124 SOCs.
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 4d07cbd2b23c..98fb8821382d 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1123,7 +1123,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
limits->max_sysfs_pct);
limits->max_perf_pct = max(limits->min_policy_pct,
limits->max_perf_pct);
- limits->max_perf = round_up(limits->max_perf, 8);
+ limits->max_perf = round_up(limits->max_perf, FRAC_BITS);
/* Make sure min_perf_pct <= max_perf_pct */
limits->min_perf_pct = min(limits->max_perf_pct, limits->min_perf_pct);
diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c
index 2c3b16fd3a01..de5e89b2eaaa 100644
--- a/drivers/cpufreq/scpi-cpufreq.c
+++ b/drivers/cpufreq/scpi-cpufreq.c
@@ -31,7 +31,7 @@ static struct scpi_ops *scpi_ops;
static struct scpi_dvfs_info *scpi_get_dvfs_info(struct device *cpu_dev)
{
- u8 domain = topology_physical_package_id(cpu_dev->id);
+ int domain = topology_physical_package_id(cpu_dev->id);
if (domain < 0)
return ERR_PTR(-EINVAL);
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 7f039de143f0..370c661c7d7b 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -156,7 +156,7 @@
#define AT_XDMAC_CC_WRIP (0x1 << 23) /* Write in Progress (read only) */
#define AT_XDMAC_CC_WRIP_DONE (0x0 << 23)
#define AT_XDMAC_CC_WRIP_IN_PROGRESS (0x1 << 23)
-#define AT_XDMAC_CC_PERID(i) (0x7f & (h) << 24) /* Channel Peripheral Identifier */
+#define AT_XDMAC_CC_PERID(i) (0x7f & (i) << 24) /* Channel Peripheral Identifier */
#define AT_XDMAC_CDS_MSP 0x2C /* Channel Data Stride Memory Set Pattern */
#define AT_XDMAC_CSUS 0x30 /* Channel Source Microblock Stride */
#define AT_XDMAC_CDUS 0x34 /* Channel Destination Microblock Stride */
@@ -965,7 +965,9 @@ at_xdmac_prep_interleaved(struct dma_chan *chan,
NULL,
src_addr, dst_addr,
xt, xt->sgl);
- for (i = 0; i < xt->numf; i++)
+
+ /* Length of the block is (BLEN+1) microblocks. */
+ for (i = 0; i < xt->numf - 1; i++)
at_xdmac_increment_block_count(chan, first);
dev_dbg(chan2dev(chan), "%s: add desc 0x%p to descs_list 0x%p\n",
@@ -1086,6 +1088,7 @@ at_xdmac_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
/* Check remaining length and change data width if needed. */
dwidth = at_xdmac_align_width(chan,
src_addr | dst_addr | xfer_size);
+ chan_cc &= ~AT_XDMAC_CC_DWIDTH_MASK;
chan_cc |= AT_XDMAC_CC_DWIDTH(dwidth);
ublen = xfer_size >> dwidth;
@@ -1333,7 +1336,7 @@ at_xdmac_prep_dma_memset_sg(struct dma_chan *chan, struct scatterlist *sgl,
* since we don't care about the stride anymore.
*/
if ((i == (sg_len - 1)) &&
- sg_dma_len(ppsg) == sg_dma_len(psg)) {
+ sg_dma_len(psg) == sg_dma_len(sg)) {
dev_dbg(chan2dev(chan),
"%s: desc 0x%p can be merged with desc 0x%p\n",
__func__, desc, pdesc);
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index c92d6a70ccf3..996c4b00d323 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -31,6 +31,7 @@
*/
#include <linux/dmaengine.h>
#include <linux/dma-mapping.h>
+#include <linux/dmapool.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/interrupt.h>
@@ -62,6 +63,11 @@ struct bcm2835_dma_cb {
uint32_t pad[2];
};
+struct bcm2835_cb_entry {
+ struct bcm2835_dma_cb *cb;
+ dma_addr_t paddr;
+};
+
struct bcm2835_chan {
struct virt_dma_chan vc;
struct list_head node;
@@ -72,18 +78,18 @@ struct bcm2835_chan {
int ch;
struct bcm2835_desc *desc;
+ struct dma_pool *cb_pool;
void __iomem *chan_base;
int irq_number;
};
struct bcm2835_desc {
+ struct bcm2835_chan *c;
struct virt_dma_desc vd;
enum dma_transfer_direction dir;
- unsigned int control_block_size;
- struct bcm2835_dma_cb *control_block_base;
- dma_addr_t control_block_base_phys;
+ struct bcm2835_cb_entry *cb_list;
unsigned int frames;
size_t size;
@@ -143,10 +149,13 @@ static inline struct bcm2835_desc *to_bcm2835_dma_desc(
static void bcm2835_dma_desc_free(struct virt_dma_desc *vd)
{
struct bcm2835_desc *desc = container_of(vd, struct bcm2835_desc, vd);
- dma_free_coherent(desc->vd.tx.chan->device->dev,
- desc->control_block_size,
- desc->control_block_base,
- desc->control_block_base_phys);
+ int i;
+
+ for (i = 0; i < desc->frames; i++)
+ dma_pool_free(desc->c->cb_pool, desc->cb_list[i].cb,
+ desc->cb_list[i].paddr);
+
+ kfree(desc->cb_list);
kfree(desc);
}
@@ -199,7 +208,7 @@ static void bcm2835_dma_start_desc(struct bcm2835_chan *c)
c->desc = d = to_bcm2835_dma_desc(&vd->tx);
- writel(d->control_block_base_phys, c->chan_base + BCM2835_DMA_ADDR);
+ writel(d->cb_list[0].paddr, c->chan_base + BCM2835_DMA_ADDR);
writel(BCM2835_DMA_ACTIVE, c->chan_base + BCM2835_DMA_CS);
}
@@ -232,9 +241,16 @@ static irqreturn_t bcm2835_dma_callback(int irq, void *data)
static int bcm2835_dma_alloc_chan_resources(struct dma_chan *chan)
{
struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
+ struct device *dev = c->vc.chan.device->dev;
+
+ dev_dbg(dev, "Allocating DMA channel %d\n", c->ch);
- dev_dbg(c->vc.chan.device->dev,
- "Allocating DMA channel %d\n", c->ch);
+ c->cb_pool = dma_pool_create(dev_name(dev), dev,
+ sizeof(struct bcm2835_dma_cb), 0, 0);
+ if (!c->cb_pool) {
+ dev_err(dev, "unable to allocate descriptor pool\n");
+ return -ENOMEM;
+ }
return request_irq(c->irq_number,
bcm2835_dma_callback, 0, "DMA IRQ", c);
@@ -246,6 +262,7 @@ static void bcm2835_dma_free_chan_resources(struct dma_chan *chan)
vchan_free_chan_resources(&c->vc);
free_irq(c->irq_number, c);
+ dma_pool_destroy(c->cb_pool);
dev_dbg(c->vc.chan.device->dev, "Freeing DMA channel %u\n", c->ch);
}
@@ -261,8 +278,7 @@ static size_t bcm2835_dma_desc_size_pos(struct bcm2835_desc *d, dma_addr_t addr)
size_t size;
for (size = i = 0; i < d->frames; i++) {
- struct bcm2835_dma_cb *control_block =
- &d->control_block_base[i];
+ struct bcm2835_dma_cb *control_block = d->cb_list[i].cb;
size_t this_size = control_block->length;
dma_addr_t dma;
@@ -343,6 +359,7 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep_dma_cyclic(
dma_addr_t dev_addr;
unsigned int es, sync_type;
unsigned int frame;
+ int i;
/* Grab configuration */
if (!is_slave_direction(direction)) {
@@ -374,27 +391,31 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep_dma_cyclic(
if (!d)
return NULL;
+ d->c = c;
d->dir = direction;
d->frames = buf_len / period_len;
- /* Allocate memory for control blocks */
- d->control_block_size = d->frames * sizeof(struct bcm2835_dma_cb);
- d->control_block_base = dma_zalloc_coherent(chan->device->dev,
- d->control_block_size, &d->control_block_base_phys,
- GFP_NOWAIT);
-
- if (!d->control_block_base) {
+ d->cb_list = kcalloc(d->frames, sizeof(*d->cb_list), GFP_KERNEL);
+ if (!d->cb_list) {
kfree(d);
return NULL;
}
+ /* Allocate memory for control blocks */
+ for (i = 0; i < d->frames; i++) {
+ struct bcm2835_cb_entry *cb_entry = &d->cb_list[i];
+
+ cb_entry->cb = dma_pool_zalloc(c->cb_pool, GFP_ATOMIC,
+ &cb_entry->paddr);
+ if (!cb_entry->cb)
+ goto error_cb;
+ }
/*
* Iterate over all frames, create a control block
* for each frame and link them together.
*/
for (frame = 0; frame < d->frames; frame++) {
- struct bcm2835_dma_cb *control_block =
- &d->control_block_base[frame];
+ struct bcm2835_dma_cb *control_block = d->cb_list[frame].cb;
/* Setup adresses */
if (d->dir == DMA_DEV_TO_MEM) {
@@ -428,12 +449,21 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep_dma_cyclic(
* This DMA engine driver currently only supports cyclic DMA.
* Therefore, wrap around at number of frames.
*/
- control_block->next = d->control_block_base_phys +
- sizeof(struct bcm2835_dma_cb)
- * ((frame + 1) % d->frames);
+ control_block->next = d->cb_list[((frame + 1) % d->frames)].paddr;
}
return vchan_tx_prep(&c->vc, &d->vd, flags);
+error_cb:
+ i--;
+ for (; i >= 0; i--) {
+ struct bcm2835_cb_entry *cb_entry = &d->cb_list[i];
+
+ dma_pool_free(c->cb_pool, cb_entry->cb, cb_entry->paddr);
+ }
+
+ kfree(d->cb_list);
+ kfree(d);
+ return NULL;
}
static int bcm2835_dma_slave_config(struct dma_chan *chan,
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 0675e268d577..16fe773fb846 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -1752,16 +1752,14 @@ static enum dma_status edma_tx_status(struct dma_chan *chan,
return ret;
}
-static bool edma_is_memcpy_channel(int ch_num, u16 *memcpy_channels)
+static bool edma_is_memcpy_channel(int ch_num, s32 *memcpy_channels)
{
- s16 *memcpy_ch = memcpy_channels;
-
if (!memcpy_channels)
return false;
- while (*memcpy_ch != -1) {
- if (*memcpy_ch == ch_num)
+ while (*memcpy_channels != -1) {
+ if (*memcpy_channels == ch_num)
return true;
- memcpy_ch++;
+ memcpy_channels++;
}
return false;
}
@@ -1775,7 +1773,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode)
{
struct dma_device *s_ddev = &ecc->dma_slave;
struct dma_device *m_ddev = NULL;
- s16 *memcpy_channels = ecc->info->memcpy_channels;
+ s32 *memcpy_channels = ecc->info->memcpy_channels;
int i, j;
dma_cap_zero(s_ddev->cap_mask);
@@ -1996,16 +1994,16 @@ static struct edma_soc_info *edma_setup_info_from_dt(struct device *dev,
prop = of_find_property(dev->of_node, "ti,edma-memcpy-channels", &sz);
if (prop) {
const char pname[] = "ti,edma-memcpy-channels";
- size_t nelm = sz / sizeof(s16);
- s16 *memcpy_ch;
+ size_t nelm = sz / sizeof(s32);
+ s32 *memcpy_ch;
- memcpy_ch = devm_kcalloc(dev, nelm + 1, sizeof(s16),
+ memcpy_ch = devm_kcalloc(dev, nelm + 1, sizeof(s32),
GFP_KERNEL);
if (!memcpy_ch)
return ERR_PTR(-ENOMEM);
- ret = of_property_read_u16_array(dev->of_node, pname,
- (u16 *)memcpy_ch, nelm);
+ ret = of_property_read_u32_array(dev->of_node, pname,
+ (u32 *)memcpy_ch, nelm);
if (ret)
return ERR_PTR(ret);
@@ -2017,31 +2015,50 @@ static struct edma_soc_info *edma_setup_info_from_dt(struct device *dev,
&sz);
if (prop) {
const char pname[] = "ti,edma-reserved-slot-ranges";
+ u32 (*tmp)[2];
s16 (*rsv_slots)[2];
- size_t nelm = sz / sizeof(*rsv_slots);
+ size_t nelm = sz / sizeof(*tmp);
struct edma_rsv_info *rsv_info;
+ int i;
if (!nelm)
return info;
+ tmp = kcalloc(nelm, sizeof(*tmp), GFP_KERNEL);
+ if (!tmp)
+ return ERR_PTR(-ENOMEM);
+
rsv_info = devm_kzalloc(dev, sizeof(*rsv_info), GFP_KERNEL);
- if (!rsv_info)
+ if (!rsv_info) {
+ kfree(tmp);
return ERR_PTR(-ENOMEM);
+ }
rsv_slots = devm_kcalloc(dev, nelm + 1, sizeof(*rsv_slots),
GFP_KERNEL);
- if (!rsv_slots)
+ if (!rsv_slots) {
+ kfree(tmp);
return ERR_PTR(-ENOMEM);
+ }
- ret = of_property_read_u16_array(dev->of_node, pname,
- (u16 *)rsv_slots, nelm * 2);
- if (ret)
+ ret = of_property_read_u32_array(dev->of_node, pname,
+ (u32 *)tmp, nelm * 2);
+ if (ret) {
+ kfree(tmp);
return ERR_PTR(ret);
+ }
+ for (i = 0; i < nelm; i++) {
+ rsv_slots[i][0] = tmp[i][0];
+ rsv_slots[i][1] = tmp[i][1];
+ }
rsv_slots[nelm][0] = -1;
rsv_slots[nelm][1] = -1;
+
info->rsv = rsv_info;
info->rsv->rsv_slots = (const s16 (*)[2])rsv_slots;
+
+ kfree(tmp);
}
return info;
diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c
index 9dfa2b0fa5da..9cb93c5b655d 100644
--- a/drivers/dma/xgene-dma.c
+++ b/drivers/dma/xgene-dma.c
@@ -29,6 +29,7 @@
#include <linux/dmapool.h>
#include <linux/interrupt.h>
#include <linux/io.h>
+#include <linux/irq.h>
#include <linux/module.h>
#include <linux/of_device.h>
@@ -1610,6 +1611,7 @@ static int xgene_dma_request_irqs(struct xgene_dma *pdma)
/* Register DMA channel rx irq */
for (i = 0; i < XGENE_DMA_MAX_CHANNEL; i++) {
chan = &pdma->chan[i];
+ irq_set_status_flags(chan->rx_irq, IRQ_DISABLE_UNLAZY);
ret = devm_request_irq(chan->dev, chan->rx_irq,
xgene_dma_chan_ring_isr,
0, chan->name, chan);
@@ -1620,6 +1622,7 @@ static int xgene_dma_request_irqs(struct xgene_dma *pdma)
for (j = 0; j < i; j++) {
chan = &pdma->chan[i];
+ irq_clear_status_flags(chan->rx_irq, IRQ_DISABLE_UNLAZY);
devm_free_irq(chan->dev, chan->rx_irq, chan);
}
@@ -1640,6 +1643,7 @@ static void xgene_dma_free_irqs(struct xgene_dma *pdma)
for (i = 0; i < XGENE_DMA_MAX_CHANNEL; i++) {
chan = &pdma->chan[i];
+ irq_clear_status_flags(chan->rx_irq, IRQ_DISABLE_UNLAZY);
devm_free_irq(chan->dev, chan->rx_irq, chan);
}
}
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index ac1ce4a73edf..0e08e665f715 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -521,6 +521,7 @@ static int __init dmi_present(const u8 *buf)
dmi_ver = smbios_ver;
else
dmi_ver = (buf[14] & 0xF0) << 4 | (buf[14] & 0x0F);
+ dmi_ver <<= 8;
dmi_num = get_unaligned_le16(buf + 12);
dmi_len = get_unaligned_le16(buf + 6);
dmi_base = get_unaligned_le32(buf + 8);
@@ -528,15 +529,14 @@ static int __init dmi_present(const u8 *buf)
if (dmi_walk_early(dmi_decode) == 0) {
if (smbios_ver) {
pr_info("SMBIOS %d.%d present.\n",
- dmi_ver >> 8, dmi_ver & 0xFF);
+ dmi_ver >> 16, (dmi_ver >> 8) & 0xFF);
} else {
smbios_entry_point_size = 15;
memcpy(smbios_entry_point, buf,
smbios_entry_point_size);
pr_info("Legacy DMI %d.%d present.\n",
- dmi_ver >> 8, dmi_ver & 0xFF);
+ dmi_ver >> 16, (dmi_ver >> 8) & 0xFF);
}
- dmi_ver <<= 8;
dmi_format_ids(dmi_ids_string, sizeof(dmi_ids_string));
printk(KERN_DEBUG "DMI: %s\n", dmi_ids_string);
return 0;
diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c
index e5827a56ff3b..5eaea8b812cf 100644
--- a/drivers/gpio/gpio-ath79.c
+++ b/drivers/gpio/gpio-ath79.c
@@ -113,7 +113,7 @@ static int ar934x_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
__raw_writel(BIT(offset), ctrl->base + AR71XX_GPIO_REG_CLEAR);
__raw_writel(
- __raw_readl(ctrl->base + AR71XX_GPIO_REG_OE) & BIT(offset),
+ __raw_readl(ctrl->base + AR71XX_GPIO_REG_OE) & ~BIT(offset),
ctrl->base + AR71XX_GPIO_REG_OE);
spin_unlock_irqrestore(&ctrl->lock, flags);
diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
index bd5193c67a9c..88ae70ddb127 100644
--- a/drivers/gpio/gpio-generic.c
+++ b/drivers/gpio/gpio-generic.c
@@ -141,9 +141,9 @@ static int bgpio_get_set(struct gpio_chip *gc, unsigned int gpio)
unsigned long pinmask = bgc->pin2mask(bgc, gpio);
if (bgc->dir & pinmask)
- return bgc->read_reg(bgc->reg_set) & pinmask;
+ return !!(bgc->read_reg(bgc->reg_set) & pinmask);
else
- return bgc->read_reg(bgc->reg_dat) & pinmask;
+ return !!(bgc->read_reg(bgc->reg_dat) & pinmask);
}
static int bgpio_get(struct gpio_chip *gc, unsigned int gpio)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index c8a1e884da74..a3ad3bab2942 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1279,7 +1279,13 @@ static int _gpiod_get_raw_value(const struct gpio_desc *desc)
chip = desc->chip;
offset = gpio_chip_hwgpio(desc);
value = chip->get ? chip->get(chip, offset) : -EIO;
- value = value < 0 ? value : !!value;
+ /*
+ * FIXME: fix all drivers to clamp to [0,1] or return negative,
+ * then change this to:
+ * value = value < 0 ? value : !!value;
+ * so we can properly propagate error codes.
+ */
+ value = !!value;
trace_gpio_value(desc_to_gpio(desc), 1, value);
return value;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 5a5f04d0902d..048cfe073dae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1264,7 +1264,8 @@ struct amdgpu_cs_parser {
struct ww_acquire_ctx ticket;
/* user fence */
- struct amdgpu_user_fence uf;
+ struct amdgpu_user_fence uf;
+ struct amdgpu_bo_list_entry uf_entry;
};
struct amdgpu_job {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 4f352ec9dec4..25a3e2485cc2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -127,6 +127,37 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
return 0;
}
+static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
+ struct drm_amdgpu_cs_chunk_fence *fence_data)
+{
+ struct drm_gem_object *gobj;
+ uint32_t handle;
+
+ handle = fence_data->handle;
+ gobj = drm_gem_object_lookup(p->adev->ddev, p->filp,
+ fence_data->handle);
+ if (gobj == NULL)
+ return -EINVAL;
+
+ p->uf.bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
+ p->uf.offset = fence_data->offset;
+
+ if (amdgpu_ttm_tt_has_userptr(p->uf.bo->tbo.ttm)) {
+ drm_gem_object_unreference_unlocked(gobj);
+ return -EINVAL;
+ }
+
+ p->uf_entry.robj = amdgpu_bo_ref(p->uf.bo);
+ p->uf_entry.prefered_domains = AMDGPU_GEM_DOMAIN_GTT;
+ p->uf_entry.allowed_domains = AMDGPU_GEM_DOMAIN_GTT;
+ p->uf_entry.priority = 0;
+ p->uf_entry.tv.bo = &p->uf_entry.robj->tbo;
+ p->uf_entry.tv.shared = true;
+
+ drm_gem_object_unreference_unlocked(gobj);
+ return 0;
+}
+
int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
{
union drm_amdgpu_cs *cs = data;
@@ -207,28 +238,15 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
case AMDGPU_CHUNK_ID_FENCE:
size = sizeof(struct drm_amdgpu_cs_chunk_fence);
- if (p->chunks[i].length_dw * sizeof(uint32_t) >= size) {
- uint32_t handle;
- struct drm_gem_object *gobj;
- struct drm_amdgpu_cs_chunk_fence *fence_data;
-
- fence_data = (void *)p->chunks[i].kdata;
- handle = fence_data->handle;
- gobj = drm_gem_object_lookup(p->adev->ddev,
- p->filp, handle);
- if (gobj == NULL) {
- ret = -EINVAL;
- goto free_partial_kdata;
- }
-
- p->uf.bo = gem_to_amdgpu_bo(gobj);
- amdgpu_bo_ref(p->uf.bo);
- drm_gem_object_unreference_unlocked(gobj);
- p->uf.offset = fence_data->offset;
- } else {
+ if (p->chunks[i].length_dw * sizeof(uint32_t) < size) {
ret = -EINVAL;
goto free_partial_kdata;
}
+
+ ret = amdgpu_cs_user_fence_chunk(p, (void *)p->chunks[i].kdata);
+ if (ret)
+ goto free_partial_kdata;
+
break;
case AMDGPU_CHUNK_ID_DEPENDENCIES:
@@ -391,6 +409,9 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p)
p->vm_bos = amdgpu_vm_get_bos(p->adev, &fpriv->vm,
&p->validated);
+ if (p->uf.bo)
+ list_add(&p->uf_entry.tv.head, &p->validated);
+
if (need_mmap_lock)
down_read(&current->mm->mmap_sem);
@@ -488,8 +509,8 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bo
for (i = 0; i < parser->num_ibs; i++)
amdgpu_ib_free(parser->adev, &parser->ibs[i]);
kfree(parser->ibs);
- if (parser->uf.bo)
- amdgpu_bo_unref(&parser->uf.bo);
+ amdgpu_bo_unref(&parser->uf.bo);
+ amdgpu_bo_unref(&parser->uf_entry.robj);
}
static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p,
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index a18164f2f6d2..f8b5fcfa91a2 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -229,7 +229,8 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect
mode_flags |= DRM_MODE_FLAG_3D_MASK;
list_for_each_entry(mode, &connector->modes, head) {
- mode->status = drm_mode_validate_basic(mode);
+ if (mode->status == MODE_OK)
+ mode->status = drm_mode_validate_basic(mode);
if (mode->status == MODE_OK)
mode->status = drm_mode_validate_size(mode, maxX, maxY);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index b3ba27fd9a6b..e69357172ffb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -55,6 +55,9 @@ static int exynos_crtc_atomic_check(struct drm_crtc *crtc,
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ if (!state->enable)
+ return 0;
+
if (exynos_crtc->ops->atomic_check)
return exynos_crtc->ops->atomic_check(exynos_crtc, state);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a01e51581c4c..f4af19a0d569 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2193,8 +2193,17 @@ struct drm_i915_gem_request {
struct drm_i915_private *i915;
struct intel_engine_cs *ring;
- /** GEM sequence number associated with this request. */
- uint32_t seqno;
+ /** GEM sequence number associated with the previous request,
+ * when the HWS breadcrumb is equal to this the GPU is processing
+ * this request.
+ */
+ u32 previous_seqno;
+
+ /** GEM sequence number associated with this request,
+ * when the HWS breadcrumb is equal or greater than this the GPU
+ * has finished processing this request.
+ */
+ u32 seqno;
/** Position in the ringbuffer of the start of the request */
u32 head;
@@ -2839,6 +2848,7 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
u32 flags);
+void __i915_vma_set_map_and_fenceable(struct i915_vma *vma);
int __must_check i915_vma_unbind(struct i915_vma *vma);
/*
* BEWARE: Do not use the function below unless you can _absolutely_
@@ -2910,15 +2920,17 @@ i915_seqno_passed(uint32_t seq1, uint32_t seq2)
return (int32_t)(seq1 - seq2) >= 0;
}
+static inline bool i915_gem_request_started(struct drm_i915_gem_request *req,
+ bool lazy_coherency)
+{
+ u32 seqno = req->ring->get_seqno(req->ring, lazy_coherency);
+ return i915_seqno_passed(seqno, req->previous_seqno);
+}
+
static inline bool i915_gem_request_completed(struct drm_i915_gem_request *req,
bool lazy_coherency)
{
- u32 seqno;
-
- BUG_ON(req == NULL);
-
- seqno = req->ring->get_seqno(req->ring, lazy_coherency);
-
+ u32 seqno = req->ring->get_seqno(req->ring, lazy_coherency);
return i915_seqno_passed(seqno, req->seqno);
}
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 32e6aade6223..f56af0aaafde 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1146,23 +1146,74 @@ static bool missed_irq(struct drm_i915_private *dev_priv,
return test_bit(ring->id, &dev_priv->gpu_error.missed_irq_rings);
}
-static int __i915_spin_request(struct drm_i915_gem_request *req)
+static unsigned long local_clock_us(unsigned *cpu)
+{
+ unsigned long t;
+
+ /* Cheaply and approximately convert from nanoseconds to microseconds.
+ * The result and subsequent calculations are also defined in the same
+ * approximate microseconds units. The principal source of timing
+ * error here is from the simple truncation.
+ *
+ * Note that local_clock() is only defined wrt to the current CPU;
+ * the comparisons are no longer valid if we switch CPUs. Instead of
+ * blocking preemption for the entire busywait, we can detect the CPU
+ * switch and use that as indicator of system load and a reason to
+ * stop busywaiting, see busywait_stop().
+ */
+ *cpu = get_cpu();
+ t = local_clock() >> 10;
+ put_cpu();
+
+ return t;
+}
+
+static bool busywait_stop(unsigned long timeout, unsigned cpu)
+{
+ unsigned this_cpu;
+
+ if (time_after(local_clock_us(&this_cpu), timeout))
+ return true;
+
+ return this_cpu != cpu;
+}
+
+static int __i915_spin_request(struct drm_i915_gem_request *req, int state)
{
unsigned long timeout;
+ unsigned cpu;
+
+ /* When waiting for high frequency requests, e.g. during synchronous
+ * rendering split between the CPU and GPU, the finite amount of time
+ * required to set up the irq and wait upon it limits the response
+ * rate. By busywaiting on the request completion for a short while we
+ * can service the high frequency waits as quick as possible. However,
+ * if it is a slow request, we want to sleep as quickly as possible.
+ * The tradeoff between waiting and sleeping is roughly the time it
+ * takes to sleep on a request, on the order of a microsecond.
+ */
- if (i915_gem_request_get_ring(req)->irq_refcount)
+ if (req->ring->irq_refcount)
return -EBUSY;
- timeout = jiffies + 1;
+ /* Only spin if we know the GPU is processing this request */
+ if (!i915_gem_request_started(req, true))
+ return -EAGAIN;
+
+ timeout = local_clock_us(&cpu) + 5;
while (!need_resched()) {
if (i915_gem_request_completed(req, true))
return 0;
- if (time_after_eq(jiffies, timeout))
+ if (signal_pending_state(state, current))
+ break;
+
+ if (busywait_stop(timeout, cpu))
break;
cpu_relax_lowlatency();
}
+
if (i915_gem_request_completed(req, false))
return 0;
@@ -1197,6 +1248,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
struct drm_i915_private *dev_priv = dev->dev_private;
const bool irq_test_in_progress =
ACCESS_ONCE(dev_priv->gpu_error.test_irq_rings) & intel_ring_flag(ring);
+ int state = interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE;
DEFINE_WAIT(wait);
unsigned long timeout_expire;
s64 before, now;
@@ -1229,7 +1281,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
before = ktime_get_raw_ns();
/* Optimistic spin for the next jiffie before touching IRQs */
- ret = __i915_spin_request(req);
+ ret = __i915_spin_request(req, state);
if (ret == 0)
goto out;
@@ -1241,8 +1293,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
for (;;) {
struct timer_list timer;
- prepare_to_wait(&ring->irq_queue, &wait,
- interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
+ prepare_to_wait(&ring->irq_queue, &wait, state);
/* We need to check whether any gpu reset happened in between
* the caller grabbing the seqno and now ... */
@@ -1260,7 +1311,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
break;
}
- if (interruptible && signal_pending(current)) {
+ if (signal_pending_state(state, current)) {
ret = -ERESTARTSYS;
break;
}
@@ -2554,6 +2605,7 @@ void __i915_add_request(struct drm_i915_gem_request *request,
request->batch_obj = obj;
request->emitted_jiffies = jiffies;
+ request->previous_seqno = ring->last_submitted_seqno;
ring->last_submitted_seqno = request->seqno;
list_add_tail(&request->list, &ring->request_list);
@@ -4080,6 +4132,29 @@ i915_vma_misplaced(struct i915_vma *vma, uint32_t alignment, uint64_t flags)
return false;
}
+void __i915_vma_set_map_and_fenceable(struct i915_vma *vma)
+{
+ struct drm_i915_gem_object *obj = vma->obj;
+ bool mappable, fenceable;
+ u32 fence_size, fence_alignment;
+
+ fence_size = i915_gem_get_gtt_size(obj->base.dev,
+ obj->base.size,
+ obj->tiling_mode);
+ fence_alignment = i915_gem_get_gtt_alignment(obj->base.dev,
+ obj->base.size,
+ obj->tiling_mode,
+ true);
+
+ fenceable = (vma->node.size == fence_size &&
+ (vma->node.start & (fence_alignment - 1)) == 0);
+
+ mappable = (vma->node.start + fence_size <=
+ to_i915(obj->base.dev)->gtt.mappable_end);
+
+ obj->map_and_fenceable = mappable && fenceable;
+}
+
static int
i915_gem_object_do_pin(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
@@ -4147,25 +4222,7 @@ i915_gem_object_do_pin(struct drm_i915_gem_object *obj,
if (ggtt_view && ggtt_view->type == I915_GGTT_VIEW_NORMAL &&
(bound ^ vma->bound) & GLOBAL_BIND) {
- bool mappable, fenceable;
- u32 fence_size, fence_alignment;
-
- fence_size = i915_gem_get_gtt_size(obj->base.dev,
- obj->base.size,
- obj->tiling_mode);
- fence_alignment = i915_gem_get_gtt_alignment(obj->base.dev,
- obj->base.size,
- obj->tiling_mode,
- true);
-
- fenceable = (vma->node.size == fence_size &&
- (vma->node.start & (fence_alignment - 1)) == 0);
-
- mappable = (vma->node.start + fence_size <=
- dev_priv->gtt.mappable_end);
-
- obj->map_and_fenceable = mappable && fenceable;
-
+ __i915_vma_set_map_and_fenceable(vma);
WARN_ON(flags & PIN_MAPPABLE && !obj->map_and_fenceable);
}
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 8c688a5f1589..02ceb7a4b481 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -141,8 +141,6 @@ static void i915_gem_context_clean(struct intel_context *ctx)
if (!ppgtt)
return;
- WARN_ON(!list_empty(&ppgtt->base.active_list));
-
list_for_each_entry_safe(vma, next, &ppgtt->base.inactive_list,
mm_list) {
if (WARN_ON(__i915_vma_unbind_no_wait(vma)))
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 43f35d12b677..86c7500454b4 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2676,6 +2676,7 @@ static int i915_gem_setup_global_gtt(struct drm_device *dev,
return ret;
}
vma->bound |= GLOBAL_BIND;
+ __i915_vma_set_map_and_fenceable(vma);
list_add_tail(&vma->mm_list, &ggtt_vm->inactive_list);
}
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index cdacf3f5b77a..87e919a06b27 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -687,6 +687,7 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
}
vma->bound |= GLOBAL_BIND;
+ __i915_vma_set_map_and_fenceable(vma);
list_add_tail(&vma->mm_list, &ggtt->inactive_list);
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 22e86d2e408d..32cf97346978 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -116,6 +116,7 @@ static void skylake_pfit_enable(struct intel_crtc *crtc);
static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force);
static void ironlake_pfit_enable(struct intel_crtc *crtc);
static void intel_modeset_setup_hw_state(struct drm_device *dev);
+static void intel_pre_disable_primary(struct drm_crtc *crtc);
typedef struct {
int min, max;
@@ -2607,6 +2608,8 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
struct drm_i915_gem_object *obj;
struct drm_plane *primary = intel_crtc->base.primary;
struct drm_plane_state *plane_state = primary->state;
+ struct drm_crtc_state *crtc_state = intel_crtc->base.state;
+ struct intel_plane *intel_plane = to_intel_plane(primary);
struct drm_framebuffer *fb;
if (!plane_config->fb)
@@ -2643,6 +2646,18 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
}
}
+ /*
+ * We've failed to reconstruct the BIOS FB. Current display state
+ * indicates that the primary plane is visible, but has a NULL FB,
+ * which will lead to problems later if we don't fix it up. The
+ * simplest solution is to just disable the primary plane now and
+ * pretend the BIOS never had it enabled.
+ */
+ to_intel_plane_state(plane_state)->visible = false;
+ crtc_state->plane_mask &= ~(1 << drm_plane_index(primary));
+ intel_pre_disable_primary(&intel_crtc->base);
+ intel_plane->disable_plane(primary, &intel_crtc->base);
+
return;
valid_fb:
@@ -6309,9 +6324,11 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc)
if (to_intel_plane_state(crtc->primary->state)->visible) {
intel_crtc_wait_for_pending_flips(crtc);
intel_pre_disable_primary(crtc);
+
+ intel_crtc_disable_planes(crtc, 1 << drm_plane_index(crtc->primary));
+ to_intel_plane_state(crtc->primary->state)->visible = false;
}
- intel_crtc_disable_planes(crtc, crtc->state->plane_mask);
dev_priv->display.crtc_disable(crtc);
intel_crtc->active = false;
intel_update_watermarks(crtc);
@@ -9908,14 +9925,14 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
return true;
}
-static void i845_update_cursor(struct drm_crtc *crtc, u32 base)
+static void i845_update_cursor(struct drm_crtc *crtc, u32 base, bool on)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
uint32_t cntl = 0, size = 0;
- if (base) {
+ if (on) {
unsigned int width = intel_crtc->base.cursor->state->crtc_w;
unsigned int height = intel_crtc->base.cursor->state->crtc_h;
unsigned int stride = roundup_pow_of_two(width) * 4;
@@ -9970,16 +9987,15 @@ static void i845_update_cursor(struct drm_crtc *crtc, u32 base)
}
}
-static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base)
+static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base, bool on)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
- uint32_t cntl;
+ uint32_t cntl = 0;
- cntl = 0;
- if (base) {
+ if (on) {
cntl = MCURSOR_GAMMA_ENABLE;
switch (intel_crtc->base.cursor->state->crtc_w) {
case 64:
@@ -10030,18 +10046,17 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc,
int y = cursor_state->crtc_y;
u32 base = 0, pos = 0;
- if (on)
- base = intel_crtc->cursor_addr;
+ base = intel_crtc->cursor_addr;
if (x >= intel_crtc->config->pipe_src_w)
- base = 0;
+ on = false;
if (y >= intel_crtc->config->pipe_src_h)
- base = 0;
+ on = false;
if (x < 0) {
if (x + cursor_state->crtc_w <= 0)
- base = 0;
+ on = false;
pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
x = -x;
@@ -10050,16 +10065,13 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc,
if (y < 0) {
if (y + cursor_state->crtc_h <= 0)
- base = 0;
+ on = false;
pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
y = -y;
}
pos |= y << CURSOR_Y_SHIFT;
- if (base == 0 && intel_crtc->cursor_base == 0)
- return;
-
I915_WRITE(CURPOS(pipe), pos);
/* ILK+ do this automagically */
@@ -10070,9 +10082,9 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc,
}
if (IS_845G(dev) || IS_I865G(dev))
- i845_update_cursor(crtc, base);
+ i845_update_cursor(crtc, base, on);
else
- i9xx_update_cursor(crtc, base);
+ i9xx_update_cursor(crtc, base, on);
}
static bool cursor_size_ok(struct drm_device *dev,
@@ -12111,18 +12123,22 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
static bool check_digital_port_conflicts(struct drm_atomic_state *state)
{
struct drm_device *dev = state->dev;
- struct intel_encoder *encoder;
struct drm_connector *connector;
- struct drm_connector_state *connector_state;
unsigned int used_ports = 0;
- int i;
/*
* Walk the connector list instead of the encoder
* list to detect the problem on ddi platforms
* where there's just one encoder per digital port.
*/
- for_each_connector_in_state(state, connector, connector_state, i) {
+ drm_for_each_connector(connector, dev) {
+ struct drm_connector_state *connector_state;
+ struct intel_encoder *encoder;
+
+ connector_state = drm_atomic_get_existing_connector_state(state, connector);
+ if (!connector_state)
+ connector_state = connector->state;
+
if (!connector_state->best_encoder)
continue;
@@ -13716,6 +13732,7 @@ intel_check_cursor_plane(struct drm_plane *plane,
struct drm_crtc *crtc = crtc_state->base.crtc;
struct drm_framebuffer *fb = state->base.fb;
struct drm_i915_gem_object *obj = intel_fb_obj(fb);
+ enum pipe pipe = to_intel_plane(plane)->pipe;
unsigned stride;
int ret;
@@ -13749,6 +13766,22 @@ intel_check_cursor_plane(struct drm_plane *plane,
return -EINVAL;
}
+ /*
+ * There's something wrong with the cursor on CHV pipe C.
+ * If it straddles the left edge of the screen then
+ * moving it away from the edge or disabling it often
+ * results in a pipe underrun, and often that can lead to
+ * dead pipe (constant underrun reported, and it scans
+ * out just a solid color). To recover from that, the
+ * display power well must be turned off and on again.
+ * Refuse the put the cursor into that compromised position.
+ */
+ if (IS_CHERRYVIEW(plane->dev) && pipe == PIPE_C &&
+ state->visible && state->base.crtc_x < 0) {
+ DRM_DEBUG_KMS("CHV cursor C not allowed to straddle the left screen edge\n");
+ return -EINVAL;
+ }
+
return 0;
}
@@ -13772,9 +13805,6 @@ intel_commit_cursor_plane(struct drm_plane *plane,
crtc = crtc ? crtc : plane->crtc;
intel_crtc = to_intel_crtc(crtc);
- if (intel_crtc->cursor_bo == obj)
- goto update;
-
if (!obj)
addr = 0;
else if (!INTEL_INFO(dev)->cursor_needs_physical)
@@ -13783,9 +13813,7 @@ intel_commit_cursor_plane(struct drm_plane *plane,
addr = obj->phys_handle->busaddr;
intel_crtc->cursor_addr = addr;
- intel_crtc->cursor_bo = obj;
-update:
if (crtc->state->active)
intel_crtc_update_cursor(crtc, state->visible);
}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index f2a1142bff34..0d00f07b7163 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -550,7 +550,6 @@ struct intel_crtc {
int adjusted_x;
int adjusted_y;
- struct drm_i915_gem_object *cursor_bo;
uint32_t cursor_addr;
uint32_t cursor_cntl;
uint32_t cursor_size;
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 81cdd9ff3892..e6c035b0fc1c 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1374,17 +1374,18 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
struct drm_i915_private *dev_priv = to_i915(connector->dev);
bool live_status = false;
- unsigned int retry = 3;
+ unsigned int try;
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
connector->base.id, connector->name);
intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS);
- while (!live_status && --retry) {
+ for (try = 0; !live_status && try < 9; try++) {
+ if (try)
+ msleep(10);
live_status = intel_digital_port_connected(dev_priv,
hdmi_to_dig_port(intel_hdmi));
- mdelay(10);
}
if (!live_status)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 071a76b9ac52..f091ad12d694 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4782,8 +4782,7 @@ static void gen9_enable_rc6(struct drm_device *dev)
/* 2b: Program RC6 thresholds.*/
/* WaRsDoubleRc6WrlWithCoarsePowerGating: Doubling WRL only when CPG is enabled */
- if (IS_SKYLAKE(dev) && !((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) &&
- (INTEL_REVID(dev) <= SKL_REVID_E0)))
+ if (IS_SKYLAKE(dev))
I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 108 << 16);
else
I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 54 << 16);
@@ -4825,7 +4824,7 @@ static void gen9_enable_rc6(struct drm_device *dev)
* WaRsDisableCoarsePowerGating:skl,bxt - Render/Media PG need to be disabled with RC6.
*/
if ((IS_BROXTON(dev) && (INTEL_REVID(dev) < BXT_REVID_B0)) ||
- ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && (INTEL_REVID(dev) <= SKL_REVID_E0)))
+ ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && (INTEL_REVID(dev) <= SKL_REVID_F0)))
I915_WRITE(GEN9_PG_ENABLE, 0);
else
I915_WRITE(GEN9_PG_ENABLE, (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ?
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c
index ffa902ece872..05a895496fc6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c
@@ -156,6 +156,7 @@ nv40_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
return -ENOMEM;
nvkm_object_ctor(&nv40_gr_chan, oclass, &chan->object);
chan->gr = gr;
+ chan->fifo = fifoch;
*pobject = &chan->object;
spin_lock_irqsave(&chan->gr->base.engine.lock, flags);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c
index 43006db6fd58..80fed7e78dcb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c
@@ -83,6 +83,7 @@ nvbios_fan_parse(struct nvkm_bios *bios, struct nvbios_therm_fan *fan)
fan->type = NVBIOS_THERM_FAN_UNK;
}
+ fan->fan_mode = NVBIOS_THERM_FAN_LINEAR;
fan->min_duty = nvbios_rd08(bios, data + 0x02);
fan->max_duty = nvbios_rd08(bios, data + 0x03);
diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c
index b8e4cdec28c3..24f92bea39c7 100644
--- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
+++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
@@ -112,11 +112,8 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
dma_addr_t paddr;
int ret;
- /* only doing ARGB32 since this is what is needed to alpha-blend
- * with video overlays:
- */
sizes->surface_bpp = 32;
- sizes->surface_depth = 32;
+ sizes->surface_depth = 24;
DBG("create fbdev: %dx%d@%d (%dx%d)", sizes->surface_width,
sizes->surface_height, sizes->surface_bpp,
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 8f59f057cdf4..80a73bfc1a65 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1217,6 +1217,7 @@ config SENSORS_PWM_FAN
config SENSORS_SHT15
tristate "Sensiron humidity and temperature sensors. SHT15 and compat."
depends on GPIOLIB || COMPILE_TEST
+ select BITREVERSE
help
If you say yes here you get support for the Sensiron SHT10, SHT11,
SHT15, SHT71, SHT75 humidity and temperature sensors.
diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index 65482624ea2c..5289aa0980a8 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -58,6 +58,7 @@ struct tmp102 {
u16 config_orig;
unsigned long last_update;
int temp[3];
+ bool first_time;
};
/* convert left adjusted 13-bit TMP102 register value to milliCelsius */
@@ -93,6 +94,7 @@ static struct tmp102 *tmp102_update_device(struct device *dev)
tmp102->temp[i] = tmp102_reg_to_mC(status);
}
tmp102->last_update = jiffies;
+ tmp102->first_time = false;
}
mutex_unlock(&tmp102->lock);
return tmp102;
@@ -102,6 +104,12 @@ static int tmp102_read_temp(void *dev, int *temp)
{
struct tmp102 *tmp102 = tmp102_update_device(dev);
+ /* Is it too early even to return a conversion? */
+ if (tmp102->first_time) {
+ dev_dbg(dev, "%s: Conversion not ready yet..\n", __func__);
+ return -EAGAIN;
+ }
+
*temp = tmp102->temp[0];
return 0;
@@ -114,6 +122,10 @@ static ssize_t tmp102_show_temp(struct device *dev,
struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
struct tmp102 *tmp102 = tmp102_update_device(dev);
+ /* Is it too early even to return a read? */
+ if (tmp102->first_time)
+ return -EAGAIN;
+
return sprintf(buf, "%d\n", tmp102->temp[sda->index]);
}
@@ -207,7 +219,9 @@ static int tmp102_probe(struct i2c_client *client,
status = -ENODEV;
goto fail_restore_config;
}
- tmp102->last_update = jiffies - HZ;
+ tmp102->last_update = jiffies;
+ /* Mark that we are not ready with data until conversion is complete */
+ tmp102->first_time = true;
mutex_init(&tmp102->lock);
hwmon_dev = hwmon_device_register_with_groups(dev, client->name,
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index c5628a42170a..a8bdcb5292f5 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -202,8 +202,15 @@ static void i2c_davinci_calc_clk_dividers(struct davinci_i2c_dev *dev)
* d is always 6 on Keystone I2C controller
*/
- /* get minimum of 7 MHz clock, but max of 12 MHz */
- psc = (input_clock / 7000000) - 1;
+ /*
+ * Both Davinci and current Keystone User Guides recommend a value
+ * between 7MHz and 12MHz. In reality 7MHz module clock doesn't
+ * always produce enough margin between SDA and SCL transitions.
+ * Measurements show that the higher the module clock is, the
+ * bigger is the margin, providing more reliable communication.
+ * So we better target for 12MHz.
+ */
+ psc = (input_clock / 12000000) - 1;
if ((input_clock / (psc + 1)) > 12000000)
psc++; /* better to run under spec than over */
d = (psc >= 2) ? 5 : 7 - psc;
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 8c48b27ba059..de7fbbb374cd 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -813,6 +813,12 @@ static irqreturn_t i2c_dw_isr(int this_irq, void *dev_id)
tx_aborted:
if ((stat & (DW_IC_INTR_TX_ABRT | DW_IC_INTR_STOP_DET)) || dev->msg_err)
complete(&dev->cmd_complete);
+ else if (unlikely(dev->accessor_flags & ACCESS_INTR_MASK)) {
+ /* workaround to trigger pending interrupt */
+ stat = dw_readl(dev, DW_IC_INTR_MASK);
+ i2c_dw_disable_int(dev);
+ dw_writel(dev, stat, DW_IC_INTR_MASK);
+ }
return IRQ_HANDLED;
}
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index 1d50898e7b24..9ffb63a60f95 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -111,6 +111,7 @@ struct dw_i2c_dev {
#define ACCESS_SWAP 0x00000001
#define ACCESS_16BIT 0x00000002
+#define ACCESS_INTR_MASK 0x00000004
extern int i2c_dw_init(struct dw_i2c_dev *dev);
extern void i2c_dw_disable(struct dw_i2c_dev *dev);
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 809579ecb5a4..6b00061c3746 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -93,6 +93,7 @@ static void dw_i2c_acpi_params(struct platform_device *pdev, char method[],
static int dw_i2c_acpi_configure(struct platform_device *pdev)
{
struct dw_i2c_dev *dev = platform_get_drvdata(pdev);
+ const struct acpi_device_id *id;
dev->adapter.nr = -1;
dev->tx_fifo_depth = 32;
@@ -106,6 +107,10 @@ static int dw_i2c_acpi_configure(struct platform_device *pdev)
dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt,
&dev->sda_hold_time);
+ id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev);
+ if (id && id->driver_data)
+ dev->accessor_flags |= (u32)id->driver_data;
+
return 0;
}
@@ -116,7 +121,7 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = {
{ "INT3433", 0 },
{ "80860F41", 0 },
{ "808622C1", 0 },
- { "AMD0010", 0 },
+ { "AMD0010", ACCESS_INTR_MASK },
{ }
};
MODULE_DEVICE_TABLE(acpi, dw_i2c_acpi_match);
@@ -240,12 +245,10 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
}
r = i2c_dw_probe(dev);
- if (r) {
+ if (r && !dev->pm_runtime_disabled)
pm_runtime_disable(&pdev->dev);
- return r;
- }
- return 0;
+ return r;
}
static int dw_i2c_plat_remove(struct platform_device *pdev)
@@ -260,7 +263,8 @@ static int dw_i2c_plat_remove(struct platform_device *pdev)
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_put_sync(&pdev->dev);
- pm_runtime_disable(&pdev->dev);
+ if (!dev->pm_runtime_disabled)
+ pm_runtime_disable(&pdev->dev);
return 0;
}
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 9bb0b056b25f..d4d853680ae4 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1119,6 +1119,8 @@ static int i2c_imx_probe(struct platform_device *pdev)
i2c_imx, IMX_I2C_I2CR);
imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx, IMX_I2C_I2SR);
+ i2c_imx_init_recovery_info(i2c_imx, pdev);
+
/* Add I2C adapter */
ret = i2c_add_numbered_adapter(&i2c_imx->adapter);
if (ret < 0) {
@@ -1126,8 +1128,6 @@ static int i2c_imx_probe(struct platform_device *pdev)
goto clk_disable;
}
- i2c_imx_init_recovery_info(i2c_imx, pdev);
-
/* Set up platform driver data */
platform_set_drvdata(pdev, i2c_imx);
clk_disable_unprepare(i2c_imx->clk);
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 5801227b97ab..43207f52e5a3 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -146,6 +146,8 @@ struct mv64xxx_i2c_data {
bool errata_delay;
struct reset_control *rstc;
bool irq_clear_inverted;
+ /* Clk div is 2 to the power n, not 2 to the power n + 1 */
+ bool clk_n_base_0;
};
static struct mv64xxx_i2c_regs mv64xxx_i2c_regs_mv64xxx = {
@@ -757,25 +759,29 @@ MODULE_DEVICE_TABLE(of, mv64xxx_i2c_of_match_table);
#ifdef CONFIG_OF
#ifdef CONFIG_HAVE_CLK
static int
-mv64xxx_calc_freq(const int tclk, const int n, const int m)
+mv64xxx_calc_freq(struct mv64xxx_i2c_data *drv_data,
+ const int tclk, const int n, const int m)
{
- return tclk / (10 * (m + 1) * (2 << n));
+ if (drv_data->clk_n_base_0)
+ return tclk / (10 * (m + 1) * (1 << n));
+ else
+ return tclk / (10 * (m + 1) * (2 << n));
}
static bool
-mv64xxx_find_baud_factors(const u32 req_freq, const u32 tclk, u32 *best_n,
- u32 *best_m)
+mv64xxx_find_baud_factors(struct mv64xxx_i2c_data *drv_data,
+ const u32 req_freq, const u32 tclk)
{
int freq, delta, best_delta = INT_MAX;
int m, n;
for (n = 0; n <= 7; n++)
for (m = 0; m <= 15; m++) {
- freq = mv64xxx_calc_freq(tclk, n, m);
+ freq = mv64xxx_calc_freq(drv_data, tclk, n, m);
delta = req_freq - freq;
if (delta >= 0 && delta < best_delta) {
- *best_m = m;
- *best_n = n;
+ drv_data->freq_m = m;
+ drv_data->freq_n = n;
best_delta = delta;
}
if (best_delta == 0)
@@ -813,8 +819,11 @@ mv64xxx_of_config(struct mv64xxx_i2c_data *drv_data,
if (of_property_read_u32(np, "clock-frequency", &bus_freq))
bus_freq = 100000; /* 100kHz by default */
- if (!mv64xxx_find_baud_factors(bus_freq, tclk,
- &drv_data->freq_n, &drv_data->freq_m)) {
+ if (of_device_is_compatible(np, "allwinner,sun4i-a10-i2c") ||
+ of_device_is_compatible(np, "allwinner,sun6i-a31-i2c"))
+ drv_data->clk_n_base_0 = true;
+
+ if (!mv64xxx_find_baud_factors(drv_data, bus_freq, tclk)) {
rc = -EINVAL;
goto out;
}
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index b0ae560b38c3..599c0d7bd906 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -576,7 +576,7 @@ static int rcar_reg_slave(struct i2c_client *slave)
if (slave->flags & I2C_CLIENT_TEN)
return -EAFNOSUPPORT;
- pm_runtime_forbid(rcar_i2c_priv_to_dev(priv));
+ pm_runtime_get_sync(rcar_i2c_priv_to_dev(priv));
priv->slave = slave;
rcar_i2c_write(priv, ICSAR, slave->addr);
@@ -598,7 +598,7 @@ static int rcar_unreg_slave(struct i2c_client *slave)
priv->slave = NULL;
- pm_runtime_allow(rcar_i2c_priv_to_dev(priv));
+ pm_runtime_put(rcar_i2c_priv_to_dev(priv));
return 0;
}
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index c1935ebd6a9c..9096d17beb5b 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -908,7 +908,7 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
&i2c->scl_fall_ns))
i2c->scl_fall_ns = 300;
if (of_property_read_u32(pdev->dev.of_node, "i2c-sda-falling-time-ns",
- &i2c->scl_fall_ns))
+ &i2c->sda_fall_ns))
i2c->sda_fall_ns = i2c->scl_fall_ns;
strlcpy(i2c->adap.name, "rk3x-i2c", sizeof(i2c->adap.name));
diff --git a/drivers/i2c/busses/i2c-st.c b/drivers/i2c/busses/i2c-st.c
index ea72dca32fdf..25020ec777c9 100644
--- a/drivers/i2c/busses/i2c-st.c
+++ b/drivers/i2c/busses/i2c-st.c
@@ -822,7 +822,7 @@ static int st_i2c_probe(struct platform_device *pdev)
adap = &i2c_dev->adap;
i2c_set_adapdata(adap, i2c_dev);
- snprintf(adap->name, sizeof(adap->name), "ST I2C(0x%pa)", &res->start);
+ snprintf(adap->name, sizeof(adap->name), "ST I2C(%pa)", &res->start);
adap->owner = THIS_MODULE;
adap->timeout = 2 * HZ;
adap->retries = 0;
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d2d5d004f16d..2d762a2ecd81 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1265,15 +1265,17 @@ static bool cma_protocol_roce(const struct rdma_cm_id *id)
return cma_protocol_roce_dev_port(device, port_num);
}
-static bool cma_match_net_dev(const struct rdma_id_private *id_priv,
- const struct net_device *net_dev)
+static bool cma_match_net_dev(const struct rdma_cm_id *id,
+ const struct net_device *net_dev,
+ u8 port_num)
{
- const struct rdma_addr *addr = &id_priv->id.route.addr;
+ const struct rdma_addr *addr = &id->route.addr;
if (!net_dev)
/* This request is an AF_IB request or a RoCE request */
- return addr->src_addr.ss_family == AF_IB ||
- cma_protocol_roce(&id_priv->id);
+ return (!id->port_num || id->port_num == port_num) &&
+ (addr->src_addr.ss_family == AF_IB ||
+ cma_protocol_roce_dev_port(id->device, port_num));
return !addr->dev_addr.bound_dev_if ||
(net_eq(dev_net(net_dev), addr->dev_addr.net) &&
@@ -1295,13 +1297,13 @@ static struct rdma_id_private *cma_find_listener(
hlist_for_each_entry(id_priv, &bind_list->owners, node) {
if (cma_match_private_data(id_priv, ib_event->private_data)) {
if (id_priv->id.device == cm_id->device &&
- cma_match_net_dev(id_priv, net_dev))
+ cma_match_net_dev(&id_priv->id, net_dev, req->port))
return id_priv;
list_for_each_entry(id_priv_dev,
&id_priv->listen_list,
listen_list) {
if (id_priv_dev->id.device == cm_id->device &&
- cma_match_net_dev(id_priv_dev, net_dev))
+ cma_match_net_dev(&id_priv_dev->id, net_dev, req->port))
return id_priv_dev;
}
}
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index 8d133c40fa0e..c394376ebe06 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -286,7 +286,7 @@ int mlx4_ib_destroy_srq(struct ib_srq *srq)
mlx4_ib_db_unmap_user(to_mucontext(srq->uobject->context), &msrq->db);
ib_umem_release(msrq->umem);
} else {
- kfree(msrq->wrid);
+ kvfree(msrq->wrid);
mlx4_buf_free(dev->dev, msrq->msrq.max << msrq->msrq.wqe_shift,
&msrq->buf);
mlx4_db_free(dev->dev, &msrq->db);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h
index ae80590aabdf..040bb8b5cb15 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma.h
@@ -232,6 +232,10 @@ struct phy_info {
u16 interface_type;
};
+enum ocrdma_flags {
+ OCRDMA_FLAGS_LINK_STATUS_INIT = 0x01
+};
+
struct ocrdma_dev {
struct ib_device ibdev;
struct ocrdma_dev_attr attr;
@@ -287,6 +291,7 @@ struct ocrdma_dev {
atomic_t update_sl;
u16 pvid;
u32 asic_id;
+ u32 flags;
ulong last_stats_time;
struct mutex stats_lock; /* provide synch for debugfs operations */
@@ -591,4 +596,9 @@ static inline u8 ocrdma_is_enabled_and_synced(u32 state)
(state & OCRDMA_STATE_FLAG_SYNC);
}
+static inline u8 ocrdma_get_ae_link_state(u32 ae_state)
+{
+ return ((ae_state & OCRDMA_AE_LSC_LS_MASK) >> OCRDMA_AE_LSC_LS_SHIFT);
+}
+
#endif
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 30f67bebffa3..283ca842ff74 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -579,6 +579,8 @@ static int ocrdma_mbx_create_mq(struct ocrdma_dev *dev,
cmd->async_event_bitmap = BIT(OCRDMA_ASYNC_GRP5_EVE_CODE);
cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_RDMA_EVE_CODE);
+ /* Request link events on this MQ. */
+ cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_LINK_EVE_CODE);
cmd->async_cqid_ringsize = cq->id;
cmd->async_cqid_ringsize |= (ocrdma_encoded_q_len(mq->len) <<
@@ -819,20 +821,42 @@ static void ocrdma_process_grp5_aync(struct ocrdma_dev *dev,
}
}
+static void ocrdma_process_link_state(struct ocrdma_dev *dev,
+ struct ocrdma_ae_mcqe *cqe)
+{
+ struct ocrdma_ae_lnkst_mcqe *evt;
+ u8 lstate;
+
+ evt = (struct ocrdma_ae_lnkst_mcqe *)cqe;
+ lstate = ocrdma_get_ae_link_state(evt->speed_state_ptn);
+
+ if (!(lstate & OCRDMA_AE_LSC_LLINK_MASK))
+ return;
+
+ if (dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)
+ ocrdma_update_link_state(dev, (lstate & OCRDMA_LINK_ST_MASK));
+}
+
static void ocrdma_process_acqe(struct ocrdma_dev *dev, void *ae_cqe)
{
/* async CQE processing */
struct ocrdma_ae_mcqe *cqe = ae_cqe;
u32 evt_code = (cqe->valid_ae_event & OCRDMA_AE_MCQE_EVENT_CODE_MASK) >>
OCRDMA_AE_MCQE_EVENT_CODE_SHIFT;
-
- if (evt_code == OCRDMA_ASYNC_RDMA_EVE_CODE)
+ switch (evt_code) {
+ case OCRDMA_ASYNC_LINK_EVE_CODE:
+ ocrdma_process_link_state(dev, cqe);
+ break;
+ case OCRDMA_ASYNC_RDMA_EVE_CODE:
ocrdma_dispatch_ibevent(dev, cqe);
- else if (evt_code == OCRDMA_ASYNC_GRP5_EVE_CODE)
+ break;
+ case OCRDMA_ASYNC_GRP5_EVE_CODE:
ocrdma_process_grp5_aync(dev, cqe);
- else
+ break;
+ default:
pr_err("%s(%d) invalid evt code=0x%x\n", __func__,
dev->id, evt_code);
+ }
}
static void ocrdma_process_mcqe(struct ocrdma_dev *dev, struct ocrdma_mcqe *cqe)
@@ -1363,7 +1387,8 @@ mbx_err:
return status;
}
-int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed)
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
+ u8 *lnk_state)
{
int status = -ENOMEM;
struct ocrdma_get_link_speed_rsp *rsp;
@@ -1384,8 +1409,11 @@ int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed)
goto mbx_err;
rsp = (struct ocrdma_get_link_speed_rsp *)cmd;
- *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK)
- >> OCRDMA_PHY_PS_SHIFT;
+ if (lnk_speed)
+ *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK)
+ >> OCRDMA_PHY_PS_SHIFT;
+ if (lnk_state)
+ *lnk_state = (rsp->res_lnk_st & OCRDMA_LINK_ST_MASK);
mbx_err:
kfree(cmd);
@@ -2515,9 +2543,10 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp,
ocrdma_cpu_to_le32(&cmd->params.sgid[0], sizeof(cmd->params.sgid));
cmd->params.vlan_dmac_b4_to_b5 = mac_addr[4] | (mac_addr[5] << 8);
- if (vlan_id < 0x1000) {
- if (dev->pfc_state) {
- vlan_id = 0;
+ if (vlan_id == 0xFFFF)
+ vlan_id = 0;
+ if (vlan_id || dev->pfc_state) {
+ if (!vlan_id) {
pr_err("ocrdma%d:Using VLAN with PFC is recommended\n",
dev->id);
pr_err("ocrdma%d:Using VLAN 0 for this connection\n",
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
index 7ed885c1851e..ebc1f442aec3 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
@@ -106,7 +106,8 @@ void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
bool solicited, u16 cqe_popped);
/* verbs specific mailbox commands */
-int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed);
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
+ u8 *lnk_st);
int ocrdma_query_config(struct ocrdma_dev *,
struct ocrdma_mbx_query_config *config);
@@ -153,5 +154,6 @@ char *port_speed_string(struct ocrdma_dev *dev);
void ocrdma_init_service_level(struct ocrdma_dev *);
void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);
void ocrdma_free_pd_range(struct ocrdma_dev *dev);
+void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate);
#endif /* __OCRDMA_HW_H__ */
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 62b7009daa6c..3afb40b85159 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -290,6 +290,7 @@ static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev)
static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
{
int status = 0, i;
+ u8 lstate = 0;
struct ocrdma_dev *dev;
dev = (struct ocrdma_dev *)ib_alloc_device(sizeof(struct ocrdma_dev));
@@ -319,6 +320,11 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
if (status)
goto alloc_err;
+ /* Query Link state and update */
+ status = ocrdma_mbx_get_link_speed(dev, NULL, &lstate);
+ if (!status)
+ ocrdma_update_link_state(dev, lstate);
+
for (i = 0; i < ARRAY_SIZE(ocrdma_attributes); i++)
if (device_create_file(&dev->ibdev.dev, ocrdma_attributes[i]))
goto sysfs_err;
@@ -373,7 +379,7 @@ static void ocrdma_remove(struct ocrdma_dev *dev)
ocrdma_remove_free(dev);
}
-static int ocrdma_open(struct ocrdma_dev *dev)
+static int ocrdma_dispatch_port_active(struct ocrdma_dev *dev)
{
struct ib_event port_event;
@@ -384,32 +390,9 @@ static int ocrdma_open(struct ocrdma_dev *dev)
return 0;
}
-static int ocrdma_close(struct ocrdma_dev *dev)
+static int ocrdma_dispatch_port_error(struct ocrdma_dev *dev)
{
- int i;
- struct ocrdma_qp *qp, **cur_qp;
struct ib_event err_event;
- struct ib_qp_attr attrs;
- int attr_mask = IB_QP_STATE;
-
- attrs.qp_state = IB_QPS_ERR;
- mutex_lock(&dev->dev_lock);
- if (dev->qp_tbl) {
- cur_qp = dev->qp_tbl;
- for (i = 0; i < OCRDMA_MAX_QP; i++) {
- qp = cur_qp[i];
- if (qp && qp->ibqp.qp_type != IB_QPT_GSI) {
- /* change the QP state to ERROR */
- _ocrdma_modify_qp(&qp->ibqp, &attrs, attr_mask);
-
- err_event.event = IB_EVENT_QP_FATAL;
- err_event.element.qp = &qp->ibqp;
- err_event.device = &dev->ibdev;
- ib_dispatch_event(&err_event);
- }
- }
- }
- mutex_unlock(&dev->dev_lock);
err_event.event = IB_EVENT_PORT_ERR;
err_event.element.port_num = 1;
@@ -420,7 +403,7 @@ static int ocrdma_close(struct ocrdma_dev *dev)
static void ocrdma_shutdown(struct ocrdma_dev *dev)
{
- ocrdma_close(dev);
+ ocrdma_dispatch_port_error(dev);
ocrdma_remove(dev);
}
@@ -431,18 +414,28 @@ static void ocrdma_shutdown(struct ocrdma_dev *dev)
static void ocrdma_event_handler(struct ocrdma_dev *dev, u32 event)
{
switch (event) {
- case BE_DEV_UP:
- ocrdma_open(dev);
- break;
- case BE_DEV_DOWN:
- ocrdma_close(dev);
- break;
case BE_DEV_SHUTDOWN:
ocrdma_shutdown(dev);
break;
+ default:
+ break;
}
}
+void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate)
+{
+ if (!(dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)) {
+ dev->flags |= OCRDMA_FLAGS_LINK_STATUS_INIT;
+ if (!lstate)
+ return;
+ }
+
+ if (!lstate)
+ ocrdma_dispatch_port_error(dev);
+ else
+ ocrdma_dispatch_port_active(dev);
+}
+
static struct ocrdma_driver ocrdma_drv = {
.name = "ocrdma_driver",
.add = ocrdma_add,
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 6a38268bbe9f..99dd6fdf06d7 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -465,8 +465,11 @@ struct ocrdma_ae_qp_mcqe {
u32 valid_ae_event;
};
-#define OCRDMA_ASYNC_RDMA_EVE_CODE 0x14
-#define OCRDMA_ASYNC_GRP5_EVE_CODE 0x5
+enum ocrdma_async_event_code {
+ OCRDMA_ASYNC_LINK_EVE_CODE = 0x01,
+ OCRDMA_ASYNC_GRP5_EVE_CODE = 0x05,
+ OCRDMA_ASYNC_RDMA_EVE_CODE = 0x14
+};
enum ocrdma_async_grp5_events {
OCRDMA_ASYNC_EVENT_QOS_VALUE = 0x01,
@@ -489,6 +492,44 @@ enum OCRDMA_ASYNC_EVENT_TYPE {
OCRDMA_MAX_ASYNC_ERRORS
};
+struct ocrdma_ae_lnkst_mcqe {
+ u32 speed_state_ptn;
+ u32 qos_reason_falut;
+ u32 evt_tag;
+ u32 valid_ae_event;
+};
+
+enum {
+ OCRDMA_AE_LSC_PORT_NUM_MASK = 0x3F,
+ OCRDMA_AE_LSC_PT_SHIFT = 0x06,
+ OCRDMA_AE_LSC_PT_MASK = (0x03 <<
+ OCRDMA_AE_LSC_PT_SHIFT),
+ OCRDMA_AE_LSC_LS_SHIFT = 0x08,
+ OCRDMA_AE_LSC_LS_MASK = (0xFF <<
+ OCRDMA_AE_LSC_LS_SHIFT),
+ OCRDMA_AE_LSC_LD_SHIFT = 0x10,
+ OCRDMA_AE_LSC_LD_MASK = (0xFF <<
+ OCRDMA_AE_LSC_LD_SHIFT),
+ OCRDMA_AE_LSC_PPS_SHIFT = 0x18,
+ OCRDMA_AE_LSC_PPS_MASK = (0xFF <<
+ OCRDMA_AE_LSC_PPS_SHIFT),
+ OCRDMA_AE_LSC_PPF_MASK = 0xFF,
+ OCRDMA_AE_LSC_ER_SHIFT = 0x08,
+ OCRDMA_AE_LSC_ER_MASK = (0xFF <<
+ OCRDMA_AE_LSC_ER_SHIFT),
+ OCRDMA_AE_LSC_QOS_SHIFT = 0x10,
+ OCRDMA_AE_LSC_QOS_MASK = (0xFFFF <<
+ OCRDMA_AE_LSC_QOS_SHIFT)
+};
+
+enum {
+ OCRDMA_AE_LSC_PLINK_DOWN = 0x00,
+ OCRDMA_AE_LSC_PLINK_UP = 0x01,
+ OCRDMA_AE_LSC_LLINK_DOWN = 0x02,
+ OCRDMA_AE_LSC_LLINK_MASK = 0x02,
+ OCRDMA_AE_LSC_LLINK_UP = 0x03
+};
+
/* mailbox command request and responses */
enum {
OCRDMA_MBX_QUERY_CFG_CQ_OVERFLOW_SHIFT = 2,
@@ -676,7 +717,7 @@ enum {
OCRDMA_PHY_PFLT_SHIFT = 0x18,
OCRDMA_QOS_LNKSP_MASK = 0xFFFF0000,
OCRDMA_QOS_LNKSP_SHIFT = 0x10,
- OCRDMA_LLST_MASK = 0xFF,
+ OCRDMA_LINK_ST_MASK = 0x01,
OCRDMA_PLFC_MASK = 0x00000400,
OCRDMA_PLFC_SHIFT = 0x8,
OCRDMA_PLRFC_MASK = 0x00000200,
@@ -691,7 +732,7 @@ struct ocrdma_get_link_speed_rsp {
u32 pflt_pps_ld_pnum;
u32 qos_lsp;
- u32 res_lls;
+ u32 res_lnk_st;
};
enum {
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 583001bcfb8f..76e96f97b3f6 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -171,7 +171,7 @@ static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
int status;
u8 speed;
- status = ocrdma_mbx_get_link_speed(dev, &speed);
+ status = ocrdma_mbx_get_link_speed(dev, &speed, NULL);
if (status)
speed = OCRDMA_PHYS_LINK_SPEED_ZERO;
diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c
index 932d07307454..da326090c2b0 100644
--- a/drivers/input/joystick/db9.c
+++ b/drivers/input/joystick/db9.c
@@ -592,6 +592,7 @@ static void db9_attach(struct parport *pp)
return;
}
+ memset(&db9_parport_cb, 0, sizeof(db9_parport_cb));
db9_parport_cb.flags = PARPORT_FLAG_EXCL;
pd = parport_register_dev_model(pp, "db9", &db9_parport_cb, port_idx);
diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c
index 5a672dcac0d8..eae14d512353 100644
--- a/drivers/input/joystick/gamecon.c
+++ b/drivers/input/joystick/gamecon.c
@@ -951,6 +951,7 @@ static void gc_attach(struct parport *pp)
pads = gc_cfg[port_idx].args + 1;
n_pads = gc_cfg[port_idx].nargs - 1;
+ memset(&gc_parport_cb, 0, sizeof(gc_parport_cb));
gc_parport_cb.flags = PARPORT_FLAG_EXCL;
pd = parport_register_dev_model(pp, "gamecon", &gc_parport_cb,
diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c
index 9f5bca26bd2f..77f575dd0901 100644
--- a/drivers/input/joystick/turbografx.c
+++ b/drivers/input/joystick/turbografx.c
@@ -181,6 +181,7 @@ static void tgfx_attach(struct parport *pp)
n_buttons = tgfx_cfg[port_idx].args + 1;
n_devs = tgfx_cfg[port_idx].nargs - 1;
+ memset(&tgfx_parport_cb, 0, sizeof(tgfx_parport_cb));
tgfx_parport_cb.flags = PARPORT_FLAG_EXCL;
pd = parport_register_dev_model(pp, "turbografx", &tgfx_parport_cb,
diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c
index 9c07fe911075..70a893a17467 100644
--- a/drivers/input/joystick/walkera0701.c
+++ b/drivers/input/joystick/walkera0701.c
@@ -218,6 +218,7 @@ static void walkera0701_attach(struct parport *pp)
w->parport = pp;
+ memset(&walkera0701_parport_cb, 0, sizeof(walkera0701_parport_cb));
walkera0701_parport_cb.flags = PARPORT_FLAG_EXCL;
walkera0701_parport_cb.irq_func = walkera0701_irq_handler;
walkera0701_parport_cb.private = w;
diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c
index 4bf678541496..d5994a745ffa 100644
--- a/drivers/input/misc/arizona-haptics.c
+++ b/drivers/input/misc/arizona-haptics.c
@@ -97,8 +97,7 @@ static void arizona_haptics_work(struct work_struct *work)
ret = regmap_update_bits(arizona->regmap,
ARIZONA_HAPTICS_CONTROL_1,
- ARIZONA_HAP_CTRL_MASK,
- 1 << ARIZONA_HAP_CTRL_SHIFT);
+ ARIZONA_HAP_CTRL_MASK, 0);
if (ret != 0) {
dev_err(arizona->dev, "Failed to stop haptics: %d\n",
ret);
diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index 8aee71986430..96c486de49e0 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -20,70 +20,78 @@
#include <linux/input.h>
#include <linux/device.h>
#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/rotary_encoder.h>
+#include <linux/gpio/consumer.h>
#include <linux/slab.h>
#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/of_gpio.h>
#include <linux/pm.h>
+#include <linux/property.h>
#define DRV_NAME "rotary-encoder"
struct rotary_encoder {
struct input_dev *input;
- const struct rotary_encoder_platform_data *pdata;
- unsigned int axis;
+ struct mutex access_mutex;
+
+ u32 steps;
+ u32 axis;
+ bool relative_axis;
+ bool rollover;
+
unsigned int pos;
- unsigned int irq_a;
- unsigned int irq_b;
+ struct gpio_descs *gpios;
+
+ unsigned int *irq;
bool armed;
- unsigned char dir; /* 0 - clockwise, 1 - CCW */
+ signed char dir; /* 1 - clockwise, -1 - CCW */
- char last_stable;
+ unsigned last_stable;
};
-static int rotary_encoder_get_state(const struct rotary_encoder_platform_data *pdata)
+static unsigned rotary_encoder_get_state(struct rotary_encoder *encoder)
{
- int a = !!gpio_get_value(pdata->gpio_a);
- int b = !!gpio_get_value(pdata->gpio_b);
+ int i;
+ unsigned ret = 0;
- a ^= pdata->inverted_a;
- b ^= pdata->inverted_b;
+ for (i = 0; i < encoder->gpios->ndescs; ++i) {
+ int val = gpiod_get_value_cansleep(encoder->gpios->desc[i]);
+ /* convert from gray encoding to normal */
+ if (ret & 1)
+ val = !val;
- return ((a << 1) | b);
+ ret = ret << 1 | val;
+ }
+
+ return ret & 3;
}
static void rotary_encoder_report_event(struct rotary_encoder *encoder)
{
- const struct rotary_encoder_platform_data *pdata = encoder->pdata;
-
- if (pdata->relative_axis) {
+ if (encoder->relative_axis) {
input_report_rel(encoder->input,
- pdata->axis, encoder->dir ? -1 : 1);
+ encoder->axis, encoder->dir);
} else {
unsigned int pos = encoder->pos;
- if (encoder->dir) {
+ if (encoder->dir < 0) {
/* turning counter-clockwise */
- if (pdata->rollover)
- pos += pdata->steps;
+ if (encoder->rollover)
+ pos += encoder->steps;
if (pos)
pos--;
} else {
/* turning clockwise */
- if (pdata->rollover || pos < pdata->steps)
+ if (encoder->rollover || pos < encoder->steps)
pos++;
}
- if (pdata->rollover)
- pos %= pdata->steps;
+ if (encoder->rollover)
+ pos %= encoder->steps;
encoder->pos = pos;
- input_report_abs(encoder->input, pdata->axis, encoder->pos);
+ input_report_abs(encoder->input, encoder->axis, encoder->pos);
}
input_sync(encoder->input);
@@ -92,9 +100,11 @@ static void rotary_encoder_report_event(struct rotary_encoder *encoder)
static irqreturn_t rotary_encoder_irq(int irq, void *dev_id)
{
struct rotary_encoder *encoder = dev_id;
- int state;
+ unsigned state;
- state = rotary_encoder_get_state(encoder->pdata);
+ mutex_lock(&encoder->access_mutex);
+
+ state = rotary_encoder_get_state(encoder);
switch (state) {
case 0x0:
@@ -105,334 +115,227 @@ static irqreturn_t rotary_encoder_irq(int irq, void *dev_id)
break;
case 0x1:
- case 0x2:
+ case 0x3:
if (encoder->armed)
- encoder->dir = state - 1;
+ encoder->dir = 2 - state;
break;
- case 0x3:
+ case 0x2:
encoder->armed = true;
break;
}
+ mutex_unlock(&encoder->access_mutex);
+
return IRQ_HANDLED;
}
static irqreturn_t rotary_encoder_half_period_irq(int irq, void *dev_id)
{
struct rotary_encoder *encoder = dev_id;
- int state;
+ unsigned int state;
- state = rotary_encoder_get_state(encoder->pdata);
+ mutex_lock(&encoder->access_mutex);
- switch (state) {
- case 0x00:
- case 0x03:
+ state = rotary_encoder_get_state(encoder);
+
+ if (state & 1) {
+ encoder->dir = ((encoder->last_stable - state + 1) % 4) - 1;
+ } else {
if (state != encoder->last_stable) {
rotary_encoder_report_event(encoder);
encoder->last_stable = state;
}
- break;
-
- case 0x01:
- case 0x02:
- encoder->dir = (encoder->last_stable + state) & 0x01;
- break;
}
+ mutex_unlock(&encoder->access_mutex);
+
return IRQ_HANDLED;
}
static irqreturn_t rotary_encoder_quarter_period_irq(int irq, void *dev_id)
{
struct rotary_encoder *encoder = dev_id;
- unsigned char sum;
- int state;
-
- state = rotary_encoder_get_state(encoder->pdata);
-
- /*
- * We encode the previous and the current state using a byte.
- * The previous state in the MSB nibble, the current state in the LSB
- * nibble. Then use a table to decide the direction of the turn.
- */
- sum = (encoder->last_stable << 4) + state;
- switch (sum) {
- case 0x31:
- case 0x10:
- case 0x02:
- case 0x23:
- encoder->dir = 0; /* clockwise */
- break;
+ unsigned int state;
- case 0x13:
- case 0x01:
- case 0x20:
- case 0x32:
- encoder->dir = 1; /* counter-clockwise */
- break;
+ mutex_lock(&encoder->access_mutex);
- default:
- /*
- * Ignore all other values. This covers the case when the
- * state didn't change (a spurious interrupt) and the
- * cases where the state changed by two steps, making it
- * impossible to tell the direction.
- *
- * In either case, don't report any event and save the
- * state for later.
- */
+ state = rotary_encoder_get_state(encoder);
+
+ if ((encoder->last_stable + 1) % 4 == state)
+ encoder->dir = 1;
+ else if (encoder->last_stable == (state + 1) % 4)
+ encoder->dir = -1;
+ else
goto out;
- }
rotary_encoder_report_event(encoder);
out:
encoder->last_stable = state;
+ mutex_unlock(&encoder->access_mutex);
+
return IRQ_HANDLED;
}
-#ifdef CONFIG_OF
-static const struct of_device_id rotary_encoder_of_match[] = {
- { .compatible = "rotary-encoder", },
- { },
-};
-MODULE_DEVICE_TABLE(of, rotary_encoder_of_match);
-
-static struct rotary_encoder_platform_data *rotary_encoder_parse_dt(struct device *dev)
+static int rotary_encoder_probe(struct platform_device *pdev)
{
- const struct of_device_id *of_id =
- of_match_device(rotary_encoder_of_match, dev);
- struct device_node *np = dev->of_node;
- struct rotary_encoder_platform_data *pdata;
- enum of_gpio_flags flags;
- int error;
-
- if (!of_id || !np)
- return NULL;
-
- pdata = kzalloc(sizeof(struct rotary_encoder_platform_data),
- GFP_KERNEL);
- if (!pdata)
- return ERR_PTR(-ENOMEM);
-
- of_property_read_u32(np, "rotary-encoder,steps", &pdata->steps);
- of_property_read_u32(np, "linux,axis", &pdata->axis);
+ struct device *dev = &pdev->dev;
+ struct rotary_encoder *encoder;
+ struct input_dev *input;
+ irq_handler_t handler;
+ u32 steps_per_period;
+ unsigned int i;
+ int err;
- pdata->gpio_a = of_get_gpio_flags(np, 0, &flags);
- pdata->inverted_a = flags & OF_GPIO_ACTIVE_LOW;
+ encoder = devm_kzalloc(dev, sizeof(struct rotary_encoder), GFP_KERNEL);
+ if (!encoder)
+ return -ENOMEM;
- pdata->gpio_b = of_get_gpio_flags(np, 1, &flags);
- pdata->inverted_b = flags & OF_GPIO_ACTIVE_LOW;
+ mutex_init(&encoder->access_mutex);
- pdata->relative_axis =
- of_property_read_bool(np, "rotary-encoder,relative-axis");
- pdata->rollover = of_property_read_bool(np, "rotary-encoder,rollover");
+ device_property_read_u32(dev, "rotary-encoder,steps", &encoder->steps);
- error = of_property_read_u32(np, "rotary-encoder,steps-per-period",
- &pdata->steps_per_period);
- if (error) {
+ err = device_property_read_u32(dev, "rotary-encoder,steps-per-period",
+ &steps_per_period);
+ if (err) {
/*
- * The 'half-period' property has been deprecated, you must use
- * 'steps-per-period' and set an appropriate value, but we still
- * need to parse it to maintain compatibility.
+ * The 'half-period' property has been deprecated, you must
+ * use 'steps-per-period' and set an appropriate value, but
+ * we still need to parse it to maintain compatibility. If
+ * neither property is present we fall back to the one step
+ * per period behavior.
*/
- if (of_property_read_bool(np, "rotary-encoder,half-period")) {
- pdata->steps_per_period = 2;
- } else {
- /* Fallback to one step per period behavior */
- pdata->steps_per_period = 1;
- }
+ steps_per_period = device_property_read_bool(dev,
+ "rotary-encoder,half-period") ? 2 : 1;
}
- pdata->wakeup_source = of_property_read_bool(np, "wakeup-source");
+ encoder->rollover =
+ device_property_read_bool(dev, "rotary-encoder,rollover");
- return pdata;
-}
-#else
-static inline struct rotary_encoder_platform_data *
-rotary_encoder_parse_dt(struct device *dev)
-{
- return NULL;
-}
-#endif
-
-static int rotary_encoder_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- const struct rotary_encoder_platform_data *pdata = dev_get_platdata(dev);
- struct rotary_encoder *encoder;
- struct input_dev *input;
- irq_handler_t handler;
- int err;
-
- if (!pdata) {
- pdata = rotary_encoder_parse_dt(dev);
- if (IS_ERR(pdata))
- return PTR_ERR(pdata);
+ device_property_read_u32(dev, "linux,axis", &encoder->axis);
+ encoder->relative_axis =
+ device_property_read_bool(dev, "rotary-encoder,relative-axis");
- if (!pdata) {
- dev_err(dev, "missing platform data\n");
- return -EINVAL;
- }
+ encoder->gpios = devm_gpiod_get_array(dev, NULL, GPIOD_IN);
+ if (IS_ERR(encoder->gpios)) {
+ dev_err(dev, "unable to get gpios\n");
+ return PTR_ERR(encoder->gpios);
}
-
- encoder = kzalloc(sizeof(struct rotary_encoder), GFP_KERNEL);
- input = input_allocate_device();
- if (!encoder || !input) {
- err = -ENOMEM;
- goto exit_free_mem;
+ if (encoder->gpios->ndescs < 2) {
+ dev_err(dev, "not enough gpios found\n");
+ return -EINVAL;
}
+ input = devm_input_allocate_device(dev);
+ if (!input)
+ return -ENOMEM;
+
encoder->input = input;
- encoder->pdata = pdata;
input->name = pdev->name;
input->id.bustype = BUS_HOST;
input->dev.parent = dev;
- if (pdata->relative_axis) {
- input->evbit[0] = BIT_MASK(EV_REL);
- input->relbit[0] = BIT_MASK(pdata->axis);
- } else {
- input->evbit[0] = BIT_MASK(EV_ABS);
- input_set_abs_params(encoder->input,
- pdata->axis, 0, pdata->steps, 0, 1);
- }
-
- /* request the GPIOs */
- err = gpio_request_one(pdata->gpio_a, GPIOF_IN, dev_name(dev));
- if (err) {
- dev_err(dev, "unable to request GPIO %d\n", pdata->gpio_a);
- goto exit_free_mem;
- }
-
- err = gpio_request_one(pdata->gpio_b, GPIOF_IN, dev_name(dev));
- if (err) {
- dev_err(dev, "unable to request GPIO %d\n", pdata->gpio_b);
- goto exit_free_gpio_a;
- }
-
- encoder->irq_a = gpio_to_irq(pdata->gpio_a);
- encoder->irq_b = gpio_to_irq(pdata->gpio_b);
+ if (encoder->relative_axis)
+ input_set_capability(input, EV_REL, encoder->axis);
+ else
+ input_set_abs_params(input,
+ encoder->axis, 0, encoder->steps, 0, 1);
- switch (pdata->steps_per_period) {
+ switch (steps_per_period >> (encoder->gpios->ndescs - 2)) {
case 4:
handler = &rotary_encoder_quarter_period_irq;
- encoder->last_stable = rotary_encoder_get_state(pdata);
+ encoder->last_stable = rotary_encoder_get_state(encoder);
break;
case 2:
handler = &rotary_encoder_half_period_irq;
- encoder->last_stable = rotary_encoder_get_state(pdata);
+ encoder->last_stable = rotary_encoder_get_state(encoder);
break;
case 1:
handler = &rotary_encoder_irq;
break;
default:
dev_err(dev, "'%d' is not a valid steps-per-period value\n",
- pdata->steps_per_period);
- err = -EINVAL;
- goto exit_free_gpio_b;
+ steps_per_period);
+ return -EINVAL;
}
- err = request_irq(encoder->irq_a, handler,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
- DRV_NAME, encoder);
- if (err) {
- dev_err(dev, "unable to request IRQ %d\n", encoder->irq_a);
- goto exit_free_gpio_b;
- }
-
- err = request_irq(encoder->irq_b, handler,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
- DRV_NAME, encoder);
- if (err) {
- dev_err(dev, "unable to request IRQ %d\n", encoder->irq_b);
- goto exit_free_irq_a;
+ encoder->irq =
+ devm_kzalloc(dev,
+ sizeof(*encoder->irq) * encoder->gpios->ndescs,
+ GFP_KERNEL);
+ if (!encoder->irq)
+ return -ENOMEM;
+
+ for (i = 0; i < encoder->gpios->ndescs; ++i) {
+ encoder->irq[i] = gpiod_to_irq(encoder->gpios->desc[i]);
+
+ err = devm_request_threaded_irq(dev, encoder->irq[i],
+ NULL, handler,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+ IRQF_ONESHOT,
+ DRV_NAME, encoder);
+ if (err) {
+ dev_err(dev, "unable to request IRQ %d (gpio#%d)\n",
+ encoder->irq[i], i);
+ return err;
+ }
}
err = input_register_device(input);
if (err) {
dev_err(dev, "failed to register input device\n");
- goto exit_free_irq_b;
+ return err;
}
- device_init_wakeup(&pdev->dev, pdata->wakeup_source);
+ device_init_wakeup(dev,
+ device_property_read_bool(dev, "wakeup-source"));
platform_set_drvdata(pdev, encoder);
return 0;
-
-exit_free_irq_b:
- free_irq(encoder->irq_b, encoder);
-exit_free_irq_a:
- free_irq(encoder->irq_a, encoder);
-exit_free_gpio_b:
- gpio_free(pdata->gpio_b);
-exit_free_gpio_a:
- gpio_free(pdata->gpio_a);
-exit_free_mem:
- input_free_device(input);
- kfree(encoder);
- if (!dev_get_platdata(&pdev->dev))
- kfree(pdata);
-
- return err;
}
-static int rotary_encoder_remove(struct platform_device *pdev)
-{
- struct rotary_encoder *encoder = platform_get_drvdata(pdev);
- const struct rotary_encoder_platform_data *pdata = encoder->pdata;
-
- device_init_wakeup(&pdev->dev, false);
-
- free_irq(encoder->irq_a, encoder);
- free_irq(encoder->irq_b, encoder);
- gpio_free(pdata->gpio_a);
- gpio_free(pdata->gpio_b);
-
- input_unregister_device(encoder->input);
- kfree(encoder);
-
- if (!dev_get_platdata(&pdev->dev))
- kfree(pdata);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int rotary_encoder_suspend(struct device *dev)
+static int __maybe_unused rotary_encoder_suspend(struct device *dev)
{
struct rotary_encoder *encoder = dev_get_drvdata(dev);
+ unsigned int i;
if (device_may_wakeup(dev)) {
- enable_irq_wake(encoder->irq_a);
- enable_irq_wake(encoder->irq_b);
+ for (i = 0; i < encoder->gpios->ndescs; ++i)
+ enable_irq_wake(encoder->irq[i]);
}
return 0;
}
-static int rotary_encoder_resume(struct device *dev)
+static int __maybe_unused rotary_encoder_resume(struct device *dev)
{
struct rotary_encoder *encoder = dev_get_drvdata(dev);
+ unsigned int i;
if (device_may_wakeup(dev)) {
- disable_irq_wake(encoder->irq_a);
- disable_irq_wake(encoder->irq_b);
+ for (i = 0; i < encoder->gpios->ndescs; ++i)
+ disable_irq_wake(encoder->irq[i]);
}
return 0;
}
-#endif
static SIMPLE_DEV_PM_OPS(rotary_encoder_pm_ops,
- rotary_encoder_suspend, rotary_encoder_resume);
+ rotary_encoder_suspend, rotary_encoder_resume);
+
+#ifdef CONFIG_OF
+static const struct of_device_id rotary_encoder_of_match[] = {
+ { .compatible = "rotary-encoder", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, rotary_encoder_of_match);
+#endif
static struct platform_driver rotary_encoder_driver = {
.probe = rotary_encoder_probe,
- .remove = rotary_encoder_remove,
.driver = {
.name = DRV_NAME,
.pm = &rotary_encoder_pm_ops,
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 5e1665bbaa0b..2f589857a039 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -41,6 +41,7 @@
#define DRIVER_NAME "elan_i2c"
#define ELAN_DRIVER_VERSION "1.6.1"
+#define ELAN_VENDOR_ID 0x04f3
#define ETP_MAX_PRESSURE 255
#define ETP_FWIDTH_REDUCE 90
#define ETP_FINGER_WIDTH 15
@@ -914,6 +915,8 @@ static int elan_setup_input_device(struct elan_tp_data *data)
input->name = "Elan Touchpad";
input->id.bustype = BUS_I2C;
+ input->id.vendor = ELAN_VENDOR_ID;
+ input->id.product = data->product_id;
input_set_drvdata(input, data);
error = input_mt_init_slots(input, ETP_MAX_FINGERS,
diff --git a/drivers/input/serio/parkbd.c b/drivers/input/serio/parkbd.c
index 92c31b8f8fb4..1edfac78d4ac 100644
--- a/drivers/input/serio/parkbd.c
+++ b/drivers/input/serio/parkbd.c
@@ -145,6 +145,7 @@ static int parkbd_getport(struct parport *pp)
{
struct pardev_cb parkbd_parport_cb;
+ memset(&parkbd_parport_cb, 0, sizeof(parkbd_parport_cb));
parkbd_parport_cb.irq_func = parkbd_interrupt;
parkbd_parport_cb.flags = PARPORT_FLAG_EXCL;
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index e7f966da6efa..78ca44840d60 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1819,6 +1819,14 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
input_set_abs_params(inputdev, ABS_TILT_Y, AIPTEK_TILT_MIN, AIPTEK_TILT_MAX, 0, 0);
input_set_abs_params(inputdev, ABS_WHEEL, AIPTEK_WHEEL_MIN, AIPTEK_WHEEL_MAX - 1, 0, 0);
+ /* Verify that a device really has an endpoint */
+ if (intf->altsetting[0].desc.bNumEndpoints < 1) {
+ dev_err(&intf->dev,
+ "interface has %d endpoints, but must have minimum 1\n",
+ intf->altsetting[0].desc.bNumEndpoints);
+ err = -EINVAL;
+ goto fail3;
+ }
endpoint = &intf->altsetting[0].endpoint[0].desc;
/* Go set up our URB, which is called when the tablet receives
@@ -1861,6 +1869,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
if (i == ARRAY_SIZE(speeds)) {
dev_info(&intf->dev,
"Aiptek tried all speeds, no sane response\n");
+ err = -EINVAL;
goto fail3;
}
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 4a1d218f883b..2160512e861a 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -2471,6 +2471,31 @@ static struct mxt_acpi_platform_data samus_platform_data[] = {
{ }
};
+static unsigned int chromebook_tp_buttons[] = {
+ KEY_RESERVED,
+ KEY_RESERVED,
+ KEY_RESERVED,
+ KEY_RESERVED,
+ KEY_RESERVED,
+ BTN_LEFT
+};
+
+static struct mxt_acpi_platform_data chromebook_platform_data[] = {
+ {
+ /* Touchpad */
+ .hid = "ATML0000",
+ .pdata = {
+ .t19_num_keys = ARRAY_SIZE(chromebook_tp_buttons),
+ .t19_keymap = chromebook_tp_buttons,
+ },
+ },
+ {
+ /* Touchscreen */
+ .hid = "ATML0001",
+ },
+ { }
+};
+
static const struct dmi_system_id mxt_dmi_table[] = {
{
/* 2015 Google Pixel */
@@ -2481,6 +2506,14 @@ static const struct dmi_system_id mxt_dmi_table[] = {
},
.driver_data = samus_platform_data,
},
+ {
+ /* Other Google Chromebooks */
+ .ident = "Chromebook",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
+ },
+ .driver_data = chromebook_platform_data,
+ },
{ }
};
@@ -2685,6 +2718,7 @@ static const struct i2c_device_id mxt_id[] = {
{ "qt602240_ts", 0 },
{ "atmel_mxt_ts", 0 },
{ "atmel_mxt_tp", 0 },
+ { "maxtouch", 0 },
{ "mXT224", 0 },
{ }
};
diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index 17cc20ef4923..ac09855fa435 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -1316,7 +1316,13 @@ static int __maybe_unused elants_i2c_suspend(struct device *dev)
disable_irq(client->irq);
- if (device_may_wakeup(dev) || ts->keep_power_in_suspend) {
+ if (device_may_wakeup(dev)) {
+ /*
+ * The device will automatically enter idle mode
+ * that has reduced power consumption.
+ */
+ ts->wake_irq_enabled = (enable_irq_wake(client->irq) == 0);
+ } else if (ts->keep_power_in_suspend) {
for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) {
error = elants_i2c_send(client, set_sleep_cmd,
sizeof(set_sleep_cmd));
@@ -1326,10 +1332,6 @@ static int __maybe_unused elants_i2c_suspend(struct device *dev)
dev_err(&client->dev,
"suspend command failed: %d\n", error);
}
-
- if (device_may_wakeup(dev))
- ts->wake_irq_enabled =
- (enable_irq_wake(client->irq) == 0);
} else {
elants_i2c_power_off(ts);
}
@@ -1345,10 +1347,11 @@ static int __maybe_unused elants_i2c_resume(struct device *dev)
int retry_cnt;
int error;
- if (device_may_wakeup(dev) && ts->wake_irq_enabled)
- disable_irq_wake(client->irq);
-
- if (ts->keep_power_in_suspend) {
+ if (device_may_wakeup(dev)) {
+ if (ts->wake_irq_enabled)
+ disable_irq_wake(client->irq);
+ elants_i2c_sw_reset(client);
+ } else if (ts->keep_power_in_suspend) {
for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) {
error = elants_i2c_send(client, set_active_cmd,
sizeof(set_active_cmd));
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index d21d4edf7236..7caf2fa237f2 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -494,6 +494,22 @@ static void handle_fault_error(struct fault *fault)
}
}
+static bool access_error(struct vm_area_struct *vma, struct fault *fault)
+{
+ unsigned long requested = 0;
+
+ if (fault->flags & PPR_FAULT_EXEC)
+ requested |= VM_EXEC;
+
+ if (fault->flags & PPR_FAULT_READ)
+ requested |= VM_READ;
+
+ if (fault->flags & PPR_FAULT_WRITE)
+ requested |= VM_WRITE;
+
+ return (requested & ~vma->vm_flags) != 0;
+}
+
static void do_fault(struct work_struct *work)
{
struct fault *fault = container_of(work, struct fault, work);
@@ -516,8 +532,8 @@ static void do_fault(struct work_struct *work)
goto out;
}
- if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))) {
- /* handle_mm_fault would BUG_ON() */
+ /* Check if we have the right permissions on the vma */
+ if (access_error(vma, fault)) {
up_read(&mm->mmap_sem);
handle_fault_error(fault);
goto out;
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 3a20db4f8604..72d6182666cb 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -21,10 +21,13 @@
#include <linux/device.h>
#include <linux/dma-iommu.h>
+#include <linux/gfp.h>
#include <linux/huge_mm.h>
#include <linux/iommu.h>
#include <linux/iova.h>
#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/vmalloc.h>
int iommu_dma_init(void)
{
@@ -191,6 +194,7 @@ static struct page **__iommu_dma_alloc_pages(unsigned int count, gfp_t gfp)
{
struct page **pages;
unsigned int i = 0, array_size = count * sizeof(*pages);
+ unsigned int order = MAX_ORDER;
if (array_size <= PAGE_SIZE)
pages = kzalloc(array_size, GFP_KERNEL);
@@ -204,14 +208,15 @@ static struct page **__iommu_dma_alloc_pages(unsigned int count, gfp_t gfp)
while (count) {
struct page *page = NULL;
- int j, order = __fls(count);
+ int j;
/*
* Higher-order allocations are a convenience rather
* than a necessity, hence using __GFP_NORETRY until
* falling back to single-page allocations.
*/
- for (order = min(order, MAX_ORDER); order > 0; order--) {
+ for (order = min_t(unsigned int, order, __fls(count));
+ order > 0; order--) {
page = alloc_pages(gfp | __GFP_NORETRY, order);
if (!page)
continue;
@@ -453,7 +458,7 @@ int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg,
size_t s_offset = iova_offset(iovad, s->offset);
size_t s_length = s->length;
- sg_dma_address(s) = s->offset;
+ sg_dma_address(s) = s_offset;
sg_dma_len(s) = s_length;
s->offset -= s_offset;
s_length = iova_align(iovad, s_length + s_offset);
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index f1042daef9ad..ac7387686ddc 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2159,7 +2159,7 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
sg_res = aligned_nrpages(sg->offset, sg->length);
sg->dma_address = ((dma_addr_t)iov_pfn << VTD_PAGE_SHIFT) + sg->offset;
sg->dma_length = sg->length;
- pteval = (sg_phys(sg) & PAGE_MASK) | prot;
+ pteval = page_to_phys(sg_page(sg)) | prot;
phys_pfn = pteval >> VTD_PAGE_SHIFT;
}
@@ -3704,7 +3704,7 @@ static int intel_nontranslate_map_sg(struct device *hddev,
for_each_sg(sglist, sg, nelems, i) {
BUG_ON(!sg_page(sg));
- sg->dma_address = sg_phys(sg);
+ sg->dma_address = page_to_phys(sg_page(sg)) + sg->offset;
sg->dma_length = sg->length;
}
return nelems;
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index c69e3f9ec958..50464833d0b8 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -484,6 +484,23 @@ struct page_req_dsc {
};
#define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x10)
+
+static bool access_error(struct vm_area_struct *vma, struct page_req_dsc *req)
+{
+ unsigned long requested = 0;
+
+ if (req->exe_req)
+ requested |= VM_EXEC;
+
+ if (req->rd_req)
+ requested |= VM_READ;
+
+ if (req->wr_req)
+ requested |= VM_WRITE;
+
+ return (requested & ~vma->vm_flags) != 0;
+}
+
static irqreturn_t prq_event_thread(int irq, void *d)
{
struct intel_iommu *iommu = d;
@@ -539,6 +556,9 @@ static irqreturn_t prq_event_thread(int irq, void *d)
if (!vma || address < vma->vm_start)
goto invalid;
+ if (access_error(vma, req))
+ goto invalid;
+
ret = handle_mm_fault(svm->mm, vma, address,
req->wr_req ? FAULT_FLAG_WRITE : 0);
if (ret & VM_FAULT_ERROR)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index abae363c7b9b..0e3b0092ec92 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -1430,7 +1430,7 @@ size_t default_iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap);
for_each_sg(sg, s, nents, i) {
- phys_addr_t phys = sg_phys(s);
+ phys_addr_t phys = page_to_phys(sg_page(s)) + s->offset;
/*
* We are mapping on IOMMU page boundaries, so offset within
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 8cf605fa9946..dfb868e2d129 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -295,7 +295,7 @@ static struct iommu_gather_ops ipmmu_gather_ops = {
static int ipmmu_domain_init_context(struct ipmmu_vmsa_domain *domain)
{
- phys_addr_t ttbr;
+ u64 ttbr;
/*
* Allocate the page table operations.
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index 375be509e95f..2a506fe0c8a4 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -67,8 +67,7 @@ static int write_modem(struct cardstate *cs)
struct sk_buff *skb = bcs->tx_skb;
int sent = -EOPNOTSUPP;
- if (!tty || !tty->driver || !skb)
- return -EINVAL;
+ WARN_ON(!tty || !tty->ops || !skb);
if (!skb->len) {
dev_kfree_skb_any(skb);
@@ -109,8 +108,7 @@ static int send_cb(struct cardstate *cs)
unsigned long flags;
int sent = 0;
- if (!tty || !tty->driver)
- return -EFAULT;
+ WARN_ON(!tty || !tty->ops);
cb = cs->cmdbuf;
if (!cb)
@@ -370,19 +368,18 @@ static void gigaset_freecshw(struct cardstate *cs)
tasklet_kill(&cs->write_tasklet);
if (!cs->hw.ser)
return;
- dev_set_drvdata(&cs->hw.ser->dev.dev, NULL);
platform_device_unregister(&cs->hw.ser->dev);
- kfree(cs->hw.ser);
- cs->hw.ser = NULL;
}
static void gigaset_device_release(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
+ struct cardstate *cs = dev_get_drvdata(dev);
- /* adapted from platform_device_release() in drivers/base/platform.c */
- kfree(dev->platform_data);
- kfree(pdev->resource);
+ if (!cs)
+ return;
+ dev_set_drvdata(dev, NULL);
+ kfree(cs->hw.ser);
+ cs->hw.ser = NULL;
}
/*
@@ -432,7 +429,9 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
struct tty_struct *tty = cs->hw.ser->tty;
unsigned int set, clear;
- if (!tty || !tty->driver || !tty->ops->tiocmset)
+ WARN_ON(!tty || !tty->ops);
+ /* tiocmset is an optional tty driver method */
+ if (!tty->ops->tiocmset)
return -EINVAL;
set = new_state & ~old_state;
clear = old_state & ~new_state;
diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c
index a77eea594b69..cb428b9ee441 100644
--- a/drivers/isdn/hardware/mISDN/mISDNipac.c
+++ b/drivers/isdn/hardware/mISDN/mISDNipac.c
@@ -1170,7 +1170,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop)
if (ipac->type & IPAC_TYPE_IPACX) {
ista = ReadIPAC(ipac, ISACX_ISTA);
- while (ista && cnt--) {
+ while (ista && --cnt) {
pr_debug("%s: ISTA %02x\n", ipac->name, ista);
if (ista & IPACX__ICA)
ipac_irq(&ipac->hscx[0], ista);
@@ -1182,7 +1182,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop)
}
} else if (ipac->type & IPAC_TYPE_IPAC) {
ista = ReadIPAC(ipac, IPAC_ISTA);
- while (ista && cnt--) {
+ while (ista && --cnt) {
pr_debug("%s: ISTA %02x\n", ipac->name, ista);
if (ista & (IPAC__ICD | IPAC__EXD)) {
istad = ReadISAC(isac, ISAC_ISTA);
@@ -1200,7 +1200,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop)
ista = ReadIPAC(ipac, IPAC_ISTA);
}
} else if (ipac->type & IPAC_TYPE_HSCX) {
- while (cnt) {
+ while (--cnt) {
ista = ReadIPAC(ipac, IPAC_ISTAB + ipac->hscx[1].off);
pr_debug("%s: B2 ISTA %02x\n", ipac->name, ista);
if (ista)
@@ -1211,7 +1211,6 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop)
mISDNisac_irq(isac, istad);
if (0 == (ista | istad))
break;
- cnt--;
}
}
if (cnt > maxloop) /* only for ISAC/HSCX without PCI IRQ test */
diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
index f434e89e1c7a..a54b339951a3 100644
--- a/drivers/lightnvm/gennvm.c
+++ b/drivers/lightnvm/gennvm.c
@@ -75,7 +75,7 @@ static int gennvm_block_bb(struct ppa_addr ppa, int nr_blocks, u8 *blks,
struct nvm_block *blk;
int i;
- lun = &gn->luns[(dev->nr_luns * ppa.g.ch) + ppa.g.lun];
+ lun = &gn->luns[(dev->luns_per_chnl * ppa.g.ch) + ppa.g.lun];
for (i = 0; i < nr_blocks; i++) {
if (blks[i] == 0)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 807095f4c793..61aacab424cf 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -314,8 +314,8 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
*/
void mddev_suspend(struct mddev *mddev)
{
- BUG_ON(mddev->suspended);
- mddev->suspended = 1;
+ if (mddev->suspended++)
+ return;
synchronize_rcu();
wait_event(mddev->sb_wait, atomic_read(&mddev->active_io) == 0);
mddev->pers->quiesce(mddev, 1);
@@ -326,7 +326,8 @@ EXPORT_SYMBOL_GPL(mddev_suspend);
void mddev_resume(struct mddev *mddev)
{
- mddev->suspended = 0;
+ if (--mddev->suspended)
+ return;
wake_up(&mddev->sb_wait);
mddev->pers->quiesce(mddev, 0);
@@ -1652,7 +1653,7 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
rdev->journal_tail = le64_to_cpu(sb->journal_tail);
if (mddev->recovery_cp == MaxSector)
set_bit(MD_JOURNAL_CLEAN, &mddev->flags);
- rdev->raid_disk = mddev->raid_disks;
+ rdev->raid_disk = 0;
break;
default:
rdev->saved_raid_disk = role;
@@ -2773,6 +2774,7 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len)
/* Activating a spare .. or possibly reactivating
* if we ever get bitmaps working here.
*/
+ int err;
if (rdev->raid_disk != -1)
return -EBUSY;
@@ -2794,9 +2796,15 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len)
rdev->saved_raid_disk = -1;
clear_bit(In_sync, &rdev->flags);
clear_bit(Bitmap_sync, &rdev->flags);
- remove_and_add_spares(rdev->mddev, rdev);
- if (rdev->raid_disk == -1)
- return -EBUSY;
+ err = rdev->mddev->pers->
+ hot_add_disk(rdev->mddev, rdev);
+ if (err) {
+ rdev->raid_disk = -1;
+ return err;
+ } else
+ sysfs_notify_dirent_safe(rdev->sysfs_state);
+ if (sysfs_link_rdev(rdev->mddev, rdev))
+ /* failure here is OK */;
/* don't wakeup anyone, leave that to userspace. */
} else {
if (slot >= rdev->mddev->raid_disks &&
@@ -4318,8 +4326,7 @@ action_store(struct mddev *mddev, const char *page, size_t len)
}
mddev_unlock(mddev);
}
- } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
- test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
+ } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
return -EBUSY;
else if (cmd_match(page, "resync"))
clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
@@ -4332,8 +4339,12 @@ action_store(struct mddev *mddev, const char *page, size_t len)
return -EINVAL;
err = mddev_lock(mddev);
if (!err) {
- clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
- err = mddev->pers->start_reshape(mddev);
+ if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
+ err = -EBUSY;
+ else {
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+ err = mddev->pers->start_reshape(mddev);
+ }
mddev_unlock(mddev);
}
if (err)
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 2bea51edfab7..ca0b643fe3c1 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -566,7 +566,9 @@ static inline char * mdname (struct mddev * mddev)
static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
- if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) {
+ if (!test_bit(Replacement, &rdev->flags) &&
+ !test_bit(Journal, &rdev->flags) &&
+ mddev->kobj.sd) {
sprintf(nm, "rd%d", rdev->raid_disk);
return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm);
} else
@@ -576,7 +578,9 @@ static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
- if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) {
+ if (!test_bit(Replacement, &rdev->flags) &&
+ !test_bit(Journal, &rdev->flags) &&
+ mddev->kobj.sd) {
sprintf(nm, "rd%d", rdev->raid_disk);
sysfs_remove_link(&mddev->kobj, nm);
}
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 41d70bc9ba2f..84e597e1c489 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1946,6 +1946,8 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
first = i;
fbio = r10_bio->devs[i].bio;
+ fbio->bi_iter.bi_size = r10_bio->sectors << 9;
+ fbio->bi_iter.bi_idx = 0;
vcnt = (r10_bio->sectors + (PAGE_SIZE >> 9) - 1) >> (PAGE_SHIFT - 9);
/* now find blocks with errors */
@@ -1989,7 +1991,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
bio_reset(tbio);
tbio->bi_vcnt = vcnt;
- tbio->bi_iter.bi_size = r10_bio->sectors << 9;
+ tbio->bi_iter.bi_size = fbio->bi_iter.bi_size;
tbio->bi_rw = WRITE;
tbio->bi_private = r10_bio;
tbio->bi_iter.bi_sector = r10_bio->devs[i].addr;
diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index 8616fa8193bc..c2e60b4f292d 100644
--- a/drivers/media/pci/ivtv/ivtv-driver.c
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -805,11 +805,11 @@ static void ivtv_init_struct2(struct ivtv *itv)
{
int i;
- for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS - 1; i++)
+ for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
if (itv->card->video_inputs[i].video_type == 0)
break;
itv->nof_inputs = i;
- for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS - 1; i++)
+ for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
if (itv->card->audio_inputs[i].audio_type == 0)
break;
itv->nof_audio_inputs = i;
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index fcbb49757614..565a59310747 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c
@@ -134,7 +134,7 @@ struct airspy {
int urbs_submitted;
/* USB control message buffer */
- #define BUF_SIZE 24
+ #define BUF_SIZE 128
u8 buf[BUF_SIZE];
/* Current configuration */
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c
index e05bfec90f46..0fe5cb2c260c 100644
--- a/drivers/media/usb/hackrf/hackrf.c
+++ b/drivers/media/usb/hackrf/hackrf.c
@@ -24,6 +24,15 @@
#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-vmalloc.h>
+/*
+ * Used Avago MGA-81563 RF amplifier could be destroyed pretty easily with too
+ * strong signal or transmitting to bad antenna.
+ * Set RF gain control to 'grabbed' state by default for sure.
+ */
+static bool hackrf_enable_rf_gain_ctrl;
+module_param_named(enable_rf_gain_ctrl, hackrf_enable_rf_gain_ctrl, bool, 0644);
+MODULE_PARM_DESC(enable_rf_gain_ctrl, "enable RX/TX RF amplifier control (warn: could damage amplifier)");
+
/* HackRF USB API commands (from HackRF Library) */
enum {
CMD_SET_TRANSCEIVER_MODE = 0x01,
@@ -1451,6 +1460,7 @@ static int hackrf_probe(struct usb_interface *intf,
dev_err(dev->dev, "Could not initialize controls\n");
goto err_v4l2_ctrl_handler_free_rx;
}
+ v4l2_ctrl_grab(dev->rx_rf_gain, !hackrf_enable_rf_gain_ctrl);
v4l2_ctrl_handler_setup(&dev->rx_ctrl_handler);
/* Register controls for transmitter */
@@ -1471,6 +1481,7 @@ static int hackrf_probe(struct usb_interface *intf,
dev_err(dev->dev, "Could not initialize controls\n");
goto err_v4l2_ctrl_handler_free_tx;
}
+ v4l2_ctrl_grab(dev->tx_rf_gain, !hackrf_enable_rf_gain_ctrl);
v4l2_ctrl_handler_setup(&dev->tx_ctrl_handler);
/* Register the v4l2_device structure */
@@ -1530,7 +1541,7 @@ err_v4l2_ctrl_handler_free_rx:
err_kfree:
kfree(dev);
err:
- dev_dbg(dev->dev, "failed=%d\n", ret);
+ dev_dbg(&intf->dev, "failed=%d\n", ret);
return ret;
}
diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c
index e87459f6d686..acd1460cf787 100644
--- a/drivers/memory/fsl_ifc.c
+++ b/drivers/memory/fsl_ifc.c
@@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/compiler.h>
+#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/slab.h>
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 95c13b2ffa79..ffa288474820 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -426,15 +426,6 @@ int add_mtd_device(struct mtd_info *mtd)
mtd->erasesize_mask = (1 << mtd->erasesize_shift) - 1;
mtd->writesize_mask = (1 << mtd->writesize_shift) - 1;
- if (mtd->dev.parent) {
- if (!mtd->owner && mtd->dev.parent->driver)
- mtd->owner = mtd->dev.parent->driver->owner;
- if (!mtd->name)
- mtd->name = dev_name(mtd->dev.parent);
- } else {
- pr_debug("mtd device won't show a device symlink in sysfs\n");
- }
-
/* Some chips always power up locked. Unlock them now */
if ((mtd->flags & MTD_WRITEABLE) && (mtd->flags & MTD_POWERUP_LOCK)) {
error = mtd_unlock(mtd, 0, mtd->size);
@@ -549,6 +540,21 @@ static int mtd_add_device_partitions(struct mtd_info *mtd,
return 0;
}
+/*
+ * Set a few defaults based on the parent devices, if not provided by the
+ * driver
+ */
+static void mtd_set_dev_defaults(struct mtd_info *mtd)
+{
+ if (mtd->dev.parent) {
+ if (!mtd->owner && mtd->dev.parent->driver)
+ mtd->owner = mtd->dev.parent->driver->owner;
+ if (!mtd->name)
+ mtd->name = dev_name(mtd->dev.parent);
+ } else {
+ pr_debug("mtd device won't show a device symlink in sysfs\n");
+ }
+}
/**
* mtd_device_parse_register - parse partitions and register an MTD device.
@@ -587,6 +593,8 @@ int mtd_device_parse_register(struct mtd_info *mtd, const char * const *types,
int ret;
struct mtd_partition *real_parts = NULL;
+ mtd_set_dev_defaults(mtd);
+
ret = parse_mtd_partitions(mtd, types, &real_parts, parser_data);
if (ret <= 0 && nr_parts && parts) {
real_parts = kmemdup(parts, sizeof(*parts) * nr_parts,
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index 669c3452f278..9ed6038e47d2 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -46,10 +46,18 @@ static int parse_ofpart_partitions(struct mtd_info *master,
ofpart_node = of_get_child_by_name(mtd_node, "partitions");
if (!ofpart_node) {
- pr_warn("%s: 'partitions' subnode not found on %s. Trying to parse direct subnodes as partitions.\n",
- master->name, mtd_node->full_name);
+ /*
+ * We might get here even when ofpart isn't used at all (e.g.,
+ * when using another parser), so don't be louder than
+ * KERN_DEBUG
+ */
+ pr_debug("%s: 'partitions' subnode not found on %s. Trying to parse direct subnodes as partitions.\n",
+ master->name, mtd_node->full_name);
ofpart_node = mtd_node;
dedicated = false;
+ } else if (!of_device_is_compatible(ofpart_node, "fixed-partitions")) {
+ /* The 'partitions' subnode might be used by another parser */
+ return 0;
}
/* First count the subnodes */
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 49883905a434..32477c4eb421 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -516,8 +516,8 @@ static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
status_old = read_sr(nor);
/* Cannot unlock; would unlock larger region than requested */
- if (stm_is_locked_sr(nor, status_old, ofs - mtd->erasesize,
- mtd->erasesize))
+ if (stm_is_locked_sr(nor, ofs - mtd->erasesize, mtd->erasesize,
+ status_old))
return -EINVAL;
/*
@@ -1200,8 +1200,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
if (JEDEC_MFR(info) == SNOR_MFR_ATMEL ||
JEDEC_MFR(info) == SNOR_MFR_INTEL ||
- JEDEC_MFR(info) == SNOR_MFR_SST ||
- JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
+ JEDEC_MFR(info) == SNOR_MFR_SST) {
write_enable(nor);
write_sr(nor, 0);
}
@@ -1217,8 +1216,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
mtd->_read = spi_nor_read;
/* NOR protection support for STmicro/Micron chips and similar */
- if (JEDEC_MFR(info) == SNOR_MFR_MICRON ||
- JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
+ if (JEDEC_MFR(info) == SNOR_MFR_MICRON) {
nor->flash_lock = stm_lock;
nor->flash_unlock = stm_unlock;
nor->flash_is_locked = stm_is_locked;
diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index b077e43b5ba9..c4cb15a3098c 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -236,7 +236,7 @@ int ubi_debugfs_init(void)
dfs_rootdir = debugfs_create_dir("ubi", NULL);
if (IS_ERR_OR_NULL(dfs_rootdir)) {
- int err = dfs_rootdir ? -ENODEV : PTR_ERR(dfs_rootdir);
+ int err = dfs_rootdir ? PTR_ERR(dfs_rootdir) : -ENODEV;
pr_err("UBI error: cannot create \"ubi\" debugfs directory, error %d\n",
err);
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 1fc23e48fe8e..10cf3b549959 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -1299,7 +1299,7 @@ static int self_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum)
if (err && err != UBI_IO_BITFLIPS && !mtd_is_eccerr(err))
goto exit;
- crc = crc32(UBI_CRC32_INIT, vid_hdr, UBI_EC_HDR_SIZE_CRC);
+ crc = crc32(UBI_CRC32_INIT, vid_hdr, UBI_VID_HDR_SIZE_CRC);
hdr_crc = be32_to_cpu(vid_hdr->hdr_crc);
if (hdr_crc != crc) {
ubi_err(ubi, "bad VID header CRC at PEB %d, calculated %#08x, read %#08x",
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index eb4489f9082f..56065632a5b8 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -603,6 +603,7 @@ static int schedule_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
return 0;
}
+static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk);
/**
* do_sync_erase - run the erase worker synchronously.
* @ubi: UBI device description object
@@ -615,20 +616,16 @@ static int schedule_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
static int do_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
int vol_id, int lnum, int torture)
{
- struct ubi_work *wl_wrk;
+ struct ubi_work wl_wrk;
dbg_wl("sync erase of PEB %i", e->pnum);
- wl_wrk = kmalloc(sizeof(struct ubi_work), GFP_NOFS);
- if (!wl_wrk)
- return -ENOMEM;
-
- wl_wrk->e = e;
- wl_wrk->vol_id = vol_id;
- wl_wrk->lnum = lnum;
- wl_wrk->torture = torture;
+ wl_wrk.e = e;
+ wl_wrk.vol_id = vol_id;
+ wl_wrk.lnum = lnum;
+ wl_wrk.torture = torture;
- return erase_worker(ubi, wl_wrk, 0);
+ return __erase_worker(ubi, &wl_wrk);
}
/**
@@ -1014,7 +1011,7 @@ out_unlock:
}
/**
- * erase_worker - physical eraseblock erase worker function.
+ * __erase_worker - physical eraseblock erase worker function.
* @ubi: UBI device description object
* @wl_wrk: the work object
* @shutdown: non-zero if the worker has to free memory and exit
@@ -1025,8 +1022,7 @@ out_unlock:
* needed. Returns zero in case of success and a negative error code in case of
* failure.
*/
-static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
- int shutdown)
+static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk)
{
struct ubi_wl_entry *e = wl_wrk->e;
int pnum = e->pnum;
@@ -1034,21 +1030,11 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
int lnum = wl_wrk->lnum;
int err, available_consumed = 0;
- if (shutdown) {
- dbg_wl("cancel erasure of PEB %d EC %d", pnum, e->ec);
- kfree(wl_wrk);
- wl_entry_destroy(ubi, e);
- return 0;
- }
-
dbg_wl("erase PEB %d EC %d LEB %d:%d",
pnum, e->ec, wl_wrk->vol_id, wl_wrk->lnum);
err = sync_erase(ubi, e, wl_wrk->torture);
if (!err) {
- /* Fine, we've erased it successfully */
- kfree(wl_wrk);
-
spin_lock(&ubi->wl_lock);
wl_tree_add(e, &ubi->free);
ubi->free_count++;
@@ -1066,7 +1052,6 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
}
ubi_err(ubi, "failed to erase PEB %d, error %d", pnum, err);
- kfree(wl_wrk);
if (err == -EINTR || err == -ENOMEM || err == -EAGAIN ||
err == -EBUSY) {
@@ -1075,6 +1060,7 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
/* Re-schedule the LEB for erasure */
err1 = schedule_erase(ubi, e, vol_id, lnum, 0);
if (err1) {
+ wl_entry_destroy(ubi, e);
err = err1;
goto out_ro;
}
@@ -1150,6 +1136,25 @@ out_ro:
return err;
}
+static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
+ int shutdown)
+{
+ int ret;
+
+ if (shutdown) {
+ struct ubi_wl_entry *e = wl_wrk->e;
+
+ dbg_wl("cancel erasure of PEB %d EC %d", e->pnum, e->ec);
+ kfree(wl_wrk);
+ wl_entry_destroy(ubi, e);
+ return 0;
+ }
+
+ ret = __erase_worker(ubi, wl_wrk);
+ kfree(wl_wrk);
+ return ret;
+}
+
/**
* ubi_wl_put_peb - return a PEB to the wear-leveling sub-system.
* @ubi: UBI device description object
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
index 970781a9e677..f6a7161e3b85 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
@@ -1849,7 +1849,7 @@ static int xgbe_exit(struct xgbe_prv_data *pdata)
usleep_range(10, 15);
/* Poll Until Poll Condition */
- while (count-- && XGMAC_IOREAD_BITS(pdata, DMA_MR, SWR))
+ while (--count && XGMAC_IOREAD_BITS(pdata, DMA_MR, SWR))
usleep_range(500, 600);
if (!count)
@@ -1873,7 +1873,7 @@ static int xgbe_flush_tx_queues(struct xgbe_prv_data *pdata)
/* Poll Until Poll Condition */
for (i = 0; i < pdata->tx_q_count; i++) {
count = 2000;
- while (count-- && XGMAC_MTL_IOREAD_BITS(pdata, i,
+ while (--count && XGMAC_MTL_IOREAD_BITS(pdata, i,
MTL_Q_TQOMR, FTQ))
usleep_range(500, 600);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 9147a0107c44..d0ae1a6cc212 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -289,6 +289,7 @@ static int xgene_enet_setup_tx_desc(struct xgene_enet_desc_ring *tx_ring,
struct sk_buff *skb)
{
struct device *dev = ndev_to_dev(tx_ring->ndev);
+ struct xgene_enet_pdata *pdata = netdev_priv(tx_ring->ndev);
struct xgene_enet_raw_desc *raw_desc;
__le64 *exp_desc = NULL, *exp_bufs = NULL;
dma_addr_t dma_addr, pbuf_addr, *frag_dma_addr;
@@ -419,6 +420,7 @@ out:
raw_desc->m0 = cpu_to_le64(SET_VAL(LL, ll) | SET_VAL(NV, nv) |
SET_VAL(USERINFO, tx_ring->tail));
tx_ring->cp_ring->cp_skb[tx_ring->tail] = skb;
+ pdata->tx_level += count;
tx_ring->tail = tail;
return count;
@@ -429,14 +431,13 @@ static netdev_tx_t xgene_enet_start_xmit(struct sk_buff *skb,
{
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct xgene_enet_desc_ring *tx_ring = pdata->tx_ring;
- struct xgene_enet_desc_ring *cp_ring = tx_ring->cp_ring;
- u32 tx_level, cq_level;
+ u32 tx_level = pdata->tx_level;
int count;
- tx_level = pdata->ring_ops->len(tx_ring);
- cq_level = pdata->ring_ops->len(cp_ring);
- if (unlikely(tx_level > pdata->tx_qcnt_hi ||
- cq_level > pdata->cp_qcnt_hi)) {
+ if (tx_level < pdata->txc_level)
+ tx_level += ((typeof(pdata->tx_level))~0U);
+
+ if ((tx_level - pdata->txc_level) > pdata->tx_qcnt_hi) {
netif_stop_queue(ndev);
return NETDEV_TX_BUSY;
}
@@ -539,10 +540,13 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring,
struct xgene_enet_raw_desc *raw_desc, *exp_desc;
u16 head = ring->head;
u16 slots = ring->slots - 1;
- int ret, count = 0, processed = 0;
+ int ret, desc_count, count = 0, processed = 0;
+ bool is_completion;
do {
raw_desc = &ring->raw_desc[head];
+ desc_count = 0;
+ is_completion = false;
exp_desc = NULL;
if (unlikely(xgene_enet_is_desc_slot_empty(raw_desc)))
break;
@@ -559,18 +563,24 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring,
}
dma_rmb();
count++;
+ desc_count++;
}
- if (is_rx_desc(raw_desc))
+ if (is_rx_desc(raw_desc)) {
ret = xgene_enet_rx_frame(ring, raw_desc);
- else
+ } else {
ret = xgene_enet_tx_completion(ring, raw_desc);
+ is_completion = true;
+ }
xgene_enet_mark_desc_slot_empty(raw_desc);
if (exp_desc)
xgene_enet_mark_desc_slot_empty(exp_desc);
head = (head + 1) & slots;
count++;
+ desc_count++;
processed++;
+ if (is_completion)
+ pdata->txc_level += desc_count;
if (ret)
break;
@@ -580,10 +590,8 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring,
pdata->ring_ops->wr_cmd(ring, -count);
ring->head = head;
- if (netif_queue_stopped(ring->ndev)) {
- if (pdata->ring_ops->len(ring) < pdata->cp_qcnt_low)
- netif_wake_queue(ring->ndev);
- }
+ if (netif_queue_stopped(ring->ndev))
+ netif_start_queue(ring->ndev);
}
return processed;
@@ -1033,9 +1041,7 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev)
pdata->tx_ring->cp_ring = cp_ring;
pdata->tx_ring->dst_ring_num = xgene_enet_dst_ring_num(cp_ring);
- pdata->tx_qcnt_hi = pdata->tx_ring->slots / 2;
- pdata->cp_qcnt_hi = pdata->rx_ring->slots / 2;
- pdata->cp_qcnt_low = pdata->cp_qcnt_hi / 2;
+ pdata->tx_qcnt_hi = pdata->tx_ring->slots - 128;
return 0;
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
index a6e56b88c0a0..1aa72c787f8d 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
@@ -155,11 +155,11 @@ struct xgene_enet_pdata {
enum xgene_enet_id enet_id;
struct xgene_enet_desc_ring *tx_ring;
struct xgene_enet_desc_ring *rx_ring;
+ u16 tx_level;
+ u16 txc_level;
char *dev_name;
u32 rx_buff_cnt;
u32 tx_qcnt_hi;
- u32 cp_qcnt_hi;
- u32 cp_qcnt_low;
u32 rx_irq;
u32 txc_irq;
u8 cq_cnt;
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 2795d6db10e1..8b5988e210d5 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -1016,13 +1016,12 @@ static int atl1c_setup_ring_resources(struct atl1c_adapter *adapter)
sizeof(struct atl1c_recv_ret_status) * rx_desc_count +
8 * 4;
- ring_header->desc = pci_alloc_consistent(pdev, ring_header->size,
- &ring_header->dma);
+ ring_header->desc = dma_zalloc_coherent(&pdev->dev, ring_header->size,
+ &ring_header->dma, GFP_KERNEL);
if (unlikely(!ring_header->desc)) {
- dev_err(&pdev->dev, "pci_alloc_consistend failed\n");
+ dev_err(&pdev->dev, "could not get memory for DMA buffer\n");
goto err_nomem;
}
- memset(ring_header->desc, 0, ring_header->size);
/* init TPD ring */
tpd_ring[0].dma = roundup(ring_header->dma, 8);
diff --git a/drivers/net/ethernet/aurora/Kconfig b/drivers/net/ethernet/aurora/Kconfig
index a3c7106fdf85..8ba7f8ff3434 100644
--- a/drivers/net/ethernet/aurora/Kconfig
+++ b/drivers/net/ethernet/aurora/Kconfig
@@ -13,6 +13,7 @@ if NET_VENDOR_AURORA
config AURORA_NB8800
tristate "Aurora AU-NB8800 support"
+ depends on HAS_DMA
select PHYLIB
help
Support for the AU-NB8800 gigabit Ethernet controller.
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index f8d7a2f06950..c82ab87fcbe8 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3430,25 +3430,29 @@ static u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
return rc;
}
-#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3)
+/* VXLAN: 4 = 1 (for linear data BD) + 3 (2 for PBD and last BD) */
+#define BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS 4
+
+/* Regular: 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
+#define BNX2X_NUM_TSO_WIN_SUB_BDS 3
+
+#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - BDS_PER_TX_PKT)
/* check if packet requires linearization (packet is too fragmented)
no need to check fragmentation if page size > 8K (there will be no
violation to FW restrictions) */
static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
u32 xmit_type)
{
- int to_copy = 0;
- int hlen = 0;
- int first_bd_sz = 0;
+ int first_bd_sz = 0, num_tso_win_sub = BNX2X_NUM_TSO_WIN_SUB_BDS;
+ int to_copy = 0, hlen = 0;
- /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
- if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
+ if (xmit_type & XMIT_GSO_ENC)
+ num_tso_win_sub = BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS;
+ if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - num_tso_win_sub)) {
if (xmit_type & XMIT_GSO) {
unsigned short lso_mss = skb_shinfo(skb)->gso_size;
- /* Check if LSO packet needs to be copied:
- 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
- int wnd_size = MAX_FETCH_BD - 3;
+ int wnd_size = MAX_FETCH_BD - num_tso_win_sub;
/* Number of windows to check */
int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
int wnd_idx = 0;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index bdf094fb6ef9..07f5f239cb65 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -2693,17 +2693,16 @@ static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp)
req.ver_upd = DRV_VER_UPD;
if (BNXT_PF(bp)) {
- unsigned long vf_req_snif_bmap[4];
+ DECLARE_BITMAP(vf_req_snif_bmap, 256);
u32 *data = (u32 *)vf_req_snif_bmap;
- memset(vf_req_snif_bmap, 0, 32);
+ memset(vf_req_snif_bmap, 0, sizeof(vf_req_snif_bmap));
for (i = 0; i < ARRAY_SIZE(bnxt_vf_req_snif); i++)
__set_bit(bnxt_vf_req_snif[i], vf_req_snif_bmap);
- for (i = 0; i < 8; i++) {
- req.vf_req_fwd[i] = cpu_to_le32(*data);
- data++;
- }
+ for (i = 0; i < 8; i++)
+ req.vf_req_fwd[i] = cpu_to_le32(data[i]);
+
req.enables |=
cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_VF_REQ_FWD);
}
@@ -4603,7 +4602,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
bp->nge_port_cnt = 1;
}
- bp->state = BNXT_STATE_OPEN;
+ set_bit(BNXT_STATE_OPEN, &bp->state);
bnxt_enable_int(bp);
/* Enable TX queues */
bnxt_tx_enable(bp);
@@ -4679,8 +4678,10 @@ int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
/* Change device state to avoid TX queue wake up's */
bnxt_tx_disable(bp);
- bp->state = BNXT_STATE_CLOSED;
- cancel_work_sync(&bp->sp_task);
+ clear_bit(BNXT_STATE_OPEN, &bp->state);
+ smp_mb__after_atomic();
+ while (test_bit(BNXT_STATE_IN_SP_TASK, &bp->state))
+ msleep(20);
/* Flush rings before disabling interrupts */
bnxt_shutdown_nic(bp, irq_re_init);
@@ -5030,8 +5031,10 @@ static void bnxt_dbg_dump_states(struct bnxt *bp)
static void bnxt_reset_task(struct bnxt *bp)
{
bnxt_dbg_dump_states(bp);
- if (netif_running(bp->dev))
- bnxt_tx_disable(bp); /* prevent tx timout again */
+ if (netif_running(bp->dev)) {
+ bnxt_close_nic(bp, false, false);
+ bnxt_open_nic(bp, false, false);
+ }
}
static void bnxt_tx_timeout(struct net_device *dev)
@@ -5081,8 +5084,12 @@ static void bnxt_sp_task(struct work_struct *work)
struct bnxt *bp = container_of(work, struct bnxt, sp_task);
int rc;
- if (bp->state != BNXT_STATE_OPEN)
+ set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
+ smp_mb__after_atomic();
+ if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
+ clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
return;
+ }
if (test_and_clear_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event))
bnxt_cfg_rx_mode(bp);
@@ -5106,8 +5113,19 @@ static void bnxt_sp_task(struct work_struct *work)
bnxt_hwrm_tunnel_dst_port_free(
bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
}
- if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event))
+ if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event)) {
+ /* bnxt_reset_task() calls bnxt_close_nic() which waits
+ * for BNXT_STATE_IN_SP_TASK to clear.
+ */
+ clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
+ rtnl_lock();
bnxt_reset_task(bp);
+ set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
+ rtnl_unlock();
+ }
+
+ smp_mb__before_atomic();
+ clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
}
static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
@@ -5186,7 +5204,7 @@ static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
bp->timer.function = bnxt_timer;
bp->current_interval = BNXT_TIMER_INTERVAL;
- bp->state = BNXT_STATE_CLOSED;
+ clear_bit(BNXT_STATE_OPEN, &bp->state);
return 0;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 674bc5159b91..f199f4cc8ffe 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -925,9 +925,9 @@ struct bnxt {
struct timer_list timer;
- int state;
-#define BNXT_STATE_CLOSED 0
-#define BNXT_STATE_OPEN 1
+ unsigned long state;
+#define BNXT_STATE_OPEN 0
+#define BNXT_STATE_IN_SP_TASK 1
struct bnxt_irq *irq_tbl;
u8 mac_addr[ETH_ALEN];
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
index 7a9af2887d8e..ea044bbcd384 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
@@ -21,7 +21,7 @@
#ifdef CONFIG_BNXT_SRIOV
static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id)
{
- if (bp->state != BNXT_STATE_OPEN) {
+ if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
netdev_err(bp->dev, "vf ndo called though PF is down\n");
return -EINVAL;
}
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c
index 4b7fd63ae57c..5f24d11cb16a 100644
--- a/drivers/net/ethernet/cavium/thunder/nic_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nic_main.c
@@ -37,7 +37,6 @@ struct nicpf {
#define NIC_GET_BGX_FROM_VF_LMAC_MAP(map) ((map >> 4) & 0xF)
#define NIC_GET_LMAC_FROM_VF_LMAC_MAP(map) (map & 0xF)
u8 vf_lmac_map[MAX_LMAC];
- u8 lmac_cnt;
struct delayed_work dwork;
struct workqueue_struct *check_link;
u8 link[MAX_LMAC];
@@ -280,7 +279,6 @@ static void nic_set_lmac_vf_mapping(struct nicpf *nic)
u64 lmac_credit;
nic->num_vf_en = 0;
- nic->lmac_cnt = 0;
for (bgx = 0; bgx < NIC_MAX_BGX; bgx++) {
if (!(bgx_map & (1 << bgx)))
@@ -290,7 +288,6 @@ static void nic_set_lmac_vf_mapping(struct nicpf *nic)
nic->vf_lmac_map[next_bgx_lmac++] =
NIC_SET_VF_LMAC_MAP(bgx, lmac);
nic->num_vf_en += lmac_cnt;
- nic->lmac_cnt += lmac_cnt;
/* Program LMAC credits */
lmac_credit = (1ull << 1); /* channel credit enable */
@@ -618,6 +615,21 @@ static int nic_config_loopback(struct nicpf *nic, struct set_loopback *lbk)
return 0;
}
+static void nic_enable_vf(struct nicpf *nic, int vf, bool enable)
+{
+ int bgx, lmac;
+
+ nic->vf_enabled[vf] = enable;
+
+ if (vf >= nic->num_vf_en)
+ return;
+
+ bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
+ lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
+
+ bgx_lmac_rx_tx_enable(nic->node, bgx, lmac, enable);
+}
+
/* Interrupt handler to handle mailbox messages from VFs */
static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
{
@@ -717,29 +729,14 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
break;
case NIC_MBOX_MSG_CFG_DONE:
/* Last message of VF config msg sequence */
- nic->vf_enabled[vf] = true;
- if (vf >= nic->lmac_cnt)
- goto unlock;
-
- bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
- lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
-
- bgx_lmac_rx_tx_enable(nic->node, bgx, lmac, true);
+ nic_enable_vf(nic, vf, true);
goto unlock;
case NIC_MBOX_MSG_SHUTDOWN:
/* First msg in VF teardown sequence */
- nic->vf_enabled[vf] = false;
if (vf >= nic->num_vf_en)
nic->sqs_used[vf - nic->num_vf_en] = false;
nic->pqs_vf[vf] = 0;
-
- if (vf >= nic->lmac_cnt)
- break;
-
- bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
- lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
-
- bgx_lmac_rx_tx_enable(nic->node, bgx, lmac, false);
+ nic_enable_vf(nic, vf, false);
break;
case NIC_MBOX_MSG_ALLOC_SQS:
nic_alloc_sqs(nic, &mbx.sqs_alloc);
@@ -958,7 +955,7 @@ static void nic_poll_for_link(struct work_struct *work)
mbx.link_status.msg = NIC_MBOX_MSG_BGX_LINK_CHANGE;
- for (vf = 0; vf < nic->lmac_cnt; vf++) {
+ for (vf = 0; vf < nic->num_vf_en; vf++) {
/* Poll only if VF is UP */
if (!nic->vf_enabled[vf])
continue;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
index c308429dd9c7..11dd91e4db56 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
@@ -295,6 +295,10 @@ struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start,
INIT_LIST_HEAD(&ctbl->hash_list[i]);
cl_list = t4_alloc_mem(clipt_size*sizeof(struct clip_entry));
+ if (!cl_list) {
+ t4_free_mem(ctbl);
+ return NULL;
+ }
ctbl->cl_list = (void *)cl_list;
for (i = 0; i < clipt_size; i++) {
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index d463563e1f70..6ee78c203eca 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -848,8 +848,6 @@ void be_roce_dev_remove(struct be_adapter *);
/*
* internal function to open-close roce device during ifup-ifdown.
*/
-void be_roce_dev_open(struct be_adapter *);
-void be_roce_dev_close(struct be_adapter *);
void be_roce_dev_shutdown(struct be_adapter *);
#endif /* BE_H */
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index b6ad02909d6b..8a1d9fffd7d6 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -3299,8 +3299,10 @@ static int be_msix_register(struct be_adapter *adapter)
return 0;
err_msix:
- for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--)
+ for (i--; i >= 0; i--) {
+ eqo = &adapter->eq_obj[i];
free_irq(be_msix_vec_get(adapter, eqo), eqo);
+ }
dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n",
status);
be_msix_disable(adapter);
@@ -3432,8 +3434,6 @@ static int be_close(struct net_device *netdev)
be_disable_if_filters(adapter);
- be_roce_dev_close(adapter);
-
if (adapter->flags & BE_FLAGS_NAPI_ENABLED) {
for_all_evt_queues(adapter, eqo, i) {
napi_disable(&eqo->napi);
@@ -3601,8 +3601,6 @@ static int be_open(struct net_device *netdev)
be_link_status_update(adapter, link_status);
netif_tx_start_all_queues(netdev);
- be_roce_dev_open(adapter);
-
#ifdef CONFIG_BE2NET_VXLAN
if (skyhawk_chip(adapter))
vxlan_get_rx_port(netdev);
diff --git a/drivers/net/ethernet/emulex/benet/be_roce.c b/drivers/net/ethernet/emulex/benet/be_roce.c
index 60368207bf58..4089156a7f5e 100644
--- a/drivers/net/ethernet/emulex/benet/be_roce.c
+++ b/drivers/net/ethernet/emulex/benet/be_roce.c
@@ -116,40 +116,6 @@ void be_roce_dev_remove(struct be_adapter *adapter)
}
}
-static void _be_roce_dev_open(struct be_adapter *adapter)
-{
- if (ocrdma_drv && adapter->ocrdma_dev &&
- ocrdma_drv->state_change_handler)
- ocrdma_drv->state_change_handler(adapter->ocrdma_dev,
- BE_DEV_UP);
-}
-
-void be_roce_dev_open(struct be_adapter *adapter)
-{
- if (be_roce_supported(adapter)) {
- mutex_lock(&be_adapter_list_lock);
- _be_roce_dev_open(adapter);
- mutex_unlock(&be_adapter_list_lock);
- }
-}
-
-static void _be_roce_dev_close(struct be_adapter *adapter)
-{
- if (ocrdma_drv && adapter->ocrdma_dev &&
- ocrdma_drv->state_change_handler)
- ocrdma_drv->state_change_handler(adapter->ocrdma_dev,
- BE_DEV_DOWN);
-}
-
-void be_roce_dev_close(struct be_adapter *adapter)
-{
- if (be_roce_supported(adapter)) {
- mutex_lock(&be_adapter_list_lock);
- _be_roce_dev_close(adapter);
- mutex_unlock(&be_adapter_list_lock);
- }
-}
-
void be_roce_dev_shutdown(struct be_adapter *adapter)
{
if (be_roce_supported(adapter)) {
@@ -177,8 +143,6 @@ int be_roce_register_driver(struct ocrdma_driver *drv)
_be_roce_dev_add(dev);
netdev = dev->netdev;
- if (netif_running(netdev) && netif_oper_up(netdev))
- _be_roce_dev_open(dev);
}
mutex_unlock(&be_adapter_list_lock);
return 0;
diff --git a/drivers/net/ethernet/emulex/benet/be_roce.h b/drivers/net/ethernet/emulex/benet/be_roce.h
index cde6ef905ec4..fde609789483 100644
--- a/drivers/net/ethernet/emulex/benet/be_roce.h
+++ b/drivers/net/ethernet/emulex/benet/be_roce.h
@@ -60,9 +60,7 @@ struct ocrdma_driver {
void (*state_change_handler) (struct ocrdma_dev *, u32 new_state);
};
-enum {
- BE_DEV_UP = 0,
- BE_DEV_DOWN = 1,
+enum be_roce_event {
BE_DEV_SHUTDOWN = 2
};
diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c
index 63c2bcf8031a..b1026689b78f 100644
--- a/drivers/net/ethernet/ezchip/nps_enet.c
+++ b/drivers/net/ethernet/ezchip/nps_enet.c
@@ -48,21 +48,15 @@ static void nps_enet_read_rx_fifo(struct net_device *ndev,
*reg = nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF);
else { /* !dst_is_aligned */
for (i = 0; i < len; i++, reg++) {
- u32 buf =
- nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF);
-
- /* to accommodate word-unaligned address of "reg"
- * we have to do memcpy_toio() instead of simple "=".
- */
- memcpy_toio((void __iomem *)reg, &buf, sizeof(buf));
+ u32 buf = nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF);
+ put_unaligned(buf, reg);
}
}
/* copy last bytes (if any) */
if (last) {
u32 buf = nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF);
-
- memcpy_toio((void __iomem *)reg, &buf, last);
+ memcpy((u8*)reg, &buf, last);
}
}
@@ -367,7 +361,7 @@ static void nps_enet_send_frame(struct net_device *ndev,
struct nps_enet_tx_ctl tx_ctrl;
short length = skb->len;
u32 i, len = DIV_ROUND_UP(length, sizeof(u32));
- u32 *src = (u32 *)virt_to_phys(skb->data);
+ u32 *src = (void *)skb->data;
bool src_is_aligned = IS_ALIGNED((unsigned long)src, sizeof(u32));
tx_ctrl.value = 0;
@@ -375,17 +369,11 @@ static void nps_enet_send_frame(struct net_device *ndev,
if (src_is_aligned)
for (i = 0; i < len; i++, src++)
nps_enet_reg_set(priv, NPS_ENET_REG_TX_BUF, *src);
- else { /* !src_is_aligned */
- for (i = 0; i < len; i++, src++) {
- u32 buf;
-
- /* to accommodate word-unaligned address of "src"
- * we have to do memcpy_fromio() instead of simple "="
- */
- memcpy_fromio(&buf, (void __iomem *)src, sizeof(buf));
- nps_enet_reg_set(priv, NPS_ENET_REG_TX_BUF, buf);
- }
- }
+ else /* !src_is_aligned */
+ for (i = 0; i < len; i++, src++)
+ nps_enet_reg_set(priv, NPS_ENET_REG_TX_BUF,
+ get_unaligned(src));
+
/* Write the length of the Frame */
tx_ctrl.nt = length;
diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
index 08f5b911d96b..52e0091b4fb2 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
@@ -552,7 +552,7 @@ static void tx_restart(struct net_device *dev)
cbd_t __iomem *prev_bd;
cbd_t __iomem *last_tx_bd;
- last_tx_bd = fep->tx_bd_base + (fpi->tx_ring * sizeof(cbd_t));
+ last_tx_bd = fep->tx_bd_base + ((fpi->tx_ring - 1) * sizeof(cbd_t));
/* get the current bd held in TBPTR and scan back from this point */
recheck_bd = curr_tbptr = (cbd_t __iomem *)
diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 55c36230e176..40071dad1c57 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -464,7 +464,7 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev)
* address). Print error message but continue anyway.
*/
if ((void *)tbipa > priv->map + resource_size(&res) - 4)
- dev_err(&pdev->dev, "invalid register map (should be at least 0x%04x to contain TBI address)\n",
+ dev_err(&pdev->dev, "invalid register map (should be at least 0x%04zx to contain TBI address)\n",
((void *)tbipa - priv->map) + 4);
iowrite32be(be32_to_cpup(prop), tbipa);
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 7cf898455e60..3e233d924cce 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -894,7 +894,8 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
FSL_GIANFAR_DEV_HAS_VLAN |
FSL_GIANFAR_DEV_HAS_MAGIC_PACKET |
FSL_GIANFAR_DEV_HAS_EXTENDED_HASH |
- FSL_GIANFAR_DEV_HAS_TIMER;
+ FSL_GIANFAR_DEV_HAS_TIMER |
+ FSL_GIANFAR_DEV_HAS_RX_FILER;
err = of_property_read_string(np, "phy-connection-type", &ctype);
@@ -1396,8 +1397,9 @@ static int gfar_probe(struct platform_device *ofdev)
priv->rx_queue[i]->rxic = DEFAULT_RXIC;
}
- /* always enable rx filer */
- priv->rx_filer_enable = 1;
+ /* Always enable rx filer if available */
+ priv->rx_filer_enable =
+ (priv->device_flags & FSL_GIANFAR_DEV_HAS_RX_FILER) ? 1 : 0;
/* Enable most messages by default */
priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1;
/* use pritority h/w tx queue scheduling for single queue devices */
diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h
index f266b20f9ef5..cb77667971a7 100644
--- a/drivers/net/ethernet/freescale/gianfar.h
+++ b/drivers/net/ethernet/freescale/gianfar.h
@@ -923,6 +923,7 @@ struct gfar {
#define FSL_GIANFAR_DEV_HAS_BUF_STASHING 0x00000400
#define FSL_GIANFAR_DEV_HAS_TIMER 0x00000800
#define FSL_GIANFAR_DEV_HAS_WAKE_ON_FILER 0x00001000
+#define FSL_GIANFAR_DEV_HAS_RX_FILER 0x00002000
#if (MAXGROUPS == 2)
#define DEFAULT_MAPPING 0xAA
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
index 2a98eba660c0..b674414a4d72 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -1259,12 +1259,8 @@ int hns_dsaf_set_mac_uc_entry(
if (MAC_IS_ALL_ZEROS(mac_entry->addr) ||
MAC_IS_BROADCAST(mac_entry->addr) ||
MAC_IS_MULTICAST(mac_entry->addr)) {
- dev_err(dsaf_dev->dev,
- "set_uc %s Mac %02x:%02x:%02x:%02x:%02x:%02x err!\n",
- dsaf_dev->ae_dev.name, mac_entry->addr[0],
- mac_entry->addr[1], mac_entry->addr[2],
- mac_entry->addr[3], mac_entry->addr[4],
- mac_entry->addr[5]);
+ dev_err(dsaf_dev->dev, "set_uc %s Mac %pM err!\n",
+ dsaf_dev->ae_dev.name, mac_entry->addr);
return -EINVAL;
}
@@ -1331,12 +1327,8 @@ int hns_dsaf_set_mac_mc_entry(
/* mac addr check */
if (MAC_IS_ALL_ZEROS(mac_entry->addr)) {
- dev_err(dsaf_dev->dev,
- "set uc %s Mac %02x:%02x:%02x:%02x:%02x:%02x err!\n",
- dsaf_dev->ae_dev.name, mac_entry->addr[0],
- mac_entry->addr[1], mac_entry->addr[2],
- mac_entry->addr[3],
- mac_entry->addr[4], mac_entry->addr[5]);
+ dev_err(dsaf_dev->dev, "set uc %s Mac %pM err!\n",
+ dsaf_dev->ae_dev.name, mac_entry->addr);
return -EINVAL;
}
@@ -1410,11 +1402,8 @@ int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev,
/*chechk mac addr */
if (MAC_IS_ALL_ZEROS(mac_entry->addr)) {
- dev_err(dsaf_dev->dev,
- "set_entry failed,addr %02x:%02x:%02x:%02x:%02x:%02x!\n",
- mac_entry->addr[0], mac_entry->addr[1],
- mac_entry->addr[2], mac_entry->addr[3],
- mac_entry->addr[4], mac_entry->addr[5]);
+ dev_err(dsaf_dev->dev, "set_entry failed,addr %pM!\n",
+ mac_entry->addr);
return -EINVAL;
}
@@ -1497,9 +1486,8 @@ int hns_dsaf_del_mac_entry(struct dsaf_device *dsaf_dev, u16 vlan_id,
/*check mac addr */
if (MAC_IS_ALL_ZEROS(addr) || MAC_IS_BROADCAST(addr)) {
- dev_err(dsaf_dev->dev,
- "del_entry failed,addr %02x:%02x:%02x:%02x:%02x:%02x!\n",
- addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+ dev_err(dsaf_dev->dev, "del_entry failed,addr %pM!\n",
+ addr);
return -EINVAL;
}
@@ -1563,11 +1551,8 @@ int hns_dsaf_del_mac_mc_port(struct dsaf_device *dsaf_dev,
/*check mac addr */
if (MAC_IS_ALL_ZEROS(mac_entry->addr)) {
- dev_err(dsaf_dev->dev,
- "del_port failed, addr %02x:%02x:%02x:%02x:%02x:%02x!\n",
- mac_entry->addr[0], mac_entry->addr[1],
- mac_entry->addr[2], mac_entry->addr[3],
- mac_entry->addr[4], mac_entry->addr[5]);
+ dev_err(dsaf_dev->dev, "del_port failed, addr %pM!\n",
+ mac_entry->addr);
return -EINVAL;
}
@@ -1644,11 +1629,8 @@ int hns_dsaf_get_mac_uc_entry(struct dsaf_device *dsaf_dev,
/* check macaddr */
if (MAC_IS_ALL_ZEROS(mac_entry->addr) ||
MAC_IS_BROADCAST(mac_entry->addr)) {
- dev_err(dsaf_dev->dev,
- "get_entry failed,addr %02x:%02x:%02x:%02x:%02x:%02x\n",
- mac_entry->addr[0], mac_entry->addr[1],
- mac_entry->addr[2], mac_entry->addr[3],
- mac_entry->addr[4], mac_entry->addr[5]);
+ dev_err(dsaf_dev->dev, "get_entry failed,addr %pM\n",
+ mac_entry->addr);
return -EINVAL;
}
@@ -1695,11 +1677,8 @@ int hns_dsaf_get_mac_mc_entry(struct dsaf_device *dsaf_dev,
/*check mac addr */
if (MAC_IS_ALL_ZEROS(mac_entry->addr) ||
MAC_IS_BROADCAST(mac_entry->addr)) {
- dev_err(dsaf_dev->dev,
- "get_entry failed,addr %02x:%02x:%02x:%02x:%02x:%02x\n",
- mac_entry->addr[0], mac_entry->addr[1],
- mac_entry->addr[2], mac_entry->addr[3],
- mac_entry->addr[4], mac_entry->addr[5]);
+ dev_err(dsaf_dev->dev, "get_entry failed,addr %pM\n",
+ mac_entry->addr);
return -EINVAL;
}
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
index b475e1bf2e6f..bdbd80423b17 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h
@@ -898,7 +898,7 @@
#define XGMAC_PAUSE_CTL_RSP_MODE_B 2
#define XGMAC_PAUSE_CTL_TX_XOFF_B 3
-static inline void dsaf_write_reg(void *base, u32 reg, u32 value)
+static inline void dsaf_write_reg(void __iomem *base, u32 reg, u32 value)
{
u8 __iomem *reg_addr = ACCESS_ONCE(base);
@@ -908,7 +908,7 @@ static inline void dsaf_write_reg(void *base, u32 reg, u32 value)
#define dsaf_write_dev(a, reg, value) \
dsaf_write_reg((a)->io_base, (reg), (value))
-static inline u32 dsaf_read_reg(u8 *base, u32 reg)
+static inline u32 dsaf_read_reg(u8 __iomem *base, u32 reg)
{
u8 __iomem *reg_addr = ACCESS_ONCE(base);
@@ -927,8 +927,8 @@ static inline u32 dsaf_read_reg(u8 *base, u32 reg)
#define dsaf_set_bit(origin, shift, val) \
dsaf_set_field((origin), (1ull << (shift)), (shift), (val))
-static inline void dsaf_set_reg_field(void *base, u32 reg, u32 mask, u32 shift,
- u32 val)
+static inline void dsaf_set_reg_field(void __iomem *base, u32 reg, u32 mask,
+ u32 shift, u32 val)
{
u32 origin = dsaf_read_reg(base, reg);
@@ -947,7 +947,8 @@ static inline void dsaf_set_reg_field(void *base, u32 reg, u32 mask, u32 shift,
#define dsaf_get_bit(origin, shift) \
dsaf_get_field((origin), (1ull << (shift)), (shift))
-static inline u32 dsaf_get_reg_field(void *base, u32 reg, u32 mask, u32 shift)
+static inline u32 dsaf_get_reg_field(void __iomem *base, u32 reg, u32 mask,
+ u32 shift)
{
u32 origin;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
index 0ff8f01e57ee..1fd5ea82a9bc 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
@@ -567,10 +567,6 @@ i40e_status i40e_init_adminq(struct i40e_hw *hw)
goto init_adminq_exit;
}
- /* initialize locks */
- mutex_init(&hw->aq.asq_mutex);
- mutex_init(&hw->aq.arq_mutex);
-
/* Set up register offsets */
i40e_adminq_init_regs(hw);
@@ -664,8 +660,6 @@ i40e_status i40e_shutdown_adminq(struct i40e_hw *hw)
i40e_shutdown_asq(hw);
i40e_shutdown_arq(hw);
- /* destroy the locks */
-
if (hw->nvm_buff.va)
i40e_free_virt_mem(hw, &hw->nvm_buff);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index b825f978d441..4a9873ec28c7 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -10295,6 +10295,12 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* set up a default setting for link flow control */
pf->hw.fc.requested_mode = I40E_FC_NONE;
+ /* set up the locks for the AQ, do this only once in probe
+ * and destroy them only once in remove
+ */
+ mutex_init(&hw->aq.asq_mutex);
+ mutex_init(&hw->aq.arq_mutex);
+
err = i40e_init_adminq(hw);
/* provide nvm, fw, api versions */
@@ -10697,7 +10703,6 @@ static void i40e_remove(struct pci_dev *pdev)
set_bit(__I40E_DOWN, &pf->state);
del_timer_sync(&pf->service_timer);
cancel_work_sync(&pf->service_task);
- i40e_fdir_teardown(pf);
if (pf->flags & I40E_FLAG_SRIOV_ENABLED) {
i40e_free_vfs(pf);
@@ -10740,6 +10745,10 @@ static void i40e_remove(struct pci_dev *pdev)
"Failed to destroy the Admin Queue resources: %d\n",
ret_code);
+ /* destroy the locks only once, here */
+ mutex_destroy(&hw->aq.arq_mutex);
+ mutex_destroy(&hw->aq.asq_mutex);
+
/* Clear all dynamic memory lists of rings, q_vectors, and VSIs */
i40e_clear_interrupt_scheme(pf);
for (i = 0; i < pf->num_alloc_vsi; i++) {
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
index fd123ca60761..3f65e39b3fe4 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
@@ -551,10 +551,6 @@ i40e_status i40evf_init_adminq(struct i40e_hw *hw)
goto init_adminq_exit;
}
- /* initialize locks */
- mutex_init(&hw->aq.asq_mutex);
- mutex_init(&hw->aq.arq_mutex);
-
/* Set up register offsets */
i40e_adminq_init_regs(hw);
@@ -596,8 +592,6 @@ i40e_status i40evf_shutdown_adminq(struct i40e_hw *hw)
i40e_shutdown_asq(hw);
i40e_shutdown_arq(hw);
- /* destroy the locks */
-
if (hw->nvm_buff.va)
i40e_free_virt_mem(hw, &hw->nvm_buff);
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index d962164dfb0f..99d2cffae0cd 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -2476,6 +2476,12 @@ static int i40evf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
hw->bus.device = PCI_SLOT(pdev->devfn);
hw->bus.func = PCI_FUNC(pdev->devfn);
+ /* set up the locks for the AQ, do this only once in probe
+ * and destroy them only once in remove
+ */
+ mutex_init(&hw->aq.asq_mutex);
+ mutex_init(&hw->aq.arq_mutex);
+
INIT_LIST_HEAD(&adapter->mac_filter_list);
INIT_LIST_HEAD(&adapter->vlan_filter_list);
@@ -2629,6 +2635,10 @@ static void i40evf_remove(struct pci_dev *pdev)
if (hw->aq.asq.count)
i40evf_shutdown_adminq(hw);
+ /* destroy the locks only once, here */
+ mutex_destroy(&hw->aq.arq_mutex);
+ mutex_destroy(&hw->aq.asq_mutex);
+
iounmap(hw->hw_addr);
pci_release_regions(pdev);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 47395ff5d908..aed8d029b23d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -7920,6 +7920,9 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc)
*/
if (netif_running(dev))
ixgbe_close(dev);
+ else
+ ixgbe_reset(adapter);
+
ixgbe_clear_interrupt_scheme(adapter);
#ifdef CONFIG_IXGBE_DCB
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index d9884fd15b45..a4beccf1fd46 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -3413,16 +3413,23 @@ static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
}
/* Free all buffers from the pool */
-static void mvpp2_bm_bufs_free(struct mvpp2 *priv, struct mvpp2_bm_pool *bm_pool)
+static void mvpp2_bm_bufs_free(struct device *dev, struct mvpp2 *priv,
+ struct mvpp2_bm_pool *bm_pool)
{
int i;
for (i = 0; i < bm_pool->buf_num; i++) {
+ dma_addr_t buf_phys_addr;
u32 vaddr;
/* Get buffer virtual address (indirect access) */
- mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
+ buf_phys_addr = mvpp2_read(priv,
+ MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
vaddr = mvpp2_read(priv, MVPP2_BM_VIRT_ALLOC_REG);
+
+ dma_unmap_single(dev, buf_phys_addr,
+ bm_pool->buf_size, DMA_FROM_DEVICE);
+
if (!vaddr)
break;
dev_kfree_skb_any((struct sk_buff *)vaddr);
@@ -3439,7 +3446,7 @@ static int mvpp2_bm_pool_destroy(struct platform_device *pdev,
{
u32 val;
- mvpp2_bm_bufs_free(priv, bm_pool);
+ mvpp2_bm_bufs_free(&pdev->dev, priv, bm_pool);
if (bm_pool->buf_num) {
WARN(1, "cannot free all buffers in pool %d\n", bm_pool->id);
return 0;
@@ -3692,7 +3699,8 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
MVPP2_BM_LONG_BUF_NUM :
MVPP2_BM_SHORT_BUF_NUM;
else
- mvpp2_bm_bufs_free(port->priv, new_pool);
+ mvpp2_bm_bufs_free(port->dev->dev.parent,
+ port->priv, new_pool);
new_pool->pkt_size = pkt_size;
@@ -3756,7 +3764,7 @@ static int mvpp2_bm_update_mtu(struct net_device *dev, int mtu)
int pkt_size = MVPP2_RX_PKT_SIZE(mtu);
/* Update BM pool with new buffer size */
- mvpp2_bm_bufs_free(port->priv, port_pool);
+ mvpp2_bm_bufs_free(dev->dev.parent, port->priv, port_pool);
if (port_pool->buf_num) {
WARN(1, "cannot free all buffers in pool %d\n", port_pool->id);
return -EIO;
@@ -4401,11 +4409,10 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port,
mvpp2_txq_inc_get(txq_pcpu);
- if (!skb)
- continue;
-
dma_unmap_single(port->dev->dev.parent, buf_phys_addr,
skb_headlen(skb), DMA_TO_DEVICE);
+ if (!skb)
+ continue;
dev_kfree_skb_any(skb);
}
}
@@ -5092,7 +5099,8 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
struct mvpp2_rx_queue *rxq)
{
struct net_device *dev = port->dev;
- int rx_received, rx_filled, i;
+ int rx_received;
+ int rx_done = 0;
u32 rcvd_pkts = 0;
u32 rcvd_bytes = 0;
@@ -5101,17 +5109,18 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
if (rx_todo > rx_received)
rx_todo = rx_received;
- rx_filled = 0;
- for (i = 0; i < rx_todo; i++) {
+ while (rx_done < rx_todo) {
struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq);
struct mvpp2_bm_pool *bm_pool;
struct sk_buff *skb;
+ dma_addr_t phys_addr;
u32 bm, rx_status;
int pool, rx_bytes, err;
- rx_filled++;
+ rx_done++;
rx_status = rx_desc->status;
rx_bytes = rx_desc->data_size - MVPP2_MH_SIZE;
+ phys_addr = rx_desc->buf_phys_addr;
bm = mvpp2_bm_cookie_build(rx_desc);
pool = mvpp2_bm_cookie_pool_get(bm);
@@ -5128,8 +5137,10 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
* comprised by the RX descriptor.
*/
if (rx_status & MVPP2_RXD_ERR_SUMMARY) {
+ err_drop_frame:
dev->stats.rx_errors++;
mvpp2_rx_error(port, rx_desc);
+ /* Return the buffer to the pool */
mvpp2_pool_refill(port, bm, rx_desc->buf_phys_addr,
rx_desc->buf_cookie);
continue;
@@ -5137,6 +5148,15 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
skb = (struct sk_buff *)rx_desc->buf_cookie;
+ err = mvpp2_rx_refill(port, bm_pool, bm, 0);
+ if (err) {
+ netdev_err(port->dev, "failed to refill BM pools\n");
+ goto err_drop_frame;
+ }
+
+ dma_unmap_single(dev->dev.parent, phys_addr,
+ bm_pool->buf_size, DMA_FROM_DEVICE);
+
rcvd_pkts++;
rcvd_bytes += rx_bytes;
atomic_inc(&bm_pool->in_use);
@@ -5147,12 +5167,6 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
mvpp2_rx_csum(port, rx_status, skb);
napi_gro_receive(&port->napi, skb);
-
- err = mvpp2_rx_refill(port, bm_pool, bm, 0);
- if (err) {
- netdev_err(port->dev, "failed to refill BM pools\n");
- rx_filled--;
- }
}
if (rcvd_pkts) {
@@ -5166,7 +5180,7 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo,
/* Update Rx queue management counters */
wmb();
- mvpp2_rxq_status_update(port, rxq->id, rx_todo, rx_filled);
+ mvpp2_rxq_status_update(port, rxq->id, rx_done, rx_done);
return rx_todo;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index 8a083d73efdb..038f9ce391e6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -242,6 +242,13 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
unsigned long flags;
u64 ns, zero = 0;
+ /* mlx4_en_init_timestamp is called for each netdev.
+ * mdev->ptp_clock is common for all ports, skip initialization if
+ * was done for other port.
+ */
+ if (mdev->ptp_clock)
+ return;
+
rwlock_init(&mdev->clock_lock);
memset(&mdev->cycles, 0, sizeof(mdev->cycles));
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c
index 005f910ec955..e0ec280a7fa1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c
@@ -232,9 +232,6 @@ static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr)
if (mdev->pndev[i])
mlx4_en_destroy_netdev(mdev->pndev[i]);
- if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
- mlx4_en_remove_timestamp(mdev);
-
flush_workqueue(mdev->workqueue);
destroy_workqueue(mdev->workqueue);
(void) mlx4_mr_free(dev, &mdev->mr);
@@ -320,10 +317,6 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
mdev->port_cnt++;
- /* Initialize time stamp mechanism */
- if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
- mlx4_en_init_timestamp(mdev);
-
/* Set default number of RX rings*/
mlx4_en_set_num_rx_rings(mdev);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 886e1bc86374..7869f97de5da 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2072,6 +2072,9 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
/* flush any pending task for this netdev */
flush_workqueue(mdev->workqueue);
+ if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
+ mlx4_en_remove_timestamp(mdev);
+
/* Detach the netdev so tasks would not attempt to access it */
mutex_lock(&mdev->state_lock);
mdev->pndev[priv->port] = NULL;
@@ -3058,9 +3061,12 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
}
queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
+ /* Initialize time stamp mechanism */
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
- queue_delayed_work(mdev->workqueue, &priv->service_task,
- SERVICE_TASK_DELAY);
+ mlx4_en_init_timestamp(mdev);
+
+ queue_delayed_work(mdev->workqueue, &priv->service_task,
+ SERVICE_TASK_DELAY);
mlx4_en_set_stats_bitmap(mdev->dev, &priv->stats_bitmap,
mdev->profile.prof[priv->port].rx_ppp,
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 6fec3e993d02..cad6c44df91c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -4306,9 +4306,10 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
return -EOPNOTSUPP;
ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
- ctrl->port = mlx4_slave_convert_port(dev, slave, ctrl->port);
- if (ctrl->port <= 0)
+ err = mlx4_slave_convert_port(dev, slave, ctrl->port);
+ if (err <= 0)
return -EINVAL;
+ ctrl->port = err;
qpn = be32_to_cpu(ctrl->qpn) & 0xffffff;
err = get_res(dev, slave, qpn, RES_QP, &rqp);
if (err) {
diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c
index b83f7c0fcf99..122c2ee3dfe2 100644
--- a/drivers/net/ethernet/natsemi/natsemi.c
+++ b/drivers/net/ethernet/natsemi/natsemi.c
@@ -1937,6 +1937,12 @@ static void refill_rx(struct net_device *dev)
break; /* Better luck next round. */
np->rx_dma[entry] = pci_map_single(np->pci_dev,
skb->data, buflen, PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(np->pci_dev,
+ np->rx_dma[entry])) {
+ dev_kfree_skb_any(skb);
+ np->rx_skbuff[entry] = NULL;
+ break; /* Better luck next round. */
+ }
np->rx_ring[entry].addr = cpu_to_le32(np->rx_dma[entry]);
}
np->rx_ring[entry].cmd_status = cpu_to_le32(np->rx_buf_sz);
@@ -2093,6 +2099,12 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
np->tx_skbuff[entry] = skb;
np->tx_dma[entry] = pci_map_single(np->pci_dev,
skb->data,skb->len, PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(np->pci_dev, np->tx_dma[entry])) {
+ np->tx_skbuff[entry] = NULL;
+ dev_kfree_skb_irq(skb);
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
+ }
np->tx_ring[entry].addr = cpu_to_le32(np->tx_dma[entry]);
diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h
index ac17d8669b1a..1292c360390c 100644
--- a/drivers/net/ethernet/qlogic/qed/qed.h
+++ b/drivers/net/ethernet/qlogic/qed/qed.h
@@ -299,6 +299,7 @@ struct qed_hwfn {
/* Flag indicating whether interrupts are enabled or not*/
bool b_int_enabled;
+ bool b_int_requested;
struct qed_mcp_info *mcp_info;
@@ -491,6 +492,8 @@ u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
u32 input_len, u8 *input_buf,
u32 max_size, u8 *unzip_buf);
+int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
+
#define QED_ETH_INTERFACE_VERSION 300
#endif /* _QED_H */
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 803b190ccada..817bbd5476ff 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -1385,52 +1385,63 @@ err0:
return rc;
}
-static u32 qed_hw_bar_size(struct qed_dev *cdev,
- u8 bar_id)
+static u32 qed_hw_bar_size(struct qed_hwfn *p_hwfn,
+ u8 bar_id)
{
- u32 size = pci_resource_len(cdev->pdev, (bar_id > 0) ? 2 : 0);
+ u32 bar_reg = (bar_id == 0 ? PGLUE_B_REG_PF_BAR0_SIZE
+ : PGLUE_B_REG_PF_BAR1_SIZE);
+ u32 val = qed_rd(p_hwfn, p_hwfn->p_main_ptt, bar_reg);
- return size / cdev->num_hwfns;
+ /* Get the BAR size(in KB) from hardware given val */
+ return 1 << (val + 15);
}
int qed_hw_prepare(struct qed_dev *cdev,
int personality)
{
- int rc, i;
+ struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
+ int rc;
/* Store the precompiled init data ptrs */
qed_init_iro_array(cdev);
/* Initialize the first hwfn - will learn number of hwfns */
- rc = qed_hw_prepare_single(&cdev->hwfns[0], cdev->regview,
+ rc = qed_hw_prepare_single(p_hwfn,
+ cdev->regview,
cdev->doorbells, personality);
if (rc)
return rc;
- personality = cdev->hwfns[0].hw_info.personality;
+ personality = p_hwfn->hw_info.personality;
/* Initialize the rest of the hwfns */
- for (i = 1; i < cdev->num_hwfns; i++) {
+ if (cdev->num_hwfns > 1) {
void __iomem *p_regview, *p_doorbell;
+ u8 __iomem *addr;
+
+ /* adjust bar offset for second engine */
+ addr = cdev->regview + qed_hw_bar_size(p_hwfn, 0) / 2;
+ p_regview = addr;
- p_regview = cdev->regview +
- i * qed_hw_bar_size(cdev, 0);
- p_doorbell = cdev->doorbells +
- i * qed_hw_bar_size(cdev, 1);
- rc = qed_hw_prepare_single(&cdev->hwfns[i], p_regview,
+ /* adjust doorbell bar offset for second engine */
+ addr = cdev->doorbells + qed_hw_bar_size(p_hwfn, 1) / 2;
+ p_doorbell = addr;
+
+ /* prepare second hw function */
+ rc = qed_hw_prepare_single(&cdev->hwfns[1], p_regview,
p_doorbell, personality);
+
+ /* in case of error, need to free the previously
+ * initiliazed hwfn 0.
+ */
if (rc) {
- /* Cleanup previously initialized hwfns */
- while (--i >= 0) {
- qed_init_free(&cdev->hwfns[i]);
- qed_mcp_free(&cdev->hwfns[i]);
- qed_hw_hwfn_free(&cdev->hwfns[i]);
- }
- return rc;
+ qed_init_free(p_hwfn);
+ qed_mcp_free(p_hwfn);
+ qed_hw_hwfn_free(p_hwfn);
}
}
- return 0;
+ return rc;
}
void qed_hw_remove(struct qed_dev *cdev)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c b/drivers/net/ethernet/qlogic/qed/qed_int.c
index de50e84902af..9cc9d62c1fec 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_int.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_int.c
@@ -783,22 +783,16 @@ void qed_int_igu_enable_int(struct qed_hwfn *p_hwfn,
qed_wr(p_hwfn, p_ptt, IGU_REG_PF_CONFIGURATION, igu_pf_conf);
}
-void qed_int_igu_enable(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- enum qed_int_mode int_mode)
+int qed_int_igu_enable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
+ enum qed_int_mode int_mode)
{
- int i;
-
- p_hwfn->b_int_enabled = 1;
+ int rc, i;
/* Mask non-link attentions */
for (i = 0; i < 9; i++)
qed_wr(p_hwfn, p_ptt,
MISC_REG_AEU_ENABLE1_IGU_OUT_0 + (i << 2), 0);
- /* Enable interrupt Generation */
- qed_int_igu_enable_int(p_hwfn, p_ptt, int_mode);
-
/* Configure AEU signal change to produce attentions for link */
qed_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0xfff);
qed_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0xfff);
@@ -808,6 +802,19 @@ void qed_int_igu_enable(struct qed_hwfn *p_hwfn,
/* Unmask AEU signals toward IGU */
qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_MASK_ATTN_IGU, 0xff);
+ if ((int_mode != QED_INT_MODE_INTA) || IS_LEAD_HWFN(p_hwfn)) {
+ rc = qed_slowpath_irq_req(p_hwfn);
+ if (rc != 0) {
+ DP_NOTICE(p_hwfn, "Slowpath IRQ request failed\n");
+ return -EINVAL;
+ }
+ p_hwfn->b_int_requested = true;
+ }
+ /* Enable interrupt Generation */
+ qed_int_igu_enable_int(p_hwfn, p_ptt, int_mode);
+ p_hwfn->b_int_enabled = 1;
+
+ return rc;
}
void qed_int_igu_disable_int(struct qed_hwfn *p_hwfn,
@@ -1127,3 +1134,11 @@ int qed_int_get_num_sbs(struct qed_hwfn *p_hwfn,
return info->igu_sb_cnt;
}
+
+void qed_int_disable_post_isr_release(struct qed_dev *cdev)
+{
+ int i;
+
+ for_each_hwfn(cdev, i)
+ cdev->hwfns[i].b_int_requested = false;
+}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.h b/drivers/net/ethernet/qlogic/qed/qed_int.h
index 16b57518e706..51e0b09a7f47 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_int.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_int.h
@@ -169,10 +169,14 @@ int qed_int_get_num_sbs(struct qed_hwfn *p_hwfn,
int *p_iov_blks);
/**
- * @file
+ * @brief qed_int_disable_post_isr_release - performs the cleanup post ISR
+ * release. The API need to be called after releasing all slowpath IRQs
+ * of the device.
+ *
+ * @param cdev
*
- * @brief Interrupt handler
*/
+void qed_int_disable_post_isr_release(struct qed_dev *cdev);
#define QED_CAU_DEF_RX_TIMER_RES 0
#define QED_CAU_DEF_TX_TIMER_RES 0
@@ -366,10 +370,11 @@ void qed_int_setup(struct qed_hwfn *p_hwfn,
* @param p_hwfn
* @param p_ptt
* @param int_mode
+ *
+ * @return int
*/
-void qed_int_igu_enable(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- enum qed_int_mode int_mode);
+int qed_int_igu_enable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
+ enum qed_int_mode int_mode);
/**
* @brief - Initialize CAU status block entry
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 947c7af72b25..174f7341c5c3 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -476,41 +476,22 @@ static irqreturn_t qed_single_int(int irq, void *dev_instance)
return rc;
}
-static int qed_slowpath_irq_req(struct qed_dev *cdev)
+int qed_slowpath_irq_req(struct qed_hwfn *hwfn)
{
- int i = 0, rc = 0;
+ struct qed_dev *cdev = hwfn->cdev;
+ int rc = 0;
+ u8 id;
if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
- /* Request all the slowpath MSI-X vectors */
- for (i = 0; i < cdev->num_hwfns; i++) {
- snprintf(cdev->hwfns[i].name, NAME_SIZE,
- "sp-%d-%02x:%02x.%02x",
- i, cdev->pdev->bus->number,
- PCI_SLOT(cdev->pdev->devfn),
- cdev->hwfns[i].abs_pf_id);
-
- rc = request_irq(cdev->int_params.msix_table[i].vector,
- qed_msix_sp_int, 0,
- cdev->hwfns[i].name,
- cdev->hwfns[i].sp_dpc);
- if (rc)
- break;
-
- DP_VERBOSE(&cdev->hwfns[i],
- (NETIF_MSG_INTR | QED_MSG_SP),
+ id = hwfn->my_id;
+ snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x",
+ id, cdev->pdev->bus->number,
+ PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id);
+ rc = request_irq(cdev->int_params.msix_table[id].vector,
+ qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc);
+ if (!rc)
+ DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP),
"Requested slowpath MSI-X\n");
- }
-
- if (i != cdev->num_hwfns) {
- /* Free already request MSI-X vectors */
- for (i--; i >= 0; i--) {
- unsigned int vec =
- cdev->int_params.msix_table[i].vector;
- synchronize_irq(vec);
- free_irq(cdev->int_params.msix_table[i].vector,
- cdev->hwfns[i].sp_dpc);
- }
- }
} else {
unsigned long flags = 0;
@@ -534,13 +515,17 @@ static void qed_slowpath_irq_free(struct qed_dev *cdev)
if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
for_each_hwfn(cdev, i) {
+ if (!cdev->hwfns[i].b_int_requested)
+ break;
synchronize_irq(cdev->int_params.msix_table[i].vector);
free_irq(cdev->int_params.msix_table[i].vector,
cdev->hwfns[i].sp_dpc);
}
} else {
- free_irq(cdev->pdev->irq, cdev);
+ if (QED_LEADING_HWFN(cdev)->b_int_requested)
+ free_irq(cdev->pdev->irq, cdev);
}
+ qed_int_disable_post_isr_release(cdev);
}
static int qed_nic_stop(struct qed_dev *cdev)
@@ -765,16 +750,11 @@ static int qed_slowpath_start(struct qed_dev *cdev,
if (rc)
goto err1;
- /* Request the slowpath IRQ */
- rc = qed_slowpath_irq_req(cdev);
- if (rc)
- goto err2;
-
/* Allocate stream for unzipping */
rc = qed_alloc_stream_mem(cdev);
if (rc) {
DP_NOTICE(cdev, "Failed to allocate stream memory\n");
- goto err3;
+ goto err2;
}
/* Start the slowpath */
diff --git a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
index 7a5ce5914ace..e8df12335a97 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h
@@ -363,4 +363,8 @@
0x7 << 0)
#define MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT \
0
+#define PGLUE_B_REG_PF_BAR0_SIZE \
+ 0x2aae60UL
+#define PGLUE_B_REG_PF_BAR1_SIZE \
+ 0x2aae64UL
#endif
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h b/drivers/net/ethernet/qlogic/qed/qed_sp.h
index 31a1f1eb4f56..287fadfab52d 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h
@@ -124,8 +124,12 @@ struct qed_spq {
dma_addr_t p_phys;
struct qed_spq_entry *p_virt;
- /* Used as index for completions (returns on EQ by FW) */
- u16 echo_idx;
+#define SPQ_RING_SIZE \
+ (CORE_SPQE_PAGE_SIZE_BYTES / sizeof(struct slow_path_element))
+
+ /* Bitmap for handling out-of-order completions */
+ DECLARE_BITMAP(p_comp_bitmap, SPQ_RING_SIZE);
+ u8 comp_bitmap_idx;
/* Statistics */
u32 unlimited_pending_count;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c
index 7c0b8459666e..3dd548ab8df1 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c
@@ -112,8 +112,6 @@ static int
qed_spq_fill_entry(struct qed_hwfn *p_hwfn,
struct qed_spq_entry *p_ent)
{
- p_ent->elem.hdr.echo = 0;
- p_hwfn->p_spq->echo_idx++;
p_ent->flags = 0;
switch (p_ent->comp_mode) {
@@ -195,10 +193,12 @@ static int qed_spq_hw_post(struct qed_hwfn *p_hwfn,
struct qed_spq *p_spq,
struct qed_spq_entry *p_ent)
{
- struct qed_chain *p_chain = &p_hwfn->p_spq->chain;
+ struct qed_chain *p_chain = &p_hwfn->p_spq->chain;
+ u16 echo = qed_chain_get_prod_idx(p_chain);
struct slow_path_element *elem;
struct core_db_data db;
+ p_ent->elem.hdr.echo = cpu_to_le16(echo);
elem = qed_chain_produce(p_chain);
if (!elem) {
DP_NOTICE(p_hwfn, "Failed to produce from SPQ chain\n");
@@ -437,7 +437,9 @@ void qed_spq_setup(struct qed_hwfn *p_hwfn)
p_spq->comp_count = 0;
p_spq->comp_sent_count = 0;
p_spq->unlimited_pending_count = 0;
- p_spq->echo_idx = 0;
+
+ bitmap_zero(p_spq->p_comp_bitmap, SPQ_RING_SIZE);
+ p_spq->comp_bitmap_idx = 0;
/* SPQ cid, cannot fail */
qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_CORE, &p_spq->cid);
@@ -582,26 +584,32 @@ qed_spq_add_entry(struct qed_hwfn *p_hwfn,
struct qed_spq *p_spq = p_hwfn->p_spq;
if (p_ent->queue == &p_spq->unlimited_pending) {
- struct qed_spq_entry *p_en2;
if (list_empty(&p_spq->free_pool)) {
list_add_tail(&p_ent->list, &p_spq->unlimited_pending);
p_spq->unlimited_pending_count++;
return 0;
- }
+ } else {
+ struct qed_spq_entry *p_en2;
- p_en2 = list_first_entry(&p_spq->free_pool,
- struct qed_spq_entry,
- list);
- list_del(&p_en2->list);
+ p_en2 = list_first_entry(&p_spq->free_pool,
+ struct qed_spq_entry,
+ list);
+ list_del(&p_en2->list);
+
+ /* Copy the ring element physical pointer to the new
+ * entry, since we are about to override the entire ring
+ * entry and don't want to lose the pointer.
+ */
+ p_ent->elem.data_ptr = p_en2->elem.data_ptr;
- /* Strcut assignment */
- *p_en2 = *p_ent;
+ *p_en2 = *p_ent;
- kfree(p_ent);
+ kfree(p_ent);
- p_ent = p_en2;
+ p_ent = p_en2;
+ }
}
/* entry is to be placed in 'pending' queue */
@@ -777,13 +785,38 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
list_for_each_entry_safe(p_ent, tmp, &p_spq->completion_pending,
list) {
if (p_ent->elem.hdr.echo == echo) {
+ u16 pos = le16_to_cpu(echo) % SPQ_RING_SIZE;
+
list_del(&p_ent->list);
- qed_chain_return_produced(&p_spq->chain);
+ /* Avoid overriding of SPQ entries when getting
+ * out-of-order completions, by marking the completions
+ * in a bitmap and increasing the chain consumer only
+ * for the first successive completed entries.
+ */
+ bitmap_set(p_spq->p_comp_bitmap, pos, SPQ_RING_SIZE);
+
+ while (test_bit(p_spq->comp_bitmap_idx,
+ p_spq->p_comp_bitmap)) {
+ bitmap_clear(p_spq->p_comp_bitmap,
+ p_spq->comp_bitmap_idx,
+ SPQ_RING_SIZE);
+ p_spq->comp_bitmap_idx++;
+ qed_chain_return_produced(&p_spq->chain);
+ }
+
p_spq->comp_count++;
found = p_ent;
break;
}
+
+ /* This is relatively uncommon - depends on scenarios
+ * which have mutliple per-PF sent ramrods.
+ */
+ DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
+ "Got completion for echo %04x - doesn't match echo %04x in completion pending list\n",
+ le16_to_cpu(echo),
+ le16_to_cpu(p_ent->elem.hdr.echo));
}
/* Release lock before callback, as callback may post
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
index be7d7a62cc0d..34906750b7e7 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
@@ -246,12 +246,13 @@ int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter)
u32 state;
state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
- while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit--) {
+ while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit) {
+ idc->vnic_wait_limit--;
msleep(1000);
state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
}
- if (!idc->vnic_wait_limit) {
+ if (state != QLCNIC_DEV_NPAR_OPER) {
dev_err(&adapter->pdev->dev,
"vNIC mode not operational, state check timed out.\n");
return -EIO;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
index a5f422f26cb4..daf05155b732 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
@@ -772,8 +772,10 @@ int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
int i, err = 0;
for (i = 0; i < ahw->num_msix; i++) {
- qlcnic_alloc_mbx_args(&cmd, adapter,
- QLCNIC_CMD_MQ_TX_CONFIG_INTR);
+ err = qlcnic_alloc_mbx_args(&cmd, adapter,
+ QLCNIC_CMD_MQ_TX_CONFIG_INTR);
+ if (err)
+ return err;
type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
val = type | (ahw->intr_tbl[i].type << 4);
if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index 02b7115b6aaa..997976426799 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -4211,8 +4211,9 @@ static int ql_change_rx_buffers(struct ql_adapter *qdev)
/* Wait for an outstanding reset to complete. */
if (!test_bit(QL_ADAPTER_UP, &qdev->flags)) {
- int i = 3;
- while (i-- && !test_bit(QL_ADAPTER_UP, &qdev->flags)) {
+ int i = 4;
+
+ while (--i && !test_bit(QL_ADAPTER_UP, &qdev->flags)) {
netif_err(qdev, ifup, qdev->ndev,
"Waiting for adapter UP...\n");
ssleep(1);
diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index ddb2c6c6ec94..689a4a5c8dcf 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -736,9 +736,8 @@ qcaspi_netdev_tx_timeout(struct net_device *dev)
netdev_info(qca->net_dev, "Transmit timeout at %ld, latency %ld\n",
jiffies, jiffies - dev->trans_start);
qca->net_dev->stats.tx_errors++;
- /* wake the queue if there is room */
- if (qcaspi_tx_ring_has_space(&qca->txr))
- netif_wake_queue(dev);
+ /* Trigger tx queue flush and QCA7000 reset */
+ qca->sync = QCASPI_SYNC_UNKNOWN;
}
static int
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index ed5da4d47668..467d41698fd5 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -905,6 +905,9 @@ static int ravb_phy_init(struct net_device *ndev)
netdev_info(ndev, "limited PHY to 100Mbit/s\n");
}
+ /* 10BASE is not supported */
+ phydev->supported &= ~PHY_10BT_FEATURES;
+
netdev_info(ndev, "attached PHY %d (IRQ %d) to driver %s\n",
phydev->addr, phydev->irq, phydev->drv->name);
@@ -1037,7 +1040,7 @@ static const char ravb_gstrings_stats[][ETH_GSTRING_LEN] = {
"rx_queue_1_mcast_packets",
"rx_queue_1_errors",
"rx_queue_1_crc_errors",
- "rx_queue_1_frame_errors_",
+ "rx_queue_1_frame_errors",
"rx_queue_1_length_errors",
"rx_queue_1_missed_errors",
"rx_queue_1_over_errors",
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index e7bab7909ed9..6a8fc0f341ff 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -52,6 +52,8 @@
NETIF_MSG_RX_ERR| \
NETIF_MSG_TX_ERR)
+#define SH_ETH_OFFSET_INVALID ((u16)~0)
+
#define SH_ETH_OFFSET_DEFAULTS \
[0 ... SH_ETH_MAX_REGISTER_OFFSET - 1] = SH_ETH_OFFSET_INVALID
@@ -404,6 +406,28 @@ static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = {
static void sh_eth_rcv_snd_disable(struct net_device *ndev);
static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev);
+static void sh_eth_write(struct net_device *ndev, u32 data, int enum_index)
+{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+ u16 offset = mdp->reg_offset[enum_index];
+
+ if (WARN_ON(offset == SH_ETH_OFFSET_INVALID))
+ return;
+
+ iowrite32(data, mdp->addr + offset);
+}
+
+static u32 sh_eth_read(struct net_device *ndev, int enum_index)
+{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+ u16 offset = mdp->reg_offset[enum_index];
+
+ if (WARN_ON(offset == SH_ETH_OFFSET_INVALID))
+ return ~0U;
+
+ return ioread32(mdp->addr + offset);
+}
+
static bool sh_eth_is_gether(struct sh_eth_private *mdp)
{
return mdp->reg_offset == sh_eth_offset_gigabit;
@@ -1143,6 +1167,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring;
int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
dma_addr_t dma_addr;
+ u32 buf_len;
mdp->cur_rx = 0;
mdp->cur_tx = 0;
@@ -1163,16 +1188,16 @@ static void sh_eth_ring_format(struct net_device *ndev)
/* RX descriptor */
rxdesc = &mdp->rx_ring[i];
/* The size of the buffer is a multiple of 32 bytes. */
- rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32);
- dma_addr = dma_map_single(&ndev->dev, skb->data,
- rxdesc->buffer_length,
+ buf_len = ALIGN(mdp->rx_buf_sz, 32);
+ rxdesc->len = cpu_to_edmac(mdp, buf_len << 16);
+ dma_addr = dma_map_single(&ndev->dev, skb->data, buf_len,
DMA_FROM_DEVICE);
if (dma_mapping_error(&ndev->dev, dma_addr)) {
kfree_skb(skb);
break;
}
mdp->rx_skbuff[i] = skb;
- rxdesc->addr = dma_addr;
+ rxdesc->addr = cpu_to_edmac(mdp, dma_addr);
rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP);
/* Rx descriptor address set */
@@ -1196,7 +1221,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
mdp->tx_skbuff[i] = NULL;
txdesc = &mdp->tx_ring[i];
txdesc->status = cpu_to_edmac(mdp, TD_TFP);
- txdesc->buffer_length = 0;
+ txdesc->len = cpu_to_edmac(mdp, 0);
if (i == 0) {
/* Tx descriptor address set */
sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR);
@@ -1403,8 +1428,10 @@ static int sh_eth_txfree(struct net_device *ndev)
entry, edmac_to_cpu(mdp, txdesc->status));
/* Free the original skb. */
if (mdp->tx_skbuff[entry]) {
- dma_unmap_single(&ndev->dev, txdesc->addr,
- txdesc->buffer_length, DMA_TO_DEVICE);
+ dma_unmap_single(&ndev->dev,
+ edmac_to_cpu(mdp, txdesc->addr),
+ edmac_to_cpu(mdp, txdesc->len) >> 16,
+ DMA_TO_DEVICE);
dev_kfree_skb_irq(mdp->tx_skbuff[entry]);
mdp->tx_skbuff[entry] = NULL;
free_num++;
@@ -1414,7 +1441,7 @@ static int sh_eth_txfree(struct net_device *ndev)
txdesc->status |= cpu_to_edmac(mdp, TD_TDLE);
ndev->stats.tx_packets++;
- ndev->stats.tx_bytes += txdesc->buffer_length;
+ ndev->stats.tx_bytes += edmac_to_cpu(mdp, txdesc->len) >> 16;
}
return free_num;
}
@@ -1433,6 +1460,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
u32 desc_status;
int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
dma_addr_t dma_addr;
+ u32 buf_len;
boguscnt = min(boguscnt, *quota);
limit = boguscnt;
@@ -1441,7 +1469,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
/* RACT bit must be checked before all the following reads */
dma_rmb();
desc_status = edmac_to_cpu(mdp, rxdesc->status);
- pkt_len = rxdesc->frame_length;
+ pkt_len = edmac_to_cpu(mdp, rxdesc->len) & RD_RFL;
if (--boguscnt < 0)
break;
@@ -1462,6 +1490,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
if (mdp->cd->shift_rd0)
desc_status >>= 16;
+ skb = mdp->rx_skbuff[entry];
if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 |
RD_RFS5 | RD_RFS6 | RD_RFS10)) {
ndev->stats.rx_errors++;
@@ -1477,16 +1506,16 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
ndev->stats.rx_missed_errors++;
if (desc_status & RD_RFS10)
ndev->stats.rx_over_errors++;
- } else {
+ } else if (skb) {
+ dma_addr = edmac_to_cpu(mdp, rxdesc->addr);
if (!mdp->cd->hw_swap)
sh_eth_soft_swap(
- phys_to_virt(ALIGN(rxdesc->addr, 4)),
+ phys_to_virt(ALIGN(dma_addr, 4)),
pkt_len + 2);
- skb = mdp->rx_skbuff[entry];
mdp->rx_skbuff[entry] = NULL;
if (mdp->cd->rpadir)
skb_reserve(skb, NET_IP_ALIGN);
- dma_unmap_single(&ndev->dev, rxdesc->addr,
+ dma_unmap_single(&ndev->dev, dma_addr,
ALIGN(mdp->rx_buf_sz, 32),
DMA_FROM_DEVICE);
skb_put(skb, pkt_len);
@@ -1506,7 +1535,8 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
entry = mdp->dirty_rx % mdp->num_rx_ring;
rxdesc = &mdp->rx_ring[entry];
/* The size of the buffer is 32 byte boundary. */
- rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32);
+ buf_len = ALIGN(mdp->rx_buf_sz, 32);
+ rxdesc->len = cpu_to_edmac(mdp, buf_len << 16);
if (mdp->rx_skbuff[entry] == NULL) {
skb = netdev_alloc_skb(ndev, skbuff_size);
@@ -1514,8 +1544,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
break; /* Better luck next round. */
sh_eth_set_receive_align(skb);
dma_addr = dma_map_single(&ndev->dev, skb->data,
- rxdesc->buffer_length,
- DMA_FROM_DEVICE);
+ buf_len, DMA_FROM_DEVICE);
if (dma_mapping_error(&ndev->dev, dma_addr)) {
kfree_skb(skb);
break;
@@ -1523,7 +1552,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
mdp->rx_skbuff[entry] = skb;
skb_checksum_none_assert(skb);
- rxdesc->addr = dma_addr;
+ rxdesc->addr = cpu_to_edmac(mdp, dma_addr);
}
dma_wmb(); /* RACT bit must be set after all the above writes */
if (entry >= mdp->num_rx_ring - 1)
@@ -2331,8 +2360,8 @@ static void sh_eth_tx_timeout(struct net_device *ndev)
/* Free all the skbuffs in the Rx queue. */
for (i = 0; i < mdp->num_rx_ring; i++) {
rxdesc = &mdp->rx_ring[i];
- rxdesc->status = 0;
- rxdesc->addr = 0xBADF00D0;
+ rxdesc->status = cpu_to_edmac(mdp, 0);
+ rxdesc->addr = cpu_to_edmac(mdp, 0xBADF00D0);
dev_kfree_skb(mdp->rx_skbuff[i]);
mdp->rx_skbuff[i] = NULL;
}
@@ -2350,6 +2379,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
struct sh_eth_txdesc *txdesc;
+ dma_addr_t dma_addr;
u32 entry;
unsigned long flags;
@@ -2372,15 +2402,15 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
txdesc = &mdp->tx_ring[entry];
/* soft swap. */
if (!mdp->cd->hw_swap)
- sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)),
- skb->len + 2);
- txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len,
- DMA_TO_DEVICE);
- if (dma_mapping_error(&ndev->dev, txdesc->addr)) {
+ sh_eth_soft_swap(PTR_ALIGN(skb->data, 4), skb->len + 2);
+ dma_addr = dma_map_single(&ndev->dev, skb->data, skb->len,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(&ndev->dev, dma_addr)) {
kfree_skb(skb);
return NETDEV_TX_OK;
}
- txdesc->buffer_length = skb->len;
+ txdesc->addr = cpu_to_edmac(mdp, dma_addr);
+ txdesc->len = cpu_to_edmac(mdp, skb->len << 16);
dma_wmb(); /* TACT bit must be set after all the above writes */
if (entry >= mdp->num_tx_ring - 1)
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 50382b1c9ddc..72fcfc924589 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -283,7 +283,7 @@ enum DMAC_IM_BIT {
DMAC_M_RINT1 = 0x00000001,
};
-/* Receive descriptor bit */
+/* Receive descriptor 0 bits */
enum RD_STS_BIT {
RD_RACT = 0x80000000, RD_RDLE = 0x40000000,
RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000,
@@ -298,6 +298,12 @@ enum RD_STS_BIT {
#define RDFEND RD_RFP0
#define RD_RFP (RD_RFP1|RD_RFP0)
+/* Receive descriptor 1 bits */
+enum RD_LEN_BIT {
+ RD_RFL = 0x0000ffff, /* receive frame length */
+ RD_RBL = 0xffff0000, /* receive buffer length */
+};
+
/* FCFTR */
enum FCFTR_BIT {
FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
@@ -307,7 +313,7 @@ enum FCFTR_BIT {
#define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0)
#define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0)
-/* Transmit descriptor bit */
+/* Transmit descriptor 0 bits */
enum TD_STS_BIT {
TD_TACT = 0x80000000, TD_TDLE = 0x40000000,
TD_TFP1 = 0x20000000, TD_TFP0 = 0x10000000,
@@ -317,6 +323,11 @@ enum TD_STS_BIT {
#define TDFEND TD_TFP0
#define TD_TFP (TD_TFP1|TD_TFP0)
+/* Transmit descriptor 1 bits */
+enum TD_LEN_BIT {
+ TD_TBL = 0xffff0000, /* transmit buffer length */
+};
+
/* RMCR */
enum RMCR_BIT {
RMCR_RNC = 0x00000001,
@@ -425,15 +436,9 @@ enum TSU_FWSLC_BIT {
*/
struct sh_eth_txdesc {
u32 status; /* TD0 */
-#if defined(__LITTLE_ENDIAN)
- u16 pad0; /* TD1 */
- u16 buffer_length; /* TD1 */
-#else
- u16 buffer_length; /* TD1 */
- u16 pad0; /* TD1 */
-#endif
+ u32 len; /* TD1 */
u32 addr; /* TD2 */
- u32 pad1; /* padding data */
+ u32 pad0; /* padding data */
} __aligned(2) __packed;
/* The sh ether Rx buffer descriptors.
@@ -441,13 +446,7 @@ struct sh_eth_txdesc {
*/
struct sh_eth_rxdesc {
u32 status; /* RD0 */
-#if defined(__LITTLE_ENDIAN)
- u16 frame_length; /* RD1 */
- u16 buffer_length; /* RD1 */
-#else
- u16 buffer_length; /* RD1 */
- u16 frame_length; /* RD1 */
-#endif
+ u32 len; /* RD1 */
u32 addr; /* RD2 */
u32 pad0; /* padding data */
} __aligned(2) __packed;
@@ -546,31 +545,6 @@ static inline void sh_eth_soft_swap(char *src, int len)
#endif
}
-#define SH_ETH_OFFSET_INVALID ((u16) ~0)
-
-static inline void sh_eth_write(struct net_device *ndev, u32 data,
- int enum_index)
-{
- struct sh_eth_private *mdp = netdev_priv(ndev);
- u16 offset = mdp->reg_offset[enum_index];
-
- if (WARN_ON(offset == SH_ETH_OFFSET_INVALID))
- return;
-
- iowrite32(data, mdp->addr + offset);
-}
-
-static inline u32 sh_eth_read(struct net_device *ndev, int enum_index)
-{
- struct sh_eth_private *mdp = netdev_priv(ndev);
- u16 offset = mdp->reg_offset[enum_index];
-
- if (WARN_ON(offset == SH_ETH_OFFSET_INVALID))
- return ~0U;
-
- return ioread32(mdp->addr + offset);
-}
-
static inline void *sh_eth_tsu_get_offset(struct sh_eth_private *mdp,
int enum_index)
{
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index bc6d21b471be..e6a084a6be12 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -3299,7 +3299,8 @@ static int efx_ef10_filter_remove_internal(struct efx_nic *efx,
new_spec.priority = EFX_FILTER_PRI_AUTO;
new_spec.flags = (EFX_FILTER_FLAG_RX |
- EFX_FILTER_FLAG_RX_RSS);
+ (efx_rss_enabled(efx) ?
+ EFX_FILTER_FLAG_RX_RSS : 0));
new_spec.dmaq_id = 0;
new_spec.rss_context = EFX_FILTER_RSS_CONTEXT_DEFAULT;
rc = efx_ef10_filter_push(efx, &new_spec,
@@ -3921,6 +3922,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
{
struct efx_ef10_filter_table *table = efx->filter_state;
struct efx_ef10_dev_addr *addr_list;
+ enum efx_filter_flags filter_flags;
struct efx_filter_spec spec;
u8 baddr[ETH_ALEN];
unsigned int i, j;
@@ -3935,11 +3937,11 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
addr_count = table->dev_uc_count;
}
+ filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0;
+
/* Insert/renew filters */
for (i = 0; i < addr_count; i++) {
- efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
- EFX_FILTER_FLAG_RX_RSS,
- 0);
+ efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0);
efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC,
addr_list[i].addr);
rc = efx_ef10_filter_insert(efx, &spec, true);
@@ -3968,9 +3970,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx,
if (multicast && rollback) {
/* Also need an Ethernet broadcast filter */
- efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
- EFX_FILTER_FLAG_RX_RSS,
- 0);
+ efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0);
eth_broadcast_addr(baddr);
efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC, baddr);
rc = efx_ef10_filter_insert(efx, &spec, true);
@@ -4000,13 +4000,14 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx, bool multicast,
{
struct efx_ef10_filter_table *table = efx->filter_state;
struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ enum efx_filter_flags filter_flags;
struct efx_filter_spec spec;
u8 baddr[ETH_ALEN];
int rc;
- efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
- EFX_FILTER_FLAG_RX_RSS,
- 0);
+ filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0;
+
+ efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0);
if (multicast)
efx_filter_set_mc_def(&spec);
@@ -4023,8 +4024,7 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx, bool multicast,
if (!nic_data->workaround_26807) {
/* Also need an Ethernet broadcast filter */
efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
- EFX_FILTER_FLAG_RX_RSS,
- 0);
+ filter_flags, 0);
eth_broadcast_addr(baddr);
efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC,
baddr);
diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h
index 1aaf76c1ace8..10827476bc0b 100644
--- a/drivers/net/ethernet/sfc/efx.h
+++ b/drivers/net/ethernet/sfc/efx.h
@@ -76,6 +76,11 @@ void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue);
#define EFX_TXQ_MAX_ENT(efx) (EFX_WORKAROUND_35388(efx) ? \
EFX_MAX_DMAQ_SIZE / 2 : EFX_MAX_DMAQ_SIZE)
+static inline bool efx_rss_enabled(struct efx_nic *efx)
+{
+ return efx->rss_spread > 1;
+}
+
/* Filters */
void efx_mac_reconfigure(struct efx_nic *efx);
diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c
index 5a1c5a8f278a..133e9e35be9e 100644
--- a/drivers/net/ethernet/sfc/farch.c
+++ b/drivers/net/ethernet/sfc/farch.c
@@ -2242,7 +2242,7 @@ efx_farch_filter_init_rx_auto(struct efx_nic *efx,
*/
spec->priority = EFX_FILTER_PRI_AUTO;
spec->flags = (EFX_FILTER_FLAG_RX |
- (efx->n_rx_channels > 1 ? EFX_FILTER_FLAG_RX_RSS : 0) |
+ (efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0) |
(efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0));
spec->dmaq_id = 0;
}
diff --git a/drivers/net/ethernet/sfc/txc43128_phy.c b/drivers/net/ethernet/sfc/txc43128_phy.c
index 3d5ee3259885..194f67d9f3bf 100644
--- a/drivers/net/ethernet/sfc/txc43128_phy.c
+++ b/drivers/net/ethernet/sfc/txc43128_phy.c
@@ -418,7 +418,7 @@ static void txc_reset_logic_mmd(struct efx_nic *efx, int mmd)
val |= (1 << TXC_GLCMD_LMTSWRST_LBN);
efx_mdio_write(efx, mmd, TXC_GLRGS_GLCMD, val);
- while (tries--) {
+ while (--tries) {
val = efx_mdio_read(efx, mmd, TXC_GLRGS_GLCMD);
if (!(val & (1 << TXC_GLCMD_LMTSWRST_LBN)))
break;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
index 52b8ed9bd87c..adff46375a32 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
@@ -153,7 +153,11 @@ static int sun7i_gmac_probe(struct platform_device *pdev)
if (ret)
return ret;
- return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+ ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+ if (ret)
+ sun7i_gmac_exit(pdev, plat_dat->bsp_priv);
+
+ return ret;
}
static const struct of_device_id sun7i_dwmac_match[] = {
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 3c6549aee11d..a5b869eb4678 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3046,8 +3046,6 @@ int stmmac_suspend(struct net_device *ndev)
priv->hw->dma->stop_tx(priv->ioaddr);
priv->hw->dma->stop_rx(priv->ioaddr);
- stmmac_clear_descriptors(priv);
-
/* Enable Power down mode by programming the PMT regs */
if (device_may_wakeup(priv->device)) {
priv->hw->mac->pmt(priv->hw, priv->wolopts);
@@ -3105,7 +3103,12 @@ int stmmac_resume(struct net_device *ndev)
netif_device_attach(ndev);
- init_dma_desc_rings(ndev, GFP_ATOMIC);
+ priv->cur_rx = 0;
+ priv->dirty_rx = 0;
+ priv->dirty_tx = 0;
+ priv->cur_tx = 0;
+ stmmac_clear_descriptors(priv);
+
stmmac_hw_setup(ndev, false);
stmmac_init_tx_coalesce(priv);
stmmac_set_rx_mode(ndev);
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 48b92c9de12a..fc958067d10a 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -2026,45 +2026,54 @@ static int cpsw_probe_dt(struct cpsw_priv *priv,
for_each_child_of_node(node, slave_node) {
struct cpsw_slave_data *slave_data = data->slave_data + i;
const void *mac_addr = NULL;
- u32 phyid;
int lenp;
const __be32 *parp;
- struct device_node *mdio_node;
- struct platform_device *mdio;
/* This is no slave child node, continue */
if (strcmp(slave_node->name, "slave"))
continue;
priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0);
+ parp = of_get_property(slave_node, "phy_id", &lenp);
if (of_phy_is_fixed_link(slave_node)) {
- struct phy_device *pd;
+ struct device_node *phy_node;
+ struct phy_device *phy_dev;
+ /* In the case of a fixed PHY, the DT node associated
+ * to the PHY is the Ethernet MAC DT node.
+ */
ret = of_phy_register_fixed_link(slave_node);
if (ret)
return ret;
- pd = of_phy_find_device(slave_node);
- if (!pd)
+ phy_node = of_node_get(slave_node);
+ phy_dev = of_phy_find_device(phy_node);
+ if (!phy_dev)
return -ENODEV;
snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
- PHY_ID_FMT, pd->bus->id, pd->phy_id);
- goto no_phy_slave;
- }
- parp = of_get_property(slave_node, "phy_id", &lenp);
- if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) {
- dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i);
+ PHY_ID_FMT, phy_dev->bus->id, phy_dev->addr);
+ } else if (parp) {
+ u32 phyid;
+ struct device_node *mdio_node;
+ struct platform_device *mdio;
+
+ if (lenp != (sizeof(__be32) * 2)) {
+ dev_err(&pdev->dev, "Invalid slave[%d] phy_id property\n", i);
+ goto no_phy_slave;
+ }
+ mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
+ phyid = be32_to_cpup(parp+1);
+ mdio = of_find_device_by_node(mdio_node);
+ of_node_put(mdio_node);
+ if (!mdio) {
+ dev_err(&pdev->dev, "Missing mdio platform device\n");
+ return -EINVAL;
+ }
+ snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+ PHY_ID_FMT, mdio->name, phyid);
+ } else {
+ dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
goto no_phy_slave;
}
- mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
- phyid = be32_to_cpup(parp+1);
- mdio = of_find_device_by_node(mdio_node);
- of_node_put(mdio_node);
- if (!mdio) {
- dev_err(&pdev->dev, "Missing mdio platform device\n");
- return -EINVAL;
- }
- snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
- PHY_ID_FMT, mdio->name, phyid);
slave_data->phy_if = of_get_phy_mode(slave_node);
if (slave_data->phy_if < 0) {
dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n",
@@ -2418,7 +2427,7 @@ static int cpsw_probe(struct platform_device *pdev)
ndev->irq = platform_get_irq(pdev, 1);
if (ndev->irq < 0) {
dev_err(priv->dev, "error getting irq resource\n");
- ret = -ENOENT;
+ ret = ndev->irq;
goto clean_ale_ret;
}
@@ -2439,8 +2448,10 @@ static int cpsw_probe(struct platform_device *pdev)
/* RX IRQ */
irq = platform_get_irq(pdev, 1);
- if (irq < 0)
+ if (irq < 0) {
+ ret = irq;
goto clean_ale_ret;
+ }
priv->irqs_table[0] = irq;
ret = devm_request_irq(&pdev->dev, irq, cpsw_rx_interrupt,
@@ -2452,8 +2463,10 @@ static int cpsw_probe(struct platform_device *pdev)
/* TX IRQ */
irq = platform_get_irq(pdev, 2);
- if (irq < 0)
+ if (irq < 0) {
+ ret = irq;
goto clean_ale_ret;
+ }
priv->irqs_table[1] = irq;
ret = devm_request_irq(&pdev->dev, irq, cpsw_tx_interrupt,
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index de5c30c9f059..58efdec12f30 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -967,8 +967,6 @@ static netdev_tx_t geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
err = udp_tunnel6_xmit_skb(dst, gs6->sock->sk, skb, dev,
&fl6.saddr, &fl6.daddr, prio, ttl,
sport, geneve->dst_port, !udp_csum);
-
- iptunnel_xmit_stats(err, &dev->stats, dev->tstats);
return NETDEV_TX_OK;
tx_error:
@@ -1157,7 +1155,7 @@ static int geneve_configure(struct net *net, struct net_device *dev,
struct geneve_net *gn = net_generic(net, geneve_net_id);
struct geneve_dev *t, *geneve = netdev_priv(dev);
bool tun_collect_md, tun_on_same_port;
- int err;
+ int err, encap_len;
if (!remote)
return -EINVAL;
@@ -1189,6 +1187,14 @@ static int geneve_configure(struct net *net, struct net_device *dev,
if (t)
return -EBUSY;
+ /* make enough headroom for basic scenario */
+ encap_len = GENEVE_BASE_HLEN + ETH_HLEN;
+ if (remote->sa.sa_family == AF_INET)
+ encap_len += sizeof(struct iphdr);
+ else
+ encap_len += sizeof(struct ipv6hdr);
+ dev->needed_headroom = encap_len + ETH_HLEN;
+
if (metadata) {
if (tun_on_same_port)
return -EPERM;
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 7c4a4151ef0f..5a1e98547031 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -683,14 +683,20 @@ static void sixpack_close(struct tty_struct *tty)
if (!atomic_dec_and_test(&sp->refcnt))
down(&sp->dead_sem);
- unregister_netdev(sp->dev);
+ /* We must stop the queue to avoid potentially scribbling
+ * on the free buffers. The sp->dead_sem is not sufficient
+ * to protect us from sp->xbuff access.
+ */
+ netif_stop_queue(sp->dev);
- del_timer(&sp->tx_t);
- del_timer(&sp->resync_t);
+ del_timer_sync(&sp->tx_t);
+ del_timer_sync(&sp->resync_t);
/* Free all 6pack frame buffers. */
kfree(sp->rbuff);
kfree(sp->xbuff);
+
+ unregister_netdev(sp->dev);
}
/* Perform I/O control on an active 6pack channel. */
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 216bfd350169..85828f153445 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -797,14 +797,19 @@ static void mkiss_close(struct tty_struct *tty)
*/
if (!atomic_dec_and_test(&ax->refcnt))
down(&ax->dead_sem);
-
- unregister_netdev(ax->dev);
+ /*
+ * Halt the transmit queue so that a new transmit cannot scribble
+ * on our buffers
+ */
+ netif_stop_queue(ax->dev);
/* Free all AX25 frame buffers. */
kfree(ax->rbuff);
kfree(ax->xbuff);
ax->tty = NULL;
+
+ unregister_netdev(ax->dev);
}
/* Perform I/O control on an active ax25 channel. */
diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c
index 908e8d486342..7f8e7662e28c 100644
--- a/drivers/net/phy/mdio-mux.c
+++ b/drivers/net/phy/mdio-mux.c
@@ -149,9 +149,14 @@ int mdio_mux_init(struct device *dev,
}
cb->bus_number = v;
cb->parent = pb;
+
cb->mii_bus = mdiobus_alloc();
+ if (!cb->mii_bus) {
+ ret_val = -ENOMEM;
+ of_node_put(child_bus_node);
+ break;
+ }
cb->mii_bus->priv = cb;
-
cb->mii_bus->irq = cb->phy_irq;
cb->mii_bus->name = "mdio_mux";
snprintf(cb->mii_bus->id, MII_BUS_ID_SIZE, "%x.%x",
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index cf6312fafea5..e13ad6cdcc22 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -339,9 +339,18 @@ static int ksz9021_config_init(struct phy_device *phydev)
{
const struct device *dev = &phydev->dev;
const struct device_node *of_node = dev->of_node;
+ const struct device *dev_walker;
- if (!of_node && dev->parent->of_node)
- of_node = dev->parent->of_node;
+ /* The Micrel driver has a deprecated option to place phy OF
+ * properties in the MAC node. Walk up the tree of devices to
+ * find a device with an OF node.
+ */
+ dev_walker = &phydev->dev;
+ do {
+ of_node = dev_walker->of_node;
+ dev_walker = dev_walker->parent;
+
+ } while (!of_node && dev_walker);
if (of_node) {
ksz9021_load_values_from_of(phydev, of_node,
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index 5e0b43283bce..0a37f840fcc5 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -568,6 +568,9 @@ static int pppoe_create(struct net *net, struct socket *sock, int kern)
sk->sk_family = PF_PPPOX;
sk->sk_protocol = PX_PROTO_OE;
+ INIT_WORK(&pppox_sk(sk)->proto.pppoe.padt_work,
+ pppoe_unbind_sock_work);
+
return 0;
}
@@ -632,8 +635,6 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
lock_sock(sk);
- INIT_WORK(&po->proto.pppoe.padt_work, pppoe_unbind_sock_work);
-
error = -EINVAL;
if (sp->sa_protocol != PX_PROTO_OE)
goto end;
@@ -663,8 +664,13 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
po->pppoe_dev = NULL;
}
- memset(sk_pppox(po) + 1, 0,
- sizeof(struct pppox_sock) - sizeof(struct sock));
+ po->pppoe_ifindex = 0;
+ memset(&po->pppoe_pa, 0, sizeof(po->pppoe_pa));
+ memset(&po->pppoe_relay, 0, sizeof(po->pppoe_relay));
+ memset(&po->chan, 0, sizeof(po->chan));
+ po->next = NULL;
+ po->num = 0;
+
sk->sk_state = PPPOX_NONE;
}
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index fc69e41d0950..597c53e0a2ec 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -419,6 +419,9 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr,
struct pptp_opt *opt = &po->proto.pptp;
int error = 0;
+ if (sockaddr_len < sizeof(struct sockaddr_pppox))
+ return -EINVAL;
+
lock_sock(sk);
opt->src_addr = sp->sa_addr.pptp;
@@ -440,6 +443,9 @@ static int pptp_connect(struct socket *sock, struct sockaddr *uservaddr,
struct flowi4 fl4;
int error = 0;
+ if (sockaddr_len < sizeof(struct sockaddr_pppox))
+ return -EINVAL;
+
if (sp->sa_protocol != PX_PROTO_PPTP)
return -EINVAL;
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index bbde9884ab8a..bdd83d95ec0a 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -100,7 +100,7 @@ static const struct net_device_ops cdc_mbim_netdev_ops = {
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
- .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_change_mtu = cdc_ncm_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_vlan_rx_add_vid = cdc_mbim_rx_add_vid,
@@ -158,7 +158,7 @@ static int cdc_mbim_bind(struct usbnet *dev, struct usb_interface *intf)
if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting))
goto err;
- ret = cdc_ncm_bind_common(dev, intf, data_altsetting, 0);
+ ret = cdc_ncm_bind_common(dev, intf, data_altsetting, dev->driver_info->data);
if (ret)
goto err;
@@ -582,6 +582,26 @@ static const struct driver_info cdc_mbim_info_zlp = {
.tx_fixup = cdc_mbim_tx_fixup,
};
+/* The spefication explicitly allows NDPs to be placed anywhere in the
+ * frame, but some devices fail unless the NDP is placed after the IP
+ * packets. Using the CDC_NCM_FLAG_NDP_TO_END flags to force this
+ * behaviour.
+ *
+ * Note: The current implementation of this feature restricts each NTB
+ * to a single NDP, implying that multiplexed sessions cannot share an
+ * NTB. This might affect performace for multiplexed sessions.
+ */
+static const struct driver_info cdc_mbim_info_ndp_to_end = {
+ .description = "CDC MBIM",
+ .flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN,
+ .bind = cdc_mbim_bind,
+ .unbind = cdc_mbim_unbind,
+ .manage_power = cdc_mbim_manage_power,
+ .rx_fixup = cdc_mbim_rx_fixup,
+ .tx_fixup = cdc_mbim_tx_fixup,
+ .data = CDC_NCM_FLAG_NDP_TO_END,
+};
+
static const struct usb_device_id mbim_devs[] = {
/* This duplicate NCM entry is intentional. MBIM devices can
* be disguised as NCM by default, and this is necessary to
@@ -597,6 +617,10 @@ static const struct usb_device_id mbim_devs[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(0x0bdb, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info,
},
+ /* Huawei E3372 fails unless NDP comes after the IP packets */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x12d1, 0x157d, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&cdc_mbim_info_ndp_to_end,
+ },
/* default entry */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info_zlp,
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 3b1ba8237768..e8a1144c5a8b 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -41,6 +41,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/ctype.h>
+#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/workqueue.h>
#include <linux/mii.h>
@@ -689,6 +690,33 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx)
kfree(ctx);
}
+/* we need to override the usbnet change_mtu ndo for two reasons:
+ * - respect the negotiated maximum datagram size
+ * - avoid unwanted changes to rx and tx buffers
+ */
+int cdc_ncm_change_mtu(struct net_device *net, int new_mtu)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0];
+ int maxmtu = ctx->max_datagram_size - cdc_ncm_eth_hlen(dev);
+
+ if (new_mtu <= 0 || new_mtu > maxmtu)
+ return -EINVAL;
+ net->mtu = new_mtu;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(cdc_ncm_change_mtu);
+
+static const struct net_device_ops cdc_ncm_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = cdc_ncm_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags)
{
struct cdc_ncm_ctx *ctx;
@@ -823,6 +851,9 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
/* add our sysfs attrs */
dev->net->sysfs_groups[0] = &cdc_ncm_sysfs_attr_group;
+ /* must handle MTU changes */
+ dev->net->netdev_ops = &cdc_ncm_netdev_ops;
+
return 0;
error2:
@@ -955,10 +986,18 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_
* NTH16 header as we would normally do. NDP isn't written to the SKB yet, and
* the wNdpIndex field in the header is actually not consistent with reality. It will be later.
*/
- if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)
+ if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) {
if (ctx->delayed_ndp16->dwSignature == sign)
return ctx->delayed_ndp16;
+ /* We can only push a single NDP to the end. Return
+ * NULL to send what we've already got and queue this
+ * skb for later.
+ */
+ else if (ctx->delayed_ndp16->dwSignature)
+ return NULL;
+ }
+
/* follow the chain of NDPs, looking for a match */
while (ndpoffset) {
ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb->data + ndpoffset);
@@ -1550,6 +1589,24 @@ static const struct usb_device_id cdc_devs[] = {
.driver_info = (unsigned long) &wwan_info,
},
+ /* DW5812 LTE Verizon Mobile Broadband Card
+ * Unlike DW5550 this device requires FLAG_NOARP
+ */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bb,
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_noarp_info,
+ },
+
+ /* DW5813 LTE AT&T Mobile Broadband Card
+ * Unlike DW5550 this device requires FLAG_NOARP
+ */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bc,
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_noarp_info,
+ },
+
/* Dell branded MBM devices like DW5550 */
{ .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_VENDOR,
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 9a5be8b85186..5fccc5a8153f 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -742,6 +742,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
+ {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */
/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index d9427ca3dba7..2fb637ad594a 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3067,17 +3067,6 @@ static int rtl8152_open(struct net_device *netdev)
mutex_lock(&tp->control);
- /* The WORK_ENABLE may be set when autoresume occurs */
- if (test_bit(WORK_ENABLE, &tp->flags)) {
- clear_bit(WORK_ENABLE, &tp->flags);
- usb_kill_urb(tp->intr_urb);
- cancel_delayed_work_sync(&tp->schedule);
-
- /* disable the tx/rx, if the workqueue has enabled them. */
- if (netif_carrier_ok(netdev))
- tp->rtl_ops.disable(tp);
- }
-
tp->rtl_ops.up(tp);
rtl8152_set_speed(tp, AUTONEG_ENABLE,
@@ -3124,12 +3113,6 @@ static int rtl8152_close(struct net_device *netdev)
} else {
mutex_lock(&tp->control);
- /* The autosuspend may have been enabled and wouldn't
- * be disable when autoresume occurs, because the
- * netif_running() would be false.
- */
- rtl_runtime_suspend_enable(tp, false);
-
tp->rtl_ops.down(tp);
mutex_unlock(&tp->control);
@@ -3512,7 +3495,7 @@ static int rtl8152_resume(struct usb_interface *intf)
netif_device_attach(tp->netdev);
}
- if (netif_running(tp->netdev)) {
+ if (netif_running(tp->netdev) && tp->netdev->flags & IFF_UP) {
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
rtl_runtime_suspend_enable(tp, false);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
@@ -3532,6 +3515,8 @@ static int rtl8152_resume(struct usb_interface *intf)
}
usb_submit_urb(tp->intr_urb, GFP_KERNEL);
} else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
+ if (tp->netdev->flags & IFF_UP)
+ rtl_runtime_suspend_enable(tp, false);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
}
@@ -3540,6 +3525,14 @@ static int rtl8152_resume(struct usb_interface *intf)
return 0;
}
+static int rtl8152_reset_resume(struct usb_interface *intf)
+{
+ struct r8152 *tp = usb_get_intfdata(intf);
+
+ clear_bit(SELECTIVE_SUSPEND, &tp->flags);
+ return rtl8152_resume(intf);
+}
+
static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct r8152 *tp = netdev_priv(dev);
@@ -4291,7 +4284,7 @@ static struct usb_driver rtl8152_driver = {
.disconnect = rtl8152_disconnect,
.suspend = rtl8152_suspend,
.resume = rtl8152_resume,
- .reset_resume = rtl8152_resume,
+ .reset_resume = rtl8152_reset_resume,
.pre_reset = rtl8152_pre_reset,
.post_reset = rtl8152_post_reset,
.supports_autosuspend = 1,
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 0ef4a5ad5557..ba21d072be31 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -117,12 +117,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev)
kfree_skb(skb);
goto drop;
}
- /* don't change ip_summed == CHECKSUM_PARTIAL, as that
- * will cause bad checksum on forwarded packets
- */
- if (skb->ip_summed == CHECKSUM_NONE &&
- rcv->features & NETIF_F_RXCSUM)
- skb->ip_summed = CHECKSUM_UNNECESSARY;
if (likely(dev_forward_skb(rcv, skb) == NET_RX_SUCCESS)) {
struct pcpu_vstats *stats = this_cpu_ptr(dev->vstats);
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 417903715437..0cbf520cea77 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1380,10 +1380,10 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
skip_page_frags = true;
goto rcd_done;
}
- new_dma_addr = dma_map_page(&adapter->pdev->dev
- , rbi->page,
- 0, PAGE_SIZE,
- PCI_DMA_FROMDEVICE);
+ new_dma_addr = dma_map_page(&adapter->pdev->dev,
+ new_page,
+ 0, PAGE_SIZE,
+ PCI_DMA_FROMDEVICE);
if (dma_mapping_error(&adapter->pdev->dev,
new_dma_addr)) {
put_page(new_page);
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index 4c58c83dc225..bdb8a6c0f8aa 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -69,10 +69,10 @@
/*
* Version numbers
*/
-#define VMXNET3_DRIVER_VERSION_STRING "1.4.4.0-k"
+#define VMXNET3_DRIVER_VERSION_STRING "1.4.5.0-k"
/* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
-#define VMXNET3_DRIVER_VERSION_NUM 0x01040400
+#define VMXNET3_DRIVER_VERSION_NUM 0x01040500
#if defined(CONFIG_PCI_MSI)
/* RSS only makes sense if MSI-X is supported. */
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 4f9748457f5a..0a242b200df4 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -800,7 +800,7 @@ static struct rtable *vrf_get_rtable(const struct net_device *dev,
}
/* called under rcu_read_lock */
-static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
+static int vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
{
struct fib_result res = { .tclassid = 0 };
struct net *net = dev_net(dev);
@@ -808,9 +808,10 @@ static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
u8 flags = fl4->flowi4_flags;
u8 scope = fl4->flowi4_scope;
u8 tos = RT_FL_TOS(fl4);
+ int rc;
if (unlikely(!fl4->daddr))
- return;
+ return 0;
fl4->flowi4_flags |= FLOWI_FLAG_SKIP_NH_OIF;
fl4->flowi4_iif = LOOPBACK_IFINDEX;
@@ -818,7 +819,8 @@ static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
fl4->flowi4_scope = ((tos & RTO_ONLINK) ?
RT_SCOPE_LINK : RT_SCOPE_UNIVERSE);
- if (!fib_lookup(net, fl4, &res, 0)) {
+ rc = fib_lookup(net, fl4, &res, 0);
+ if (!rc) {
if (res.type == RTN_LOCAL)
fl4->saddr = res.fi->fib_prefsrc ? : fl4->daddr;
else
@@ -828,6 +830,8 @@ static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
fl4->flowi4_flags = flags;
fl4->flowi4_tos = orig_tos;
fl4->flowi4_scope = scope;
+
+ return rc;
}
#if IS_ENABLED(CONFIG_IPV6)
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 6369a5734d4c..ba363cedef80 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1158,7 +1158,6 @@ static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb,
struct pcpu_sw_netstats *stats;
union vxlan_addr saddr;
int err = 0;
- union vxlan_addr *remote_ip;
/* For flow based devices, map all packets to VNI 0 */
if (vs->flags & VXLAN_F_COLLECT_METADATA)
@@ -1169,7 +1168,6 @@ static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb,
if (!vxlan)
goto drop;
- remote_ip = &vxlan->default_dst.remote_ip;
skb_reset_mac_header(skb);
skb_scrub_packet(skb, !net_eq(vxlan->net, dev_net(vxlan->dev)));
skb->protocol = eth_type_trans(skb, vxlan->dev);
@@ -1179,8 +1177,8 @@ static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb,
if (ether_addr_equal(eth_hdr(skb)->h_source, vxlan->dev->dev_addr))
goto drop;
- /* Re-examine inner Ethernet packet */
- if (remote_ip->sa.sa_family == AF_INET) {
+ /* Get data from the outer IP header */
+ if (vxlan_get_sk_family(vs) == AF_INET) {
oip = ip_hdr(skb);
saddr.sin.sin_addr.s_addr = oip->saddr;
saddr.sa.sa_family = AF_INET;
@@ -1848,6 +1846,34 @@ static int vxlan_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *sk
!(vxflags & VXLAN_F_UDP_CSUM));
}
+#if IS_ENABLED(CONFIG_IPV6)
+static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan,
+ struct sk_buff *skb, int oif,
+ const struct in6_addr *daddr,
+ struct in6_addr *saddr)
+{
+ struct dst_entry *ndst;
+ struct flowi6 fl6;
+ int err;
+
+ memset(&fl6, 0, sizeof(fl6));
+ fl6.flowi6_oif = oif;
+ fl6.daddr = *daddr;
+ fl6.saddr = vxlan->cfg.saddr.sin6.sin6_addr;
+ fl6.flowi6_mark = skb->mark;
+ fl6.flowi6_proto = IPPROTO_UDP;
+
+ err = ipv6_stub->ipv6_dst_lookup(vxlan->net,
+ vxlan->vn6_sock->sock->sk,
+ &ndst, &fl6);
+ if (err < 0)
+ return ERR_PTR(err);
+
+ *saddr = fl6.saddr;
+ return ndst;
+}
+#endif
+
/* Bypass encapsulation if the destination is local */
static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan,
struct vxlan_dev *dst_vxlan)
@@ -2035,21 +2061,17 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
#if IS_ENABLED(CONFIG_IPV6)
} else {
struct dst_entry *ndst;
- struct flowi6 fl6;
+ struct in6_addr saddr;
u32 rt6i_flags;
if (!vxlan->vn6_sock)
goto drop;
sk = vxlan->vn6_sock->sock->sk;
- memset(&fl6, 0, sizeof(fl6));
- fl6.flowi6_oif = rdst ? rdst->remote_ifindex : 0;
- fl6.daddr = dst->sin6.sin6_addr;
- fl6.saddr = vxlan->cfg.saddr.sin6.sin6_addr;
- fl6.flowi6_mark = skb->mark;
- fl6.flowi6_proto = IPPROTO_UDP;
-
- if (ipv6_stub->ipv6_dst_lookup(vxlan->net, sk, &ndst, &fl6)) {
+ ndst = vxlan6_get_route(vxlan, skb,
+ rdst ? rdst->remote_ifindex : 0,
+ &dst->sin6.sin6_addr, &saddr);
+ if (IS_ERR(ndst)) {
netdev_dbg(dev, "no route to %pI6\n",
&dst->sin6.sin6_addr);
dev->stats.tx_carrier_errors++;
@@ -2081,7 +2103,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
}
ttl = ttl ? : ip6_dst_hoplimit(ndst);
- err = vxlan6_xmit_skb(ndst, sk, skb, dev, &fl6.saddr, &fl6.daddr,
+ err = vxlan6_xmit_skb(ndst, sk, skb, dev, &saddr, &dst->sin6.sin6_addr,
0, ttl, src_port, dst_port, htonl(vni << 8), md,
!net_eq(vxlan->net, dev_net(vxlan->dev)),
flags);
@@ -2395,9 +2417,30 @@ static int vxlan_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb)
vxlan->cfg.port_max, true);
dport = info->key.tp_dst ? : vxlan->cfg.dst_port;
- if (ip_tunnel_info_af(info) == AF_INET)
+ if (ip_tunnel_info_af(info) == AF_INET) {
+ if (!vxlan->vn4_sock)
+ return -EINVAL;
return egress_ipv4_tun_info(dev, skb, info, sport, dport);
- return -EINVAL;
+ } else {
+#if IS_ENABLED(CONFIG_IPV6)
+ struct dst_entry *ndst;
+
+ if (!vxlan->vn6_sock)
+ return -EINVAL;
+ ndst = vxlan6_get_route(vxlan, skb, 0,
+ &info->key.u.ipv6.dst,
+ &info->key.u.ipv6.src);
+ if (IS_ERR(ndst))
+ return PTR_ERR(ndst);
+ dst_release(ndst);
+
+ info->key.tp_src = sport;
+ info->key.tp_dst = dport;
+#else /* !CONFIG_IPV6 */
+ return -EPFNOSUPPORT;
+#endif
+ }
+ return 0;
}
static const struct net_device_ops vxlan_netdev_ops = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c
index bf88ec3a65fa..d9a4aee246a6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-7000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-7000.c
@@ -69,13 +69,19 @@
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
-#define IWL7260_UCODE_API_MAX 19
+#define IWL7260_UCODE_API_MAX 17
+#define IWL7265_UCODE_API_MAX 19
+#define IWL7265D_UCODE_API_MAX 19
/* Oldest version we won't warn about */
#define IWL7260_UCODE_API_OK 13
+#define IWL7265_UCODE_API_OK 13
+#define IWL7265D_UCODE_API_OK 13
/* Lowest firmware API version supported */
#define IWL7260_UCODE_API_MIN 13
+#define IWL7265_UCODE_API_MIN 13
+#define IWL7265D_UCODE_API_MIN 13
/* NVM versions */
#define IWL7260_NVM_VERSION 0x0a1d
@@ -149,10 +155,7 @@ static const struct iwl_ht_params iwl7000_ht_params = {
.ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ),
};
-#define IWL_DEVICE_7000 \
- .ucode_api_max = IWL7260_UCODE_API_MAX, \
- .ucode_api_ok = IWL7260_UCODE_API_OK, \
- .ucode_api_min = IWL7260_UCODE_API_MIN, \
+#define IWL_DEVICE_7000_COMMON \
.device_family = IWL_DEVICE_FAMILY_7000, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
@@ -163,6 +166,24 @@ static const struct iwl_ht_params iwl7000_ht_params = {
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.dccm_offset = IWL7000_DCCM_OFFSET
+#define IWL_DEVICE_7000 \
+ IWL_DEVICE_7000_COMMON, \
+ .ucode_api_max = IWL7260_UCODE_API_MAX, \
+ .ucode_api_ok = IWL7260_UCODE_API_OK, \
+ .ucode_api_min = IWL7260_UCODE_API_MIN
+
+#define IWL_DEVICE_7005 \
+ IWL_DEVICE_7000_COMMON, \
+ .ucode_api_max = IWL7265_UCODE_API_MAX, \
+ .ucode_api_ok = IWL7265_UCODE_API_OK, \
+ .ucode_api_min = IWL7265_UCODE_API_MIN
+
+#define IWL_DEVICE_7005D \
+ IWL_DEVICE_7000_COMMON, \
+ .ucode_api_max = IWL7265D_UCODE_API_MAX, \
+ .ucode_api_ok = IWL7265D_UCODE_API_OK, \
+ .ucode_api_min = IWL7265D_UCODE_API_MIN
+
const struct iwl_cfg iwl7260_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 7260",
.fw_name_pre = IWL7260_FW_PRE,
@@ -266,7 +287,7 @@ static const struct iwl_ht_params iwl7265_ht_params = {
const struct iwl_cfg iwl3165_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 3165",
.fw_name_pre = IWL7265D_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005D,
.ht_params = &iwl7000_ht_params,
.nvm_ver = IWL3165_NVM_VERSION,
.nvm_calib_ver = IWL3165_TX_POWER_VERSION,
@@ -277,7 +298,7 @@ const struct iwl_cfg iwl3165_2ac_cfg = {
const struct iwl_cfg iwl7265_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 7265",
.fw_name_pre = IWL7265_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -288,7 +309,7 @@ const struct iwl_cfg iwl7265_2ac_cfg = {
const struct iwl_cfg iwl7265_2n_cfg = {
.name = "Intel(R) Dual Band Wireless N 7265",
.fw_name_pre = IWL7265_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -299,7 +320,7 @@ const struct iwl_cfg iwl7265_2n_cfg = {
const struct iwl_cfg iwl7265_n_cfg = {
.name = "Intel(R) Wireless N 7265",
.fw_name_pre = IWL7265_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -310,7 +331,7 @@ const struct iwl_cfg iwl7265_n_cfg = {
const struct iwl_cfg iwl7265d_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 7265",
.fw_name_pre = IWL7265D_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005D,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265D_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -321,7 +342,7 @@ const struct iwl_cfg iwl7265d_2ac_cfg = {
const struct iwl_cfg iwl7265d_2n_cfg = {
.name = "Intel(R) Dual Band Wireless N 7265",
.fw_name_pre = IWL7265D_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005D,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265D_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -332,7 +353,7 @@ const struct iwl_cfg iwl7265d_2n_cfg = {
const struct iwl_cfg iwl7265d_n_cfg = {
.name = "Intel(R) Wireless N 7265",
.fw_name_pre = IWL7265D_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005D,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265D_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -342,5 +363,5 @@ const struct iwl_cfg iwl7265d_n_cfg = {
MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
-MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
-MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7265_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7265D_UCODE_API_OK));
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index 354acbde088e..2b976b110207 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -1222,8 +1222,8 @@ static u8 iwl_mvm_get_key_sta_id(struct iwl_mvm *mvm,
mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
u8 sta_id = mvmvif->ap_sta_id;
- sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
- lockdep_is_held(&mvm->mutex));
+ sta = rcu_dereference_check(mvm->fw_id_to_mac_id[sta_id],
+ lockdep_is_held(&mvm->mutex));
/*
* It is possible that the 'sta' parameter is NULL,
* for example when a GTK is removed - the sta_id will then
@@ -1590,14 +1590,15 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
u16 *phase1key)
{
struct iwl_mvm_sta *mvm_sta;
- u8 sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta);
+ u8 sta_id;
bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE);
- if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
- return;
-
rcu_read_lock();
+ sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta);
+ if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
+ goto unlock;
+
if (!sta) {
sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
if (WARN_ON(IS_ERR_OR_NULL(sta))) {
@@ -1609,6 +1610,8 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
mvm_sta = iwl_mvm_sta_from_mac80211(sta);
iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast,
iv32, phase1key, CMD_ASYNC, keyconf->hw_key_idx);
+
+ unlock:
rcu_read_unlock();
}
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index e481f3710bd3..1049c34e7d43 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -258,18 +258,18 @@ static struct xenvif_rx_meta *get_next_rx_buffer(struct xenvif_queue *queue,
struct netrx_pending_operations *npo)
{
struct xenvif_rx_meta *meta;
- struct xen_netif_rx_request *req;
+ struct xen_netif_rx_request req;
- req = RING_GET_REQUEST(&queue->rx, queue->rx.req_cons++);
+ RING_COPY_REQUEST(&queue->rx, queue->rx.req_cons++, &req);
meta = npo->meta + npo->meta_prod++;
meta->gso_type = XEN_NETIF_GSO_TYPE_NONE;
meta->gso_size = 0;
meta->size = 0;
- meta->id = req->id;
+ meta->id = req.id;
npo->copy_off = 0;
- npo->copy_gref = req->gref;
+ npo->copy_gref = req.gref;
return meta;
}
@@ -424,7 +424,7 @@ static int xenvif_gop_skb(struct sk_buff *skb,
struct xenvif *vif = netdev_priv(skb->dev);
int nr_frags = skb_shinfo(skb)->nr_frags;
int i;
- struct xen_netif_rx_request *req;
+ struct xen_netif_rx_request req;
struct xenvif_rx_meta *meta;
unsigned char *data;
int head = 1;
@@ -443,15 +443,15 @@ static int xenvif_gop_skb(struct sk_buff *skb,
/* Set up a GSO prefix descriptor, if necessary */
if ((1 << gso_type) & vif->gso_prefix_mask) {
- req = RING_GET_REQUEST(&queue->rx, queue->rx.req_cons++);
+ RING_COPY_REQUEST(&queue->rx, queue->rx.req_cons++, &req);
meta = npo->meta + npo->meta_prod++;
meta->gso_type = gso_type;
meta->gso_size = skb_shinfo(skb)->gso_size;
meta->size = 0;
- meta->id = req->id;
+ meta->id = req.id;
}
- req = RING_GET_REQUEST(&queue->rx, queue->rx.req_cons++);
+ RING_COPY_REQUEST(&queue->rx, queue->rx.req_cons++, &req);
meta = npo->meta + npo->meta_prod++;
if ((1 << gso_type) & vif->gso_mask) {
@@ -463,9 +463,9 @@ static int xenvif_gop_skb(struct sk_buff *skb,
}
meta->size = 0;
- meta->id = req->id;
+ meta->id = req.id;
npo->copy_off = 0;
- npo->copy_gref = req->gref;
+ npo->copy_gref = req.gref;
data = skb->data;
while (data < skb_tail_pointer(skb)) {
@@ -679,9 +679,7 @@ static void tx_add_credit(struct xenvif_queue *queue)
* Allow a burst big enough to transmit a jumbo packet of up to 128kB.
* Otherwise the interface can seize up due to insufficient credit.
*/
- max_burst = RING_GET_REQUEST(&queue->tx, queue->tx.req_cons)->size;
- max_burst = min(max_burst, 131072UL);
- max_burst = max(max_burst, queue->credit_bytes);
+ max_burst = max(131072UL, queue->credit_bytes);
/* Take care that adding a new chunk of credit doesn't wrap to zero. */
max_credit = queue->remaining_credit + queue->credit_bytes;
@@ -711,7 +709,7 @@ static void xenvif_tx_err(struct xenvif_queue *queue,
spin_unlock_irqrestore(&queue->response_lock, flags);
if (cons == end)
break;
- txp = RING_GET_REQUEST(&queue->tx, cons++);
+ RING_COPY_REQUEST(&queue->tx, cons++, txp);
} while (1);
queue->tx.req_cons = cons;
}
@@ -778,8 +776,7 @@ static int xenvif_count_requests(struct xenvif_queue *queue,
if (drop_err)
txp = &dropped_tx;
- memcpy(txp, RING_GET_REQUEST(&queue->tx, cons + slots),
- sizeof(*txp));
+ RING_COPY_REQUEST(&queue->tx, cons + slots, txp);
/* If the guest submitted a frame >= 64 KiB then
* first->size overflowed and following slots will
@@ -1112,8 +1109,7 @@ static int xenvif_get_extras(struct xenvif_queue *queue,
return -EBADR;
}
- memcpy(&extra, RING_GET_REQUEST(&queue->tx, cons),
- sizeof(extra));
+ RING_COPY_REQUEST(&queue->tx, cons, &extra);
if (unlikely(!extra.type ||
extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) {
queue->tx.req_cons = ++cons;
@@ -1322,7 +1318,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
idx = queue->tx.req_cons;
rmb(); /* Ensure that we see the request before we copy it. */
- memcpy(&txreq, RING_GET_REQUEST(&queue->tx, idx), sizeof(txreq));
+ RING_COPY_REQUEST(&queue->tx, idx, &txreq);
/* Credit-based scheduling. */
if (txreq.size > queue->remaining_credit &&
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 9e294ff4e652..0c67b57be83c 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2540,8 +2540,17 @@ static void nvme_ns_remove(struct nvme_ns *ns)
{
bool kill = nvme_io_incapable(ns->dev) && !blk_queue_dying(ns->queue);
- if (kill)
+ if (kill) {
blk_set_queue_dying(ns->queue);
+
+ /*
+ * The controller was shutdown first if we got here through
+ * device removal. The shutdown may requeue outstanding
+ * requests. These need to be aborted immediately so
+ * del_gendisk doesn't block indefinitely for their completion.
+ */
+ blk_mq_abort_requeue_list(ns->queue);
+ }
if (ns->disk->flags & GENHD_FL_UP)
del_gendisk(ns->disk);
if (kill || !blk_queue_dying(ns->queue)) {
@@ -2977,6 +2986,15 @@ static void nvme_dev_remove(struct nvme_dev *dev)
{
struct nvme_ns *ns, *next;
+ if (nvme_io_incapable(dev)) {
+ /*
+ * If the device is not capable of IO (surprise hot-removal,
+ * for example), we need to quiesce prior to deleting the
+ * namespaces. This will end outstanding requests and prevent
+ * attempts to sync dirty data.
+ */
+ nvme_dev_shutdown(dev);
+ }
list_for_each_entry_safe(ns, next, &dev->namespaces, list)
nvme_ns_remove(ns);
}
diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
index f131ba947dc6..c0ad9aaa16a7 100644
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig
@@ -5,6 +5,7 @@ config PCI_DRA7XX
bool "TI DRA7xx PCIe controller"
select PCIE_DW
depends on OF && HAS_IOMEM && TI_PIPE3
+ depends on BROKEN
help
Enables support for the PCIe controller in the DRA7xx SoC. There
are two instances of PCIe controller in DRA7xx. This controller can
diff --git a/drivers/pci/host/pcie-hisi.c b/drivers/pci/host/pcie-hisi.c
index 163671a4f798..77f7c669a1b9 100644
--- a/drivers/pci/host/pcie-hisi.c
+++ b/drivers/pci/host/pcie-hisi.c
@@ -61,7 +61,9 @@ static int hisi_pcie_cfg_read(struct pcie_port *pp, int where, int size,
*val = *(u8 __force *) walker;
else if (size == 2)
*val = *(u16 __force *) walker;
- else if (size != 4)
+ else if (size == 4)
+ *val = reg_val;
+ else
return PCIBIOS_BAD_REGISTER_NUMBER;
return PCIBIOS_SUCCESSFUL;
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 7eb5859dd035..03cb3ea2d2c0 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -233,6 +233,7 @@ config PHY_SUN9I_USB
tristate "Allwinner sun9i SoC USB PHY driver"
depends on ARCH_SUNXI && HAS_IOMEM && OF
depends on RESET_CONTROLLER
+ depends on USB_COMMON
select GENERIC_PHY
help
Enable this to support the transceiver that is part of Allwinner
diff --git a/drivers/phy/phy-bcm-cygnus-pcie.c b/drivers/phy/phy-bcm-cygnus-pcie.c
index 7ad72b7d2b98..082c03f6438f 100644
--- a/drivers/phy/phy-bcm-cygnus-pcie.c
+++ b/drivers/phy/phy-bcm-cygnus-pcie.c
@@ -128,6 +128,7 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
struct phy_provider *provider;
struct resource *res;
unsigned cnt = 0;
+ int ret;
if (of_get_child_count(node) == 0) {
dev_err(dev, "PHY no child node\n");
@@ -154,24 +155,28 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
if (of_property_read_u32(child, "reg", &id)) {
dev_err(dev, "missing reg property for %s\n",
child->name);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (id >= MAX_NUM_PHYS) {
dev_err(dev, "invalid PHY id: %u\n", id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (core->phys[id].phy) {
dev_err(dev, "duplicated PHY id: %u\n", id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
p = &core->phys[id];
p->phy = devm_phy_create(dev, child, &cygnus_pcie_phy_ops);
if (IS_ERR(p->phy)) {
dev_err(dev, "failed to create PHY\n");
- return PTR_ERR(p->phy);
+ ret = PTR_ERR(p->phy);
+ goto put_child;
}
p->core = core;
@@ -191,6 +196,9 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
dev_dbg(dev, "registered %u PCIe PHY(s)\n", cnt);
return 0;
+put_child:
+ of_node_put(child);
+ return ret;
}
static const struct of_device_id cygnus_pcie_phy_match_table[] = {
diff --git a/drivers/phy/phy-berlin-sata.c b/drivers/phy/phy-berlin-sata.c
index 77a2e054fdea..f84a33a1bdd9 100644
--- a/drivers/phy/phy-berlin-sata.c
+++ b/drivers/phy/phy-berlin-sata.c
@@ -195,7 +195,7 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
struct phy_provider *phy_provider;
struct phy_berlin_priv *priv;
struct resource *res;
- int i = 0;
+ int ret, i = 0;
u32 phy_id;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -237,22 +237,27 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
if (of_property_read_u32(child, "reg", &phy_id)) {
dev_err(dev, "missing reg property in node %s\n",
child->name);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (phy_id >= ARRAY_SIZE(phy_berlin_power_down_bits)) {
dev_err(dev, "invalid reg in node %s\n", child->name);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
phy_desc = devm_kzalloc(dev, sizeof(*phy_desc), GFP_KERNEL);
- if (!phy_desc)
- return -ENOMEM;
+ if (!phy_desc) {
+ ret = -ENOMEM;
+ goto put_child;
+ }
phy = devm_phy_create(dev, NULL, &phy_berlin_sata_ops);
if (IS_ERR(phy)) {
dev_err(dev, "failed to create PHY %d\n", phy_id);
- return PTR_ERR(phy);
+ ret = PTR_ERR(phy);
+ goto put_child;
}
phy_desc->phy = phy;
@@ -269,6 +274,9 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
phy_provider =
devm_of_phy_provider_register(dev, phy_berlin_sata_phy_xlate);
return PTR_ERR_OR_ZERO(phy_provider);
+put_child:
+ of_node_put(child);
+ return ret;
}
static const struct of_device_id phy_berlin_sata_of_match[] = {
diff --git a/drivers/phy/phy-brcmstb-sata.c b/drivers/phy/phy-brcmstb-sata.c
index 8a2cb16a1937..cd9dba820566 100644
--- a/drivers/phy/phy-brcmstb-sata.c
+++ b/drivers/phy/phy-brcmstb-sata.c
@@ -140,7 +140,7 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
struct brcm_sata_phy *priv;
struct resource *res;
struct phy_provider *provider;
- int count = 0;
+ int ret, count = 0;
if (of_get_child_count(dn) == 0)
return -ENODEV;
@@ -163,16 +163,19 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
if (of_property_read_u32(child, "reg", &id)) {
dev_err(dev, "missing reg property in node %s\n",
child->name);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (id >= MAX_PORTS) {
dev_err(dev, "invalid reg: %u\n", id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (priv->phys[id].phy) {
dev_err(dev, "already registered port %u\n", id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
port = &priv->phys[id];
@@ -182,7 +185,8 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
port->ssc_en = of_property_read_bool(child, "brcm,enable-ssc");
if (IS_ERR(port->phy)) {
dev_err(dev, "failed to create PHY\n");
- return PTR_ERR(port->phy);
+ ret = PTR_ERR(port->phy);
+ goto put_child;
}
phy_set_drvdata(port->phy, port);
@@ -198,6 +202,9 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
dev_info(dev, "registered %d port(s)\n", count);
return 0;
+put_child:
+ of_node_put(child);
+ return ret;
}
static struct platform_driver brcm_sata_phy_driver = {
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index fc48fac003a6..8c7f27db6ad3 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -636,8 +636,9 @@ EXPORT_SYMBOL_GPL(devm_of_phy_get);
* @np: node containing the phy
* @index: index of the phy
*
- * Gets the phy using _of_phy_get(), and associates a device with it using
- * devres. On driver detach, release function is invoked on the devres data,
+ * Gets the phy using _of_phy_get(), then gets a refcount to it,
+ * and associates a device with it using devres. On driver detach,
+ * release function is invoked on the devres data,
* then, devres data is freed.
*
*/
@@ -651,13 +652,21 @@ struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np,
return ERR_PTR(-ENOMEM);
phy = _of_phy_get(np, index);
- if (!IS_ERR(phy)) {
- *ptr = phy;
- devres_add(dev, ptr);
- } else {
+ if (IS_ERR(phy)) {
devres_free(ptr);
+ return phy;
}
+ if (!try_module_get(phy->ops->owner)) {
+ devres_free(ptr);
+ return ERR_PTR(-EPROBE_DEFER);
+ }
+
+ get_device(&phy->dev);
+
+ *ptr = phy;
+ devres_add(dev, ptr);
+
return phy;
}
EXPORT_SYMBOL_GPL(devm_of_phy_get_by_index);
diff --git a/drivers/phy/phy-miphy28lp.c b/drivers/phy/phy-miphy28lp.c
index c47b56b4a2b8..3acd2a1808df 100644
--- a/drivers/phy/phy-miphy28lp.c
+++ b/drivers/phy/phy-miphy28lp.c
@@ -1226,15 +1226,18 @@ static int miphy28lp_probe(struct platform_device *pdev)
miphy_phy = devm_kzalloc(&pdev->dev, sizeof(*miphy_phy),
GFP_KERNEL);
- if (!miphy_phy)
- return -ENOMEM;
+ if (!miphy_phy) {
+ ret = -ENOMEM;
+ goto put_child;
+ }
miphy_dev->phys[port] = miphy_phy;
phy = devm_phy_create(&pdev->dev, child, &miphy28lp_ops);
if (IS_ERR(phy)) {
dev_err(&pdev->dev, "failed to create PHY\n");
- return PTR_ERR(phy);
+ ret = PTR_ERR(phy);
+ goto put_child;
}
miphy_dev->phys[port]->phy = phy;
@@ -1242,11 +1245,11 @@ static int miphy28lp_probe(struct platform_device *pdev)
ret = miphy28lp_of_probe(child, miphy_phy);
if (ret)
- return ret;
+ goto put_child;
ret = miphy28lp_probe_resets(child, miphy_dev->phys[port]);
if (ret)
- return ret;
+ goto put_child;
phy_set_drvdata(phy, miphy_dev->phys[port]);
port++;
@@ -1255,6 +1258,9 @@ static int miphy28lp_probe(struct platform_device *pdev)
provider = devm_of_phy_provider_register(&pdev->dev, miphy28lp_xlate);
return PTR_ERR_OR_ZERO(provider);
+put_child:
+ of_node_put(child);
+ return ret;
}
static const struct of_device_id miphy28lp_of_match[] = {
diff --git a/drivers/phy/phy-miphy365x.c b/drivers/phy/phy-miphy365x.c
index 00a686a073ed..e661f3b36eaa 100644
--- a/drivers/phy/phy-miphy365x.c
+++ b/drivers/phy/phy-miphy365x.c
@@ -566,22 +566,25 @@ static int miphy365x_probe(struct platform_device *pdev)
miphy_phy = devm_kzalloc(&pdev->dev, sizeof(*miphy_phy),
GFP_KERNEL);
- if (!miphy_phy)
- return -ENOMEM;
+ if (!miphy_phy) {
+ ret = -ENOMEM;
+ goto put_child;
+ }
miphy_dev->phys[port] = miphy_phy;
phy = devm_phy_create(&pdev->dev, child, &miphy365x_ops);
if (IS_ERR(phy)) {
dev_err(&pdev->dev, "failed to create PHY\n");
- return PTR_ERR(phy);
+ ret = PTR_ERR(phy);
+ goto put_child;
}
miphy_dev->phys[port]->phy = phy;
ret = miphy365x_of_probe(child, miphy_phy);
if (ret)
- return ret;
+ goto put_child;
phy_set_drvdata(phy, miphy_dev->phys[port]);
@@ -591,12 +594,15 @@ static int miphy365x_probe(struct platform_device *pdev)
&miphy_phy->ctrlreg);
if (ret) {
dev_err(&pdev->dev, "No sysconfig offset found\n");
- return ret;
+ goto put_child;
}
}
provider = devm_of_phy_provider_register(&pdev->dev, miphy365x_xlate);
return PTR_ERR_OR_ZERO(provider);
+put_child:
+ of_node_put(child);
+ return ret;
}
static const struct of_device_id miphy365x_of_match[] = {
diff --git a/drivers/phy/phy-mt65xx-usb3.c b/drivers/phy/phy-mt65xx-usb3.c
index f30b28bd41fe..e427c3b788ff 100644
--- a/drivers/phy/phy-mt65xx-usb3.c
+++ b/drivers/phy/phy-mt65xx-usb3.c
@@ -415,7 +415,7 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev)
struct resource *sif_res;
struct mt65xx_u3phy *u3phy;
struct resource res;
- int port;
+ int port, retval;
u3phy = devm_kzalloc(dev, sizeof(*u3phy), GFP_KERNEL);
if (!u3phy)
@@ -447,31 +447,34 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev)
for_each_child_of_node(np, child_np) {
struct mt65xx_phy_instance *instance;
struct phy *phy;
- int retval;
instance = devm_kzalloc(dev, sizeof(*instance), GFP_KERNEL);
- if (!instance)
- return -ENOMEM;
+ if (!instance) {
+ retval = -ENOMEM;
+ goto put_child;
+ }
u3phy->phys[port] = instance;
phy = devm_phy_create(dev, child_np, &mt65xx_u3phy_ops);
if (IS_ERR(phy)) {
dev_err(dev, "failed to create phy\n");
- return PTR_ERR(phy);
+ retval = PTR_ERR(phy);
+ goto put_child;
}
retval = of_address_to_resource(child_np, 0, &res);
if (retval) {
dev_err(dev, "failed to get address resource(id-%d)\n",
port);
- return retval;
+ goto put_child;
}
instance->port_base = devm_ioremap_resource(&phy->dev, &res);
if (IS_ERR(instance->port_base)) {
dev_err(dev, "failed to remap phy regs\n");
- return PTR_ERR(instance->port_base);
+ retval = PTR_ERR(instance->port_base);
+ goto put_child;
}
instance->phy = phy;
@@ -483,6 +486,9 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev)
provider = devm_of_phy_provider_register(dev, mt65xx_phy_xlate);
return PTR_ERR_OR_ZERO(provider);
+put_child:
+ of_node_put(child_np);
+ return retval;
}
static const struct of_device_id mt65xx_u3phy_id_table[] = {
diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 91d6f342c565..62c43c435194 100644
--- a/drivers/phy/phy-rockchip-usb.c
+++ b/drivers/phy/phy-rockchip-usb.c
@@ -108,13 +108,16 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
for_each_available_child_of_node(dev->of_node, child) {
rk_phy = devm_kzalloc(dev, sizeof(*rk_phy), GFP_KERNEL);
- if (!rk_phy)
- return -ENOMEM;
+ if (!rk_phy) {
+ err = -ENOMEM;
+ goto put_child;
+ }
if (of_property_read_u32(child, "reg", &reg_offset)) {
dev_err(dev, "missing reg property in node %s\n",
child->name);
- return -EINVAL;
+ err = -EINVAL;
+ goto put_child;
}
rk_phy->reg_offset = reg_offset;
@@ -127,18 +130,22 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
rk_phy->phy = devm_phy_create(dev, child, &ops);
if (IS_ERR(rk_phy->phy)) {
dev_err(dev, "failed to create PHY\n");
- return PTR_ERR(rk_phy->phy);
+ err = PTR_ERR(rk_phy->phy);
+ goto put_child;
}
phy_set_drvdata(rk_phy->phy, rk_phy);
/* only power up usb phy when it use, so disable it when init*/
err = rockchip_usb_phy_power(rk_phy, 1);
if (err)
- return err;
+ goto put_child;
}
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
return PTR_ERR_OR_ZERO(phy_provider);
+put_child:
+ of_node_put(child);
+ return err;
}
static const struct of_device_id rockchip_usb_phy_dt_ids[] = {
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index a1ea565fcd46..2e6ca69635aa 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -342,12 +342,6 @@ static int bcm2835_gpio_get(struct gpio_chip *chip, unsigned offset)
return bcm2835_gpio_get_bit(pc, GPLEV0, offset);
}
-static int bcm2835_gpio_direction_output(struct gpio_chip *chip,
- unsigned offset, int value)
-{
- return pinctrl_gpio_direction_output(chip->base + offset);
-}
-
static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->dev);
@@ -355,6 +349,13 @@ static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
bcm2835_gpio_set_bit(pc, value ? GPSET0 : GPCLR0, offset);
}
+static int bcm2835_gpio_direction_output(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ bcm2835_gpio_set(chip, offset, value);
+ return pinctrl_gpio_direction_output(chip->base + offset);
+}
+
static int bcm2835_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->dev);
diff --git a/drivers/pinctrl/freescale/pinctrl-vf610.c b/drivers/pinctrl/freescale/pinctrl-vf610.c
index 37a037543d29..587d1ff6210e 100644
--- a/drivers/pinctrl/freescale/pinctrl-vf610.c
+++ b/drivers/pinctrl/freescale/pinctrl-vf610.c
@@ -299,7 +299,7 @@ static const struct pinctrl_pin_desc vf610_pinctrl_pads[] = {
static struct imx_pinctrl_soc_info vf610_pinctrl_info = {
.pins = vf610_pinctrl_pads,
.npins = ARRAY_SIZE(vf610_pinctrl_pads),
- .flags = SHARE_MUX_CONF_REG,
+ .flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID,
};
static const struct of_device_id vf610_pinctrl_of_match[] = {
diff --git a/drivers/pinctrl/intel/pinctrl-broxton.c b/drivers/pinctrl/intel/pinctrl-broxton.c
index e42d5d4183f5..5979d38c46b2 100644
--- a/drivers/pinctrl/intel/pinctrl-broxton.c
+++ b/drivers/pinctrl/intel/pinctrl-broxton.c
@@ -28,6 +28,7 @@
.padcfglock_offset = BXT_PADCFGLOCK, \
.hostown_offset = BXT_HOSTSW_OWN, \
.ie_offset = BXT_GPI_IE, \
+ .gpp_size = 32, \
.pin_base = (s), \
.npins = ((e) - (s) + 1), \
}
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index 392e28d3f48d..26f6b6ffea5b 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -25,9 +25,6 @@
#include "pinctrl-intel.h"
-/* Maximum number of pads in each group */
-#define NPADS_IN_GPP 24
-
/* Offset from regs */
#define PADBAR 0x00c
#define GPI_IS 0x100
@@ -37,6 +34,7 @@
#define PADOWN_BITS 4
#define PADOWN_SHIFT(p) ((p) % 8 * PADOWN_BITS)
#define PADOWN_MASK(p) (0xf << PADOWN_SHIFT(p))
+#define PADOWN_GPP(p) ((p) / 8)
/* Offset from pad_regs */
#define PADCFG0 0x000
@@ -142,7 +140,7 @@ static void __iomem *intel_get_padcfg(struct intel_pinctrl *pctrl, unsigned pin,
static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned pin)
{
const struct intel_community *community;
- unsigned padno, gpp, gpp_offset, offset;
+ unsigned padno, gpp, offset, group;
void __iomem *padown;
community = intel_get_community(pctrl, pin);
@@ -152,9 +150,9 @@ static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned pin)
return true;
padno = pin_to_padno(community, pin);
- gpp = padno / NPADS_IN_GPP;
- gpp_offset = padno % NPADS_IN_GPP;
- offset = community->padown_offset + gpp * 16 + (gpp_offset / 8) * 4;
+ group = padno / community->gpp_size;
+ gpp = PADOWN_GPP(padno % community->gpp_size);
+ offset = community->padown_offset + 0x10 * group + gpp * 4;
padown = community->regs + offset;
return !(readl(padown) & PADOWN_MASK(padno));
@@ -173,11 +171,11 @@ static bool intel_pad_acpi_mode(struct intel_pinctrl *pctrl, unsigned pin)
return false;
padno = pin_to_padno(community, pin);
- gpp = padno / NPADS_IN_GPP;
+ gpp = padno / community->gpp_size;
offset = community->hostown_offset + gpp * 4;
hostown = community->regs + offset;
- return !(readl(hostown) & BIT(padno % NPADS_IN_GPP));
+ return !(readl(hostown) & BIT(padno % community->gpp_size));
}
static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin)
@@ -193,7 +191,7 @@ static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin)
return false;
padno = pin_to_padno(community, pin);
- gpp = padno / NPADS_IN_GPP;
+ gpp = padno / community->gpp_size;
/*
* If PADCFGLOCK and PADCFGLOCKTX bits are both clear for this pad,
@@ -202,12 +200,12 @@ static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin)
*/
offset = community->padcfglock_offset + gpp * 8;
value = readl(community->regs + offset);
- if (value & BIT(pin % NPADS_IN_GPP))
+ if (value & BIT(pin % community->gpp_size))
return true;
offset = community->padcfglock_offset + 4 + gpp * 8;
value = readl(community->regs + offset);
- if (value & BIT(pin % NPADS_IN_GPP))
+ if (value & BIT(pin % community->gpp_size))
return true;
return false;
@@ -663,8 +661,8 @@ static void intel_gpio_irq_ack(struct irq_data *d)
community = intel_get_community(pctrl, pin);
if (community) {
unsigned padno = pin_to_padno(community, pin);
- unsigned gpp_offset = padno % NPADS_IN_GPP;
- unsigned gpp = padno / NPADS_IN_GPP;
+ unsigned gpp_offset = padno % community->gpp_size;
+ unsigned gpp = padno / community->gpp_size;
writel(BIT(gpp_offset), community->regs + GPI_IS + gpp * 4);
}
@@ -685,8 +683,8 @@ static void intel_gpio_irq_mask_unmask(struct irq_data *d, bool mask)
community = intel_get_community(pctrl, pin);
if (community) {
unsigned padno = pin_to_padno(community, pin);
- unsigned gpp_offset = padno % NPADS_IN_GPP;
- unsigned gpp = padno / NPADS_IN_GPP;
+ unsigned gpp_offset = padno % community->gpp_size;
+ unsigned gpp = padno / community->gpp_size;
void __iomem *reg;
u32 value;
@@ -780,8 +778,8 @@ static int intel_gpio_irq_wake(struct irq_data *d, unsigned int on)
return -EINVAL;
padno = pin_to_padno(community, pin);
- gpp = padno / NPADS_IN_GPP;
- gpp_offset = padno % NPADS_IN_GPP;
+ gpp = padno / community->gpp_size;
+ gpp_offset = padno % community->gpp_size;
/* Clear the existing wake status */
writel(BIT(gpp_offset), community->regs + GPI_GPE_STS + gpp * 4);
@@ -819,14 +817,14 @@ static irqreturn_t intel_gpio_community_irq_handler(struct intel_pinctrl *pctrl,
/* Only interrupts that are enabled */
pending &= enabled;
- for_each_set_bit(gpp_offset, &pending, NPADS_IN_GPP) {
+ for_each_set_bit(gpp_offset, &pending, community->gpp_size) {
unsigned padno, irq;
/*
* The last group in community can have less pins
* than NPADS_IN_GPP.
*/
- padno = gpp_offset + gpp * NPADS_IN_GPP;
+ padno = gpp_offset + gpp * community->gpp_size;
if (padno >= community->npins)
break;
@@ -1002,7 +1000,8 @@ int intel_pinctrl_probe(struct platform_device *pdev,
community->regs = regs;
community->pad_regs = regs + padbar;
- community->ngpps = DIV_ROUND_UP(community->npins, NPADS_IN_GPP);
+ community->ngpps = DIV_ROUND_UP(community->npins,
+ community->gpp_size);
}
irq = platform_get_irq(pdev, 0);
diff --git a/drivers/pinctrl/intel/pinctrl-intel.h b/drivers/pinctrl/intel/pinctrl-intel.h
index 4ec8b572a288..b60215793017 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.h
+++ b/drivers/pinctrl/intel/pinctrl-intel.h
@@ -55,6 +55,8 @@ struct intel_function {
* ACPI).
* @ie_offset: Register offset of GPI_IE from @regs.
* @pin_base: Starting pin of pins in this community
+ * @gpp_size: Maximum number of pads in each group, such as PADCFGLOCK,
+ * HOSTSW_OWN, GPI_IS, GPI_IE, etc.
* @npins: Number of pins in this community
* @regs: Community specific common registers (reserved for core driver)
* @pad_regs: Community specific pad registers (reserved for core driver)
@@ -68,6 +70,7 @@ struct intel_community {
unsigned hostown_offset;
unsigned ie_offset;
unsigned pin_base;
+ unsigned gpp_size;
size_t npins;
void __iomem *regs;
void __iomem *pad_regs;
diff --git a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
index 1de9ae5010db..c725a5313b4e 100644
--- a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
+++ b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
@@ -30,6 +30,7 @@
.padcfglock_offset = SPT_PADCFGLOCK, \
.hostown_offset = SPT_HOSTSW_OWN, \
.ie_offset = SPT_GPI_IE, \
+ .gpp_size = 24, \
.pin_base = (s), \
.npins = ((e) - (s) + 1), \
}
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index cc97f0869791..48747c28a43d 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -1341,10 +1341,13 @@ static int rapl_detect_domains(struct rapl_package *rp, int cpu)
for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) {
/* check if the domain is locked by BIOS */
- if (rapl_read_data_raw(rd, FW_LOCK, false, &locked)) {
+ ret = rapl_read_data_raw(rd, FW_LOCK, false, &locked);
+ if (ret)
+ return ret;
+ if (locked) {
pr_info("RAPL package %d domain %s locked by BIOS\n",
rp->id, rd->name);
- rd->state |= DOMAIN_STATE_BIOS_LOCKED;
+ rd->state |= DOMAIN_STATE_BIOS_LOCKED;
}
}
diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c
index 284b587da65c..d6c853bbfa9f 100644
--- a/drivers/rtc/rtc-da9063.c
+++ b/drivers/rtc/rtc-da9063.c
@@ -483,24 +483,23 @@ static int da9063_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtc);
+ rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, DA9063_DRVNAME_RTC,
+ &da9063_rtc_ops, THIS_MODULE);
+ if (IS_ERR(rtc->rtc_dev))
+ return PTR_ERR(rtc->rtc_dev);
+
+ da9063_data_to_tm(data, &rtc->alarm_time, rtc);
+ rtc->rtc_sync = false;
+
irq_alarm = platform_get_irq_byname(pdev, "ALARM");
ret = devm_request_threaded_irq(&pdev->dev, irq_alarm, NULL,
da9063_alarm_event,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"ALARM", rtc);
- if (ret) {
+ if (ret)
dev_err(&pdev->dev, "Failed to request ALARM IRQ %d: %d\n",
irq_alarm, ret);
- return ret;
- }
-
- rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, DA9063_DRVNAME_RTC,
- &da9063_rtc_ops, THIS_MODULE);
- if (IS_ERR(rtc->rtc_dev))
- return PTR_ERR(rtc->rtc_dev);
- da9063_data_to_tm(data, &rtc->alarm_time, rtc);
- rtc->rtc_sync = false;
return ret;
}
diff --git a/drivers/rtc/rtc-rk808.c b/drivers/rtc/rtc-rk808.c
index 91ca0bc1b484..35c9aada07c8 100644
--- a/drivers/rtc/rtc-rk808.c
+++ b/drivers/rtc/rtc-rk808.c
@@ -56,6 +56,42 @@ struct rk808_rtc {
int irq;
};
+/*
+ * The Rockchip calendar used by the RK808 counts November with 31 days. We use
+ * these translation functions to convert its dates to/from the Gregorian
+ * calendar used by the rest of the world. We arbitrarily define Jan 1st, 2016
+ * as the day when both calendars were in sync, and treat all other dates
+ * relative to that.
+ * NOTE: Other system software (e.g. firmware) that reads the same hardware must
+ * implement this exact same conversion algorithm, with the same anchor date.
+ */
+static time64_t nov2dec_transitions(struct rtc_time *tm)
+{
+ return (tm->tm_year + 1900) - 2016 + (tm->tm_mon + 1 > 11 ? 1 : 0);
+}
+
+static void rockchip_to_gregorian(struct rtc_time *tm)
+{
+ /* If it's Nov 31st, rtc_tm_to_time64() will count that like Dec 1st */
+ time64_t time = rtc_tm_to_time64(tm);
+ rtc_time64_to_tm(time + nov2dec_transitions(tm) * 86400, tm);
+}
+
+static void gregorian_to_rockchip(struct rtc_time *tm)
+{
+ time64_t extra_days = nov2dec_transitions(tm);
+ time64_t time = rtc_tm_to_time64(tm);
+ rtc_time64_to_tm(time - extra_days * 86400, tm);
+
+ /* Compensate if we went back over Nov 31st (will work up to 2381) */
+ if (nov2dec_transitions(tm) < extra_days) {
+ if (tm->tm_mon + 1 == 11)
+ tm->tm_mday++; /* This may result in 31! */
+ else
+ rtc_time64_to_tm(time - (extra_days - 1) * 86400, tm);
+ }
+}
+
/* Read current time and date in RTC */
static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm)
{
@@ -101,9 +137,10 @@ static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm)
tm->tm_mon = (bcd2bin(rtc_data[4] & MONTHS_REG_MSK)) - 1;
tm->tm_year = (bcd2bin(rtc_data[5] & YEARS_REG_MSK)) + 100;
tm->tm_wday = bcd2bin(rtc_data[6] & WEEKS_REG_MSK);
+ rockchip_to_gregorian(tm);
dev_dbg(dev, "RTC date/time %4d-%02d-%02d(%d) %02d:%02d:%02d\n",
1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
- tm->tm_wday, tm->tm_hour , tm->tm_min, tm->tm_sec);
+ tm->tm_wday, tm->tm_hour, tm->tm_min, tm->tm_sec);
return ret;
}
@@ -116,6 +153,10 @@ static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm)
u8 rtc_data[NUM_TIME_REGS];
int ret;
+ dev_dbg(dev, "set RTC date/time %4d-%02d-%02d(%d) %02d:%02d:%02d\n",
+ 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
+ tm->tm_wday, tm->tm_hour, tm->tm_min, tm->tm_sec);
+ gregorian_to_rockchip(tm);
rtc_data[0] = bin2bcd(tm->tm_sec);
rtc_data[1] = bin2bcd(tm->tm_min);
rtc_data[2] = bin2bcd(tm->tm_hour);
@@ -123,9 +164,6 @@ static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm)
rtc_data[4] = bin2bcd(tm->tm_mon + 1);
rtc_data[5] = bin2bcd(tm->tm_year - 100);
rtc_data[6] = bin2bcd(tm->tm_wday);
- dev_dbg(dev, "set RTC date/time %4d-%02d-%02d(%d) %02d:%02d:%02d\n",
- 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
- tm->tm_wday, tm->tm_hour , tm->tm_min, tm->tm_sec);
/* Stop RTC while updating the RTC registers */
ret = regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
@@ -170,6 +208,7 @@ static int rk808_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
alrm->time.tm_mday = bcd2bin(alrm_data[3] & DAYS_REG_MSK);
alrm->time.tm_mon = (bcd2bin(alrm_data[4] & MONTHS_REG_MSK)) - 1;
alrm->time.tm_year = (bcd2bin(alrm_data[5] & YEARS_REG_MSK)) + 100;
+ rockchip_to_gregorian(&alrm->time);
ret = regmap_read(rk808->regmap, RK808_RTC_INT_REG, &int_reg);
if (ret) {
@@ -227,6 +266,7 @@ static int rk808_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
alrm->time.tm_mday, alrm->time.tm_wday, alrm->time.tm_hour,
alrm->time.tm_min, alrm->time.tm_sec);
+ gregorian_to_rockchip(&alrm->time);
alrm_data[0] = bin2bcd(alrm->time.tm_sec);
alrm_data[1] = bin2bcd(alrm->time.tm_min);
alrm_data[2] = bin2bcd(alrm->time.tm_hour);
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 61f768518a34..24ec282e15d8 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -599,8 +599,10 @@ static enum ap_wait ap_sm_read(struct ap_device *ap_dev)
status = ap_sm_recv(ap_dev);
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
- if (ap_dev->queue_count > 0)
+ if (ap_dev->queue_count > 0) {
+ ap_dev->state = AP_STATE_WORKING;
return AP_WAIT_AGAIN;
+ }
ap_dev->state = AP_STATE_IDLE;
return AP_WAIT_NONE;
case AP_RESPONSE_NO_PENDING_REPLY:
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index b2a1a81e6fc8..1b831598df7c 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -984,6 +984,36 @@ static struct virtqueue *virtio_ccw_vq_by_ind(struct virtio_ccw_device *vcdev,
return vq;
}
+static void virtio_ccw_check_activity(struct virtio_ccw_device *vcdev,
+ __u32 activity)
+{
+ if (vcdev->curr_io & activity) {
+ switch (activity) {
+ case VIRTIO_CCW_DOING_READ_FEAT:
+ case VIRTIO_CCW_DOING_WRITE_FEAT:
+ case VIRTIO_CCW_DOING_READ_CONFIG:
+ case VIRTIO_CCW_DOING_WRITE_CONFIG:
+ case VIRTIO_CCW_DOING_WRITE_STATUS:
+ case VIRTIO_CCW_DOING_SET_VQ:
+ case VIRTIO_CCW_DOING_SET_IND:
+ case VIRTIO_CCW_DOING_SET_CONF_IND:
+ case VIRTIO_CCW_DOING_RESET:
+ case VIRTIO_CCW_DOING_READ_VQ_CONF:
+ case VIRTIO_CCW_DOING_SET_IND_ADAPTER:
+ case VIRTIO_CCW_DOING_SET_VIRTIO_REV:
+ vcdev->curr_io &= ~activity;
+ wake_up(&vcdev->wait_q);
+ break;
+ default:
+ /* don't know what to do... */
+ dev_warn(&vcdev->cdev->dev,
+ "Suspicious activity '%08x'\n", activity);
+ WARN_ON(1);
+ break;
+ }
+ }
+}
+
static void virtio_ccw_int_handler(struct ccw_device *cdev,
unsigned long intparm,
struct irb *irb)
@@ -995,6 +1025,12 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev,
if (!vcdev)
return;
+ if (IS_ERR(irb)) {
+ vcdev->err = PTR_ERR(irb);
+ virtio_ccw_check_activity(vcdev, activity);
+ /* Don't poke around indicators, something's wrong. */
+ return;
+ }
/* Check if it's a notification from the host. */
if ((intparm == 0) &&
(scsw_stctl(&irb->scsw) ==
@@ -1010,31 +1046,7 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev,
/* Map everything else to -EIO. */
vcdev->err = -EIO;
}
- if (vcdev->curr_io & activity) {
- switch (activity) {
- case VIRTIO_CCW_DOING_READ_FEAT:
- case VIRTIO_CCW_DOING_WRITE_FEAT:
- case VIRTIO_CCW_DOING_READ_CONFIG:
- case VIRTIO_CCW_DOING_WRITE_CONFIG:
- case VIRTIO_CCW_DOING_WRITE_STATUS:
- case VIRTIO_CCW_DOING_SET_VQ:
- case VIRTIO_CCW_DOING_SET_IND:
- case VIRTIO_CCW_DOING_SET_CONF_IND:
- case VIRTIO_CCW_DOING_RESET:
- case VIRTIO_CCW_DOING_READ_VQ_CONF:
- case VIRTIO_CCW_DOING_SET_IND_ADAPTER:
- case VIRTIO_CCW_DOING_SET_VIRTIO_REV:
- vcdev->curr_io &= ~activity;
- wake_up(&vcdev->wait_q);
- break;
- default:
- /* don't know what to do... */
- dev_warn(&cdev->dev, "Suspicious activity '%08x'\n",
- activity);
- WARN_ON(1);
- break;
- }
- }
+ virtio_ccw_check_activity(vcdev, activity);
for_each_set_bit(i, &vcdev->indicators,
sizeof(vcdev->indicators) * BITS_PER_BYTE) {
/* The bit clear must happen before the vring kick. */
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index e4b799837948..459abe1dcc87 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -219,13 +219,13 @@ static int sdev_runtime_suspend(struct device *dev)
struct scsi_device *sdev = to_scsi_device(dev);
int err = 0;
- if (pm && pm->runtime_suspend) {
- err = blk_pre_runtime_suspend(sdev->request_queue);
- if (err)
- return err;
+ err = blk_pre_runtime_suspend(sdev->request_queue);
+ if (err)
+ return err;
+ if (pm && pm->runtime_suspend)
err = pm->runtime_suspend(dev);
- blk_post_runtime_suspend(sdev->request_queue, err);
- }
+ blk_post_runtime_suspend(sdev->request_queue, err);
+
return err;
}
@@ -248,11 +248,11 @@ static int sdev_runtime_resume(struct device *dev)
const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
int err = 0;
- if (pm && pm->runtime_resume) {
- blk_pre_runtime_resume(sdev->request_queue);
+ blk_pre_runtime_resume(sdev->request_queue);
+ if (pm && pm->runtime_resume)
err = pm->runtime_resume(dev);
- blk_post_runtime_resume(sdev->request_queue, err);
- }
+ blk_post_runtime_resume(sdev->request_queue, err);
+
return err;
}
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3d22fc3e3c1a..4e08d1cd704d 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2885,10 +2885,13 @@ static int sd_revalidate_disk(struct gendisk *disk)
/*
* Use the device's preferred I/O size for reads and writes
- * unless the reported value is unreasonably large (or garbage).
+ * unless the reported value is unreasonably small, large, or
+ * garbage.
*/
- if (sdkp->opt_xfer_blocks && sdkp->opt_xfer_blocks <= dev_max &&
- sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS)
+ if (sdkp->opt_xfer_blocks &&
+ sdkp->opt_xfer_blocks <= dev_max &&
+ sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS &&
+ sdkp->opt_xfer_blocks * sdp->sector_size >= PAGE_CACHE_SIZE)
rw_max = q->limits.io_opt =
logical_to_sectors(sdp, sdkp->opt_xfer_blocks);
else
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index dcb0d76d7312..044d06410d4c 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -84,6 +84,7 @@ static void init_device_slot_control(unsigned char *dest_desc,
static int ses_recv_diag(struct scsi_device *sdev, int page_code,
void *buf, int bufflen)
{
+ int ret;
unsigned char cmd[] = {
RECEIVE_DIAGNOSTIC,
1, /* Set PCV bit */
@@ -92,9 +93,26 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
bufflen & 0xff,
0
};
+ unsigned char recv_page_code;
- return scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
+ ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
NULL, SES_TIMEOUT, SES_RETRIES, NULL);
+ if (unlikely(!ret))
+ return ret;
+
+ recv_page_code = ((unsigned char *)buf)[0];
+
+ if (likely(recv_page_code == page_code))
+ return ret;
+
+ /* successful diagnostic but wrong page code. This happens to some
+ * USB devices, just print a message and pretend there was an error */
+
+ sdev_printk(KERN_ERR, sdev,
+ "Wrong diagnostic page; asked for %d got %u\n",
+ page_code, recv_page_code);
+
+ return -EINVAL;
}
static int ses_send_diag(struct scsi_device *sdev, int page_code,
@@ -541,7 +559,15 @@ static void ses_enclosure_data_process(struct enclosure_device *edev,
if (desc_ptr)
desc_ptr += len;
- if (addl_desc_ptr)
+ if (addl_desc_ptr &&
+ /* only find additional descriptions for specific devices */
+ (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_SAS_EXPANDER ||
+ /* these elements are optional */
+ type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_TARGET_PORT ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS))
addl_desc_ptr += addl_desc_ptr[1] + 2;
}
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 59a11437db70..39412c9097c6 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -167,7 +167,7 @@ static inline int is_double_byte_mode(struct fsl_dspi *dspi)
{
unsigned int val;
- regmap_read(dspi->regmap, SPI_CTAR(dspi->cs), &val);
+ regmap_read(dspi->regmap, SPI_CTAR(0), &val);
return ((val & SPI_FRAME_BITS_MASK) == SPI_FRAME_BITS(8)) ? 0 : 1;
}
@@ -257,7 +257,7 @@ static u32 dspi_data_to_pushr(struct fsl_dspi *dspi, int tx_word)
return SPI_PUSHR_TXDATA(d16) |
SPI_PUSHR_PCS(dspi->cs) |
- SPI_PUSHR_CTAS(dspi->cs) |
+ SPI_PUSHR_CTAS(0) |
SPI_PUSHR_CONT;
}
@@ -290,7 +290,7 @@ static int dspi_eoq_write(struct fsl_dspi *dspi)
*/
if (tx_word && (dspi->len == 1)) {
dspi->dataflags |= TRAN_STATE_WORD_ODD_NUM;
- regmap_update_bits(dspi->regmap, SPI_CTAR(dspi->cs),
+ regmap_update_bits(dspi->regmap, SPI_CTAR(0),
SPI_FRAME_BITS_MASK, SPI_FRAME_BITS(8));
tx_word = 0;
}
@@ -339,7 +339,7 @@ static int dspi_tcfq_write(struct fsl_dspi *dspi)
if (tx_word && (dspi->len == 1)) {
dspi->dataflags |= TRAN_STATE_WORD_ODD_NUM;
- regmap_update_bits(dspi->regmap, SPI_CTAR(dspi->cs),
+ regmap_update_bits(dspi->regmap, SPI_CTAR(0),
SPI_FRAME_BITS_MASK, SPI_FRAME_BITS(8));
tx_word = 0;
}
@@ -407,7 +407,7 @@ static int dspi_transfer_one_message(struct spi_master *master,
regmap_update_bits(dspi->regmap, SPI_MCR,
SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF,
SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF);
- regmap_write(dspi->regmap, SPI_CTAR(dspi->cs),
+ regmap_write(dspi->regmap, SPI_CTAR(0),
dspi->cur_chip->ctar_val);
trans_mode = dspi->devtype_data->trans_mode;
@@ -566,7 +566,7 @@ static irqreturn_t dspi_interrupt(int irq, void *dev_id)
if (!dspi->len) {
if (dspi->dataflags & TRAN_STATE_WORD_ODD_NUM) {
regmap_update_bits(dspi->regmap,
- SPI_CTAR(dspi->cs),
+ SPI_CTAR(0),
SPI_FRAME_BITS_MASK,
SPI_FRAME_BITS(16));
dspi->dataflags &= ~TRAN_STATE_WORD_ODD_NUM;
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 2b0a8ec3affb..dee1cb87d24f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1705,7 +1705,7 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
master->bus_num = -1;
master->num_chipselect = 1;
master->dev.class = &spi_master_class;
- master->dev.parent = get_device(dev);
+ master->dev.parent = dev;
spi_master_set_devdata(master, &master[1]);
return master;
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 91a0fcd72423..d0e7dfc647cf 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -651,11 +651,11 @@ static int spidev_release(struct inode *inode, struct file *filp)
kfree(spidev->rx_buffer);
spidev->rx_buffer = NULL;
+ spin_lock_irq(&spidev->spi_lock);
if (spidev->spi)
spidev->speed_hz = spidev->spi->max_speed_hz;
/* ... after we unbound from the underlying device? */
- spin_lock_irq(&spidev->spi_lock);
dofree = (spidev->spi == NULL);
spin_unlock_irq(&spidev->spi_lock);
diff --git a/drivers/staging/android/ion/ion_chunk_heap.c b/drivers/staging/android/ion/ion_chunk_heap.c
index 195c41d7bd53..0813163f962f 100644
--- a/drivers/staging/android/ion/ion_chunk_heap.c
+++ b/drivers/staging/android/ion/ion_chunk_heap.c
@@ -81,7 +81,7 @@ static int ion_chunk_heap_allocate(struct ion_heap *heap,
err:
sg = table->sgl;
for (i -= 1; i >= 0; i--) {
- gen_pool_free(chunk_heap->pool, sg_phys(sg) & PAGE_MASK,
+ gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)),
sg->length);
sg = sg_next(sg);
}
@@ -109,7 +109,7 @@ static void ion_chunk_heap_free(struct ion_buffer *buffer)
DMA_BIDIRECTIONAL);
for_each_sg(table->sgl, sg, table->nents, i) {
- gen_pool_free(chunk_heap->pool, sg_phys(sg) & PAGE_MASK,
+ gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)),
sg->length);
}
chunk_heap->allocated -= allocated_size;
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index ed776149261e..e49c2bce551d 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2054,13 +2054,13 @@ static int canon_copy_from_read_buf(struct tty_struct *tty,
size_t eol;
size_t tail;
int ret, found = 0;
- bool eof_push = 0;
/* N.B. avoid overrun if nr == 0 */
- n = min(*nr, smp_load_acquire(&ldata->canon_head) - ldata->read_tail);
- if (!n)
+ if (!*nr)
return 0;
+ n = min(*nr + 1, smp_load_acquire(&ldata->canon_head) - ldata->read_tail);
+
tail = ldata->read_tail & (N_TTY_BUF_SIZE - 1);
size = min_t(size_t, tail + n, N_TTY_BUF_SIZE);
@@ -2081,12 +2081,11 @@ static int canon_copy_from_read_buf(struct tty_struct *tty,
n = eol - tail;
if (n > N_TTY_BUF_SIZE)
n += N_TTY_BUF_SIZE;
- n += found;
- c = n;
+ c = n + found;
- if (found && !ldata->push && read_buf(ldata, eol) == __DISABLED_CHAR) {
- n--;
- eof_push = !n && ldata->read_tail != ldata->line_start;
+ if (!found || read_buf(ldata, eol) != __DISABLED_CHAR) {
+ c = min(*nr, c);
+ n = c;
}
n_tty_trace("%s: eol:%zu found:%d n:%zu c:%zu size:%zu more:%zu\n",
@@ -2116,7 +2115,7 @@ static int canon_copy_from_read_buf(struct tty_struct *tty,
ldata->push = 0;
tty_audit_push(tty);
}
- return eof_push ? -EAGAIN : 0;
+ return 0;
}
extern ssize_t redirected_tty_write(struct file *, const char __user *,
@@ -2273,10 +2272,7 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
if (ldata->icanon && !L_EXTPROC(tty)) {
retval = canon_copy_from_read_buf(tty, &b, &nr);
- if (retval == -EAGAIN) {
- retval = 0;
- continue;
- } else if (retval)
+ if (retval)
break;
} else {
int uncopied;
diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c
index d11621e2cf1d..245edbb68d4b 100644
--- a/drivers/tty/serial/8250/8250_uniphier.c
+++ b/drivers/tty/serial/8250/8250_uniphier.c
@@ -115,12 +115,16 @@ static void uniphier_serial_out(struct uart_port *p, int offset, int value)
*/
static int uniphier_serial_dl_read(struct uart_8250_port *up)
{
- return readl(up->port.membase + UNIPHIER_UART_DLR);
+ int offset = UNIPHIER_UART_DLR << up->port.regshift;
+
+ return readl(up->port.membase + offset);
}
static void uniphier_serial_dl_write(struct uart_8250_port *up, int value)
{
- writel(value, up->port.membase + UNIPHIER_UART_DLR);
+ int offset = UNIPHIER_UART_DLR << up->port.regshift;
+
+ writel(value, up->port.membase + offset);
}
static int uniphier_of_serial_setup(struct device *dev, struct uart_port *port,
diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index f09636083426..b5b2f2be6be7 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -115,6 +115,7 @@ static int __init register_earlycon(char *buf, const struct earlycon_id *match)
if (buf && !parse_options(&early_console_dev, buf))
buf = NULL;
+ spin_lock_init(&port->lock);
port->uartclk = BASE_BAUD * 16;
if (port->mapbase)
port->membase = earlycon_map(port->mapbase, 64);
@@ -202,6 +203,7 @@ int __init of_setup_earlycon(unsigned long addr,
int err;
struct uart_port *port = &early_console_dev.port;
+ spin_lock_init(&port->lock);
port->iotype = UPIO_MEM;
port->mapbase = addr;
port->uartclk = BASE_BAUD * 16;
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 960e50a97558..51c7507b0444 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1437,7 +1437,7 @@ static void sci_request_dma(struct uart_port *port)
sg_init_table(sg, 1);
s->rx_buf[i] = buf;
sg_dma_address(sg) = dma;
- sg->length = s->buf_len_rx;
+ sg_dma_len(sg) = s->buf_len_rx;
buf += s->buf_len_rx;
dma += s->buf_len_rx;
diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c
index 064031870ba0..ca0d3802f2af 100644
--- a/drivers/tty/serial/sunhv.c
+++ b/drivers/tty/serial/sunhv.c
@@ -148,8 +148,10 @@ static int receive_chars_read(struct uart_port *port)
uart_handle_dcd_change(port, 1);
}
- for (i = 0; i < bytes_read; i++)
- uart_handle_sysrq_char(port, con_read_page[i]);
+ if (port->sysrq != 0 && *con_read_page) {
+ for (i = 0; i < bytes_read; i++)
+ uart_handle_sysrq_char(port, con_read_page[i]);
+ }
if (port->state == NULL)
continue;
@@ -168,17 +170,17 @@ struct sunhv_ops {
int (*receive_chars)(struct uart_port *port);
};
-static struct sunhv_ops bychar_ops = {
+static const struct sunhv_ops bychar_ops = {
.transmit_chars = transmit_chars_putchar,
.receive_chars = receive_chars_getchar,
};
-static struct sunhv_ops bywrite_ops = {
+static const struct sunhv_ops bywrite_ops = {
.transmit_chars = transmit_chars_write,
.receive_chars = receive_chars_read,
};
-static struct sunhv_ops *sunhv_ops = &bychar_ops;
+static const struct sunhv_ops *sunhv_ops = &bychar_ops;
static struct tty_port *receive_chars(struct uart_port *port)
{
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 9a479e61791a..3cd31e0d4bd9 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -450,7 +450,7 @@ receive_buf(struct tty_struct *tty, struct tty_buffer *head, int count)
count = disc->ops->receive_buf2(tty, p, f, count);
else {
count = min_t(int, count, tty->receive_room);
- if (count)
+ if (count && disc->ops->receive_buf)
disc->ops->receive_buf(tty, p, f, count);
}
return count;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index a5cc032ef77a..ddbf32d599cb 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1035,10 +1035,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
unsigned delay;
/* Continue a partial initialization */
- if (type == HUB_INIT2)
- goto init2;
- if (type == HUB_INIT3)
+ if (type == HUB_INIT2 || type == HUB_INIT3) {
+ device_lock(hub->intfdev);
+
+ /* Was the hub disconnected while we were waiting? */
+ if (hub->disconnected) {
+ device_unlock(hub->intfdev);
+ kref_put(&hub->kref, hub_release);
+ return;
+ }
+ if (type == HUB_INIT2)
+ goto init2;
goto init3;
+ }
+ kref_get(&hub->kref);
/* The superspeed hub except for root hub has to use Hub Depth
* value as an offset into the route string to locate the bits
@@ -1236,6 +1246,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
queue_delayed_work(system_power_efficient_wq,
&hub->init_work,
msecs_to_jiffies(delay));
+ device_unlock(hub->intfdev);
return; /* Continues at init3: below */
} else {
msleep(delay);
@@ -1257,6 +1268,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
/* Allow autosuspend if it was suppressed */
if (type <= HUB_INIT3)
usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
+
+ if (type == HUB_INIT2 || type == HUB_INIT3)
+ device_unlock(hub->intfdev);
+
+ kref_put(&hub->kref, hub_release);
}
/* Implement the continuations for the delays above */
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index f51a5d52c0ed..ec1b8f2c1183 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -531,7 +531,8 @@ static int ipaq_open(struct tty_struct *tty,
* through. Since this has a reasonably high failure rate, we retry
* several times.
*/
- while (retries--) {
+ while (retries) {
+ retries--;
result = usb_control_msg(serial->dev,
usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21,
0x1, 0, NULL, 0, 100);
diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c
index b335c1ae8625..fe00a07c122e 100644
--- a/drivers/video/fbdev/fsl-diu-fb.c
+++ b/drivers/video/fbdev/fsl-diu-fb.c
@@ -479,7 +479,10 @@ static enum fsl_diu_monitor_port fsl_diu_name_to_port(const char *s)
port = FSL_DIU_PORT_DLVDS;
}
- return diu_ops.valid_monitor_port(port);
+ if (diu_ops.valid_monitor_port)
+ port = diu_ops.valid_monitor_port(port);
+
+ return port;
}
/*
@@ -1915,6 +1918,14 @@ static int __init fsl_diu_init(void)
#else
monitor_port = fsl_diu_name_to_port(monitor_string);
#endif
+
+ /*
+ * Must to verify set_pixel_clock. If not implement on platform,
+ * then that means that there is no platform support for the DIU.
+ */
+ if (!diu_ops.set_pixel_clock)
+ return -ENODEV;
+
pr_info("Freescale Display Interface Unit (DIU) framebuffer driver\n");
#ifdef CONFIG_NOT_COHERENT_CACHE
diff --git a/drivers/video/fbdev/omap2/dss/venc.c b/drivers/video/fbdev/omap2/dss/venc.c
index 99ca268c1cdd..d05a54922ba6 100644
--- a/drivers/video/fbdev/omap2/dss/venc.c
+++ b/drivers/video/fbdev/omap2/dss/venc.c
@@ -275,6 +275,12 @@ const struct omap_video_timings omap_dss_pal_timings = {
.vbp = 41,
.interlace = true,
+
+ .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
+ .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
+ .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
+ .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
+ .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
};
EXPORT_SYMBOL(omap_dss_pal_timings);
@@ -290,6 +296,12 @@ const struct omap_video_timings omap_dss_ntsc_timings = {
.vbp = 31,
.interlace = true,
+
+ .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
+ .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
+ .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
+ .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
+ .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
};
EXPORT_SYMBOL(omap_dss_ntsc_timings);
diff --git a/drivers/xen/events/events_fifo.c b/drivers/xen/events/events_fifo.c
index e3e9e3d46d1b..96a1b8da5371 100644
--- a/drivers/xen/events/events_fifo.c
+++ b/drivers/xen/events/events_fifo.c
@@ -281,7 +281,8 @@ static void handle_irq_for_port(unsigned port)
static void consume_one_event(unsigned cpu,
struct evtchn_fifo_control_block *control_block,
- unsigned priority, unsigned long *ready)
+ unsigned priority, unsigned long *ready,
+ bool drop)
{
struct evtchn_fifo_queue *q = &per_cpu(cpu_queue, cpu);
uint32_t head;
@@ -313,13 +314,17 @@ static void consume_one_event(unsigned cpu,
if (head == 0)
clear_bit(priority, ready);
- if (evtchn_fifo_is_pending(port) && !evtchn_fifo_is_masked(port))
- handle_irq_for_port(port);
+ if (evtchn_fifo_is_pending(port) && !evtchn_fifo_is_masked(port)) {
+ if (unlikely(drop))
+ pr_warn("Dropping pending event for port %u\n", port);
+ else
+ handle_irq_for_port(port);
+ }
q->head[priority] = head;
}
-static void evtchn_fifo_handle_events(unsigned cpu)
+static void __evtchn_fifo_handle_events(unsigned cpu, bool drop)
{
struct evtchn_fifo_control_block *control_block;
unsigned long ready;
@@ -331,11 +336,16 @@ static void evtchn_fifo_handle_events(unsigned cpu)
while (ready) {
q = find_first_bit(&ready, EVTCHN_FIFO_MAX_QUEUES);
- consume_one_event(cpu, control_block, q, &ready);
+ consume_one_event(cpu, control_block, q, &ready, drop);
ready |= xchg(&control_block->ready, 0);
}
}
+static void evtchn_fifo_handle_events(unsigned cpu)
+{
+ __evtchn_fifo_handle_events(cpu, false);
+}
+
static void evtchn_fifo_resume(void)
{
unsigned cpu;
@@ -420,6 +430,9 @@ static int evtchn_fifo_cpu_notification(struct notifier_block *self,
if (!per_cpu(cpu_control_block, cpu))
ret = evtchn_fifo_alloc_control_block(cpu);
break;
+ case CPU_DEAD:
+ __evtchn_fifo_handle_events(cpu, true);
+ break;
default:
break;
}
diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h
index 58e38d586f52..4d529f3e40df 100644
--- a/drivers/xen/xen-pciback/pciback.h
+++ b/drivers/xen/xen-pciback/pciback.h
@@ -37,6 +37,7 @@ struct xen_pcibk_device {
struct xen_pci_sharedinfo *sh_info;
unsigned long flags;
struct work_struct op_work;
+ struct xen_pci_op op;
};
struct xen_pcibk_dev_data {
diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
index c4a0666de6f5..73dafdc494aa 100644
--- a/drivers/xen/xen-pciback/pciback_ops.c
+++ b/drivers/xen/xen-pciback/pciback_ops.c
@@ -70,6 +70,13 @@ static void xen_pcibk_control_isr(struct pci_dev *dev, int reset)
enable ? "enable" : "disable");
if (enable) {
+ /*
+ * The MSI or MSI-X should not have an IRQ handler. Otherwise
+ * if the guest terminates we BUG_ON in free_msi_irqs.
+ */
+ if (dev->msi_enabled || dev->msix_enabled)
+ goto out;
+
rc = request_irq(dev_data->irq,
xen_pcibk_guest_interrupt, IRQF_SHARED,
dev_data->irq_name, dev);
@@ -144,7 +151,12 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev,
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: enable MSI\n", pci_name(dev));
- status = pci_enable_msi(dev);
+ if (dev->msi_enabled)
+ status = -EALREADY;
+ else if (dev->msix_enabled)
+ status = -ENXIO;
+ else
+ status = pci_enable_msi(dev);
if (status) {
pr_warn_ratelimited("%s: error enabling MSI for guest %u: err %d\n",
@@ -173,20 +185,23 @@ static
int xen_pcibk_disable_msi(struct xen_pcibk_device *pdev,
struct pci_dev *dev, struct xen_pci_op *op)
{
- struct xen_pcibk_dev_data *dev_data;
-
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: disable MSI\n",
pci_name(dev));
- pci_disable_msi(dev);
+ if (dev->msi_enabled) {
+ struct xen_pcibk_dev_data *dev_data;
+
+ pci_disable_msi(dev);
+
+ dev_data = pci_get_drvdata(dev);
+ if (dev_data)
+ dev_data->ack_intr = 1;
+ }
op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0;
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: MSI: %d\n", pci_name(dev),
op->value);
- dev_data = pci_get_drvdata(dev);
- if (dev_data)
- dev_data->ack_intr = 1;
return 0;
}
@@ -197,13 +212,26 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev,
struct xen_pcibk_dev_data *dev_data;
int i, result;
struct msix_entry *entries;
+ u16 cmd;
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: enable MSI-X\n",
pci_name(dev));
+
if (op->value > SH_INFO_MAX_VEC)
return -EINVAL;
+ if (dev->msix_enabled)
+ return -EALREADY;
+
+ /*
+ * PCI_COMMAND_MEMORY must be enabled, otherwise we may not be able
+ * to access the BARs where the MSI-X entries reside.
+ */
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ if (dev->msi_enabled || !(cmd & PCI_COMMAND_MEMORY))
+ return -ENXIO;
+
entries = kmalloc(op->value * sizeof(*entries), GFP_KERNEL);
if (entries == NULL)
return -ENOMEM;
@@ -245,23 +273,27 @@ static
int xen_pcibk_disable_msix(struct xen_pcibk_device *pdev,
struct pci_dev *dev, struct xen_pci_op *op)
{
- struct xen_pcibk_dev_data *dev_data;
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: disable MSI-X\n",
pci_name(dev));
- pci_disable_msix(dev);
+ if (dev->msix_enabled) {
+ struct xen_pcibk_dev_data *dev_data;
+
+ pci_disable_msix(dev);
+
+ dev_data = pci_get_drvdata(dev);
+ if (dev_data)
+ dev_data->ack_intr = 1;
+ }
/*
* SR-IOV devices (which don't have any legacy IRQ) have
* an undefined IRQ value of zero.
*/
op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0;
if (unlikely(verbose_request))
- printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n", pci_name(dev),
- op->value);
- dev_data = pci_get_drvdata(dev);
- if (dev_data)
- dev_data->ack_intr = 1;
+ printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n",
+ pci_name(dev), op->value);
return 0;
}
#endif
@@ -298,9 +330,11 @@ void xen_pcibk_do_op(struct work_struct *data)
container_of(data, struct xen_pcibk_device, op_work);
struct pci_dev *dev;
struct xen_pcibk_dev_data *dev_data = NULL;
- struct xen_pci_op *op = &pdev->sh_info->op;
+ struct xen_pci_op *op = &pdev->op;
int test_intx = 0;
+ *op = pdev->sh_info->op;
+ barrier();
dev = xen_pcibk_get_pci_dev(pdev, op->domain, op->bus, op->devfn);
if (dev == NULL)
@@ -342,6 +376,17 @@ void xen_pcibk_do_op(struct work_struct *data)
if ((dev_data->enable_intx != test_intx))
xen_pcibk_control_isr(dev, 0 /* no reset */);
}
+ pdev->sh_info->op.err = op->err;
+ pdev->sh_info->op.value = op->value;
+#ifdef CONFIG_PCI_MSI
+ if (op->cmd == XEN_PCI_OP_enable_msix && op->err == 0) {
+ unsigned int i;
+
+ for (i = 0; i < op->value; i++)
+ pdev->sh_info->op.msix_entries[i].vector =
+ op->msix_entries[i].vector;
+ }
+#endif
/* Tell the driver domain that we're done. */
wmb();
clear_bit(_XEN_PCIF_active, (unsigned long *)&pdev->sh_info->flags);
diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index 98bc345f296e..4843741e703a 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -44,7 +44,6 @@ static struct xen_pcibk_device *alloc_pdev(struct xenbus_device *xdev)
dev_dbg(&xdev->dev, "allocated pdev @ 0x%p\n", pdev);
pdev->xdev = xdev;
- dev_set_drvdata(&xdev->dev, pdev);
mutex_init(&pdev->dev_lock);
@@ -58,6 +57,9 @@ static struct xen_pcibk_device *alloc_pdev(struct xenbus_device *xdev)
kfree(pdev);
pdev = NULL;
}
+
+ dev_set_drvdata(&xdev->dev, pdev);
+
out:
return pdev;
}
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 43bcae852546..ad4eb1024d1f 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -726,7 +726,7 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info)
if (!pending_req)
return 1;
- ring_req = *RING_GET_REQUEST(ring, rc);
+ RING_COPY_REQUEST(ring, rc, &ring_req);
ring->req_cons = ++rc;
err = prepare_pending_reqs(info, &ring_req, pending_req);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4b89680a1923..c4661db2b72a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -10480,11 +10480,15 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
* until transaction commit to do the actual discard.
*/
if (trimming) {
- WARN_ON(!list_empty(&block_group->bg_list));
- spin_lock(&trans->transaction->deleted_bgs_lock);
+ spin_lock(&fs_info->unused_bgs_lock);
+ /*
+ * A concurrent scrub might have added us to the list
+ * fs_info->unused_bgs, so use a list_move operation
+ * to add the block group to the deleted_bgs list.
+ */
list_move(&block_group->bg_list,
&trans->transaction->deleted_bgs);
- spin_unlock(&trans->transaction->deleted_bgs_lock);
+ spin_unlock(&fs_info->unused_bgs_lock);
btrfs_get_block_group(block_group);
}
end_trans:
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 72e73461c064..0f09526aa7d9 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1291,7 +1291,8 @@ out:
* on error we return an unlocked page and the error value
* on success we return a locked page and 0
*/
-static int prepare_uptodate_page(struct page *page, u64 pos,
+static int prepare_uptodate_page(struct inode *inode,
+ struct page *page, u64 pos,
bool force_uptodate)
{
int ret = 0;
@@ -1306,6 +1307,10 @@ static int prepare_uptodate_page(struct page *page, u64 pos,
unlock_page(page);
return -EIO;
}
+ if (page->mapping != inode->i_mapping) {
+ unlock_page(page);
+ return -EAGAIN;
+ }
}
return 0;
}
@@ -1324,6 +1329,7 @@ static noinline int prepare_pages(struct inode *inode, struct page **pages,
int faili;
for (i = 0; i < num_pages; i++) {
+again:
pages[i] = find_or_create_page(inode->i_mapping, index + i,
mask | __GFP_WRITE);
if (!pages[i]) {
@@ -1333,13 +1339,17 @@ static noinline int prepare_pages(struct inode *inode, struct page **pages,
}
if (i == 0)
- err = prepare_uptodate_page(pages[i], pos,
+ err = prepare_uptodate_page(inode, pages[i], pos,
force_uptodate);
- if (i == num_pages - 1)
- err = prepare_uptodate_page(pages[i],
+ if (!err && i == num_pages - 1)
+ err = prepare_uptodate_page(inode, pages[i],
pos + write_bytes, false);
if (err) {
page_cache_release(pages[i]);
+ if (err == -EAGAIN) {
+ err = 0;
+ goto again;
+ }
faili = i - 1;
goto fail;
}
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 85a1f8621b51..cfe99bec49de 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -891,7 +891,7 @@ out:
spin_unlock(&block_group->lock);
ret = 0;
- btrfs_warn(fs_info, "failed to load free space cache for block group %llu, rebuild it now",
+ btrfs_warn(fs_info, "failed to load free space cache for block group %llu, rebuilding it now",
block_group->key.objectid);
}
@@ -2972,7 +2972,7 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
u64 cont1_bytes, u64 min_bytes)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
- struct btrfs_free_space *entry;
+ struct btrfs_free_space *entry = NULL;
int ret = -ENOSPC;
u64 bitmap_offset = offset_to_bitmap(ctl, offset);
@@ -2983,8 +2983,10 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
* The bitmap that covers offset won't be in the list unless offset
* is just its start offset.
*/
- entry = list_first_entry(bitmaps, struct btrfs_free_space, list);
- if (entry->offset != bitmap_offset) {
+ if (!list_empty(bitmaps))
+ entry = list_first_entry(bitmaps, struct btrfs_free_space, list);
+
+ if (!entry || entry->offset != bitmap_offset) {
entry = tree_search_offset(ctl, bitmap_offset, 1, 0);
if (entry && list_empty(&entry->list))
list_add(&entry->list, bitmaps);
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 3367a3c6f214..be8eae80ff65 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -274,7 +274,6 @@ loop:
cur_trans->num_dirty_bgs = 0;
spin_lock_init(&cur_trans->dirty_bgs_lock);
INIT_LIST_HEAD(&cur_trans->deleted_bgs);
- spin_lock_init(&cur_trans->deleted_bgs_lock);
spin_lock_init(&cur_trans->dropped_roots_lock);
list_add_tail(&cur_trans->list, &fs_info->trans_list);
extent_io_tree_init(&cur_trans->dirty_pages,
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 0da21ca9b3fb..64c8221b6165 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -77,8 +77,8 @@ struct btrfs_transaction {
*/
struct mutex cache_write_mutex;
spinlock_t dirty_bgs_lock;
+ /* Protected by spin lock fs_info->unused_bgs_lock. */
struct list_head deleted_bgs;
- spinlock_t deleted_bgs_lock;
spinlock_t dropped_roots_lock;
struct btrfs_delayed_ref_root delayed_refs;
int aborted;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 456452206609..a23399e8e3ab 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3548,12 +3548,11 @@ again:
ret = btrfs_force_chunk_alloc(trans, chunk_root,
BTRFS_BLOCK_GROUP_DATA);
+ btrfs_end_transaction(trans, chunk_root);
if (ret < 0) {
mutex_unlock(&fs_info->delete_unused_bgs_mutex);
goto error;
}
-
- btrfs_end_transaction(trans, chunk_root);
chunk_reserved = 1;
}
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 9ffef06b30d5..c9d6c715c0fb 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -616,6 +616,7 @@ nfsd4_cb_layout_prepare(struct nfsd4_callback *cb)
mutex_lock(&ls->ls_mutex);
nfs4_inc_and_copy_stateid(&ls->ls_recall_sid, &ls->ls_stid);
+ mutex_unlock(&ls->ls_mutex);
}
static int
@@ -659,7 +660,6 @@ nfsd4_cb_layout_release(struct nfsd4_callback *cb)
trace_layout_recall_release(&ls->ls_stid.sc_stateid);
- mutex_unlock(&ls->ls_mutex);
nfsd4_return_all_layouts(ls, &reaplist);
nfsd4_free_layouts(&reaplist);
nfs4_put_stid(&ls->ls_stid);
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index ce38b4ccc9ab..84f2f8079466 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2843,6 +2843,8 @@ again:
res->state &= ~DLM_LOCK_RES_BLOCK_DIRTY;
if (!ret)
BUG_ON(!(res->state & DLM_LOCK_RES_MIGRATING));
+ else
+ res->migration_pending = 0;
spin_unlock(&res->spinlock);
/*
diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c
index 652ece4a9d9e..d56f0079b858 100644
--- a/fs/ocfs2/locks.c
+++ b/fs/ocfs2/locks.c
@@ -67,7 +67,10 @@ static int ocfs2_do_flock(struct file *file, struct inode *inode,
*/
locks_lock_file_wait(file,
- &(struct file_lock){.fl_type = F_UNLCK});
+ &(struct file_lock) {
+ .fl_type = F_UNLCK,
+ .fl_flags = FL_FLOCK
+ });
ocfs2_file_unlock(file);
}
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c
index d5da6f624142..79b8021302b3 100644
--- a/fs/ocfs2/resize.c
+++ b/fs/ocfs2/resize.c
@@ -54,11 +54,12 @@
static u16 ocfs2_calc_new_backup_super(struct inode *inode,
struct ocfs2_group_desc *gd,
u16 cl_cpg,
+ u16 old_bg_clusters,
int set)
{
int i;
u16 backups = 0;
- u32 cluster;
+ u32 cluster, lgd_cluster;
u64 blkno, gd_blkno, lgd_blkno = le64_to_cpu(gd->bg_blkno);
for (i = 0; i < OCFS2_MAX_BACKUP_SUPERBLOCKS; i++) {
@@ -71,6 +72,12 @@ static u16 ocfs2_calc_new_backup_super(struct inode *inode,
else if (gd_blkno > lgd_blkno)
break;
+ /* check if already done backup super */
+ lgd_cluster = ocfs2_blocks_to_clusters(inode->i_sb, lgd_blkno);
+ lgd_cluster += old_bg_clusters;
+ if (lgd_cluster >= cluster)
+ continue;
+
if (set)
ocfs2_set_bit(cluster % cl_cpg,
(unsigned long *)gd->bg_bitmap);
@@ -99,6 +106,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
u16 chain, num_bits, backups = 0;
u16 cl_bpc = le16_to_cpu(cl->cl_bpc);
u16 cl_cpg = le16_to_cpu(cl->cl_cpg);
+ u16 old_bg_clusters;
trace_ocfs2_update_last_group_and_inode(new_clusters,
first_new_cluster);
@@ -112,6 +120,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
group = (struct ocfs2_group_desc *)group_bh->b_data;
+ old_bg_clusters = le16_to_cpu(group->bg_bits) / cl_bpc;
/* update the group first. */
num_bits = new_clusters * cl_bpc;
le16_add_cpu(&group->bg_bits, num_bits);
@@ -125,7 +134,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
OCFS2_FEATURE_COMPAT_BACKUP_SB)) {
backups = ocfs2_calc_new_backup_super(bm_inode,
group,
- cl_cpg, 1);
+ cl_cpg, old_bg_clusters, 1);
le16_add_cpu(&group->bg_free_bits_count, -1 * backups);
}
@@ -163,7 +172,7 @@ out_rollback:
if (ret < 0) {
ocfs2_calc_new_backup_super(bm_inode,
group,
- cl_cpg, 0);
+ cl_cpg, old_bg_clusters, 0);
le16_add_cpu(&group->bg_free_bits_count, backups);
le16_add_cpu(&group->bg_bits, -1 * num_bits);
le16_add_cpu(&group->bg_free_bits_count, -1 * num_bits);
diff --git a/fs/proc/base.c b/fs/proc/base.c
index bd3e9e68125b..4bd5d3118acd 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2494,6 +2494,7 @@ static ssize_t proc_coredump_filter_write(struct file *file,
mm = get_task_mm(task);
if (!mm)
goto out_no_mm;
+ ret = 0;
for (i = 0, mask = 1; i < MMF_DUMP_FILTER_BITS; i++, mask <<= 1) {
if (val & mask)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 0169ba2e2e64..c70e3588a48c 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -797,6 +797,7 @@ extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
extern int blk_queue_enter(struct request_queue *q, gfp_t gfp);
extern void blk_queue_exit(struct request_queue *q);
extern void blk_start_queue(struct request_queue *q);
+extern void blk_start_queue_async(struct request_queue *q);
extern void blk_stop_queue(struct request_queue *q);
extern void blk_sync_queue(struct request_queue *q);
extern void __blk_stop_queue(struct request_queue *q);
diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h
index 7be22da321f3..a4cf57cd0f75 100644
--- a/include/linux/enclosure.h
+++ b/include/linux/enclosure.h
@@ -29,7 +29,11 @@
/* A few generic types ... taken from ses-2 */
enum enclosure_component_type {
ENCLOSURE_COMPONENT_DEVICE = 0x01,
+ ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS = 0x07,
+ ENCLOSURE_COMPONENT_SCSI_TARGET_PORT = 0x14,
+ ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT = 0x15,
ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17,
+ ENCLOSURE_COMPONENT_SAS_EXPANDER = 0x18,
};
/* ses-2 common element status */
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 4165e9ac9e36..5972ffe5719a 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -493,6 +493,25 @@ static inline void bpf_jit_free(struct bpf_prog *fp)
#define BPF_ANC BIT(15)
+static inline bool bpf_needs_clear_a(const struct sock_filter *first)
+{
+ switch (first->code) {
+ case BPF_RET | BPF_K:
+ case BPF_LD | BPF_W | BPF_LEN:
+ return false;
+
+ case BPF_LD | BPF_W | BPF_ABS:
+ case BPF_LD | BPF_H | BPF_ABS:
+ case BPF_LD | BPF_B | BPF_ABS:
+ if (first->k == SKF_AD_OFF + SKF_AD_ALU_XOR_X)
+ return true;
+ return false;
+
+ default:
+ return true;
+ }
+}
+
static inline u16 bpf_anc_helper(const struct sock_filter *ftest)
{
BUG_ON(ftest->code & BPF_ANC);
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index eae6548efbf0..60048c50404e 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -586,6 +586,7 @@ extern int ftrace_arch_read_dyn_info(char *buf, int size);
extern int skip_trace(unsigned long ip);
extern void ftrace_module_init(struct module *mod);
+extern void ftrace_release_mod(struct module *mod);
extern void ftrace_disable_daemon(void);
extern void ftrace_enable_daemon(void);
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index 877ef226f90f..772362adf471 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -1,6 +1,7 @@
#ifndef LINUX_MM_DEBUG_H
#define LINUX_MM_DEBUG_H 1
+#include <linux/bug.h>
#include <linux/stringify.h>
struct page;
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index c8723b62c4cd..bc742dac7d3a 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -25,7 +25,7 @@
#define SNOR_MFR_MACRONIX CFI_MFR_MACRONIX
#define SNOR_MFR_SPANSION CFI_MFR_AMD
#define SNOR_MFR_SST CFI_MFR_SST
-#define SNOR_MFR_WINBOND 0xef
+#define SNOR_MFR_WINBOND 0xef /* Also used by some Spansion */
/*
* Note on opcode nomenclature: some opcodes have a format like
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3b5d134e945a..3143c847bddb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2084,7 +2084,7 @@ struct pcpu_sw_netstats {
})
#define netdev_alloc_pcpu_stats(type) \
- __netdev_alloc_pcpu_stats(type, GFP_KERNEL);
+ __netdev_alloc_pcpu_stats(type, GFP_KERNEL)
#include <linux/notifier.h>
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 249d1bb01e03..5646b24bfc64 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -14,7 +14,7 @@ struct nfnl_callback {
int (*call_rcu)(struct sock *nl, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const cda[]);
- int (*call_batch)(struct sock *nl, struct sk_buff *skb,
+ int (*call_batch)(struct net *net, struct sock *nl, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const cda[]);
const struct nla_policy *policy; /* netlink attribute policy */
diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h
index e2878baeb90e..4299f4ba03bd 100644
--- a/include/linux/platform_data/edma.h
+++ b/include/linux/platform_data/edma.h
@@ -72,7 +72,7 @@ struct edma_soc_info {
struct edma_rsv_info *rsv;
/* List of channels allocated for memcpy, terminated with -1 */
- s16 *memcpy_channels;
+ s32 *memcpy_channels;
s8 (*queue_priority_mapping)[2];
const s16 (*xbar_chans)[2];
diff --git a/include/linux/qed/common_hsi.h b/include/linux/qed/common_hsi.h
index 6a4347639c03..1d1ba2c5ee7a 100644
--- a/include/linux/qed/common_hsi.h
+++ b/include/linux/qed/common_hsi.h
@@ -9,6 +9,8 @@
#ifndef __COMMON_HSI__
#define __COMMON_HSI__
+#define CORE_SPQE_PAGE_SIZE_BYTES 4096
+
#define FW_MAJOR_VERSION 8
#define FW_MINOR_VERSION 4
#define FW_REVISION_VERSION 2
diff --git a/include/linux/qed/qed_chain.h b/include/linux/qed/qed_chain.h
index b920c3605c46..41b9049b57e2 100644
--- a/include/linux/qed/qed_chain.h
+++ b/include/linux/qed/qed_chain.h
@@ -111,7 +111,8 @@ static inline u16 qed_chain_get_elem_left(struct qed_chain *p_chain)
used = ((u32)0x10000u + (u32)(p_chain->prod_idx)) -
(u32)p_chain->cons_idx;
if (p_chain->mode == QED_CHAIN_MODE_NEXT_PTR)
- used -= (used / p_chain->elem_per_page);
+ used -= p_chain->prod_idx / p_chain->elem_per_page -
+ p_chain->cons_idx / p_chain->elem_per_page;
return p_chain->capacity - used;
}
diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index 843ceca9a21e..e50b31d18462 100644
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -19,6 +19,7 @@
#include <linux/atomic.h>
#include <linux/compiler.h>
+#include <linux/err.h>
#include <linux/errno.h>
#include <linux/jhash.h>
#include <linux/list_nulls.h>
@@ -339,10 +340,11 @@ static inline int lockdep_rht_bucket_is_held(const struct bucket_table *tbl,
int rhashtable_init(struct rhashtable *ht,
const struct rhashtable_params *params);
-int rhashtable_insert_slow(struct rhashtable *ht, const void *key,
- struct rhash_head *obj,
- struct bucket_table *old_tbl);
-int rhashtable_insert_rehash(struct rhashtable *ht);
+struct bucket_table *rhashtable_insert_slow(struct rhashtable *ht,
+ const void *key,
+ struct rhash_head *obj,
+ struct bucket_table *old_tbl);
+int rhashtable_insert_rehash(struct rhashtable *ht, struct bucket_table *tbl);
int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter);
void rhashtable_walk_exit(struct rhashtable_iter *iter);
@@ -598,9 +600,11 @@ restart:
new_tbl = rht_dereference_rcu(tbl->future_tbl, ht);
if (unlikely(new_tbl)) {
- err = rhashtable_insert_slow(ht, key, obj, new_tbl);
- if (err == -EAGAIN)
+ tbl = rhashtable_insert_slow(ht, key, obj, new_tbl);
+ if (!IS_ERR_OR_NULL(tbl))
goto slow_path;
+
+ err = PTR_ERR(tbl);
goto out;
}
@@ -611,7 +615,7 @@ restart:
if (unlikely(rht_grow_above_100(ht, tbl))) {
slow_path:
spin_unlock_bh(lock);
- err = rhashtable_insert_rehash(ht);
+ err = rhashtable_insert_rehash(ht, tbl);
rcu_read_unlock();
if (err)
return err;
diff --git a/include/linux/rotary_encoder.h b/include/linux/rotary_encoder.h
deleted file mode 100644
index fe3dc64e5aeb..000000000000
--- a/include/linux/rotary_encoder.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef __ROTARY_ENCODER_H__
-#define __ROTARY_ENCODER_H__
-
-struct rotary_encoder_platform_data {
- unsigned int steps;
- unsigned int axis;
- unsigned int gpio_a;
- unsigned int gpio_b;
- unsigned int inverted_a;
- unsigned int inverted_b;
- unsigned int steps_per_period;
- bool relative_axis;
- bool rollover;
- bool wakeup_source;
-};
-
-#endif /* __ROTARY_ENCODER_H__ */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index edad7a43edea..fa39434e3fdd 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1455,14 +1455,15 @@ struct task_struct {
/* Used for emulating ABI behavior of previous Linux versions */
unsigned int personality;
- unsigned in_execve:1; /* Tell the LSMs that the process is doing an
- * execve */
- unsigned in_iowait:1;
-
- /* Revert to default priority/policy when forking */
+ /* scheduler bits, serialized by scheduler locks */
unsigned sched_reset_on_fork:1;
unsigned sched_contributes_to_load:1;
unsigned sched_migrated:1;
+ unsigned :0; /* force alignment to the next boundary */
+
+ /* unserialized, strictly 'current' */
+ unsigned in_execve:1; /* bit to tell LSMs we're in execve */
+ unsigned in_iowait:1;
#ifdef CONFIG_MEMCG
unsigned memcg_may_oom:1;
#endif
@@ -2002,7 +2003,8 @@ static inline int pid_alive(const struct task_struct *p)
}
/**
- * is_global_init - check if a task structure is init
+ * is_global_init - check if a task structure is init. Since init
+ * is free to have sub-threads we need to check tgid.
* @tsk: Task structure to be checked.
*
* Check if a task structure is the first user space task the kernel created.
@@ -2011,7 +2013,7 @@ static inline int pid_alive(const struct task_struct *p)
*/
static inline int is_global_init(struct task_struct *tsk)
{
- return tsk->pid == 1;
+ return task_tgid_nr(tsk) == 1;
}
extern struct pid *cad_pid;
diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h
index 1f6526c76ee8..3a375d07d0dc 100644
--- a/include/linux/usb/cdc_ncm.h
+++ b/include/linux/usb/cdc_ncm.h
@@ -138,6 +138,7 @@ struct cdc_ncm_ctx {
};
u8 cdc_ncm_select_altsetting(struct usb_interface *intf);
+int cdc_ncm_change_mtu(struct net_device *net, int new_mtu);
int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags);
void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf);
struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign);
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 5dbc8b0ee567..3e5d9075960f 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -176,11 +176,11 @@ extern void zone_statistics(struct zone *, struct zone *, gfp_t gfp);
#define sub_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, -(__d))
#ifdef CONFIG_SMP
-void __mod_zone_page_state(struct zone *, enum zone_stat_item item, int);
+void __mod_zone_page_state(struct zone *, enum zone_stat_item item, long);
void __inc_zone_page_state(struct page *, enum zone_stat_item);
void __dec_zone_page_state(struct page *, enum zone_stat_item);
-void mod_zone_page_state(struct zone *, enum zone_stat_item, int);
+void mod_zone_page_state(struct zone *, enum zone_stat_item, long);
void inc_zone_page_state(struct page *, enum zone_stat_item);
void dec_zone_page_state(struct page *, enum zone_stat_item);
@@ -205,7 +205,7 @@ void set_pgdat_percpu_threshold(pg_data_t *pgdat,
* The functions directly modify the zone and global counters.
*/
static inline void __mod_zone_page_state(struct zone *zone,
- enum zone_stat_item item, int delta)
+ enum zone_stat_item item, long delta)
{
zone_page_state_add(delta, zone, item);
}
diff --git a/include/net/dst.h b/include/net/dst.h
index 1279f9b09791..c7329dcd90cc 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -322,6 +322,39 @@ static inline void skb_dst_force(struct sk_buff *skb)
}
}
+/**
+ * dst_hold_safe - Take a reference on a dst if possible
+ * @dst: pointer to dst entry
+ *
+ * This helper returns false if it could not safely
+ * take a reference on a dst.
+ */
+static inline bool dst_hold_safe(struct dst_entry *dst)
+{
+ if (dst->flags & DST_NOCACHE)
+ return atomic_inc_not_zero(&dst->__refcnt);
+ dst_hold(dst);
+ return true;
+}
+
+/**
+ * skb_dst_force_safe - makes sure skb dst is refcounted
+ * @skb: buffer
+ *
+ * If dst is not yet refcounted and not destroyed, grab a ref on it.
+ */
+static inline void skb_dst_force_safe(struct sk_buff *skb)
+{
+ if (skb_dst_is_noref(skb)) {
+ struct dst_entry *dst = skb_dst(skb);
+
+ if (!dst_hold_safe(dst))
+ dst = NULL;
+
+ skb->_skb_refdst = (unsigned long)dst;
+ }
+}
+
/**
* __skb_tunnel_rx - prepare skb for rx reinsert
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 2134e6d815bc..625bdf95d673 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -210,18 +210,37 @@ struct inet_sock {
#define IP_CMSG_ORIGDSTADDR BIT(6)
#define IP_CMSG_CHECKSUM BIT(7)
-/* SYNACK messages might be attached to request sockets.
+/**
+ * sk_to_full_sk - Access to a full socket
+ * @sk: pointer to a socket
+ *
+ * SYNACK messages might be attached to request sockets.
* Some places want to reach the listener in this case.
*/
-static inline struct sock *skb_to_full_sk(const struct sk_buff *skb)
+static inline struct sock *sk_to_full_sk(struct sock *sk)
{
- struct sock *sk = skb->sk;
-
+#ifdef CONFIG_INET
if (sk && sk->sk_state == TCP_NEW_SYN_RECV)
sk = inet_reqsk(sk)->rsk_listener;
+#endif
+ return sk;
+}
+
+/* sk_to_full_sk() variant with a const argument */
+static inline const struct sock *sk_const_to_full_sk(const struct sock *sk)
+{
+#ifdef CONFIG_INET
+ if (sk && sk->sk_state == TCP_NEW_SYN_RECV)
+ sk = ((const struct request_sock *)sk)->rsk_listener;
+#endif
return sk;
}
+static inline struct sock *skb_to_full_sk(const struct sk_buff *skb)
+{
+ return sk_to_full_sk(skb->sk);
+}
+
static inline struct inet_sock *inet_sk(const struct sock *sk)
{
return (struct inet_sock *)sk;
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 4a6009d4486b..235c7811a86a 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -78,6 +78,7 @@ void inet_initpeers(void) __init;
static inline void inetpeer_set_addr_v4(struct inetpeer_addr *iaddr, __be32 ip)
{
iaddr->a4.addr = ip;
+ iaddr->a4.vif = 0;
iaddr->family = AF_INET;
}
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h
index 774d85b2d5d9..5689a0c749f7 100644
--- a/include/net/l3mdev.h
+++ b/include/net/l3mdev.h
@@ -29,7 +29,7 @@ struct l3mdev_ops {
/* IPv4 ops */
struct rtable * (*l3mdev_get_rtable)(const struct net_device *dev,
const struct flowi4 *fl4);
- void (*l3mdev_get_saddr)(struct net_device *dev,
+ int (*l3mdev_get_saddr)(struct net_device *dev,
struct flowi4 *fl4);
/* IPv6 ops */
@@ -112,10 +112,11 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
return rc;
}
-static inline void l3mdev_get_saddr(struct net *net, int ifindex,
- struct flowi4 *fl4)
+static inline int l3mdev_get_saddr(struct net *net, int ifindex,
+ struct flowi4 *fl4)
{
struct net_device *dev;
+ int rc = 0;
if (ifindex) {
@@ -124,11 +125,13 @@ static inline void l3mdev_get_saddr(struct net *net, int ifindex,
dev = dev_get_by_index_rcu(net, ifindex);
if (dev && netif_is_l3_master(dev) &&
dev->l3mdev_ops->l3mdev_get_saddr) {
- dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4);
+ rc = dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4);
}
rcu_read_unlock();
}
+
+ return rc;
}
static inline struct dst_entry *l3mdev_get_rt6_dst(const struct net_device *dev,
@@ -200,9 +203,10 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
return false;
}
-static inline void l3mdev_get_saddr(struct net *net, int ifindex,
- struct flowi4 *fl4)
+static inline int l3mdev_get_saddr(struct net *net, int ifindex,
+ struct flowi4 *fl4)
{
+ return 0;
}
static inline
diff --git a/include/net/route.h b/include/net/route.h
index ee81307863d5..a3b9ef74a389 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -283,7 +283,12 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
sport, dport, sk);
if (!src && oif) {
- l3mdev_get_saddr(net, oif, fl4);
+ int rc;
+
+ rc = l3mdev_get_saddr(net, oif, fl4);
+ if (rc < 0)
+ return ERR_PTR(rc);
+
src = fl4->saddr;
}
if (!dst || !src) {
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 7bbb71081aeb..eea9bdeecba2 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1493,7 +1493,8 @@ struct sctp_association {
* : SACK's are not delayed (see Section 6).
*/
__u8 sack_needed:1, /* Do we need to sack the peer? */
- sack_generation:1;
+ sack_generation:1,
+ zero_window_announced:1;
__u32 sack_cnt;
__u32 adaptation_ind; /* Adaptation Code point. */
diff --git a/include/net/sock.h b/include/net/sock.h
index 52d27ee924f4..14d3c0734007 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -388,7 +388,7 @@ struct sock {
struct socket_wq *sk_wq_raw;
};
#ifdef CONFIG_XFRM
- struct xfrm_policy *sk_policy[2];
+ struct xfrm_policy __rcu *sk_policy[2];
#endif
struct dst_entry *sk_rx_dst;
struct dst_entry __rcu *sk_dst_cache;
@@ -404,6 +404,7 @@ struct sock {
sk_userlocks : 4,
sk_protocol : 8,
sk_type : 16;
+#define SK_PROTOCOL_MAX U8_MAX
kmemcheck_bitfield_end(flags);
int sk_wmem_queued;
gfp_t sk_allocation;
@@ -740,6 +741,8 @@ enum sock_flags {
SOCK_SELECT_ERR_QUEUE, /* Wake select on error queue */
};
+#define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE))
+
static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
{
nsk->sk_flags = osk->sk_flags;
@@ -814,7 +817,7 @@ void sk_stream_write_space(struct sock *sk);
static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
{
/* dont let skb dst not refcounted, we are going to leave rcu lock */
- skb_dst_force(skb);
+ skb_dst_force_safe(skb);
if (!sk->sk_backlog.tail)
sk->sk_backlog.head = skb;
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index c1c899c3a51b..e289ada6adf6 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -79,7 +79,7 @@ struct vxlanhdr {
};
/* VXLAN header flags. */
-#define VXLAN_HF_RCO BIT(24)
+#define VXLAN_HF_RCO BIT(21)
#define VXLAN_HF_VNI BIT(27)
#define VXLAN_HF_GBP BIT(31)
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 4a9c21f9b4ea..d6f6e5006ee9 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -548,6 +548,7 @@ struct xfrm_policy {
u16 family;
struct xfrm_sec_ctx *security;
struct xfrm_tmpl xfrm_vec[XFRM_MAX_DEPTH];
+ struct rcu_head rcu;
};
static inline struct net *xp_net(const struct xfrm_policy *xp)
@@ -1141,12 +1142,14 @@ static inline int xfrm6_route_forward(struct sk_buff *skb)
return xfrm_route_forward(skb, AF_INET6);
}
-int __xfrm_sk_clone_policy(struct sock *sk);
+int __xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk);
-static inline int xfrm_sk_clone_policy(struct sock *sk)
+static inline int xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk)
{
- if (unlikely(sk->sk_policy[0] || sk->sk_policy[1]))
- return __xfrm_sk_clone_policy(sk);
+ sk->sk_policy[0] = NULL;
+ sk->sk_policy[1] = NULL;
+ if (unlikely(osk->sk_policy[0] || osk->sk_policy[1]))
+ return __xfrm_sk_clone_policy(sk, osk);
return 0;
}
@@ -1154,12 +1157,16 @@ int xfrm_policy_delete(struct xfrm_policy *pol, int dir);
static inline void xfrm_sk_free_policy(struct sock *sk)
{
- if (unlikely(sk->sk_policy[0] != NULL)) {
- xfrm_policy_delete(sk->sk_policy[0], XFRM_POLICY_MAX);
+ struct xfrm_policy *pol;
+
+ pol = rcu_dereference_protected(sk->sk_policy[0], 1);
+ if (unlikely(pol != NULL)) {
+ xfrm_policy_delete(pol, XFRM_POLICY_MAX);
sk->sk_policy[0] = NULL;
}
- if (unlikely(sk->sk_policy[1] != NULL)) {
- xfrm_policy_delete(sk->sk_policy[1], XFRM_POLICY_MAX+1);
+ pol = rcu_dereference_protected(sk->sk_policy[1], 1);
+ if (unlikely(pol != NULL)) {
+ xfrm_policy_delete(pol, XFRM_POLICY_MAX+1);
sk->sk_policy[1] = NULL;
}
}
@@ -1169,7 +1176,7 @@ void xfrm_garbage_collect(struct net *net);
#else
static inline void xfrm_sk_free_policy(struct sock *sk) {}
-static inline int xfrm_sk_clone_policy(struct sock *sk) { return 0; }
+static inline int xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk) { return 0; }
static inline int xfrm6_route_forward(struct sk_buff *skb) { return 1; }
static inline int xfrm4_route_forward(struct sk_buff *skb) { return 1; }
static inline int xfrm6_policy_check(struct sock *sk, int dir, struct sk_buff *skb)
diff --git a/include/sound/soc.h b/include/sound/soc.h
index a8b4b9c8b1d2..fb955e69a78e 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1655,7 +1655,7 @@ extern const struct dev_pm_ops snd_soc_pm_ops;
/* Helper functions */
static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
{
- mutex_lock(&dapm->card->dapm_mutex);
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
}
static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 628e6e64c2fb..c2e5d6cb34e3 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -186,6 +186,7 @@ header-y += if_tunnel.h
header-y += if_vlan.h
header-y += if_x25.h
header-y += igmp.h
+header-y += ila.h
header-y += in6.h
header-y += inet_diag.h
header-y += in.h
diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h
index 28ccedd000f5..a27222d5b413 100644
--- a/include/uapi/linux/openvswitch.h
+++ b/include/uapi/linux/openvswitch.h
@@ -628,7 +628,7 @@ struct ovs_action_hash {
* @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the
* mask, the corresponding bit in the value is copied to the connection
* tracking mark field in the connection.
- * @OVS_CT_ATTR_LABEL: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN
+ * @OVS_CT_ATTR_LABELS: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN
* mask. For each bit set in the mask, the corresponding bit in the value is
* copied to the connection tracking label field in the connection.
* @OVS_CT_ATTR_HELPER: variable length string defining conntrack ALG.
diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h
index 7d28aff605c7..7dc685b4057d 100644
--- a/include/xen/interface/io/ring.h
+++ b/include/xen/interface/io/ring.h
@@ -181,6 +181,20 @@ struct __name##_back_ring { \
#define RING_GET_REQUEST(_r, _idx) \
(&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req))
+/*
+ * Get a local copy of a request.
+ *
+ * Use this in preference to RING_GET_REQUEST() so all processing is
+ * done on a local copy that cannot be modified by the other end.
+ *
+ * Note that https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 may cause this
+ * to be ineffective where _req is a struct which consists of only bitfields.
+ */
+#define RING_COPY_REQUEST(_r, _idx, _req) do { \
+ /* Use volatile to force the copy into _req. */ \
+ *(_req) = *(volatile typeof(_req))RING_GET_REQUEST(_r, _idx); \
+} while (0)
+
#define RING_GET_RESPONSE(_r, _idx) \
(&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp))
diff --git a/kernel/events/core.c b/kernel/events/core.c
index ef2d6ea10736..cfc227ccfceb 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3154,15 +3154,16 @@ static int event_enable_on_exec(struct perf_event *event,
* Enable all of a task's events that have been marked enable-on-exec.
* This expects task == current.
*/
-static void perf_event_enable_on_exec(struct perf_event_context *ctx)
+static void perf_event_enable_on_exec(int ctxn)
{
- struct perf_event_context *clone_ctx = NULL;
+ struct perf_event_context *ctx, *clone_ctx = NULL;
struct perf_event *event;
unsigned long flags;
int enabled = 0;
int ret;
local_irq_save(flags);
+ ctx = current->perf_event_ctxp[ctxn];
if (!ctx || !ctx->nr_events)
goto out;
@@ -3205,17 +3206,11 @@ out:
void perf_event_exec(void)
{
- struct perf_event_context *ctx;
int ctxn;
rcu_read_lock();
- for_each_task_context_nr(ctxn) {
- ctx = current->perf_event_ctxp[ctxn];
- if (!ctx)
- continue;
-
- perf_event_enable_on_exec(ctx);
- }
+ for_each_task_context_nr(ctxn)
+ perf_event_enable_on_exec(ctxn);
rcu_read_unlock();
}
@@ -6493,9 +6488,6 @@ struct swevent_htable {
/* Recursion avoidance in each contexts */
int recursion[PERF_NR_CONTEXTS];
-
- /* Keeps track of cpu being initialized/exited */
- bool online;
};
static DEFINE_PER_CPU(struct swevent_htable, swevent_htable);
@@ -6753,14 +6745,8 @@ static int perf_swevent_add(struct perf_event *event, int flags)
hwc->state = !(flags & PERF_EF_START);
head = find_swevent_head(swhash, event);
- if (!head) {
- /*
- * We can race with cpu hotplug code. Do not
- * WARN if the cpu just got unplugged.
- */
- WARN_ON_ONCE(swhash->online);
+ if (WARN_ON_ONCE(!head))
return -EINVAL;
- }
hlist_add_head_rcu(&event->hlist_entry, head);
perf_event_update_userpage(event);
@@ -6828,7 +6814,6 @@ static int swevent_hlist_get_cpu(struct perf_event *event, int cpu)
int err = 0;
mutex_lock(&swhash->hlist_mutex);
-
if (!swevent_hlist_deref(swhash) && cpu_online(cpu)) {
struct swevent_hlist *hlist;
@@ -9291,7 +9276,6 @@ static void perf_event_init_cpu(int cpu)
struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu);
mutex_lock(&swhash->hlist_mutex);
- swhash->online = true;
if (swhash->hlist_refcount > 0) {
struct swevent_hlist *hlist;
@@ -9333,14 +9317,7 @@ static void perf_event_exit_cpu_context(int cpu)
static void perf_event_exit_cpu(int cpu)
{
- struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu);
-
perf_event_exit_cpu_context(cpu);
-
- mutex_lock(&swhash->hlist_mutex);
- swhash->online = false;
- swevent_hlist_release(swhash);
- mutex_unlock(&swhash->hlist_mutex);
}
#else
static inline void perf_event_exit_cpu(int cpu) { }
diff --git a/kernel/fork.c b/kernel/fork.c
index fce002ee3ddf..1155eac61687 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -380,6 +380,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
#endif
tsk->splice_pipe = NULL;
tsk->task_frag.page = NULL;
+ tsk->wake_q.next = NULL;
account_kernel_stack(ti, 1);
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 0eebaeef317b..6ead200370da 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1434,6 +1434,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
if (!desc)
return NULL;
+ chip_bus_lock(desc);
raw_spin_lock_irqsave(&desc->lock, flags);
/*
@@ -1447,7 +1448,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
if (!action) {
WARN(1, "Trying to free already-free IRQ %d\n", irq);
raw_spin_unlock_irqrestore(&desc->lock, flags);
-
+ chip_bus_sync_unlock(desc);
return NULL;
}
@@ -1475,6 +1476,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
#endif
raw_spin_unlock_irqrestore(&desc->lock, flags);
+ chip_bus_sync_unlock(desc);
unregister_handler_proc(irq, action);
@@ -1553,9 +1555,7 @@ void free_irq(unsigned int irq, void *dev_id)
desc->affinity_notify = NULL;
#endif
- chip_bus_lock(desc);
kfree(__free_irq(irq, dev_id));
- chip_bus_sync_unlock(desc);
}
EXPORT_SYMBOL(free_irq);
diff --git a/kernel/locking/osq_lock.c b/kernel/locking/osq_lock.c
index d092a0c9c2d4..05a37857ab55 100644
--- a/kernel/locking/osq_lock.c
+++ b/kernel/locking/osq_lock.c
@@ -93,10 +93,12 @@ bool osq_lock(struct optimistic_spin_queue *lock)
node->cpu = curr;
/*
- * ACQUIRE semantics, pairs with corresponding RELEASE
- * in unlock() uncontended, or fastpath.
+ * We need both ACQUIRE (pairs with corresponding RELEASE in
+ * unlock() uncontended, or fastpath) and RELEASE (to publish
+ * the node fields we just initialised) semantics when updating
+ * the lock tail.
*/
- old = atomic_xchg_acquire(&lock->tail, curr);
+ old = atomic_xchg(&lock->tail, curr);
if (old == OSQ_UNLOCKED_VAL)
return true;
diff --git a/kernel/module.c b/kernel/module.c
index 8f051a106676..38c7bd5583ff 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3571,6 +3571,12 @@ static int load_module(struct load_info *info, const char __user *uargs,
synchronize_sched();
mutex_unlock(&module_mutex);
free_module:
+ /*
+ * Ftrace needs to clean up what it initialized.
+ * This does nothing if ftrace_module_init() wasn't called,
+ * but it must be called outside of module_mutex.
+ */
+ ftrace_release_mod(mod);
/* Free lock-classes; relies on the preceding sync_rcu() */
lockdep_free_key_range(mod->module_core, mod->core_size);
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 90e26b11deaa..cfdc0e61066c 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2689,7 +2689,7 @@ static inline int update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq)
int decayed, removed = 0;
if (atomic_long_read(&cfs_rq->removed_load_avg)) {
- long r = atomic_long_xchg(&cfs_rq->removed_load_avg, 0);
+ s64 r = atomic_long_xchg(&cfs_rq->removed_load_avg, 0);
sa->load_avg = max_t(long, sa->load_avg - r, 0);
sa->load_sum = max_t(s64, sa->load_sum - r * LOAD_AVG_MAX, 0);
removed = 1;
diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c
index 1c2b28536feb..060df67dbdd1 100644
--- a/kernel/trace/trace_printk.c
+++ b/kernel/trace/trace_printk.c
@@ -273,6 +273,7 @@ static const char **find_next(void *v, loff_t *pos)
if (*pos < last_index + start_index)
return __start___tracepoint_str + (*pos - last_index);
+ start_index += last_index;
return find_next_mod_format(start_index, v, fmt, pos);
}
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 8855f019ebe8..d34bd24c2c84 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -1464,7 +1464,7 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size,
entry->type = dma_debug_coherent;
entry->dev = dev;
entry->pfn = page_to_pfn(virt_to_page(virt));
- entry->offset = (size_t) virt & PAGE_MASK;
+ entry->offset = (size_t) virt & ~PAGE_MASK;
entry->size = size;
entry->dev_addr = dma_addr;
entry->direction = DMA_BIDIRECTIONAL;
@@ -1480,7 +1480,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size,
.type = dma_debug_coherent,
.dev = dev,
.pfn = page_to_pfn(virt_to_page(virt)),
- .offset = (size_t) virt & PAGE_MASK,
+ .offset = (size_t) virt & ~PAGE_MASK,
.dev_addr = addr,
.size = size,
.direction = DMA_BIDIRECTIONAL,
diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index a54ff8949f91..51282f579760 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -389,33 +389,31 @@ static bool rhashtable_check_elasticity(struct rhashtable *ht,
return false;
}
-int rhashtable_insert_rehash(struct rhashtable *ht)
+int rhashtable_insert_rehash(struct rhashtable *ht,
+ struct bucket_table *tbl)
{
struct bucket_table *old_tbl;
struct bucket_table *new_tbl;
- struct bucket_table *tbl;
unsigned int size;
int err;
old_tbl = rht_dereference_rcu(ht->tbl, ht);
- tbl = rhashtable_last_table(ht, old_tbl);
size = tbl->size;
+ err = -EBUSY;
+
if (rht_grow_above_75(ht, tbl))
size *= 2;
/* Do not schedule more than one rehash */
else if (old_tbl != tbl)
- return -EBUSY;
+ goto fail;
+
+ err = -ENOMEM;
new_tbl = bucket_table_alloc(ht, size, GFP_ATOMIC);
- if (new_tbl == NULL) {
- /* Schedule async resize/rehash to try allocation
- * non-atomic context.
- */
- schedule_work(&ht->run_work);
- return -ENOMEM;
- }
+ if (new_tbl == NULL)
+ goto fail;
err = rhashtable_rehash_attach(ht, tbl, new_tbl);
if (err) {
@@ -426,12 +424,24 @@ int rhashtable_insert_rehash(struct rhashtable *ht)
schedule_work(&ht->run_work);
return err;
+
+fail:
+ /* Do not fail the insert if someone else did a rehash. */
+ if (likely(rcu_dereference_raw(tbl->future_tbl)))
+ return 0;
+
+ /* Schedule async rehash to retry allocation in process context. */
+ if (err == -ENOMEM)
+ schedule_work(&ht->run_work);
+
+ return err;
}
EXPORT_SYMBOL_GPL(rhashtable_insert_rehash);
-int rhashtable_insert_slow(struct rhashtable *ht, const void *key,
- struct rhash_head *obj,
- struct bucket_table *tbl)
+struct bucket_table *rhashtable_insert_slow(struct rhashtable *ht,
+ const void *key,
+ struct rhash_head *obj,
+ struct bucket_table *tbl)
{
struct rhash_head *head;
unsigned int hash;
@@ -467,7 +477,12 @@ int rhashtable_insert_slow(struct rhashtable *ht, const void *key,
exit:
spin_unlock(rht_bucket_lock(tbl, hash));
- return err;
+ if (err == 0)
+ return NULL;
+ else if (err == -EAGAIN)
+ return tbl;
+ else
+ return ERR_PTR(err);
}
EXPORT_SYMBOL_GPL(rhashtable_insert_slow);
@@ -503,10 +518,11 @@ int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter)
if (!iter->walker)
return -ENOMEM;
- mutex_lock(&ht->mutex);
- iter->walker->tbl = rht_dereference(ht->tbl, ht);
+ spin_lock(&ht->lock);
+ iter->walker->tbl =
+ rcu_dereference_protected(ht->tbl, lockdep_is_held(&ht->lock));
list_add(&iter->walker->list, &iter->walker->tbl->walkers);
- mutex_unlock(&ht->mutex);
+ spin_unlock(&ht->lock);
return 0;
}
@@ -520,10 +536,10 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_init);
*/
void rhashtable_walk_exit(struct rhashtable_iter *iter)
{
- mutex_lock(&iter->ht->mutex);
+ spin_lock(&iter->ht->lock);
if (iter->walker->tbl)
list_del(&iter->walker->list);
- mutex_unlock(&iter->ht->mutex);
+ spin_unlock(&iter->ht->lock);
kfree(iter->walker);
}
EXPORT_SYMBOL_GPL(rhashtable_walk_exit);
@@ -547,14 +563,12 @@ int rhashtable_walk_start(struct rhashtable_iter *iter)
{
struct rhashtable *ht = iter->ht;
- mutex_lock(&ht->mutex);
+ rcu_read_lock();
+ spin_lock(&ht->lock);
if (iter->walker->tbl)
list_del(&iter->walker->list);
-
- rcu_read_lock();
-
- mutex_unlock(&ht->mutex);
+ spin_unlock(&ht->lock);
if (!iter->walker->tbl) {
iter->walker->tbl = rht_dereference_rcu(ht->tbl, ht);
@@ -723,9 +737,6 @@ int rhashtable_init(struct rhashtable *ht,
if (params->nulls_base && params->nulls_base < (1U << RHT_BASE_SHIFT))
return -EINVAL;
- if (params->nelem_hint)
- size = rounded_hashtable_size(params);
-
memset(ht, 0, sizeof(*ht));
mutex_init(&ht->mutex);
spin_lock_init(&ht->lock);
@@ -745,6 +756,9 @@ int rhashtable_init(struct rhashtable *ht,
ht->p.min_size = max(ht->p.min_size, HASH_MIN_SIZE);
+ if (params->nelem_hint)
+ size = rounded_hashtable_size(&ht->p);
+
/* The maximum (not average) chain length grows with the
* size of the hash table, at a rate of (log N)/(log log N).
* The value of 16 is selected so that even if the hash
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index e234c21a5e6c..fc10620967c7 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -903,14 +903,20 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root,
if (prev && reclaim->generation != iter->generation)
goto out_unlock;
- do {
+ while (1) {
pos = READ_ONCE(iter->position);
+ if (!pos || css_tryget(&pos->css))
+ break;
/*
- * A racing update may change the position and
- * put the last reference, hence css_tryget(),
- * or retry to see the updated position.
+ * css reference reached zero, so iter->position will
+ * be cleared by ->css_released. However, we should not
+ * rely on this happening soon, because ->css_released
+ * is called from a work queue, and by busy-waiting we
+ * might block it. So we clear iter->position right
+ * away.
*/
- } while (pos && !css_tryget(&pos->css));
+ (void)cmpxchg(&iter->position, pos, NULL);
+ }
}
if (pos)
@@ -956,17 +962,13 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root,
}
if (reclaim) {
- if (cmpxchg(&iter->position, pos, memcg) == pos) {
- if (memcg)
- css_get(&memcg->css);
- if (pos)
- css_put(&pos->css);
- }
-
/*
- * pairs with css_tryget when dereferencing iter->position
- * above.
+ * The position could have already been updated by a competing
+ * thread, so check that the value hasn't changed since we read
+ * it to avoid reclaiming from the same cgroup twice.
*/
+ (void)cmpxchg(&iter->position, pos, memcg);
+
if (pos)
css_put(&pos->css);
@@ -999,6 +1001,28 @@ void mem_cgroup_iter_break(struct mem_cgroup *root,
css_put(&prev->css);
}
+static void invalidate_reclaim_iterators(struct mem_cgroup *dead_memcg)
+{
+ struct mem_cgroup *memcg = dead_memcg;
+ struct mem_cgroup_reclaim_iter *iter;
+ struct mem_cgroup_per_zone *mz;
+ int nid, zid;
+ int i;
+
+ while ((memcg = parent_mem_cgroup(memcg))) {
+ for_each_node(nid) {
+ for (zid = 0; zid < MAX_NR_ZONES; zid++) {
+ mz = &memcg->nodeinfo[nid]->zoneinfo[zid];
+ for (i = 0; i <= DEF_PRIORITY; i++) {
+ iter = &mz->iter[i];
+ cmpxchg(&iter->position,
+ dead_memcg, NULL);
+ }
+ }
+ }
+ }
+}
+
/*
* Iteration constructs for visiting all cgroups (under a tree). If
* loops are exited prematurely (break), mem_cgroup_iter_break() must
@@ -4324,6 +4348,13 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css)
wb_memcg_offline(memcg);
}
+static void mem_cgroup_css_released(struct cgroup_subsys_state *css)
+{
+ struct mem_cgroup *memcg = mem_cgroup_from_css(css);
+
+ invalidate_reclaim_iterators(memcg);
+}
+
static void mem_cgroup_css_free(struct cgroup_subsys_state *css)
{
struct mem_cgroup *memcg = mem_cgroup_from_css(css);
@@ -5185,6 +5216,7 @@ struct cgroup_subsys memory_cgrp_subsys = {
.css_alloc = mem_cgroup_css_alloc,
.css_online = mem_cgroup_css_online,
.css_offline = mem_cgroup_css_offline,
+ .css_released = mem_cgroup_css_released,
.css_free = mem_cgroup_css_free,
.css_reset = mem_cgroup_css_reset,
.can_attach = mem_cgroup_can_attach,
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 67d488ab495e..a042a9d537bb 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1375,23 +1375,30 @@ int is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages)
*/
int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn)
{
- unsigned long pfn;
+ unsigned long pfn, sec_end_pfn;
struct zone *zone = NULL;
struct page *page;
int i;
- for (pfn = start_pfn;
+ for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn);
pfn < end_pfn;
- pfn += MAX_ORDER_NR_PAGES) {
- i = 0;
- /* This is just a CONFIG_HOLES_IN_ZONE check.*/
- while ((i < MAX_ORDER_NR_PAGES) && !pfn_valid_within(pfn + i))
- i++;
- if (i == MAX_ORDER_NR_PAGES)
+ pfn = sec_end_pfn + 1, sec_end_pfn += PAGES_PER_SECTION) {
+ /* Make sure the memory section is present first */
+ if (!present_section_nr(pfn_to_section_nr(pfn)))
continue;
- page = pfn_to_page(pfn + i);
- if (zone && page_zone(page) != zone)
- return 0;
- zone = page_zone(page);
+ for (; pfn < sec_end_pfn && pfn < end_pfn;
+ pfn += MAX_ORDER_NR_PAGES) {
+ i = 0;
+ /* This is just a CONFIG_HOLES_IN_ZONE check.*/
+ while ((i < MAX_ORDER_NR_PAGES) &&
+ !pfn_valid_within(pfn + i))
+ i++;
+ if (i == MAX_ORDER_NR_PAGES)
+ continue;
+ page = pfn_to_page(pfn + i);
+ if (zone && page_zone(page) != zone)
+ return 0;
+ zone = page_zone(page);
+ }
}
return 1;
}
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 0d5712b0206c..c54fd2924f25 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -219,7 +219,7 @@ void set_pgdat_percpu_threshold(pg_data_t *pgdat,
* particular counter cannot be updated from interrupt context.
*/
void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
- int delta)
+ long delta)
{
struct per_cpu_pageset __percpu *pcp = zone->pageset;
s8 __percpu *p = pcp->vm_stat_diff + item;
@@ -318,8 +318,8 @@ EXPORT_SYMBOL(__dec_zone_page_state);
* 1 Overstepping half of threshold
* -1 Overstepping minus half of threshold
*/
-static inline void mod_state(struct zone *zone,
- enum zone_stat_item item, int delta, int overstep_mode)
+static inline void mod_state(struct zone *zone, enum zone_stat_item item,
+ long delta, int overstep_mode)
{
struct per_cpu_pageset __percpu *pcp = zone->pageset;
s8 __percpu *p = pcp->vm_stat_diff + item;
@@ -357,7 +357,7 @@ static inline void mod_state(struct zone *zone,
}
void mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
- int delta)
+ long delta)
{
mod_state(zone, item, delta, 0);
}
@@ -384,7 +384,7 @@ EXPORT_SYMBOL(dec_zone_page_state);
* Use interrupt disable to serialize counter updates
*/
void mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
- int delta)
+ long delta)
{
unsigned long flags;
@@ -1483,6 +1483,7 @@ static void __init start_shepherd_timer(void)
BUG();
cpumask_copy(cpu_stat_off, cpu_online_mask);
+ vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0);
schedule_delayed_work(&shepherd,
round_jiffies_relative(sysctl_stat_interval));
}
@@ -1550,7 +1551,6 @@ static int __init setup_vmstat(void)
start_shepherd_timer();
cpu_notifier_register_done();
- vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0);
#endif
#ifdef CONFIG_PROC_FS
proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
diff --git a/mm/zswap.c b/mm/zswap.c
index 025f8dc723de..bf14508afd64 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -541,6 +541,7 @@ static struct zswap_pool *zswap_pool_last_get(void)
return last;
}
+/* type and compressor must be null-terminated */
static struct zswap_pool *zswap_pool_find_get(char *type, char *compressor)
{
struct zswap_pool *pool;
@@ -548,10 +549,9 @@ static struct zswap_pool *zswap_pool_find_get(char *type, char *compressor)
assert_spin_locked(&zswap_pools_lock);
list_for_each_entry_rcu(pool, &zswap_pools, list) {
- if (strncmp(pool->tfm_name, compressor, sizeof(pool->tfm_name)))
+ if (strcmp(pool->tfm_name, compressor))
continue;
- if (strncmp(zpool_get_type(pool->zpool), type,
- sizeof(zswap_zpool_type)))
+ if (strcmp(zpool_get_type(pool->zpool), type))
continue;
/* if we can't get it, it's about to be destroyed */
if (!zswap_pool_get(pool))
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index ae3a47f9d1d5..fbd0acf80b13 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -805,6 +805,9 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol,
struct sock *sk;
ax25_cb *ax25;
+ if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
+ return -EINVAL;
+
if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 83bc1aaf5800..a49c705fb86b 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -566,6 +566,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst)
int select;
batadv_dat_addr_t last_max = BATADV_DAT_ADDR_MAX, ip_key;
struct batadv_dat_candidate *res;
+ struct batadv_dat_entry dat;
if (!bat_priv->orig_hash)
return NULL;
@@ -575,7 +576,9 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst)
if (!res)
return NULL;
- ip_key = (batadv_dat_addr_t)batadv_hash_dat(&ip_dst,
+ dat.ip = ip_dst;
+ dat.vid = 0;
+ ip_key = (batadv_dat_addr_t)batadv_hash_dat(&dat,
BATADV_DAT_ADDR_MAX);
batadv_dbg(BATADV_DBG_DAT, bat_priv,
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 8d990b070a2e..3207667e69de 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -836,6 +836,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
u8 *orig_addr;
struct batadv_orig_node *orig_node = NULL;
int check, hdr_size = sizeof(*unicast_packet);
+ enum batadv_subtype subtype;
bool is4addr;
unicast_packet = (struct batadv_unicast_packet *)skb->data;
@@ -863,10 +864,20 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
/* packet for me */
if (batadv_is_my_mac(bat_priv, unicast_packet->dest)) {
if (is4addr) {
- batadv_dat_inc_counter(bat_priv,
- unicast_4addr_packet->subtype);
- orig_addr = unicast_4addr_packet->src;
- orig_node = batadv_orig_hash_find(bat_priv, orig_addr);
+ subtype = unicast_4addr_packet->subtype;
+ batadv_dat_inc_counter(bat_priv, subtype);
+
+ /* Only payload data should be considered for speedy
+ * join. For example, DAT also uses unicast 4addr
+ * types, but those packets should not be considered
+ * for speedy join, since the clients do not actually
+ * reside at the sending originator.
+ */
+ if (subtype == BATADV_P_DATA) {
+ orig_addr = unicast_4addr_packet->src;
+ orig_node = batadv_orig_hash_find(bat_priv,
+ orig_addr);
+ }
}
if (batadv_dat_snoop_incoming_arp_request(bat_priv, skb,
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 4228b10c47ea..76f19ba62462 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -68,13 +68,15 @@ static void batadv_tt_global_del(struct batadv_priv *bat_priv,
unsigned short vid, const char *message,
bool roaming);
-/* returns 1 if they are the same mac addr */
+/* returns 1 if they are the same mac addr and vid */
static int batadv_compare_tt(const struct hlist_node *node, const void *data2)
{
const void *data1 = container_of(node, struct batadv_tt_common_entry,
hash_entry);
+ const struct batadv_tt_common_entry *tt1 = data1;
+ const struct batadv_tt_common_entry *tt2 = data2;
- return batadv_compare_eth(data1, data2);
+ return (tt1->vid == tt2->vid) && batadv_compare_eth(data1, data2);
}
/**
@@ -1427,9 +1429,15 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
}
/* if the client was temporary added before receiving the first
- * OGM announcing it, we have to clear the TEMP flag
+ * OGM announcing it, we have to clear the TEMP flag. Also,
+ * remove the previous temporary orig node and re-add it
+ * if required. If the orig entry changed, the new one which
+ * is a non-temporary entry is preferred.
*/
- common->flags &= ~BATADV_TT_CLIENT_TEMP;
+ if (common->flags & BATADV_TT_CLIENT_TEMP) {
+ batadv_tt_global_del_orig_list(tt_global_entry);
+ common->flags &= ~BATADV_TT_CLIENT_TEMP;
+ }
/* the change can carry possible "attribute" flags like the
* TT_CLIENT_WIFI, therefore they have to be copied in the
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index fe129663bd3f..f52bcbf2e58c 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -526,6 +526,9 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr,
if (!addr || addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
+ if (addr_len < sizeof(struct sockaddr_sco))
+ return -EINVAL;
+
lock_sock(sk);
if (sk->sk_state != BT_OPEN) {
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 5396ff08af32..8a7ada8bb947 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -39,7 +39,7 @@ void br_init_port(struct net_bridge_port *p)
struct switchdev_attr attr = {
.id = SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
.flags = SWITCHDEV_F_SKIP_EOPNOTSUPP | SWITCHDEV_F_DEFER,
- .u.ageing_time = p->br->ageing_time,
+ .u.ageing_time = jiffies_to_clock_t(p->br->ageing_time),
};
int err;
@@ -142,7 +142,10 @@ static void br_stp_start(struct net_bridge *br)
char *envp[] = { NULL };
struct net_bridge_port *p;
- r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC);
+ if (net_eq(dev_net(br->dev), &init_net))
+ r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC);
+ else
+ r = -ENOENT;
spin_lock_bh(&br->lock);
diff --git a/net/core/dst.c b/net/core/dst.c
index e6dc77252fe9..a1656e3b8d72 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -301,12 +301,13 @@ void dst_release(struct dst_entry *dst)
{
if (dst) {
int newrefcnt;
+ unsigned short nocache = dst->flags & DST_NOCACHE;
newrefcnt = atomic_dec_return(&dst->__refcnt);
if (unlikely(newrefcnt < 0))
net_warn_ratelimited("%s: dst:%p refcnt:%d\n",
__func__, dst, newrefcnt);
- if (!newrefcnt && unlikely(dst->flags & DST_NOCACHE))
+ if (!newrefcnt && unlikely(nocache))
call_rcu(&dst->rcu_head, dst_destroy_rcu);
}
}
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 152b9c70e252..b2df375ec9c2 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3643,7 +3643,8 @@ static void __skb_complete_tx_timestamp(struct sk_buff *skb,
serr->ee.ee_info = tstype;
if (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID) {
serr->ee.ee_data = skb_shinfo(skb)->tskey;
- if (sk->sk_protocol == IPPROTO_TCP)
+ if (sk->sk_protocol == IPPROTO_TCP &&
+ sk->sk_type == SOCK_STREAM)
serr->ee.ee_data -= sk->sk_tskey;
}
@@ -4268,7 +4269,7 @@ static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
return NULL;
}
- memmove(skb->data - ETH_HLEN, skb->data - skb->mac_len,
+ memmove(skb->data - ETH_HLEN, skb->data - skb->mac_len - VLAN_HLEN,
2 * ETH_ALEN);
skb->mac_header += VLAN_HLEN;
return skb;
diff --git a/net/core/sock.c b/net/core/sock.c
index e31dfcee1729..0d91f7dca751 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -433,8 +433,6 @@ static bool sock_needs_netstamp(const struct sock *sk)
}
}
-#define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE))
-
static void sock_disable_timestamp(struct sock *sk, unsigned long flags)
{
if (sk->sk_flags & flags) {
@@ -874,7 +872,8 @@ set_rcvbuf:
if (val & SOF_TIMESTAMPING_OPT_ID &&
!(sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID)) {
- if (sk->sk_protocol == IPPROTO_TCP) {
+ if (sk->sk_protocol == IPPROTO_TCP &&
+ sk->sk_type == SOCK_STREAM) {
if (sk->sk_state != TCP_ESTABLISHED) {
ret = -EINVAL;
break;
@@ -1552,7 +1551,7 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
*/
is_charged = sk_filter_charge(newsk, filter);
- if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk))) {
+ if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk, sk))) {
/* It is still raw copy of parent, so invalidate
* destructor and make plain sk_free() */
newsk->sk_destruct = NULL;
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index eebf5ac8ce18..13d6b1a6e0fc 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -678,6 +678,9 @@ static int dn_create(struct net *net, struct socket *sock, int protocol,
{
struct sock *sk;
+ if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
+ return -EINVAL;
+
if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 11c4ca13ec3b..5c5db6636704 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -257,6 +257,9 @@ static int inet_create(struct net *net, struct socket *sock, int protocol,
int try_loading_module = 0;
int err;
+ if (protocol < 0 || protocol >= IPPROTO_MAX)
+ return -EINVAL;
+
sock->state = SS_UNCONNECTED;
/* Look for the requested type/protocol pair. */
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index cc8f3e506cde..473447593060 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1155,6 +1155,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
static int fib_netdev_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+ struct netdev_notifier_changeupper_info *info;
struct in_device *in_dev;
struct net *net = dev_net(dev);
unsigned int flags;
@@ -1193,6 +1194,14 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
case NETDEV_CHANGEMTU:
rt_cache_flush(net);
break;
+ case NETDEV_CHANGEUPPER:
+ info = ptr;
+ /* flush all routes if dev is linked to or unlinked from
+ * an L3 master device (e.g., VRF)
+ */
+ if (info->upper_dev && netif_is_l3_master(info->upper_dev))
+ fib_disable_ip(dev, NETDEV_DOWN, true);
+ break;
}
return NOTIFY_DONE;
}
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index e0fcbbbcfe54..bd903fe0f750 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -24,6 +24,7 @@ struct fou {
u16 type;
struct udp_offload udp_offloads;
struct list_head list;
+ struct rcu_head rcu;
};
#define FOU_F_REMCSUM_NOPARTIAL BIT(0)
@@ -417,7 +418,7 @@ static void fou_release(struct fou *fou)
list_del(&fou->list);
udp_tunnel_sock_release(sock);
- kfree(fou);
+ kfree_rcu(fou, rcu);
}
static int fou_encap_init(struct sock *sk, struct fou *fou, struct fou_cfg *cfg)
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index f34c31defafe..a09fb0dec725 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -253,9 +253,6 @@ ipip_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
p.i_key = p.o_key = 0;
p.i_flags = p.o_flags = 0;
- if (p.iph.ttl)
- p.iph.frag_off |= htons(IP_DF);
-
err = ip_tunnel_ioctl(dev, &p, cmd);
if (err)
return err;
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index a35584176535..c187c60e3e0c 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -60,6 +60,7 @@ config NFT_REJECT_IPV4
config NFT_DUP_IPV4
tristate "IPv4 nf_tables packet duplication support"
+ depends on !NF_CONNTRACK || NF_CONNTRACK
select NF_DUP_IPV4
help
This module enables IPv4 packet duplication support for nf_tables.
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 63e5be0abd86..bc35f1842512 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -601,8 +601,11 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
(inet->hdrincl ? FLOWI_FLAG_KNOWN_NH : 0),
daddr, saddr, 0, 0);
- if (!saddr && ipc.oif)
- l3mdev_get_saddr(net, ipc.oif, &fl4);
+ if (!saddr && ipc.oif) {
+ err = l3mdev_get_saddr(net, ipc.oif, &fl4);
+ if (err < 0)
+ goto done;
+ }
if (!inet->hdrincl) {
rfv.msg = msg;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 2d656eef7f8e..d4c51158470f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2478,6 +2478,9 @@ static void tcp_cwnd_reduction(struct sock *sk, const int prior_unsacked,
int newly_acked_sacked = prior_unsacked -
(tp->packets_out - tp->sacked_out);
+ if (newly_acked_sacked <= 0 || WARN_ON_ONCE(!tp->prior_cwnd))
+ return;
+
tp->prr_delivered += newly_acked_sacked;
if (delta < 0) {
u64 dividend = (u64)tp->snd_ssthresh * tp->prr_delivered +
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index db003438aaf5..d8841a2f1569 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1493,7 +1493,7 @@ bool tcp_prequeue(struct sock *sk, struct sk_buff *skb)
if (likely(sk->sk_rx_dst))
skb_dst_drop(skb);
else
- skb_dst_force(skb);
+ skb_dst_force_safe(skb);
__skb_queue_tail(&tp->ucopy.prequeue, skb);
tp->ucopy.memory += skb->truesize;
@@ -1721,8 +1721,7 @@ void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
- if (dst) {
- dst_hold(dst);
+ if (dst && dst_hold_safe(dst)) {
sk->sk_rx_dst = dst;
inet_sk(sk)->rx_dst_ifindex = skb->skb_iif;
}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index cb7ca569052c..9bfc39ff2285 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3150,7 +3150,7 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
{
struct tcp_sock *tp = tcp_sk(sk);
struct tcp_fastopen_request *fo = tp->fastopen_req;
- int syn_loss = 0, space, err = 0, copied;
+ int syn_loss = 0, space, err = 0;
unsigned long last_syn_loss = 0;
struct sk_buff *syn_data;
@@ -3188,17 +3188,18 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
goto fallback;
syn_data->ip_summed = CHECKSUM_PARTIAL;
memcpy(syn_data->cb, syn->cb, sizeof(syn->cb));
- copied = copy_from_iter(skb_put(syn_data, space), space,
- &fo->data->msg_iter);
- if (unlikely(!copied)) {
- kfree_skb(syn_data);
- goto fallback;
- }
- if (copied != space) {
- skb_trim(syn_data, copied);
- space = copied;
+ if (space) {
+ int copied = copy_from_iter(skb_put(syn_data, space), space,
+ &fo->data->msg_iter);
+ if (unlikely(!copied)) {
+ kfree_skb(syn_data);
+ goto fallback;
+ }
+ if (copied != space) {
+ skb_trim(syn_data, copied);
+ space = copied;
+ }
}
-
/* No more data pending in inet_wait_for_connect() */
if (space == fo->size)
fo->data = NULL;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 0c7b0e61b917..c43890848641 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1025,8 +1025,11 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
flow_flags,
faddr, saddr, dport, inet->inet_sport);
- if (!saddr && ipc.oif)
- l3mdev_get_saddr(net, ipc.oif, fl4);
+ if (!saddr && ipc.oif) {
+ err = l3mdev_get_saddr(net, ipc.oif, fl4);
+ if (err < 0)
+ goto out;
+ }
security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
rt = ip_route_output_flow(net, fl4, sk);
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 1e0c3c835a63..7b0edb37a115 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -259,7 +259,7 @@ static void xfrm4_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
xfrm_dst_ifdown(dst, dev);
}
-static struct dst_ops xfrm4_dst_ops = {
+static struct dst_ops xfrm4_dst_ops_template = {
.family = AF_INET,
.gc = xfrm4_garbage_collect,
.update_pmtu = xfrm4_update_pmtu,
@@ -273,7 +273,7 @@ static struct dst_ops xfrm4_dst_ops = {
static struct xfrm_policy_afinfo xfrm4_policy_afinfo = {
.family = AF_INET,
- .dst_ops = &xfrm4_dst_ops,
+ .dst_ops = &xfrm4_dst_ops_template,
.dst_lookup = xfrm4_dst_lookup,
.get_saddr = xfrm4_get_saddr,
.decode_session = _decode_session4,
@@ -295,7 +295,7 @@ static struct ctl_table xfrm4_policy_table[] = {
{ }
};
-static int __net_init xfrm4_net_init(struct net *net)
+static int __net_init xfrm4_net_sysctl_init(struct net *net)
{
struct ctl_table *table;
struct ctl_table_header *hdr;
@@ -323,7 +323,7 @@ err_alloc:
return -ENOMEM;
}
-static void __net_exit xfrm4_net_exit(struct net *net)
+static void __net_exit xfrm4_net_sysctl_exit(struct net *net)
{
struct ctl_table *table;
@@ -335,12 +335,44 @@ static void __net_exit xfrm4_net_exit(struct net *net)
if (!net_eq(net, &init_net))
kfree(table);
}
+#else /* CONFIG_SYSCTL */
+static int inline xfrm4_net_sysctl_init(struct net *net)
+{
+ return 0;
+}
+
+static void inline xfrm4_net_sysctl_exit(struct net *net)
+{
+}
+#endif
+
+static int __net_init xfrm4_net_init(struct net *net)
+{
+ int ret;
+
+ memcpy(&net->xfrm.xfrm4_dst_ops, &xfrm4_dst_ops_template,
+ sizeof(xfrm4_dst_ops_template));
+ ret = dst_entries_init(&net->xfrm.xfrm4_dst_ops);
+ if (ret)
+ return ret;
+
+ ret = xfrm4_net_sysctl_init(net);
+ if (ret)
+ dst_entries_destroy(&net->xfrm.xfrm4_dst_ops);
+
+ return ret;
+}
+
+static void __net_exit xfrm4_net_exit(struct net *net)
+{
+ xfrm4_net_sysctl_exit(net);
+ dst_entries_destroy(&net->xfrm.xfrm4_dst_ops);
+}
static struct pernet_operations __net_initdata xfrm4_net_ops = {
.init = xfrm4_net_init,
.exit = xfrm4_net_exit,
};
-#endif
static void __init xfrm4_policy_init(void)
{
@@ -349,13 +381,9 @@ static void __init xfrm4_policy_init(void)
void __init xfrm4_init(void)
{
- dst_entries_init(&xfrm4_dst_ops);
-
xfrm4_state_init();
xfrm4_policy_init();
xfrm4_protocol_init();
-#ifdef CONFIG_SYSCTL
register_pernet_subsys(&xfrm4_net_ops);
-#endif
}
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 61f26851655c..1f21087accab 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -350,6 +350,12 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
setup_timer(&ndev->rs_timer, addrconf_rs_timer,
(unsigned long)ndev);
memcpy(&ndev->cnf, dev_net(dev)->ipv6.devconf_dflt, sizeof(ndev->cnf));
+
+ if (ndev->cnf.stable_secret.initialized)
+ ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY;
+ else
+ ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_EUI64;
+
ndev->cnf.mtu6 = dev->mtu;
ndev->cnf.sysctl = NULL;
ndev->nd_parms = neigh_parms_alloc(dev, &nd_tbl);
@@ -2455,7 +2461,7 @@ ok:
#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
if (in6_dev->cnf.optimistic_dad &&
!net->ipv6.devconf_all->forwarding && sllao)
- addr_flags = IFA_F_OPTIMISTIC;
+ addr_flags |= IFA_F_OPTIMISTIC;
#endif
/* Do not allow to create too much of autoconfigured
@@ -5363,13 +5369,10 @@ static int addrconf_sysctl_stable_secret(struct ctl_table *ctl, int write,
goto out;
}
- if (!write) {
- err = snprintf(str, sizeof(str), "%pI6",
- &secret->secret);
- if (err >= sizeof(str)) {
- err = -EIO;
- goto out;
- }
+ err = snprintf(str, sizeof(str), "%pI6", &secret->secret);
+ if (err >= sizeof(str)) {
+ err = -EIO;
+ goto out;
}
err = proc_dostring(&lctl, write, buffer, lenp, ppos);
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 882124ebb438..a8f6986dcbe5 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -552,7 +552,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr *nlh)
rcu_read_lock();
p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr), ifal->ifal_index);
- if (p && ip6addrlbl_hold(p))
+ if (p && !ip6addrlbl_hold(p))
p = NULL;
lseq = ip6addrlbl_table.seq;
rcu_read_unlock();
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 8ec0df75f1c4..9f5137cd604e 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -109,6 +109,9 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol,
int try_loading_module = 0;
int err;
+ if (protocol < 0 || protocol >= IPPROTO_MAX)
+ return -EINVAL;
+
/* Look for the requested type/protocol pair. */
lookup_protocol:
err = -ESOCKTNOSUPPORT;
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 3c7b9310b33f..e5ea177d34c6 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1571,13 +1571,11 @@ static int ip6gre_changelink(struct net_device *dev, struct nlattr *tb[],
return -EEXIST;
} else {
t = nt;
-
- ip6gre_tunnel_unlink(ign, t);
- ip6gre_tnl_change(t, &p, !tb[IFLA_MTU]);
- ip6gre_tunnel_link(ign, t);
- netdev_state_change(dev);
}
+ ip6gre_tunnel_unlink(ign, t);
+ ip6gre_tnl_change(t, &p, !tb[IFLA_MTU]);
+ ip6gre_tunnel_link(ign, t);
return 0;
}
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index d6161e1c48c8..84afb9a77278 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1183,7 +1183,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
*/
if (!in6_dev->cnf.accept_ra_from_local &&
ipv6_chk_addr(dev_net(in6_dev->dev), &ipv6_hdr(skb)->saddr,
- NULL, 0)) {
+ in6_dev->dev, 0)) {
ND_PRINTK(2, info,
"RA from local address detected on dev: %s: default router ignored\n",
skb->dev->name);
@@ -1337,7 +1337,7 @@ skip_linkparms:
#ifdef CONFIG_IPV6_ROUTE_INFO
if (!in6_dev->cnf.accept_ra_from_local &&
ipv6_chk_addr(dev_net(in6_dev->dev), &ipv6_hdr(skb)->saddr,
- NULL, 0)) {
+ in6_dev->dev, 0)) {
ND_PRINTK(2, info,
"RA from local address detected on dev: %s: router info ignored.\n",
skb->dev->name);
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index f6a024e141e5..e10a04c9cdc7 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -49,6 +49,7 @@ config NFT_REJECT_IPV6
config NFT_DUP_IPV6
tristate "IPv6 nf_tables packet duplication support"
+ depends on !NF_CONNTRACK || NF_CONNTRACK
select NF_DUP_IPV6
help
This module enables IPv6 packet duplication support for nf_tables.
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index e7aab561b7b4..6b8a8a9091fa 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -93,10 +93,9 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
- if (dst) {
+ if (dst && dst_hold_safe(dst)) {
const struct rt6_info *rt = (const struct rt6_info *)dst;
- dst_hold(dst);
sk->sk_rx_dst = dst;
inet_sk(sk)->rx_dst_ifindex = skb->skb_iif;
inet6_sk(sk)->rx_dst_cookie = rt6_get_cookie(rt);
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 5643423fe67a..c074771a10f7 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -279,7 +279,7 @@ static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
xfrm_dst_ifdown(dst, dev);
}
-static struct dst_ops xfrm6_dst_ops = {
+static struct dst_ops xfrm6_dst_ops_template = {
.family = AF_INET6,
.gc = xfrm6_garbage_collect,
.update_pmtu = xfrm6_update_pmtu,
@@ -293,7 +293,7 @@ static struct dst_ops xfrm6_dst_ops = {
static struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
.family = AF_INET6,
- .dst_ops = &xfrm6_dst_ops,
+ .dst_ops = &xfrm6_dst_ops_template,
.dst_lookup = xfrm6_dst_lookup,
.get_saddr = xfrm6_get_saddr,
.decode_session = _decode_session6,
@@ -325,7 +325,7 @@ static struct ctl_table xfrm6_policy_table[] = {
{ }
};
-static int __net_init xfrm6_net_init(struct net *net)
+static int __net_init xfrm6_net_sysctl_init(struct net *net)
{
struct ctl_table *table;
struct ctl_table_header *hdr;
@@ -353,7 +353,7 @@ err_alloc:
return -ENOMEM;
}
-static void __net_exit xfrm6_net_exit(struct net *net)
+static void __net_exit xfrm6_net_sysctl_exit(struct net *net)
{
struct ctl_table *table;
@@ -365,24 +365,52 @@ static void __net_exit xfrm6_net_exit(struct net *net)
if (!net_eq(net, &init_net))
kfree(table);
}
+#else /* CONFIG_SYSCTL */
+static int inline xfrm6_net_sysctl_init(struct net *net)
+{
+ return 0;
+}
+
+static void inline xfrm6_net_sysctl_exit(struct net *net)
+{
+}
+#endif
+
+static int __net_init xfrm6_net_init(struct net *net)
+{
+ int ret;
+
+ memcpy(&net->xfrm.xfrm6_dst_ops, &xfrm6_dst_ops_template,
+ sizeof(xfrm6_dst_ops_template));
+ ret = dst_entries_init(&net->xfrm.xfrm6_dst_ops);
+ if (ret)
+ return ret;
+
+ ret = xfrm6_net_sysctl_init(net);
+ if (ret)
+ dst_entries_destroy(&net->xfrm.xfrm6_dst_ops);
+
+ return ret;
+}
+
+static void __net_exit xfrm6_net_exit(struct net *net)
+{
+ xfrm6_net_sysctl_exit(net);
+ dst_entries_destroy(&net->xfrm.xfrm6_dst_ops);
+}
static struct pernet_operations xfrm6_net_ops = {
.init = xfrm6_net_init,
.exit = xfrm6_net_exit,
};
-#endif
int __init xfrm6_init(void)
{
int ret;
- dst_entries_init(&xfrm6_dst_ops);
-
ret = xfrm6_policy_init();
- if (ret) {
- dst_entries_destroy(&xfrm6_dst_ops);
+ if (ret)
goto out;
- }
ret = xfrm6_state_init();
if (ret)
goto out_policy;
@@ -391,9 +419,7 @@ int __init xfrm6_init(void)
if (ret)
goto out_state;
-#ifdef CONFIG_SYSCTL
register_pernet_subsys(&xfrm6_net_ops);
-#endif
out:
return ret;
out_state:
@@ -405,11 +431,8 @@ out_policy:
void xfrm6_fini(void)
{
-#ifdef CONFIG_SYSCTL
unregister_pernet_subsys(&xfrm6_net_ops);
-#endif
xfrm6_protocol_fini();
xfrm6_policy_fini();
xfrm6_state_fini();
- dst_entries_destroy(&xfrm6_dst_ops);
}
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index e6aa48b5395c..923abd6b3064 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1086,6 +1086,9 @@ static int irda_create(struct net *net, struct socket *sock, int protocol,
struct sock *sk;
struct irda_sock *self;
+ if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
+ return -EINVAL;
+
if (net != &init_net)
return -EAFNOSUPPORT;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index da471eef07bb..c12f348138ac 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1169,8 +1169,7 @@ static int sta_apply_parameters(struct ieee80211_local *local,
* rc isn't initialized here yet, so ignore it
*/
__ieee80211_vht_handle_opmode(sdata, sta,
- params->opmode_notif,
- band, false);
+ params->opmode_notif, band);
}
if (ieee80211_vif_is_mesh(&sdata->vif))
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index d832bd59236b..5322b4c71630 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1709,10 +1709,10 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta);
void ieee80211_sta_set_rx_nss(struct sta_info *sta);
u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta, u8 opmode,
- enum ieee80211_band band, bool nss_only);
+ enum ieee80211_band band);
void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta, u8 opmode,
- enum ieee80211_band band, bool nss_only);
+ enum ieee80211_band band);
void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
struct ieee80211_sta_vht_cap *vht_cap);
void ieee80211_get_vht_mask_from_cap(__le16 vht_cap,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index b140cc6651f4..3aa04344942b 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1379,21 +1379,26 @@ static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
*/
if (has_80211h_pwr &&
(!has_cisco_pwr || pwr_level_80211h <= pwr_level_cisco)) {
+ new_ap_level = pwr_level_80211h;
+
+ if (sdata->ap_power_level == new_ap_level)
+ return 0;
+
sdata_dbg(sdata,
"Limiting TX power to %d (%d - %d) dBm as advertised by %pM\n",
pwr_level_80211h, chan_pwr, pwr_reduction_80211h,
sdata->u.mgd.bssid);
- new_ap_level = pwr_level_80211h;
} else { /* has_cisco_pwr is always true here. */
+ new_ap_level = pwr_level_cisco;
+
+ if (sdata->ap_power_level == new_ap_level)
+ return 0;
+
sdata_dbg(sdata,
"Limiting TX power to %d dBm as advertised by %pM\n",
pwr_level_cisco, sdata->u.mgd.bssid);
- new_ap_level = pwr_level_cisco;
}
- if (sdata->ap_power_level == new_ap_level)
- return 0;
-
sdata->ap_power_level = new_ap_level;
if (__ieee80211_recalc_txpower(sdata))
return BSS_CHANGED_TXPOWER;
@@ -3575,7 +3580,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (sta && elems.opmode_notif)
ieee80211_vht_handle_opmode(sdata, sta, *elems.opmode_notif,
- rx_status->band, true);
+ rx_status->band);
mutex_unlock(&local->sta_mtx);
changed |= ieee80211_handle_pwr_constr(sdata, chan, mgmt,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 8bae5de0dc44..82af407fea7a 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2736,8 +2736,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
opmode = mgmt->u.action.u.vht_opmode_notif.operating_mode;
ieee80211_vht_handle_opmode(rx->sdata, rx->sta,
- opmode, status->band,
- false);
+ opmode, status->band);
goto handled;
}
default:
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 74058020b7d6..33344f5a66a8 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1641,6 +1641,29 @@ void ieee80211_stop_device(struct ieee80211_local *local)
drv_stop(local);
}
+static void ieee80211_flush_completed_scan(struct ieee80211_local *local,
+ bool aborted)
+{
+ /* It's possible that we don't handle the scan completion in
+ * time during suspend, so if it's still marked as completed
+ * here, queue the work and flush it to clean things up.
+ * Instead of calling the worker function directly here, we
+ * really queue it to avoid potential races with other flows
+ * scheduling the same work.
+ */
+ if (test_bit(SCAN_COMPLETED, &local->scanning)) {
+ /* If coming from reconfiguration failure, abort the scan so
+ * we don't attempt to continue a partial HW scan - which is
+ * possible otherwise if (e.g.) the 2.4 GHz portion was the
+ * completed scan, and a 5 GHz portion is still pending.
+ */
+ if (aborted)
+ set_bit(SCAN_ABORTED, &local->scanning);
+ ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0);
+ flush_delayed_work(&local->scan_work);
+ }
+}
+
static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata;
@@ -1660,6 +1683,8 @@ static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local)
local->suspended = false;
local->in_reconfig = false;
+ ieee80211_flush_completed_scan(local, true);
+
/* scheduled scan clearly can't be running any more, but tell
* cfg80211 and clear local state
*/
@@ -1698,6 +1723,27 @@ static void ieee80211_assign_chanctx(struct ieee80211_local *local,
mutex_unlock(&local->chanctx_mtx);
}
+static void ieee80211_reconfig_stations(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+
+ /* add STAs back */
+ mutex_lock(&local->sta_mtx);
+ list_for_each_entry(sta, &local->sta_list, list) {
+ enum ieee80211_sta_state state;
+
+ if (!sta->uploaded || sta->sdata != sdata)
+ continue;
+
+ for (state = IEEE80211_STA_NOTEXIST;
+ state < sta->sta_state; state++)
+ WARN_ON(drv_sta_state(local, sta->sdata, sta, state,
+ state + 1));
+ }
+ mutex_unlock(&local->sta_mtx);
+}
+
int ieee80211_reconfig(struct ieee80211_local *local)
{
struct ieee80211_hw *hw = &local->hw;
@@ -1833,50 +1879,11 @@ int ieee80211_reconfig(struct ieee80211_local *local)
WARN_ON(drv_add_chanctx(local, ctx));
mutex_unlock(&local->chanctx_mtx);
- list_for_each_entry(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata))
- continue;
- ieee80211_assign_chanctx(local, sdata);
- }
-
sdata = rtnl_dereference(local->monitor_sdata);
if (sdata && ieee80211_sdata_running(sdata))
ieee80211_assign_chanctx(local, sdata);
}
- /* add STAs back */
- mutex_lock(&local->sta_mtx);
- list_for_each_entry(sta, &local->sta_list, list) {
- enum ieee80211_sta_state state;
-
- if (!sta->uploaded)
- continue;
-
- /* AP-mode stations will be added later */
- if (sta->sdata->vif.type == NL80211_IFTYPE_AP)
- continue;
-
- for (state = IEEE80211_STA_NOTEXIST;
- state < sta->sta_state; state++)
- WARN_ON(drv_sta_state(local, sta->sdata, sta, state,
- state + 1));
- }
- mutex_unlock(&local->sta_mtx);
-
- /* reconfigure tx conf */
- if (hw->queues >= IEEE80211_NUM_ACS) {
- list_for_each_entry(sdata, &local->interfaces, list) {
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
- sdata->vif.type == NL80211_IFTYPE_MONITOR ||
- !ieee80211_sdata_running(sdata))
- continue;
-
- for (i = 0; i < IEEE80211_NUM_ACS; i++)
- drv_conf_tx(local, sdata, i,
- &sdata->tx_conf[i]);
- }
- }
-
/* reconfigure hardware */
ieee80211_hw_config(local, ~0);
@@ -1889,6 +1896,22 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (!ieee80211_sdata_running(sdata))
continue;
+ ieee80211_assign_chanctx(local, sdata);
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_MONITOR:
+ break;
+ default:
+ ieee80211_reconfig_stations(sdata);
+ /* fall through */
+ case NL80211_IFTYPE_AP: /* AP stations are handled later */
+ for (i = 0; i < IEEE80211_NUM_ACS; i++)
+ drv_conf_tx(local, sdata, i,
+ &sdata->tx_conf[i]);
+ break;
+ }
+
/* common change flags for all interface types */
changed = BSS_CHANGED_ERP_CTS_PROT |
BSS_CHANGED_ERP_PREAMBLE |
@@ -2074,17 +2097,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mb();
local->resuming = false;
- /* It's possible that we don't handle the scan completion in
- * time during suspend, so if it's still marked as completed
- * here, queue the work and flush it to clean things up.
- * Instead of calling the worker function directly here, we
- * really queue it to avoid potential races with other flows
- * scheduling the same work.
- */
- if (test_bit(SCAN_COMPLETED, &local->scanning)) {
- ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0);
- flush_delayed_work(&local->scan_work);
- }
+ ieee80211_flush_completed_scan(local, false);
if (local->open_count && !reconfig_due_to_wowlan)
drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_SUSPEND);
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index ff1c798921a6..c38b2f07a919 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -378,7 +378,7 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta)
u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta, u8 opmode,
- enum ieee80211_band band, bool nss_only)
+ enum ieee80211_band band)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
@@ -401,9 +401,6 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
changed |= IEEE80211_RC_NSS_CHANGED;
}
- if (nss_only)
- return changed;
-
switch (opmode & IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK) {
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ:
sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_20;
@@ -430,13 +427,12 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta, u8 opmode,
- enum ieee80211_band band, bool nss_only)
+ enum ieee80211_band band)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
- u32 changed = __ieee80211_vht_handle_opmode(sdata, sta, opmode,
- band, nss_only);
+ u32 changed = __ieee80211_vht_handle_opmode(sdata, sta, opmode, band);
if (changed > 0)
rate_control_rate_update(local, sband, sta, changed);
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index c70d750148b6..c32fc411a911 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -27,6 +27,8 @@
*/
#define MAX_MP_SELECT_LABELS 4
+#define MPLS_NEIGH_TABLE_UNSPEC (NEIGH_LINK_TABLE + 1)
+
static int zero = 0;
static int label_limit = (1 << 20) - 1;
@@ -317,7 +319,13 @@ static int mpls_forward(struct sk_buff *skb, struct net_device *dev,
}
}
- err = neigh_xmit(nh->nh_via_table, out_dev, mpls_nh_via(rt, nh), skb);
+ /* If via wasn't specified then send out using device address */
+ if (nh->nh_via_table == MPLS_NEIGH_TABLE_UNSPEC)
+ err = neigh_xmit(NEIGH_LINK_TABLE, out_dev,
+ out_dev->dev_addr, skb);
+ else
+ err = neigh_xmit(nh->nh_via_table, out_dev,
+ mpls_nh_via(rt, nh), skb);
if (err)
net_dbg_ratelimited("%s: packet transmission failed: %d\n",
__func__, err);
@@ -534,6 +542,10 @@ static int mpls_nh_assign_dev(struct net *net, struct mpls_route *rt,
if (!mpls_dev_get(dev))
goto errout;
+ if ((nh->nh_via_table == NEIGH_LINK_TABLE) &&
+ (dev->addr_len != nh->nh_via_alen))
+ goto errout;
+
RCU_INIT_POINTER(nh->nh_dev, dev);
return 0;
@@ -592,10 +604,14 @@ static int mpls_nh_build(struct net *net, struct mpls_route *rt,
goto errout;
}
- err = nla_get_via(via, &nh->nh_via_alen, &nh->nh_via_table,
- __mpls_nh_via(rt, nh));
- if (err)
- goto errout;
+ if (via) {
+ err = nla_get_via(via, &nh->nh_via_alen, &nh->nh_via_table,
+ __mpls_nh_via(rt, nh));
+ if (err)
+ goto errout;
+ } else {
+ nh->nh_via_table = MPLS_NEIGH_TABLE_UNSPEC;
+ }
err = mpls_nh_assign_dev(net, rt, nh, oif);
if (err)
@@ -677,9 +693,6 @@ static int mpls_nh_build_multi(struct mpls_route_config *cfg,
nla_newdst = nla_find(attrs, attrlen, RTA_NEWDST);
}
- if (!nla_via)
- goto errout;
-
err = mpls_nh_build(cfg->rc_nlinfo.nl_net, rt, nh,
rtnh->rtnh_ifindex, nla_via,
nla_newdst);
@@ -1118,6 +1131,7 @@ static int rtm_to_route_config(struct sk_buff *skb, struct nlmsghdr *nlh,
cfg->rc_label = LABEL_NOT_SPECIFIED;
cfg->rc_protocol = rtm->rtm_protocol;
+ cfg->rc_via_table = MPLS_NEIGH_TABLE_UNSPEC;
cfg->rc_nlflags = nlh->nlmsg_flags;
cfg->rc_nlinfo.portid = NETLINK_CB(skb).portid;
cfg->rc_nlinfo.nlh = nlh;
@@ -1231,7 +1245,8 @@ static int mpls_dump_route(struct sk_buff *skb, u32 portid, u32 seq, int event,
nla_put_labels(skb, RTA_NEWDST, nh->nh_labels,
nh->nh_label))
goto nla_put_failure;
- if (nla_put_via(skb, nh->nh_via_table, mpls_nh_via(rt, nh),
+ if (nh->nh_via_table != MPLS_NEIGH_TABLE_UNSPEC &&
+ nla_put_via(skb, nh->nh_via_table, mpls_nh_via(rt, nh),
nh->nh_via_alen))
goto nla_put_failure;
dev = rtnl_dereference(nh->nh_dev);
@@ -1257,7 +1272,8 @@ static int mpls_dump_route(struct sk_buff *skb, u32 portid, u32 seq, int event,
nh->nh_labels,
nh->nh_label))
goto nla_put_failure;
- if (nla_put_via(skb, nh->nh_via_table,
+ if (nh->nh_via_table != MPLS_NEIGH_TABLE_UNSPEC &&
+ nla_put_via(skb, nh->nh_via_table,
mpls_nh_via(rt, nh),
nh->nh_via_alen))
goto nla_put_failure;
@@ -1319,7 +1335,8 @@ static inline size_t lfib_nlmsg_size(struct mpls_route *rt)
if (nh->nh_dev)
payload += nla_total_size(4); /* RTA_OIF */
- payload += nla_total_size(2 + nh->nh_via_alen); /* RTA_VIA */
+ if (nh->nh_via_table != MPLS_NEIGH_TABLE_UNSPEC) /* RTA_VIA */
+ payload += nla_total_size(2 + nh->nh_via_alen);
if (nh->nh_labels) /* RTA_NEWDST */
payload += nla_total_size(nh->nh_labels * 4);
} else {
@@ -1328,7 +1345,9 @@ static inline size_t lfib_nlmsg_size(struct mpls_route *rt)
for_nexthops(rt) {
nhsize += nla_total_size(sizeof(struct rtnexthop));
- nhsize += nla_total_size(2 + nh->nh_via_alen);
+ /* RTA_VIA */
+ if (nh->nh_via_table != MPLS_NEIGH_TABLE_UNSPEC)
+ nhsize += nla_total_size(2 + nh->nh_via_alen);
if (nh->nh_labels)
nhsize += nla_total_size(nh->nh_labels * 4);
} endfor_nexthops(rt);
diff --git a/net/mpls/mpls_iptunnel.c b/net/mpls/mpls_iptunnel.c
index 67591aef9cae..64afd3d0b144 100644
--- a/net/mpls/mpls_iptunnel.c
+++ b/net/mpls/mpls_iptunnel.c
@@ -54,10 +54,10 @@ int mpls_output(struct net *net, struct sock *sk, struct sk_buff *skb)
unsigned int ttl;
/* Obtain the ttl */
- if (skb->protocol == htons(ETH_P_IP)) {
+ if (dst->ops->family == AF_INET) {
ttl = ip_hdr(skb)->ttl;
rt = (struct rtable *)dst;
- } else if (skb->protocol == htons(ETH_P_IPV6)) {
+ } else if (dst->ops->family == AF_INET6) {
ttl = ipv6_hdr(skb)->hop_limit;
rt6 = (struct rt6_info *)dst;
} else {
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 93cc4737018f..2cb429d34c03 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -89,6 +89,7 @@ nf_tables_afinfo_lookup(struct net *net, int family, bool autoload)
}
static void nft_ctx_init(struct nft_ctx *ctx,
+ struct net *net,
const struct sk_buff *skb,
const struct nlmsghdr *nlh,
struct nft_af_info *afi,
@@ -96,7 +97,7 @@ static void nft_ctx_init(struct nft_ctx *ctx,
struct nft_chain *chain,
const struct nlattr * const *nla)
{
- ctx->net = sock_net(skb->sk);
+ ctx->net = net;
ctx->afi = afi;
ctx->table = table;
ctx->chain = chain;
@@ -672,15 +673,14 @@ err:
return ret;
}
-static int nf_tables_newtable(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_newtable(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
const struct nlattr *name;
struct nft_af_info *afi;
struct nft_table *table;
- struct net *net = sock_net(skb->sk);
int family = nfmsg->nfgen_family;
u32 flags = 0;
struct nft_ctx ctx;
@@ -706,7 +706,7 @@ static int nf_tables_newtable(struct sock *nlsk, struct sk_buff *skb,
if (nlh->nlmsg_flags & NLM_F_REPLACE)
return -EOPNOTSUPP;
- nft_ctx_init(&ctx, skb, nlh, afi, table, NULL, nla);
+ nft_ctx_init(&ctx, net, skb, nlh, afi, table, NULL, nla);
return nf_tables_updtable(&ctx);
}
@@ -730,7 +730,7 @@ static int nf_tables_newtable(struct sock *nlsk, struct sk_buff *skb,
INIT_LIST_HEAD(&table->sets);
table->flags = flags;
- nft_ctx_init(&ctx, skb, nlh, afi, table, NULL, nla);
+ nft_ctx_init(&ctx, net, skb, nlh, afi, table, NULL, nla);
err = nft_trans_table_add(&ctx, NFT_MSG_NEWTABLE);
if (err < 0)
goto err3;
@@ -810,18 +810,17 @@ out:
return err;
}
-static int nf_tables_deltable(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_deltable(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
struct nft_af_info *afi;
struct nft_table *table;
- struct net *net = sock_net(skb->sk);
int family = nfmsg->nfgen_family;
struct nft_ctx ctx;
- nft_ctx_init(&ctx, skb, nlh, NULL, NULL, NULL, nla);
+ nft_ctx_init(&ctx, net, skb, nlh, NULL, NULL, NULL, nla);
if (family == AF_UNSPEC || nla[NFTA_TABLE_NAME] == NULL)
return nft_flush(&ctx, family);
@@ -1221,8 +1220,8 @@ static void nf_tables_chain_destroy(struct nft_chain *chain)
}
}
-static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_newchain(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
@@ -1232,7 +1231,6 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
struct nft_chain *chain;
struct nft_base_chain *basechain = NULL;
struct nlattr *ha[NFTA_HOOK_MAX + 1];
- struct net *net = sock_net(skb->sk);
int family = nfmsg->nfgen_family;
struct net_device *dev = NULL;
u8 policy = NF_ACCEPT;
@@ -1313,7 +1311,7 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
return PTR_ERR(stats);
}
- nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla);
+ nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla);
trans = nft_trans_alloc(&ctx, NFT_MSG_NEWCHAIN,
sizeof(struct nft_trans_chain));
if (trans == NULL) {
@@ -1461,7 +1459,7 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
if (err < 0)
goto err1;
- nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla);
+ nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla);
err = nft_trans_chain_add(&ctx, NFT_MSG_NEWCHAIN);
if (err < 0)
goto err2;
@@ -1476,15 +1474,14 @@ err1:
return err;
}
-static int nf_tables_delchain(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_delchain(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
struct nft_af_info *afi;
struct nft_table *table;
struct nft_chain *chain;
- struct net *net = sock_net(skb->sk);
int family = nfmsg->nfgen_family;
struct nft_ctx ctx;
@@ -1506,7 +1503,7 @@ static int nf_tables_delchain(struct sock *nlsk, struct sk_buff *skb,
if (chain->use > 0)
return -EBUSY;
- nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla);
+ nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla);
return nft_delchain(&ctx);
}
@@ -2010,13 +2007,12 @@ static void nf_tables_rule_destroy(const struct nft_ctx *ctx,
static struct nft_expr_info *info;
-static int nf_tables_newrule(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_newrule(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
struct nft_af_info *afi;
- struct net *net = sock_net(skb->sk);
struct nft_table *table;
struct nft_chain *chain;
struct nft_rule *rule, *old_rule = NULL;
@@ -2075,7 +2071,7 @@ static int nf_tables_newrule(struct sock *nlsk, struct sk_buff *skb,
return PTR_ERR(old_rule);
}
- nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla);
+ nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla);
n = 0;
size = 0;
@@ -2176,13 +2172,12 @@ err1:
return err;
}
-static int nf_tables_delrule(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_delrule(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
struct nft_af_info *afi;
- struct net *net = sock_net(skb->sk);
struct nft_table *table;
struct nft_chain *chain = NULL;
struct nft_rule *rule;
@@ -2205,7 +2200,7 @@ static int nf_tables_delrule(struct sock *nlsk, struct sk_buff *skb,
return PTR_ERR(chain);
}
- nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla);
+ nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla);
if (chain) {
if (nla[NFTA_RULE_HANDLE]) {
@@ -2344,12 +2339,11 @@ static const struct nla_policy nft_set_desc_policy[NFTA_SET_DESC_MAX + 1] = {
[NFTA_SET_DESC_SIZE] = { .type = NLA_U32 },
};
-static int nft_ctx_init_from_setattr(struct nft_ctx *ctx,
+static int nft_ctx_init_from_setattr(struct nft_ctx *ctx, struct net *net,
const struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
- struct net *net = sock_net(skb->sk);
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
struct nft_af_info *afi = NULL;
struct nft_table *table = NULL;
@@ -2371,7 +2365,7 @@ static int nft_ctx_init_from_setattr(struct nft_ctx *ctx,
return -ENOENT;
}
- nft_ctx_init(ctx, skb, nlh, afi, table, NULL, nla);
+ nft_ctx_init(ctx, net, skb, nlh, afi, table, NULL, nla);
return 0;
}
@@ -2623,6 +2617,7 @@ static int nf_tables_getset(struct sock *nlsk, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
+ struct net *net = sock_net(skb->sk);
const struct nft_set *set;
struct nft_ctx ctx;
struct sk_buff *skb2;
@@ -2630,7 +2625,7 @@ static int nf_tables_getset(struct sock *nlsk, struct sk_buff *skb,
int err;
/* Verify existence before starting dump */
- err = nft_ctx_init_from_setattr(&ctx, skb, nlh, nla);
+ err = nft_ctx_init_from_setattr(&ctx, net, skb, nlh, nla);
if (err < 0)
return err;
@@ -2693,14 +2688,13 @@ static int nf_tables_set_desc_parse(const struct nft_ctx *ctx,
return 0;
}
-static int nf_tables_newset(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_newset(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
const struct nft_set_ops *ops;
struct nft_af_info *afi;
- struct net *net = sock_net(skb->sk);
struct nft_table *table;
struct nft_set *set;
struct nft_ctx ctx;
@@ -2798,7 +2792,7 @@ static int nf_tables_newset(struct sock *nlsk, struct sk_buff *skb,
if (IS_ERR(table))
return PTR_ERR(table);
- nft_ctx_init(&ctx, skb, nlh, afi, table, NULL, nla);
+ nft_ctx_init(&ctx, net, skb, nlh, afi, table, NULL, nla);
set = nf_tables_set_lookup(table, nla[NFTA_SET_NAME]);
if (IS_ERR(set)) {
@@ -2882,8 +2876,8 @@ static void nf_tables_set_destroy(const struct nft_ctx *ctx, struct nft_set *set
nft_set_destroy(set);
}
-static int nf_tables_delset(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_delset(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
@@ -2896,7 +2890,7 @@ static int nf_tables_delset(struct sock *nlsk, struct sk_buff *skb,
if (nla[NFTA_SET_TABLE] == NULL)
return -EINVAL;
- err = nft_ctx_init_from_setattr(&ctx, skb, nlh, nla);
+ err = nft_ctx_init_from_setattr(&ctx, net, skb, nlh, nla);
if (err < 0)
return err;
@@ -3024,7 +3018,7 @@ static const struct nla_policy nft_set_elem_list_policy[NFTA_SET_ELEM_LIST_MAX +
[NFTA_SET_ELEM_LIST_SET_ID] = { .type = NLA_U32 },
};
-static int nft_ctx_init_from_elemattr(struct nft_ctx *ctx,
+static int nft_ctx_init_from_elemattr(struct nft_ctx *ctx, struct net *net,
const struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const nla[],
@@ -3033,7 +3027,6 @@ static int nft_ctx_init_from_elemattr(struct nft_ctx *ctx,
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
struct nft_af_info *afi;
struct nft_table *table;
- struct net *net = sock_net(skb->sk);
afi = nf_tables_afinfo_lookup(net, nfmsg->nfgen_family, false);
if (IS_ERR(afi))
@@ -3045,7 +3038,7 @@ static int nft_ctx_init_from_elemattr(struct nft_ctx *ctx,
if (!trans && (table->flags & NFT_TABLE_INACTIVE))
return -ENOENT;
- nft_ctx_init(ctx, skb, nlh, afi, table, NULL, nla);
+ nft_ctx_init(ctx, net, skb, nlh, afi, table, NULL, nla);
return 0;
}
@@ -3135,6 +3128,7 @@ static int nf_tables_dump_setelem(const struct nft_ctx *ctx,
static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = sock_net(skb->sk);
const struct nft_set *set;
struct nft_set_dump_args args;
struct nft_ctx ctx;
@@ -3150,8 +3144,8 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
if (err < 0)
return err;
- err = nft_ctx_init_from_elemattr(&ctx, cb->skb, cb->nlh, (void *)nla,
- false);
+ err = nft_ctx_init_from_elemattr(&ctx, net, cb->skb, cb->nlh,
+ (void *)nla, false);
if (err < 0)
return err;
@@ -3212,11 +3206,12 @@ static int nf_tables_getsetelem(struct sock *nlsk, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
+ struct net *net = sock_net(skb->sk);
const struct nft_set *set;
struct nft_ctx ctx;
int err;
- err = nft_ctx_init_from_elemattr(&ctx, skb, nlh, nla, false);
+ err = nft_ctx_init_from_elemattr(&ctx, net, skb, nlh, nla, false);
if (err < 0)
return err;
@@ -3528,11 +3523,10 @@ err1:
return err;
}
-static int nf_tables_newsetelem(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_newsetelem(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
- struct net *net = sock_net(skb->sk);
const struct nlattr *attr;
struct nft_set *set;
struct nft_ctx ctx;
@@ -3541,7 +3535,7 @@ static int nf_tables_newsetelem(struct sock *nlsk, struct sk_buff *skb,
if (nla[NFTA_SET_ELEM_LIST_ELEMENTS] == NULL)
return -EINVAL;
- err = nft_ctx_init_from_elemattr(&ctx, skb, nlh, nla, true);
+ err = nft_ctx_init_from_elemattr(&ctx, net, skb, nlh, nla, true);
if (err < 0)
return err;
@@ -3623,8 +3617,8 @@ err1:
return err;
}
-static int nf_tables_delsetelem(struct sock *nlsk, struct sk_buff *skb,
- const struct nlmsghdr *nlh,
+static int nf_tables_delsetelem(struct net *net, struct sock *nlsk,
+ struct sk_buff *skb, const struct nlmsghdr *nlh,
const struct nlattr * const nla[])
{
const struct nlattr *attr;
@@ -3635,7 +3629,7 @@ static int nf_tables_delsetelem(struct sock *nlsk, struct sk_buff *skb,
if (nla[NFTA_SET_ELEM_LIST_ELEMENTS] == NULL)
return -EINVAL;
- err = nft_ctx_init_from_elemattr(&ctx, skb, nlh, nla, false);
+ err = nft_ctx_init_from_elemattr(&ctx, net, skb, nlh, nla, false);
if (err < 0)
return err;
@@ -4030,7 +4024,8 @@ static int nf_tables_abort(struct sk_buff *skb)
struct nft_trans *trans, *next;
struct nft_trans_elem *te;
- list_for_each_entry_safe(trans, next, &net->nft.commit_list, list) {
+ list_for_each_entry_safe_reverse(trans, next, &net->nft.commit_list,
+ list) {
switch (trans->msg_type) {
case NFT_MSG_NEWTABLE:
if (nft_trans_table_update(trans)) {
diff --git a/net/netfilter/nf_tables_netdev.c b/net/netfilter/nf_tables_netdev.c
index 7b9c053ba750..edb3502f2016 100644
--- a/net/netfilter/nf_tables_netdev.c
+++ b/net/netfilter/nf_tables_netdev.c
@@ -94,7 +94,7 @@ nft_do_chain_netdev(void *priv, struct sk_buff *skb,
{
struct nft_pktinfo pkt;
- switch (eth_hdr(skb)->h_proto) {
+ switch (skb->protocol) {
case htons(ETH_P_IP):
nft_netdev_set_pktinfo_ipv4(&pkt, skb, state);
break;
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 46453ab318db..77afe913d03d 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -295,8 +295,6 @@ replay:
if (!skb)
return netlink_ack(oskb, nlh, -ENOMEM);
- skb->sk = oskb->sk;
-
nfnl_lock(subsys_id);
ss = rcu_dereference_protected(table[subsys_id].subsys,
lockdep_is_held(&table[subsys_id].mutex));
@@ -381,7 +379,7 @@ replay:
goto ack;
if (nc->call_batch) {
- err = nc->call_batch(net->nfnl, skb, nlh,
+ err = nc->call_batch(net, net->nfnl, skb, nlh,
(const struct nlattr **)cda);
}
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 7d81d280cb4f..861c6615253b 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -365,8 +365,9 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue,
break;
}
+ nfnl_ct = rcu_dereference(nfnl_ct_hook);
+
if (queue->flags & NFQA_CFG_F_CONNTRACK) {
- nfnl_ct = rcu_dereference(nfnl_ct_hook);
if (nfnl_ct != NULL) {
ct = nfnl_ct->get_ct(entskb, &ctinfo);
if (ct != NULL)
@@ -1064,9 +1065,10 @@ nfqnl_recv_verdict(struct sock *ctnl, struct sk_buff *skb,
if (entry == NULL)
return -ENOENT;
+ /* rcu lock already held from nfnl->call_rcu. */
+ nfnl_ct = rcu_dereference(nfnl_ct_hook);
+
if (nfqa[NFQA_CT]) {
- /* rcu lock already held from nfnl->call_rcu. */
- nfnl_ct = rcu_dereference(nfnl_ct_hook);
if (nfnl_ct != NULL)
ct = nfqnl_ct_parse(nfnl_ct, nlh, nfqa, entry, &ctinfo);
}
@@ -1417,6 +1419,7 @@ static int __init nfnetlink_queue_init(void)
cleanup_netlink_notifier:
netlink_unregister_notifier(&nfqnl_rtnl_notifier);
+ unregister_pernet_subsys(&nfnl_queue_net_ops);
out:
return status;
}
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index 8cbca3432f90..939921532764 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -366,6 +366,7 @@ static int nft_ct_get_dump(struct sk_buff *skb, const struct nft_expr *expr)
goto nla_put_failure;
switch (priv->key) {
+ case NFT_CT_L3PROTOCOL:
case NFT_CT_PROTOCOL:
case NFT_CT_SRC:
case NFT_CT_DST:
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index c2cc11168fd5..e004067ec24a 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -53,6 +53,8 @@ struct ovs_conntrack_info {
struct md_labels labels;
};
+static void __ovs_ct_free_action(struct ovs_conntrack_info *ct_info);
+
static u16 key_to_nfproto(const struct sw_flow_key *key)
{
switch (ntohs(key->eth.type)) {
@@ -141,6 +143,7 @@ static void __ovs_ct_update_key(struct sw_flow_key *key, u8 state,
* previously sent the packet to conntrack via the ct action.
*/
static void ovs_ct_update_key(const struct sk_buff *skb,
+ const struct ovs_conntrack_info *info,
struct sw_flow_key *key, bool post_ct)
{
const struct nf_conntrack_zone *zone = &nf_ct_zone_dflt;
@@ -158,13 +161,15 @@ static void ovs_ct_update_key(const struct sk_buff *skb,
zone = nf_ct_zone(ct);
} else if (post_ct) {
state = OVS_CS_F_TRACKED | OVS_CS_F_INVALID;
+ if (info)
+ zone = &info->zone;
}
__ovs_ct_update_key(key, state, zone, ct);
}
void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key)
{
- ovs_ct_update_key(skb, key, false);
+ ovs_ct_update_key(skb, NULL, key, false);
}
int ovs_ct_put_key(const struct sw_flow_key *key, struct sk_buff *skb)
@@ -418,7 +423,7 @@ static int __ovs_ct_lookup(struct net *net, struct sw_flow_key *key,
}
}
- ovs_ct_update_key(skb, key, true);
+ ovs_ct_update_key(skb, info, key, true);
return 0;
}
@@ -693,6 +698,10 @@ int ovs_ct_copy_action(struct net *net, const struct nlattr *attr,
OVS_NLERR(log, "Failed to allocate conntrack template");
return -ENOMEM;
}
+
+ __set_bit(IPS_CONFIRMED_BIT, &ct_info.ct->status);
+ nf_conntrack_get(&ct_info.ct->ct_general);
+
if (helper) {
err = ovs_ct_add_helper(&ct_info, helper, key, log);
if (err)
@@ -704,11 +713,9 @@ int ovs_ct_copy_action(struct net *net, const struct nlattr *attr,
if (err)
goto err_free_ct;
- __set_bit(IPS_CONFIRMED_BIT, &ct_info.ct->status);
- nf_conntrack_get(&ct_info.ct->ct_general);
return 0;
err_free_ct:
- nf_conntrack_free(ct_info.ct);
+ __ovs_ct_free_action(&ct_info);
return err;
}
@@ -750,6 +757,11 @@ void ovs_ct_free_action(const struct nlattr *a)
{
struct ovs_conntrack_info *ct_info = nla_data(a);
+ __ovs_ct_free_action(ct_info);
+}
+
+static void __ovs_ct_free_action(struct ovs_conntrack_info *ct_info)
+{
if (ct_info->helper)
module_put(ct_info->helper->me);
if (ct_info->ct)
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 907d6fd28ede..d1bd4a45ca2d 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -2434,7 +2434,10 @@ static int set_action_to_attr(const struct nlattr *a, struct sk_buff *skb)
if (!start)
return -EMSGSIZE;
- err = ovs_nla_put_tunnel_info(skb, tun_info);
+ err = ip_tun_to_nlattr(skb, &tun_info->key,
+ ip_tunnel_info_opts(tun_info),
+ tun_info->options_len,
+ ip_tunnel_info_af(tun_info));
if (err)
return err;
nla_nest_end(skb, start);
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index b41e9ea2ffff..f53bf3b6558b 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -49,7 +49,6 @@
struct rfkill {
spinlock_t lock;
- const char *name;
enum rfkill_type type;
unsigned long state;
@@ -73,6 +72,7 @@ struct rfkill {
struct delayed_work poll_work;
struct work_struct uevent_work;
struct work_struct sync_work;
+ char name[];
};
#define to_rfkill(d) container_of(d, struct rfkill, dev)
@@ -876,14 +876,14 @@ struct rfkill * __must_check rfkill_alloc(const char *name,
if (WARN_ON(type == RFKILL_TYPE_ALL || type >= NUM_RFKILL_TYPES))
return NULL;
- rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
+ rfkill = kzalloc(sizeof(*rfkill) + strlen(name) + 1, GFP_KERNEL);
if (!rfkill)
return NULL;
spin_lock_init(&rfkill->lock);
INIT_LIST_HEAD(&rfkill->node);
rfkill->type = type;
- rfkill->name = name;
+ strcpy(rfkill->name, name);
rfkill->ops = ops;
rfkill->data = ops_data;
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 7ec667dd4ce1..b5c2cf2aa6d4 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -950,7 +950,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
}
lockdep_set_class(qdisc_lock(sch), &qdisc_tx_lock);
if (!netif_is_multiqueue(dev))
- sch->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT;
+ sch->flags |= TCQ_F_ONETXQUEUE;
}
sch->handle = handle;
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index e82a1ad80aa5..16bc83b2842a 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -658,8 +658,10 @@ static void qdisc_rcu_free(struct rcu_head *head)
{
struct Qdisc *qdisc = container_of(head, struct Qdisc, rcu_head);
- if (qdisc_is_percpu_stats(qdisc))
+ if (qdisc_is_percpu_stats(qdisc)) {
free_percpu(qdisc->cpu_bstats);
+ free_percpu(qdisc->cpu_qstats);
+ }
kfree((char *) qdisc - qdisc->padded);
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index acb45b8c2a9d..ec529121f38a 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -323,14 +323,13 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
}
}
}
- rcu_read_unlock();
-
if (baddr) {
fl6->saddr = baddr->v6.sin6_addr;
fl6->fl6_sport = baddr->v6.sin6_port;
final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final);
dst = ip6_dst_lookup_flow(sk, fl6, final_p);
}
+ rcu_read_unlock();
out:
if (!IS_ERR_OR_NULL(dst)) {
@@ -642,6 +641,7 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
struct sock *newsk;
struct ipv6_pinfo *newnp, *np = inet6_sk(sk);
struct sctp6_sock *newsctp6sk;
+ struct ipv6_txoptions *opt;
newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot, 0);
if (!newsk)
@@ -661,6 +661,13 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
memcpy(newnp, np, sizeof(struct ipv6_pinfo));
+ rcu_read_lock();
+ opt = rcu_dereference(np->opt);
+ if (opt)
+ opt = ipv6_dup_options(newsk, opt);
+ RCU_INIT_POINTER(newnp->opt, opt);
+ rcu_read_unlock();
+
/* Initialize sk's sport, dport, rcv_saddr and daddr for getsockname()
* and getpeername().
*/
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 7e8f0a117106..c0380cfb16ae 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -324,6 +324,7 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk)
sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)) :
"illegal chunk");
+ sctp_chunk_hold(chunk);
sctp_outq_tail_data(q, chunk);
if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED)
SCTP_INC_STATS(net, SCTP_MIB_OUTUNORDERCHUNKS);
@@ -1251,6 +1252,7 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_chunk *chunk)
*/
sack_a_rwnd = ntohl(sack->a_rwnd);
+ asoc->peer.zero_window_announced = !sack_a_rwnd;
outstanding = q->outstanding_bytes;
if (outstanding < sack_a_rwnd)
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 763e06a55155..5d6a03fad378 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1652,7 +1652,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
/* Set an expiration time for the cookie. */
cookie->c.expiration = ktime_add(asoc->cookie_life,
- ktime_get());
+ ktime_get_real());
/* Copy the peer's init packet. */
memcpy(&cookie->c.peer_init[0], init_chunk->chunk_hdr,
@@ -1780,7 +1780,7 @@ no_hmac:
if (sock_flag(ep->base.sk, SOCK_TIMESTAMP))
kt = skb_get_ktime(skb);
else
- kt = ktime_get();
+ kt = ktime_get_real();
if (!asoc && ktime_before(bear_cookie->expiration, kt)) {
/*
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 6f46aa16cb76..22c2bf367d7e 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -4829,7 +4829,8 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort(
retval = SCTP_DISPOSITION_CONSUME;
- sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
+ if (abort)
+ sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
/* Even if we can't send the ABORT due to low memory delete the
* TCB. This is a departure from our typical NOMEM handling.
@@ -4966,7 +4967,8 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
retval = SCTP_DISPOSITION_CONSUME;
- sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
+ if (abort)
+ sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));
@@ -5412,7 +5414,8 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(struct net *net,
SCTP_INC_STATS(net, SCTP_MIB_T3_RTX_EXPIREDS);
if (asoc->overall_error_count >= asoc->max_retrans) {
- if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
+ if (asoc->peer.zero_window_announced &&
+ asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
/*
* We are here likely because the receiver had its rwnd
* closed for a while and we have not been able to
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 03c8256063ec..ef1d90fdc773 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1301,8 +1301,9 @@ static int __sctp_setsockopt_connectx(struct sock *sk,
int addrs_size,
sctp_assoc_t *assoc_id)
{
- int err = 0;
struct sockaddr *kaddrs;
+ gfp_t gfp = GFP_KERNEL;
+ int err = 0;
pr_debug("%s: sk:%p addrs:%p addrs_size:%d\n",
__func__, sk, addrs, addrs_size);
@@ -1315,7 +1316,9 @@ static int __sctp_setsockopt_connectx(struct sock *sk,
return -EFAULT;
/* Alloc space for the address array in kernel memory. */
- kaddrs = kmalloc(addrs_size, GFP_KERNEL);
+ if (sk->sk_socket->file)
+ gfp = GFP_USER | __GFP_NOWARN;
+ kaddrs = kmalloc(addrs_size, gfp);
if (unlikely(!kaddrs))
return -ENOMEM;
@@ -1513,8 +1516,7 @@ static void sctp_close(struct sock *sk, long timeout)
struct sctp_chunk *chunk;
chunk = sctp_make_abort_user(asoc, NULL, 0);
- if (chunk)
- sctp_primitive_ABORT(net, asoc, chunk);
+ sctp_primitive_ABORT(net, asoc, chunk);
} else
sctp_primitive_SHUTDOWN(net, asoc, NULL);
}
@@ -1952,8 +1954,6 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len)
/* Now send the (possibly) fragmented message. */
list_for_each_entry(chunk, &datamsg->chunks, frag_list) {
- sctp_chunk_hold(chunk);
-
/* Do accounting for the write space. */
sctp_set_owner_w(chunk);
@@ -1966,15 +1966,13 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len)
* breaks.
*/
err = sctp_primitive_SEND(net, asoc, datamsg);
+ sctp_datamsg_put(datamsg);
/* Did the lower layer accept the chunk? */
- if (err) {
- sctp_datamsg_free(datamsg);
+ if (err)
goto out_free;
- }
pr_debug("%s: we sent primitively\n", __func__);
- sctp_datamsg_put(datamsg);
err = msg_len;
if (unlikely(wait_connect)) {
@@ -5777,7 +5775,7 @@ static int sctp_getsockopt_assoc_ids(struct sock *sk, int len,
len = sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num;
- ids = kmalloc(len, GFP_KERNEL);
+ ids = kmalloc(len, GFP_USER | __GFP_NOWARN);
if (unlikely(!ids))
return -ENOMEM;
@@ -7167,6 +7165,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
newsk->sk_type = sk->sk_type;
newsk->sk_bound_dev_if = sk->sk_bound_dev_if;
newsk->sk_flags = sk->sk_flags;
+ newsk->sk_tsflags = sk->sk_tsflags;
newsk->sk_no_check_tx = sk->sk_no_check_tx;
newsk->sk_no_check_rx = sk->sk_no_check_rx;
newsk->sk_reuse = sk->sk_reuse;
@@ -7199,6 +7198,11 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
newinet->mc_ttl = 1;
newinet->mc_index = 0;
newinet->mc_list = NULL;
+
+ if (newsk->sk_flags & SK_FLAGS_TIMESTAMP)
+ net_enable_timestamp();
+
+ security_sk_clone(sk, newsk);
}
static inline void sctp_copy_descendant(struct sock *sk_to,
diff --git a/net/socket.c b/net/socket.c
index 456fadb3d819..d730ef9dfbf0 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -257,6 +257,7 @@ static struct inode *sock_alloc_inode(struct super_block *sb)
}
init_waitqueue_head(&wq->wait);
wq->fasync_list = NULL;
+ wq->flags = 0;
RCU_INIT_POINTER(ei->socket.wq, wq);
ei->socket.state = SS_UNCONNECTED;
@@ -1695,6 +1696,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
msg.msg_name = addr ? (struct sockaddr *)&address : NULL;
/* We assume all kernel code knows the size of sockaddr_storage */
msg.msg_namelen = 0;
+ msg.msg_iocb = NULL;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, iov_iter_count(&msg.msg_iter), flags);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 45aebd966978..ef05cd9403d4 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -953,32 +953,20 @@ fail:
return NULL;
}
-static int unix_mknod(const char *sun_path, umode_t mode, struct path *res)
+static int unix_mknod(struct dentry *dentry, struct path *path, umode_t mode,
+ struct path *res)
{
- struct dentry *dentry;
- struct path path;
- int err = 0;
- /*
- * Get the parent directory, calculate the hash for last
- * component.
- */
- dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
- err = PTR_ERR(dentry);
- if (IS_ERR(dentry))
- return err;
+ int err;
- /*
- * All right, let's create it.
- */
- err = security_path_mknod(&path, dentry, mode, 0);
+ err = security_path_mknod(path, dentry, mode, 0);
if (!err) {
- err = vfs_mknod(d_inode(path.dentry), dentry, mode, 0);
+ err = vfs_mknod(d_inode(path->dentry), dentry, mode, 0);
if (!err) {
- res->mnt = mntget(path.mnt);
+ res->mnt = mntget(path->mnt);
res->dentry = dget(dentry);
}
}
- done_path_create(&path, dentry);
+
return err;
}
@@ -989,10 +977,12 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct unix_sock *u = unix_sk(sk);
struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
char *sun_path = sunaddr->sun_path;
- int err;
+ int err, name_err;
unsigned int hash;
struct unix_address *addr;
struct hlist_head *list;
+ struct path path;
+ struct dentry *dentry;
err = -EINVAL;
if (sunaddr->sun_family != AF_UNIX)
@@ -1008,14 +998,34 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out;
addr_len = err;
+ name_err = 0;
+ dentry = NULL;
+ if (sun_path[0]) {
+ /* Get the parent directory, calculate the hash for last
+ * component.
+ */
+ dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
+
+ if (IS_ERR(dentry)) {
+ /* delay report until after 'already bound' check */
+ name_err = PTR_ERR(dentry);
+ dentry = NULL;
+ }
+ }
+
err = mutex_lock_interruptible(&u->readlock);
if (err)
- goto out;
+ goto out_path;
err = -EINVAL;
if (u->addr)
goto out_up;
+ if (name_err) {
+ err = name_err == -EEXIST ? -EADDRINUSE : name_err;
+ goto out_up;
+ }
+
err = -ENOMEM;
addr = kmalloc(sizeof(*addr)+addr_len, GFP_KERNEL);
if (!addr)
@@ -1026,11 +1036,11 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
addr->hash = hash ^ sk->sk_type;
atomic_set(&addr->refcnt, 1);
- if (sun_path[0]) {
- struct path path;
+ if (dentry) {
+ struct path u_path;
umode_t mode = S_IFSOCK |
(SOCK_INODE(sock)->i_mode & ~current_umask());
- err = unix_mknod(sun_path, mode, &path);
+ err = unix_mknod(dentry, &path, mode, &u_path);
if (err) {
if (err == -EEXIST)
err = -EADDRINUSE;
@@ -1038,9 +1048,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
goto out_up;
}
addr->hash = UNIX_HASH_SIZE;
- hash = d_backing_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE-1);
+ hash = d_backing_inode(dentry)->i_ino & (UNIX_HASH_SIZE - 1);
spin_lock(&unix_table_lock);
- u->path = path;
+ u->path = u_path;
list = &unix_socket_table[hash];
} else {
spin_lock(&unix_table_lock);
@@ -1063,6 +1073,10 @@ out_unlock:
spin_unlock(&unix_table_lock);
out_up:
mutex_unlock(&u->readlock);
+out_path:
+ if (dentry)
+ done_path_create(&path, dentry);
+
out:
return err;
}
@@ -2256,14 +2270,7 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state)
/* Lock the socket to prevent queue disordering
* while sleeps in memcpy_tomsg
*/
- err = mutex_lock_interruptible(&u->readlock);
- if (unlikely(err)) {
- /* recvmsg() in non blocking mode is supposed to return -EAGAIN
- * sk_rcvtimeo is not honored by mutex_lock_interruptible()
- */
- err = noblock ? -EAGAIN : -ERESTARTSYS;
- goto out;
- }
+ mutex_lock(&u->readlock);
if (flags & MSG_PEEK)
skip = sk_peek_offset(sk, flags);
@@ -2307,12 +2314,12 @@ again:
timeo = unix_stream_data_wait(sk, timeo, last,
last_len);
- if (signal_pending(current) ||
- mutex_lock_interruptible(&u->readlock)) {
+ if (signal_pending(current)) {
err = sock_intr_errno(timeo);
goto out;
}
+ mutex_lock(&u->readlock);
continue;
unlock:
unix_state_unlock(sk);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c71e274c810a..75b0d23ee882 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -7941,8 +7941,10 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) {
if (!(rdev->wiphy.features &
NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) ||
- !(rdev->wiphy.features & NL80211_FEATURE_QUIET))
+ !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) {
+ kzfree(connkeys);
return -EINVAL;
+ }
connect.flags |= ASSOC_REQ_USE_RRM;
}
@@ -9503,6 +9505,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
if (new_triggers.tcp && new_triggers.tcp->sock)
sock_release(new_triggers.tcp->sock);
kfree(new_triggers.tcp);
+ kfree(new_triggers.nd_config);
return err;
}
#endif
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 2e8d6f39ed56..06d050da0d94 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -3029,6 +3029,7 @@ int set_regdom(const struct ieee80211_regdomain *rd,
break;
default:
WARN(1, "invalid initiator %d\n", lr->initiator);
+ kfree(rd);
return -EINVAL;
}
@@ -3221,8 +3222,10 @@ int __init regulatory_init(void)
/* We always try to get an update for the static regdomain */
err = regulatory_hint_core(cfg80211_world_regdom->alpha2);
if (err) {
- if (err == -ENOMEM)
+ if (err == -ENOMEM) {
+ platform_device_unregister(reg_pdev);
return err;
+ }
/*
* N.B. kobject_uevent_env() can fail mainly for when we're out
* memory which is handled and propagated appropriately above
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 09bfcbac63bb..b5e665b3cfb0 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -303,6 +303,14 @@ struct xfrm_policy *xfrm_policy_alloc(struct net *net, gfp_t gfp)
}
EXPORT_SYMBOL(xfrm_policy_alloc);
+static void xfrm_policy_destroy_rcu(struct rcu_head *head)
+{
+ struct xfrm_policy *policy = container_of(head, struct xfrm_policy, rcu);
+
+ security_xfrm_policy_free(policy->security);
+ kfree(policy);
+}
+
/* Destroy xfrm_policy: descendant resources must be released to this moment. */
void xfrm_policy_destroy(struct xfrm_policy *policy)
@@ -312,8 +320,7 @@ void xfrm_policy_destroy(struct xfrm_policy *policy)
if (del_timer(&policy->timer) || del_timer(&policy->polq.hold_timer))
BUG();
- security_xfrm_policy_free(policy->security);
- kfree(policy);
+ call_rcu(&policy->rcu, xfrm_policy_destroy_rcu);
}
EXPORT_SYMBOL(xfrm_policy_destroy);
@@ -1214,8 +1221,10 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir,
struct xfrm_policy *pol;
struct net *net = sock_net(sk);
+ rcu_read_lock();
read_lock_bh(&net->xfrm.xfrm_policy_lock);
- if ((pol = sk->sk_policy[dir]) != NULL) {
+ pol = rcu_dereference(sk->sk_policy[dir]);
+ if (pol != NULL) {
bool match = xfrm_selector_match(&pol->selector, fl,
sk->sk_family);
int err = 0;
@@ -1239,6 +1248,7 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir,
}
out:
read_unlock_bh(&net->xfrm.xfrm_policy_lock);
+ rcu_read_unlock();
return pol;
}
@@ -1307,13 +1317,14 @@ int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol)
#endif
write_lock_bh(&net->xfrm.xfrm_policy_lock);
- old_pol = sk->sk_policy[dir];
- sk->sk_policy[dir] = pol;
+ old_pol = rcu_dereference_protected(sk->sk_policy[dir],
+ lockdep_is_held(&net->xfrm.xfrm_policy_lock));
if (pol) {
pol->curlft.add_time = get_seconds();
pol->index = xfrm_gen_index(net, XFRM_POLICY_MAX+dir, 0);
xfrm_sk_policy_link(pol, dir);
}
+ rcu_assign_pointer(sk->sk_policy[dir], pol);
if (old_pol) {
if (pol)
xfrm_policy_requeue(old_pol, pol);
@@ -1361,17 +1372,26 @@ static struct xfrm_policy *clone_policy(const struct xfrm_policy *old, int dir)
return newp;
}
-int __xfrm_sk_clone_policy(struct sock *sk)
+int __xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk)
{
- struct xfrm_policy *p0 = sk->sk_policy[0],
- *p1 = sk->sk_policy[1];
+ const struct xfrm_policy *p;
+ struct xfrm_policy *np;
+ int i, ret = 0;
- sk->sk_policy[0] = sk->sk_policy[1] = NULL;
- if (p0 && (sk->sk_policy[0] = clone_policy(p0, 0)) == NULL)
- return -ENOMEM;
- if (p1 && (sk->sk_policy[1] = clone_policy(p1, 1)) == NULL)
- return -ENOMEM;
- return 0;
+ rcu_read_lock();
+ for (i = 0; i < 2; i++) {
+ p = rcu_dereference(osk->sk_policy[i]);
+ if (p) {
+ np = clone_policy(p, i);
+ if (unlikely(!np)) {
+ ret = -ENOMEM;
+ break;
+ }
+ rcu_assign_pointer(sk->sk_policy[i], np);
+ }
+ }
+ rcu_read_unlock();
+ return ret;
}
static int
@@ -2198,6 +2218,7 @@ struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig,
xdst = NULL;
route = NULL;
+ sk = sk_const_to_full_sk(sk);
if (sk && sk->sk_policy[XFRM_POLICY_OUT]) {
num_pols = 1;
pols[0] = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl);
@@ -2477,6 +2498,7 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb,
}
pol = NULL;
+ sk = sk_to_full_sk(sk);
if (sk && sk->sk_policy[dir]) {
pol = xfrm_sk_policy_lookup(sk, dir, &fl);
if (IS_ERR(pol)) {
@@ -2804,7 +2826,6 @@ static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst,
int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
{
- struct net *net;
int err = 0;
if (unlikely(afinfo == NULL))
return -EINVAL;
@@ -2835,26 +2856,6 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
}
spin_unlock(&xfrm_policy_afinfo_lock);
- rtnl_lock();
- for_each_net(net) {
- struct dst_ops *xfrm_dst_ops;
-
- switch (afinfo->family) {
- case AF_INET:
- xfrm_dst_ops = &net->xfrm.xfrm4_dst_ops;
- break;
-#if IS_ENABLED(CONFIG_IPV6)
- case AF_INET6:
- xfrm_dst_ops = &net->xfrm.xfrm6_dst_ops;
- break;
-#endif
- default:
- BUG();
- }
- *xfrm_dst_ops = *afinfo->dst_ops;
- }
- rtnl_unlock();
-
return err;
}
EXPORT_SYMBOL(xfrm_policy_register_afinfo);
@@ -2890,22 +2891,6 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo)
}
EXPORT_SYMBOL(xfrm_policy_unregister_afinfo);
-static void __net_init xfrm_dst_ops_init(struct net *net)
-{
- struct xfrm_policy_afinfo *afinfo;
-
- rcu_read_lock();
- afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET]);
- if (afinfo)
- net->xfrm.xfrm4_dst_ops = *afinfo->dst_ops;
-#if IS_ENABLED(CONFIG_IPV6)
- afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET6]);
- if (afinfo)
- net->xfrm.xfrm6_dst_ops = *afinfo->dst_ops;
-#endif
- rcu_read_unlock();
-}
-
static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
@@ -3054,7 +3039,6 @@ static int __net_init xfrm_net_init(struct net *net)
rv = xfrm_policy_init(net);
if (rv < 0)
goto out_policy;
- xfrm_dst_ops_init(net);
rv = xfrm_sysctl_init(net);
if (rv < 0)
goto out_sysctl;
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 698768bdc581..e167592793a7 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -48,12 +48,17 @@
static int fd_map; /* File descriptor for file being modified. */
static int mmap_failed; /* Boolean flag. */
-static void *ehdr_curr; /* current ElfXX_Ehdr * for resource cleanup */
static char gpfx; /* prefix for global symbol name (sometimes '_') */
static struct stat sb; /* Remember .st_size, etc. */
static jmp_buf jmpenv; /* setjmp/longjmp per-file error escape */
static const char *altmcount; /* alternate mcount symbol name */
static int warn_on_notrace_sect; /* warn when section has mcount not being recorded */
+static void *file_map; /* pointer of the mapped file */
+static void *file_end; /* pointer to the end of the mapped file */
+static int file_updated; /* flag to state file was changed */
+static void *file_ptr; /* current file pointer location */
+static void *file_append; /* added to the end of the file */
+static size_t file_append_size; /* how much is added to end of file */
/* setjmp() return values */
enum {
@@ -67,10 +72,14 @@ static void
cleanup(void)
{
if (!mmap_failed)
- munmap(ehdr_curr, sb.st_size);
+ munmap(file_map, sb.st_size);
else
- free(ehdr_curr);
- close(fd_map);
+ free(file_map);
+ file_map = NULL;
+ free(file_append);
+ file_append = NULL;
+ file_append_size = 0;
+ file_updated = 0;
}
static void __attribute__((noreturn))
@@ -92,12 +101,22 @@ succeed_file(void)
static off_t
ulseek(int const fd, off_t const offset, int const whence)
{
- off_t const w = lseek(fd, offset, whence);
- if (w == (off_t)-1) {
- perror("lseek");
+ switch (whence) {
+ case SEEK_SET:
+ file_ptr = file_map + offset;
+ break;
+ case SEEK_CUR:
+ file_ptr += offset;
+ break;
+ case SEEK_END:
+ file_ptr = file_map + (sb.st_size - offset);
+ break;
+ }
+ if (file_ptr < file_map) {
+ fprintf(stderr, "lseek: seek before file\n");
fail_file();
}
- return w;
+ return file_ptr - file_map;
}
static size_t
@@ -114,12 +133,38 @@ uread(int const fd, void *const buf, size_t const count)
static size_t
uwrite(int const fd, void const *const buf, size_t const count)
{
- size_t const n = write(fd, buf, count);
- if (n != count) {
- perror("write");
- fail_file();
+ size_t cnt = count;
+ off_t idx = 0;
+
+ file_updated = 1;
+
+ if (file_ptr + count >= file_end) {
+ off_t aoffset = (file_ptr + count) - file_end;
+
+ if (aoffset > file_append_size) {
+ file_append = realloc(file_append, aoffset);
+ file_append_size = aoffset;
+ }
+ if (!file_append) {
+ perror("write");
+ fail_file();
+ }
+ if (file_ptr < file_end) {
+ cnt = file_end - file_ptr;
+ } else {
+ cnt = 0;
+ idx = aoffset - count;
+ }
}
- return n;
+
+ if (cnt)
+ memcpy(file_ptr, buf, cnt);
+
+ if (cnt < count)
+ memcpy(file_append + idx, buf + cnt, count - cnt);
+
+ file_ptr += count;
+ return count;
}
static void *
@@ -192,9 +237,7 @@ static int make_nop_arm64(void *map, size_t const offset)
*/
static void *mmap_file(char const *fname)
{
- void *addr;
-
- fd_map = open(fname, O_RDWR);
+ fd_map = open(fname, O_RDONLY);
if (fd_map < 0 || fstat(fd_map, &sb) < 0) {
perror(fname);
fail_file();
@@ -203,15 +246,58 @@ static void *mmap_file(char const *fname)
fprintf(stderr, "not a regular file: %s\n", fname);
fail_file();
}
- addr = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
- fd_map, 0);
+ file_map = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
+ fd_map, 0);
mmap_failed = 0;
- if (addr == MAP_FAILED) {
+ if (file_map == MAP_FAILED) {
mmap_failed = 1;
- addr = umalloc(sb.st_size);
- uread(fd_map, addr, sb.st_size);
+ file_map = umalloc(sb.st_size);
+ uread(fd_map, file_map, sb.st_size);
+ }
+ close(fd_map);
+
+ file_end = file_map + sb.st_size;
+
+ return file_map;
+}
+
+static void write_file(const char *fname)
+{
+ char tmp_file[strlen(fname) + 4];
+ size_t n;
+
+ if (!file_updated)
+ return;
+
+ sprintf(tmp_file, "%s.rc", fname);
+
+ /*
+ * After reading the entire file into memory, delete it
+ * and write it back, to prevent weird side effects of modifying
+ * an object file in place.
+ */
+ fd_map = open(tmp_file, O_WRONLY | O_TRUNC | O_CREAT, sb.st_mode);
+ if (fd_map < 0) {
+ perror(fname);
+ fail_file();
+ }
+ n = write(fd_map, file_map, sb.st_size);
+ if (n != sb.st_size) {
+ perror("write");
+ fail_file();
+ }
+ if (file_append_size) {
+ n = write(fd_map, file_append, file_append_size);
+ if (n != file_append_size) {
+ perror("write");
+ fail_file();
+ }
+ }
+ close(fd_map);
+ if (rename(tmp_file, fname) < 0) {
+ perror(fname);
+ fail_file();
}
- return addr;
}
/* w8rev, w8nat, ...: Handle endianness. */
@@ -318,7 +404,6 @@ do_file(char const *const fname)
Elf32_Ehdr *const ehdr = mmap_file(fname);
unsigned int reltype = 0;
- ehdr_curr = ehdr;
w = w4nat;
w2 = w2nat;
w8 = w8nat;
@@ -441,6 +526,7 @@ do_file(char const *const fname)
}
} /* end switch */
+ write_file(fname);
cleanup();
}
@@ -493,11 +579,14 @@ main(int argc, char *argv[])
case SJ_SETJMP: /* normal sequence */
/* Avoid problems if early cleanup() */
fd_map = -1;
- ehdr_curr = NULL;
mmap_failed = 1;
+ file_map = NULL;
+ file_ptr = NULL;
+ file_updated = 0;
do_file(file);
break;
case SJ_FAIL: /* error in do_file or below */
+ fprintf(stderr, "%s: failed\n", file);
++n_error;
break;
case SJ_SUCCEED: /* premature success */
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index fb111eafcb89..1c3872aeed14 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -751,16 +751,16 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen)
/* the key is probably readable - now try to read it */
can_read_key:
- ret = key_validate(key);
- if (ret == 0) {
- ret = -EOPNOTSUPP;
- if (key->type->read) {
- /* read the data with the semaphore held (since we
- * might sleep) */
- down_read(&key->sem);
+ ret = -EOPNOTSUPP;
+ if (key->type->read) {
+ /* Read the data with the semaphore held (since we might sleep)
+ * to protect against the key being updated or revoked.
+ */
+ down_read(&key->sem);
+ ret = key_validate(key);
+ if (ret == 0)
ret = key->type->read(key, buffer, buflen);
- up_read(&key->sem);
- }
+ up_read(&key->sem);
}
error2:
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index bff5c8b329d1..3b3658297070 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -954,6 +954,36 @@ static int azx_resume(struct device *dev)
}
#endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */
+#ifdef CONFIG_PM_SLEEP
+/* put codec down to D3 at hibernation for Intel SKL+;
+ * otherwise BIOS may still access the codec and screw up the driver
+ */
+#define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170)
+#define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70)
+#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
+#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci))
+
+static int azx_freeze_noirq(struct device *dev)
+{
+ struct pci_dev *pci = to_pci_dev(dev);
+
+ if (IS_SKL_PLUS(pci))
+ pci_set_power_state(pci, PCI_D3hot);
+
+ return 0;
+}
+
+static int azx_thaw_noirq(struct device *dev)
+{
+ struct pci_dev *pci = to_pci_dev(dev);
+
+ if (IS_SKL_PLUS(pci))
+ pci_set_power_state(pci, PCI_D0);
+
+ return 0;
+}
+#endif /* CONFIG_PM_SLEEP */
+
#ifdef CONFIG_PM
static int azx_runtime_suspend(struct device *dev)
{
@@ -1063,6 +1093,10 @@ static int azx_runtime_idle(struct device *dev)
static const struct dev_pm_ops azx_pm = {
SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume)
+#ifdef CONFIG_PM_SLEEP
+ .freeze_noirq = azx_freeze_noirq,
+ .thaw_noirq = azx_thaw_noirq,
+#endif
SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle)
};
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 8dd2ac13b3af..3a89d82f8057 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -67,6 +67,10 @@ enum {
ALC_HEADSET_TYPE_OMTP,
};
+enum {
+ ALC_KEY_MICMUTE_INDEX,
+};
+
struct alc_customize_define {
unsigned int sku_cfg;
unsigned char port_connectivity;
@@ -111,6 +115,7 @@ struct alc_spec {
void (*power_hook)(struct hda_codec *codec);
#endif
void (*shutup)(struct hda_codec *codec);
+ void (*reboot_notify)(struct hda_codec *codec);
int init_amp;
int codec_variant; /* flag for other variants */
@@ -122,6 +127,7 @@ struct alc_spec {
unsigned int pll_coef_idx, pll_coef_bit;
unsigned int coef0;
struct input_dev *kb_dev;
+ u8 alc_mute_keycode_map[1];
};
/*
@@ -773,6 +779,25 @@ static inline void alc_shutup(struct hda_codec *codec)
snd_hda_shutup_pins(codec);
}
+static void alc_reboot_notify(struct hda_codec *codec)
+{
+ struct alc_spec *spec = codec->spec;
+
+ if (spec && spec->reboot_notify)
+ spec->reboot_notify(codec);
+ else
+ alc_shutup(codec);
+}
+
+/* power down codec to D3 at reboot/shutdown; set as reboot_notify ops */
+static void alc_d3_at_reboot(struct hda_codec *codec)
+{
+ snd_hda_codec_set_power_to_all(codec, codec->core.afg, AC_PWRST_D3);
+ snd_hda_codec_write(codec, codec->core.afg, 0,
+ AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
+ msleep(10);
+}
+
#define alc_free snd_hda_gen_free
#ifdef CONFIG_PM
@@ -818,7 +843,7 @@ static const struct hda_codec_ops alc_patch_ops = {
.suspend = alc_suspend,
.check_power_status = snd_hda_gen_check_power_status,
#endif
- .reboot_notify = alc_shutup,
+ .reboot_notify = alc_reboot_notify,
};
@@ -1755,6 +1780,7 @@ enum {
ALC889_FIXUP_MBA11_VREF,
ALC889_FIXUP_MBA21_VREF,
ALC889_FIXUP_MP11_VREF,
+ ALC889_FIXUP_MP41_VREF,
ALC882_FIXUP_INV_DMIC,
ALC882_FIXUP_NO_PRIMARY_HP,
ALC887_FIXUP_ASUS_BASS,
@@ -1843,7 +1869,7 @@ static void alc889_fixup_mbp_vref(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
struct alc_spec *spec = codec->spec;
- static hda_nid_t nids[2] = { 0x14, 0x15 };
+ static hda_nid_t nids[3] = { 0x14, 0x15, 0x19 };
int i;
if (action != HDA_FIXUP_ACT_INIT)
@@ -2133,6 +2159,12 @@ static const struct hda_fixup alc882_fixups[] = {
.chained = true,
.chain_id = ALC885_FIXUP_MACPRO_GPIO,
},
+ [ALC889_FIXUP_MP41_VREF] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc889_fixup_mbp_vref,
+ .chained = true,
+ .chain_id = ALC885_FIXUP_MACPRO_GPIO,
+ },
[ALC882_FIXUP_INV_DMIC] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_inv_dmic,
@@ -2215,7 +2247,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
SND_PCI_QUIRK(0x106b, 0x3f00, "Macbook 5,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4000, "MacbookPro 5,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4100, "Macmini 3,1", ALC889_FIXUP_IMAC91_VREF),
- SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 5,1", ALC885_FIXUP_MACPRO_GPIO),
+ SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 4,1/5,1", ALC889_FIXUP_MP41_VREF),
SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum", ALC889_FIXUP_IMAC91_VREF),
@@ -3435,12 +3467,43 @@ static void gpio2_mic_hotkey_event(struct hda_codec *codec,
/* GPIO2 just toggles on a keypress/keyrelease cycle. Therefore
send both key on and key off event for every interrupt. */
- input_report_key(spec->kb_dev, KEY_MICMUTE, 1);
+ input_report_key(spec->kb_dev, spec->alc_mute_keycode_map[ALC_KEY_MICMUTE_INDEX], 1);
input_sync(spec->kb_dev);
- input_report_key(spec->kb_dev, KEY_MICMUTE, 0);
+ input_report_key(spec->kb_dev, spec->alc_mute_keycode_map[ALC_KEY_MICMUTE_INDEX], 0);
input_sync(spec->kb_dev);
}
+static int alc_register_micmute_input_device(struct hda_codec *codec)
+{
+ struct alc_spec *spec = codec->spec;
+ int i;
+
+ spec->kb_dev = input_allocate_device();
+ if (!spec->kb_dev) {
+ codec_err(codec, "Out of memory (input_allocate_device)\n");
+ return -ENOMEM;
+ }
+
+ spec->alc_mute_keycode_map[ALC_KEY_MICMUTE_INDEX] = KEY_MICMUTE;
+
+ spec->kb_dev->name = "Microphone Mute Button";
+ spec->kb_dev->evbit[0] = BIT_MASK(EV_KEY);
+ spec->kb_dev->keycodesize = sizeof(spec->alc_mute_keycode_map[0]);
+ spec->kb_dev->keycodemax = ARRAY_SIZE(spec->alc_mute_keycode_map);
+ spec->kb_dev->keycode = spec->alc_mute_keycode_map;
+ for (i = 0; i < ARRAY_SIZE(spec->alc_mute_keycode_map); i++)
+ set_bit(spec->alc_mute_keycode_map[i], spec->kb_dev->keybit);
+
+ if (input_register_device(spec->kb_dev)) {
+ codec_err(codec, "input_register_device failed\n");
+ input_free_device(spec->kb_dev);
+ spec->kb_dev = NULL;
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
static void alc280_fixup_hp_gpio2_mic_hotkey(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
@@ -3458,20 +3521,8 @@ static void alc280_fixup_hp_gpio2_mic_hotkey(struct hda_codec *codec,
struct alc_spec *spec = codec->spec;
if (action == HDA_FIXUP_ACT_PRE_PROBE) {
- spec->kb_dev = input_allocate_device();
- if (!spec->kb_dev) {
- codec_err(codec, "Out of memory (input_allocate_device)\n");
+ if (alc_register_micmute_input_device(codec) != 0)
return;
- }
- spec->kb_dev->name = "Microphone Mute Button";
- spec->kb_dev->evbit[0] = BIT_MASK(EV_KEY);
- spec->kb_dev->keybit[BIT_WORD(KEY_MICMUTE)] = BIT_MASK(KEY_MICMUTE);
- if (input_register_device(spec->kb_dev)) {
- codec_err(codec, "input_register_device failed\n");
- input_free_device(spec->kb_dev);
- spec->kb_dev = NULL;
- return;
- }
snd_hda_add_verbs(codec, gpio_init);
snd_hda_codec_write_cache(codec, codec->core.afg, 0,
@@ -3501,6 +3552,47 @@ static void alc280_fixup_hp_gpio2_mic_hotkey(struct hda_codec *codec,
}
}
+static void alc233_fixup_lenovo_line2_mic_hotkey(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ /* Line2 = mic mute hotkey
+ GPIO2 = mic mute LED */
+ static const struct hda_verb gpio_init[] = {
+ { 0x01, AC_VERB_SET_GPIO_MASK, 0x04 },
+ { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x04 },
+ {}
+ };
+
+ struct alc_spec *spec = codec->spec;
+
+ if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+ if (alc_register_micmute_input_device(codec) != 0)
+ return;
+
+ snd_hda_add_verbs(codec, gpio_init);
+ snd_hda_jack_detect_enable_callback(codec, 0x1b,
+ gpio2_mic_hotkey_event);
+
+ spec->gen.cap_sync_hook = alc_fixup_gpio_mic_mute_hook;
+ spec->gpio_led = 0;
+ spec->mute_led_polarity = 0;
+ spec->gpio_mic_led_mask = 0x04;
+ return;
+ }
+
+ if (!spec->kb_dev)
+ return;
+
+ switch (action) {
+ case HDA_FIXUP_ACT_PROBE:
+ spec->init_amp = ALC_INIT_DEFAULT;
+ break;
+ case HDA_FIXUP_ACT_FREE:
+ input_unregister_device(spec->kb_dev);
+ spec->kb_dev = NULL;
+ }
+}
+
static void alc269_fixup_hp_line1_mic1_led(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
@@ -4198,24 +4290,14 @@ static void alc_fixup_tpt440_dock(struct hda_codec *codec,
struct alc_spec *spec = codec->spec;
if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+ spec->shutup = alc_no_shutup; /* reduce click noise */
+ spec->reboot_notify = alc_d3_at_reboot; /* reduce noise */
spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP;
codec->power_save_node = 0; /* avoid click noises */
snd_hda_apply_pincfgs(codec, pincfgs);
}
}
-/* additional fixup for Thinkpad T440s noise problem */
-static void alc_fixup_tpt440(struct hda_codec *codec,
- const struct hda_fixup *fix, int action)
-{
- struct alc_spec *spec = codec->spec;
-
- if (action == HDA_FIXUP_ACT_PRE_PROBE) {
- spec->shutup = alc_no_shutup; /* reduce click noise */
- spec->gen.mixer_nid = 0; /* reduce background noise */
- }
-}
-
static void alc_shutup_dell_xps13(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
@@ -4606,10 +4688,12 @@ enum {
ALC288_FIXUP_DISABLE_AAMIX,
ALC292_FIXUP_DELL_E7X,
ALC292_FIXUP_DISABLE_AAMIX,
+ ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK,
ALC298_FIXUP_DELL1_MIC_NO_PRESENCE,
ALC275_FIXUP_DELL_XPS,
ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE,
ALC293_FIXUP_LENOVO_SPK_NOISE,
+ ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY,
};
static const struct hda_fixup alc269_fixups[] = {
@@ -5066,7 +5150,7 @@ static const struct hda_fixup alc269_fixups[] = {
},
[ALC292_FIXUP_TPT440] = {
.type = HDA_FIXUP_FUNC,
- .v.func = alc_fixup_tpt440,
+ .v.func = alc_fixup_disable_aamix,
.chained = true,
.chain_id = ALC292_FIXUP_TPT440_DOCK,
},
@@ -5169,6 +5253,12 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC269_FIXUP_DELL2_MIC_NO_PRESENCE
},
+ [ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc_fixup_disable_aamix,
+ .chained = true,
+ .chain_id = ALC293_FIXUP_DELL1_MIC_NO_PRESENCE
+ },
[ALC292_FIXUP_DELL_E7X] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_dell_xps13,
@@ -5213,6 +5303,10 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC269_FIXUP_THINKPAD_ACPI
},
+ [ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc233_fixup_lenovo_line2_mic_hotkey,
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -5247,11 +5341,11 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x06c7, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x06d9, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x06da, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
- SND_PCI_QUIRK(0x1028, 0x06db, "Dell", ALC292_FIXUP_DISABLE_AAMIX),
- SND_PCI_QUIRK(0x1028, 0x06dd, "Dell", ALC292_FIXUP_DISABLE_AAMIX),
- SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC292_FIXUP_DISABLE_AAMIX),
- SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC292_FIXUP_DISABLE_AAMIX),
- SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC292_FIXUP_DISABLE_AAMIX),
+ SND_PCI_QUIRK(0x1028, 0x06db, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
+ SND_PCI_QUIRK(0x1028, 0x06dd, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
+ SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
+ SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
+ SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
@@ -5358,9 +5452,11 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad T440", ALC292_FIXUP_TPT440_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad X240", ALC292_FIXUP_TPT440_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
+ SND_PCI_QUIRK(0x17aa, 0x2218, "Thinkpad X1 Carbon 2nd", ALC292_FIXUP_TPT440_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2223, "ThinkPad T550", ALC292_FIXUP_TPT440_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2233, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
+ SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index b3ea24d64c50..93b400800905 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1537,7 +1537,7 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
bool reconfig;
unsigned int aif_tx_state, aif_rx_state;
- if (params_rate(params) % 8000)
+ if (params_rate(params) % 4000)
rates = &arizona_44k1_bclk_rates[0];
else
rates = &arizona_48k_bclk_rates[0];
diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c
index 84f5eb07a91b..afa6c5db9dcc 100644
--- a/sound/soc/codecs/es8328.c
+++ b/sound/soc/codecs/es8328.c
@@ -85,7 +85,15 @@ static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 300, 0);
static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 300, 0);
-static const int deemph_settings[] = { 0, 32000, 44100, 48000 };
+static const struct {
+ int rate;
+ unsigned int val;
+} deemph_settings[] = {
+ { 0, ES8328_DACCONTROL6_DEEMPH_OFF },
+ { 32000, ES8328_DACCONTROL6_DEEMPH_32k },
+ { 44100, ES8328_DACCONTROL6_DEEMPH_44_1k },
+ { 48000, ES8328_DACCONTROL6_DEEMPH_48k },
+};
static int es8328_set_deemph(struct snd_soc_codec *codec)
{
@@ -97,21 +105,22 @@ static int es8328_set_deemph(struct snd_soc_codec *codec)
* rate.
*/
if (es8328->deemph) {
- best = 1;
- for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
- if (abs(deemph_settings[i] - es8328->playback_fs) <
- abs(deemph_settings[best] - es8328->playback_fs))
+ best = 0;
+ for (i = 1; i < ARRAY_SIZE(deemph_settings); i++) {
+ if (abs(deemph_settings[i].rate - es8328->playback_fs) <
+ abs(deemph_settings[best].rate - es8328->playback_fs))
best = i;
}
- val = best << 1;
+ val = deemph_settings[best].val;
} else {
- val = 0;
+ val = ES8328_DACCONTROL6_DEEMPH_OFF;
}
dev_dbg(codec->dev, "Set deemphasis %d\n", val);
- return snd_soc_update_bits(codec, ES8328_DACCONTROL6, 0x6, val);
+ return snd_soc_update_bits(codec, ES8328_DACCONTROL6,
+ ES8328_DACCONTROL6_DEEMPH_MASK, val);
}
static int es8328_get_deemph(struct snd_kcontrol *kcontrol,
diff --git a/sound/soc/codecs/es8328.h b/sound/soc/codecs/es8328.h
index cb36afe10c0e..156c748c89c7 100644
--- a/sound/soc/codecs/es8328.h
+++ b/sound/soc/codecs/es8328.h
@@ -153,6 +153,7 @@ int es8328_probe(struct device *dev, struct regmap *regmap);
#define ES8328_DACCONTROL6_CLICKFREE (1 << 3)
#define ES8328_DACCONTROL6_DAC_INVR (1 << 4)
#define ES8328_DACCONTROL6_DAC_INVL (1 << 5)
+#define ES8328_DACCONTROL6_DEEMPH_MASK (3 << 6)
#define ES8328_DACCONTROL6_DEEMPH_OFF (0 << 6)
#define ES8328_DACCONTROL6_DEEMPH_32k (1 << 6)
#define ES8328_DACCONTROL6_DEEMPH_44_1k (2 << 6)
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index ef76940f9dcb..3e3c7f6be29d 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -1667,9 +1667,13 @@ static int rt5645_spk_event(struct snd_soc_dapm_widget *w,
RT5645_PWR_CLS_D_L,
RT5645_PWR_CLS_D | RT5645_PWR_CLS_D_R |
RT5645_PWR_CLS_D_L);
+ snd_soc_update_bits(codec, RT5645_GEN_CTRL3,
+ RT5645_DET_CLK_MASK, RT5645_DET_CLK_MODE1);
break;
case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_update_bits(codec, RT5645_GEN_CTRL3,
+ RT5645_DET_CLK_MASK, RT5645_DET_CLK_DIS);
snd_soc_write(codec, RT5645_EQ_CTRL2, 0);
snd_soc_update_bits(codec, RT5645_PWR_DIG1,
RT5645_PWR_CLS_D | RT5645_PWR_CLS_D_R |
diff --git a/sound/soc/codecs/rt5645.h b/sound/soc/codecs/rt5645.h
index 093e46d559fb..205e0715c99a 100644
--- a/sound/soc/codecs/rt5645.h
+++ b/sound/soc/codecs/rt5645.h
@@ -2122,6 +2122,10 @@ enum {
/* General Control3 (0xfc) */
#define RT5645_JD_PSV_MODE (0x1 << 12)
#define RT5645_IRQ_CLK_GATE_CTRL (0x1 << 11)
+#define RT5645_DET_CLK_MASK (0x3 << 9)
+#define RT5645_DET_CLK_DIS (0x0 << 9)
+#define RT5645_DET_CLK_MODE1 (0x1 << 9)
+#define RT5645_DET_CLK_MODE2 (0x2 << 9)
#define RT5645_MICINDET_MANU (0x1 << 7)
#define RT5645_RING2_SLEEVE_GND (0x1 << 5)
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index f540f82b1f27..08b40460663c 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -189,6 +189,7 @@ static int power_vag_event(struct snd_soc_dapm_widget *w,
case SND_SOC_DAPM_POST_PMU:
snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER,
SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP);
+ msleep(400);
break;
case SND_SOC_DAPM_PRE_PMD:
diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c
index 0a60677397b3..4c29bd2ae75c 100644
--- a/sound/soc/codecs/wm8974.c
+++ b/sound/soc/codecs/wm8974.c
@@ -574,6 +574,7 @@ static const struct regmap_config wm8974_regmap = {
.max_register = WM8974_MONOMIX,
.reg_defaults = wm8974_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8974_reg_defaults),
+ .cache_type = REGCACHE_FLAT,
};
static int wm8974_probe(struct snd_soc_codec *codec)
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index c1c9c2e3525b..2ccb8bccc9d4 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -223,8 +223,8 @@ static void mcasp_start_tx(struct davinci_mcasp *mcasp)
/* wait for XDATA to be cleared */
cnt = 0;
- while (!(mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) &
- ~XRDATA) && (cnt < 100000))
+ while ((mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) & XRDATA) &&
+ (cnt < 100000))
cnt++;
/* Release TX state machine */
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index ffd5f9acc849..08b460ba06ef 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -505,6 +505,24 @@ static int fsl_sai_trigger(struct snd_pcm_substream *substream, int cmd,
FSL_SAI_CSR_FR, FSL_SAI_CSR_FR);
regmap_update_bits(sai->regmap, FSL_SAI_RCSR,
FSL_SAI_CSR_FR, FSL_SAI_CSR_FR);
+
+ /*
+ * For sai master mode, after several open/close sai,
+ * there will be no frame clock, and can't recover
+ * anymore. Add software reset to fix this issue.
+ * This is a hardware bug, and will be fix in the
+ * next sai version.
+ */
+ if (!sai->is_slave_mode) {
+ /* Software Reset for both Tx and Rx */
+ regmap_write(sai->regmap,
+ FSL_SAI_TCSR, FSL_SAI_CSR_SR);
+ regmap_write(sai->regmap,
+ FSL_SAI_RCSR, FSL_SAI_CSR_SR);
+ /* Clear SR bit to finish the reset */
+ regmap_write(sai->regmap, FSL_SAI_TCSR, 0);
+ regmap_write(sai->regmap, FSL_SAI_RCSR, 0);
+ }
}
break;
default:
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index ffea427aeca8..ad4d0f82603e 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -1240,7 +1240,6 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
*/
ret = snd_soc_tplg_component_load(&platform->component,
&skl_tplg_ops, fw, 0);
- release_firmware(fw);
if (ret < 0) {
dev_err(bus->dev, "tplg component load failed%d\n", ret);
return -EINVAL;
@@ -1249,5 +1248,7 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
skl->resource.max_mcps = SKL_MAX_MCPS;
skl->resource.max_mem = SKL_FW_MAX_MEM;
+ skl->tplg = fw;
+
return 0;
}
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index 5319529aedf7..caa69c4598a6 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -25,6 +25,7 @@
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
+#include <linux/firmware.h>
#include <sound/pcm.h>
#include "skl.h"
@@ -520,6 +521,9 @@ static void skl_remove(struct pci_dev *pci)
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
struct skl *skl = ebus_to_skl(ebus);
+ if (skl->tplg)
+ release_firmware(skl->tplg);
+
if (pci_dev_run_wake(pci))
pm_runtime_get_noresume(&pci->dev);
pci_dev_put(pci);
diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h
index dd2e79ae45a8..a0709e344d44 100644
--- a/sound/soc/intel/skylake/skl.h
+++ b/sound/soc/intel/skylake/skl.h
@@ -68,6 +68,8 @@ struct skl {
struct skl_dsp_resource resource;
struct list_head ppl_list;
struct list_head dapm_path_list;
+
+ const struct firmware *tplg;
};
#define skl_to_ebus(s) (&(s)->ebus)
diff --git a/sound/soc/rockchip/rockchip_spdif.c b/sound/soc/rockchip/rockchip_spdif.c
index ac72ff5055bb..5a806da89f42 100644
--- a/sound/soc/rockchip/rockchip_spdif.c
+++ b/sound/soc/rockchip/rockchip_spdif.c
@@ -152,8 +152,10 @@ static int rk_spdif_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
ret = regmap_update_bits(spdif->regmap, SPDIF_DMACR,
- SPDIF_DMACR_TDE_ENABLE,
- SPDIF_DMACR_TDE_ENABLE);
+ SPDIF_DMACR_TDE_ENABLE |
+ SPDIF_DMACR_TDL_MASK,
+ SPDIF_DMACR_TDE_ENABLE |
+ SPDIF_DMACR_TDL(16));
if (ret != 0)
return ret;
diff --git a/sound/soc/rockchip/rockchip_spdif.h b/sound/soc/rockchip/rockchip_spdif.h
index 921b4095fb92..3ef12770ae12 100644
--- a/sound/soc/rockchip/rockchip_spdif.h
+++ b/sound/soc/rockchip/rockchip_spdif.h
@@ -42,7 +42,7 @@
#define SPDIF_DMACR_TDL_SHIFT 0
#define SPDIF_DMACR_TDL(x) ((x) << SPDIF_DMACR_TDL_SHIFT)
-#define SPDIF_DMACR_TDL_MASK (0x1f << SDPIF_DMACR_TDL_SHIFT)
+#define SPDIF_DMACR_TDL_MASK (0x1f << SPDIF_DMACR_TDL_SHIFT)
/*
* XFER
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index f494dced3c11..4f85757009b3 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1354,6 +1354,8 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
}
}
+ snd_usb_mixer_fu_apply_quirk(state->mixer, cval, unitid, kctl);
+
range = (cval->max - cval->min) / cval->res;
/*
* Are there devices with volume range more than 255? I use a bit more
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index 6a803eff87f7..ddca6547399b 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -348,13 +348,6 @@ static struct usbmix_name_map bose_companion5_map[] = {
{ 0 } /* terminator */
};
-/* Dragonfly DAC 1.2, the dB conversion factor is 1 instead of 256 */
-static struct usbmix_dB_map dragonfly_1_2_dB = {0, 5000};
-static struct usbmix_name_map dragonfly_1_2_map[] = {
- { 7, NULL, .dB = &dragonfly_1_2_dB },
- { 0 } /* terminator */
-};
-
/*
* Control map entries
*/
@@ -470,11 +463,6 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
.id = USB_ID(0x05a7, 0x1020),
.map = bose_companion5_map,
},
- {
- /* Dragonfly DAC 1.2 */
- .id = USB_ID(0x21b4, 0x0081),
- .map = dragonfly_1_2_map,
- },
{ 0 } /* terminator */
};
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index fe91184ce832..0ce888dceed0 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -37,6 +37,7 @@
#include <sound/control.h>
#include <sound/hwdep.h>
#include <sound/info.h>
+#include <sound/tlv.h>
#include "usbaudio.h"
#include "mixer.h"
@@ -1825,3 +1826,39 @@ void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
}
}
+static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
+ struct snd_kcontrol *kctl)
+{
+ /* Approximation using 10 ranges based on output measurement on hw v1.2.
+ * This seems close to the cubic mapping e.g. alsamixer uses. */
+ static const DECLARE_TLV_DB_RANGE(scale,
+ 0, 1, TLV_DB_MINMAX_ITEM(-5300, -4970),
+ 2, 5, TLV_DB_MINMAX_ITEM(-4710, -4160),
+ 6, 7, TLV_DB_MINMAX_ITEM(-3884, -3710),
+ 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
+ 15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
+ 17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
+ 20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
+ 27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
+ 32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
+ 41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
+ );
+
+ usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk\n");
+ kctl->tlv.p = scale;
+ kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+}
+
+void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
+ struct usb_mixer_elem_info *cval, int unitid,
+ struct snd_kcontrol *kctl)
+{
+ switch (mixer->chip->usb_id) {
+ case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
+ if (unitid == 7 && cval->min == 0 && cval->max == 50)
+ snd_dragonfly_quirk_db_scale(mixer, kctl);
+ break;
+ }
+}
+
diff --git a/sound/usb/mixer_quirks.h b/sound/usb/mixer_quirks.h
index bdbfab093816..177c329cd4dd 100644
--- a/sound/usb/mixer_quirks.h
+++ b/sound/usb/mixer_quirks.h
@@ -9,5 +9,9 @@ void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
int unitid);
+void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
+ struct usb_mixer_elem_info *cval, int unitid,
+ struct snd_kcontrol *kctl);
+
#endif /* SND_USB_MIXER_QUIRKS_H */
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 7016ad898187..b6c0c8e3b450 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1125,6 +1125,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
+ case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
return true;
}
return false;
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index 918b4de29de4..6419f57b0850 100644
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -110,7 +110,7 @@ int cmd_buildid_list(int argc, const char **argv,
setup_pager();
if (show_kernel)
- return sysfs__fprintf_build_id(stdout);
+ return !(sysfs__fprintf_build_id(stdout) > 0);
return perf_session__list_build_ids(force, with_hits);
}
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index fa9eb92c9e24..81def6c3f24b 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -298,6 +298,9 @@ static bool hist_browser__toggle_fold(struct hist_browser *browser)
struct callchain_list *cl = container_of(ms, struct callchain_list, ms);
bool has_children;
+ if (!he || !ms)
+ return false;
+
if (ms == &he->ms)
has_children = hist_entry__toggle_fold(he);
else
@@ -928,6 +931,8 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser)
}
ui_browser__hists_init_top(browser);
+ hb->he_selection = NULL;
+ hb->selection = NULL;
for (nd = browser->top; nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
@@ -1033,6 +1038,9 @@ static void ui_browser__hists_seek(struct ui_browser *browser,
* and stop when we printed enough lines to fill the screen.
*/
do_offset:
+ if (!nd)
+ return;
+
if (offset > 0) {
do {
h = rb_entry(nd, struct hist_entry, rb_node);
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 217b5a60e2ab..6a7e273a514a 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -91,7 +91,7 @@ int build_id__sprintf(const u8 *build_id, int len, char *bf)
bid += 2;
}
- return raw - build_id;
+ return (bid - bf) + 1;
}
int sysfs__sprintf_build_id(const char *root_dir, char *sbuild_id)
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index e48d9da75707..6fc8cd753e1a 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -124,6 +124,10 @@ struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
.symbol = "dummy",
.alias = "",
},
+ [PERF_COUNT_SW_BPF_OUTPUT] = {
+ .symbol = "bpf-output",
+ .alias = "",
+ },
};
#define __PERF_EVENT_FIELD(config, name) \
@@ -1879,7 +1883,7 @@ restart:
for (i = 0; i < max; i++, syms++) {
- if (event_glob != NULL &&
+ if (event_glob != NULL && syms->symbol != NULL &&
!(strglobmatch(syms->symbol, event_glob) ||
(syms->alias && strglobmatch(syms->alias, event_glob))))
continue;
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 65461f821a75..7a2f449bd85d 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1114,7 +1114,7 @@ bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, struct irq_phys_map *map)
return true;
}
- return dist_active_irq(vcpu);
+ return vgic_irq_is_active(vcpu, map->virt_irq);
}
/*