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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree fixes from Greg KH:
"Here are two tiny staging tree fixes. One for the nvec driver to
resolve a reported problem, and one to add a MAINTAINERS entry for the
Android drivers"
* tag 'staging-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
MAINTAINERS: add Android driver entries
staging: nvec: specify a platform-device base id
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes and quirk additions for 3.19-rc7.
All have been in linux-next for a while with no reported problems"
* tag 'usb-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: Add OTG PET device to TPL
usb-storage/SCSI: blacklist FUA on JMicron 152d:2566 USB-SATA controller
uas: Add no-report-opcodes quirk for Simpletech devices with id 4971:8017
storage: Revise/fix quirk for 04E6:000F SCM USB-SCSI converter
usb: phy: never defer probe in non-OF case
usb: dwc2: call dwc2_is_controller_alive() under spinlock
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This patch fixes the following kernel crash,
WARNING: CPU: 2 PID: 0 at net/ipv4/tcp_input.c:3079 tcp_clean_rtx_queue+0x658/0x80c()
Call trace:
[<fffffe0000096b7c>] dump_backtrace+0x0/0x184
[<fffffe0000096d10>] show_stack+0x10/0x1c
[<fffffe0000685ea0>] dump_stack+0x74/0x98
[<fffffe00000b44e0>] warn_slowpath_common+0x88/0xb0
[<fffffe00000b461c>] warn_slowpath_null+0x14/0x20
[<fffffe00005b5c1c>] tcp_clean_rtx_queue+0x654/0x80c
[<fffffe00005b6228>] tcp_ack+0x454/0x688
[<fffffe00005b6ca8>] tcp_rcv_established+0x4a4/0x62c
[<fffffe00005bf4b4>] tcp_v4_do_rcv+0x16c/0x350
[<fffffe00005c225c>] tcp_v4_rcv+0x8e8/0x904
[<fffffe000059d470>] ip_local_deliver_finish+0x100/0x26c
[<fffffe000059dad8>] ip_local_deliver+0xac/0xc4
[<fffffe000059d6c4>] ip_rcv_finish+0xe8/0x328
[<fffffe000059dd3c>] ip_rcv+0x24c/0x38c
[<fffffe0000563950>] __netif_receive_skb_core+0x29c/0x7c8
[<fffffe0000563ea4>] __netif_receive_skb+0x28/0x7c
[<fffffe0000563f54>] netif_receive_skb_internal+0x5c/0xe0
[<fffffe0000564810>] napi_gro_receive+0xb4/0x110
[<fffffe0000482a2c>] xgene_enet_process_ring+0x144/0x338
[<fffffe0000482d18>] xgene_enet_napi+0x1c/0x50
[<fffffe0000565454>] net_rx_action+0x154/0x228
[<fffffe00000b804c>] __do_softirq+0x110/0x28c
[<fffffe00000b8424>] irq_exit+0x8c/0xc0
[<fffffe0000093898>] handle_IRQ+0x44/0xa8
[<fffffe000009032c>] gic_handle_irq+0x38/0x7c
[...]
Software writes poison data into the descriptor bytes[15:8] and upon
receiving the interrupt, if those bytes are overwritten by the hardware with
the valid data, software also reads bytes[7:0] and executes receive/tx
completion logic.
If the CPU executes the above two reads in out of order fashion, then the
bytes[7:0] will have older data and causing the kernel panic. We have to
force the order of the reads and thus this patch introduces read memory
barrier between these reads.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is only an API consolidation and should make things more readable
it replaces var * HZ / 1000 constructs by msecs_to_jiffies(var).
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow the selftest on the resizable hash table to be built modular, just
like all other tests that do not depend on DEBUG_KERNEL.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Toshiaki Makita says:
====================
Fix checksum error when using stacked vlan
When I was testing 802.1ad, I found several drivers don't take into
account 802.1ad or multiple vlans when retrieving L3 (IP/IPv6) or
L4 (TCP/UDP) protocol for checksum offload.
It is mainly due to vlan_get_protocol(), which extracts ether type only
when it is tagged with single 802.1Q. When 802.1ad is used or there are
multiple vlans, it extracts vlan protocol and drivers cannot determine
which L3/L4 protocol is used.
Those drivers, most of which have IP_CSUM/IPV6_CSUM features, get L3/L4
header-offset by software, so it seems that their checksum offload works
with multiple vlans if we can parse protocols correctly.
(They know mac header length, and probably don't care about what is in it.)
And another thing, some of Intel's drivers seem to use skb->protocol where
vlan_get_protocol() is more suitable.
I tested that at least igb/igbvf on I350 works with this patch set.
Note:
We can hand a double tagged packet with CHECKSUM_PARTIAL to a HW driver
by creating a vlan device on a bridge device and enabling vlan_filtering
of the bridge with 802.1ad protocol.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a skb has multiple vlans and it is CHECKSUM_PARTIAL,
ixgbevf_tx_csum() fails to get the network protocol and checksum related
descriptor fields are not configured correctly because skb->protocol
doesn't show the L3 protocol in this case.
Use first->protocol instead of skb->protocol to get the proper network
protocol.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a skb has multiple vlans and it is CHECKSUM_PARTIAL,
ixgbe_tx_csum() fails to get the network protocol and checksum related
descriptor fields are not configured correctly because skb->protocol
doesn't show the L3 protocol in this case.
Use vlan_get_protocol() to get the proper network protocol.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a skb has multiple vlans and it is CHECKSUM_PARTIAL,
igbvf_tx_csum() fails to get the network protocol and checksum related
descriptor fields are not configured correctly because skb->protocol
doesn't show the L3 protocol in this case.
Use vlan_get_protocol() to get the proper network protocol.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vlan_get_protocol() could not get network protocol if a skb has a 802.1ad
vlan tag or multiple vlans, which caused incorrect checksum calculation
in several drivers.
Fix vlan_get_protocol() to retrieve network protocol instead of incorrect
vlan protocol.
As the logic is the same as skb_network_protocol(), create a common helper
function __vlan_get_protocol() and call it from existing functions.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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They are all either written once or extremly rarely (e.g. from init
code), so we can move them to the .data..read_mostly section.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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sctp_process_param
When making use of RFC5061, section 4.2.4. for setting the primary IP
address, we're passing a wrong parameter header to param_type2af(),
resulting always in NULL being returned.
At this point, param.p points to a sctp_addip_param struct, containing
a sctp_paramhdr (type = 0xc004, length = var), and crr_id as a correlation
id. Followed by that, as also presented in RFC5061 section 4.2.4., comes
the actual sctp_addr_param, which also contains a sctp_paramhdr, but
this time with the correct type SCTP_PARAM_IPV{4,6}_ADDRESS that
param_type2af() can make use of. Since we already hold a pointer to
addr_param from previous line, just reuse it for param_type2af().
Fixes: d6de3097592b ("[SCTP]: Add the handling of "Set Primary IP Address" parameter to INIT")
Signed-off-by: Saran Maruti Ramanara <saran.neti@telus.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The subscription bitmask passed via struct sockaddr_nl is converted to
the group number when calling the netlink_bind() and netlink_unbind()
callbacks.
The conversion is however incorrect since bitmask (1 << 0) needs to be
mapped to group number 1. Note that you cannot specify the group number 0
(usually known as _NONE) from setsockopt() using NETLINK_ADD_MEMBERSHIP
since this is rejected through -EINVAL.
This problem became noticeable since 97840cb ("netfilter: nfnetlink:
fix insufficient validation in nfnetlink_bind") when binding to bitmask
(1 << 0) in ctnetlink.
Reported-by: Andre Tomt <andre@tomt.net>
Reported-by: Ivan Delalande <colona@arista.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tony Lindgren says:
====================
Changes to cpsw and davinci_emac for getting MAC address
Here are a few patches to add common code for cpsw and davinci_emac for
getting the MAC address. Looks like we can also now add code to get the
MAC address on 3517 but in a slightly different way.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Looks like on 3517 davinci_emac MAC address registers have a
different layout compared to dm816x and am33xx.
Let's add a function to get the 3517 MAC address.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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At least on dm81xx, we can get the davinci_emac MAC address the same
way as on am33xx cpsw.
Let's also use ether_addr_copy() for davinci_emac while at it.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Looks like davinci_emac and cpsw can share some code although the
device registers have a different layout.
At least the code for getting the MAC address using syscon can
be shared by passing the register offset. Let's start with that
and set up a minimal shared cpsw-shared.c.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit afe1de664ef3cb756e70938d99417dcbc6b1379a.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This reverts commit 67d7209e1f481cbaed37f9a224a328a3f83d0482.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This reverts commit 016d9fb25cd9817ea9c723f4f7ecd978636b4489.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This reverts commit e5d1dcf1b0951f4ba00d93653942dda6196109d8.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This reverts commit 3bcce487fda8161597c20ed303d510e41ad7770e.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This reverts commit 5141861cd5e17eac9676ff49c5abfafbea2b0e98.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This reverts commit bb42a6dd02fb2901a69dbec2358810735b14b186.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This reverts commit ce347ab90eaabc69a6146d41943981d51e7a9b82.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Mostly tooling fixes, but also an event groups fix, two PMU driver
fixes and a CPU model variant addition"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Tighten (and fix) the grouping condition
perf/x86/intel: Add model number for Airmont
perf/rapl: Fix crash in rapl_scale()
perf/x86/intel/uncore: Move uncore_box_init() out of driver initialization
perf probe: Fix probing kretprobes
perf symbols: Introduce 'for' method to iterate over the symbols with a given name
perf probe: Do not rely on map__load() filter to find symbols
perf symbols: Introduce method to iterate symbols ordered by name
perf symbols: Return the first entry with a given name in find_by_name method
perf annotate: Fix memory leaks in LOCK handling
perf annotate: Handle ins parsing failures
perf scripting perl: Force to use stdbool
perf evlist: Remove extraneous 'was' on error message
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fix from Chris Mason:
"We have one more fix for btrfs in my for-linus branch - this was a bug
in the new raid5/6 scrubbing support"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: fix raid56 scrub failed in xfstests btrfs/072
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull quota and UDF fix from Jan Kara:
"A fix for UDF to properly free preallocated blocks and a fix for quota
so that Q_GETQUOTA quotactl reports correct numbers for XFS filesystem
(and similarly Q_XGETQUOTA quotactl works properly for other
filesystems)"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Switch ->get_dqblk() and ->set_dqblk() to use bytes as space units
udf: Release preallocation on last writeable close
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Pull KVM fixes from Paolo Bonzini:
"The ARM changes are largish, but not too scary. And a simple fix for
x86 (bug introduced in 3.19)"
(Paolo sayus these are the "Final" fixes. We'll see).
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: check LAPIC presence when building apic_map
arm/arm64: KVM: Use kernel mapping to perform invalidation on page fault
arm/arm64: KVM: Invalidate data cache on unmap
arm/arm64: KVM: Use set/way op trapping to track the state of the caches
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Two small fixes for the Tegra GART IOMMU driver:
- provide a .map_sg function for iommu_ops
- do not register Tegra GART driver as a workaround because of issues
with it when used from DRM code"
* tag 'iommu-fixes-v3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/tegra: gart: Provide default ->map_sg() callback
iommu/tegra: gart: Do not register with bus
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Pull intel and dp mst drm fixes from Dave Airlie:
"Intel had a few more fixes lined up and no point me sitting on them,
along with a DP MST fix from Rob for a race at undock + vt switch"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm: fix fb-helper vs MST dangling connector ptrs (v2)
drm/i915: BDW Fix Halo PCI IDs marked as ULT.
drm/i915: Fix and clean BDW PCH identification
drm/i915: Only fence tiled region of object.
drm/i915: fix inconsistent brightness after resume
drm/i915: Init PPGTT before context enable
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Fix misspelled define.
Fixes: 33692f27597f ("vm: add VM_FAULT_SIGSEGV handling support")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Release statistics and module refcount on memory allocation problems.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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DMA read requests could miss proper termination, so two more bytes would
have been read via PIO overwriting the end of the buffer with wrong
data. Make DMA stop handling more readable while we are here.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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We forgot to re-check LAPIC after splitting the loop in commit
173beedc1601 (KVM: x86: Software disabled APIC should still deliver
NMIs, 2014-11-02).
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Fixes: 173beedc1601f51dae9d579aa7a414c5aa8f700b
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The wait_on_bit_timeout() is a simpler and race-free way of waiting for
a bit to be cleared than the current code in btusb.c. This patch updates
the code to use the helper function (its btusb copy - to be later
updated to use a global one).
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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The test for BTUSB_DOWNLOADING must be after adding to the wait queue
and setting the TASK_INTERRUPTIBLE state. Otherwise the flag may get
cleared after we test for it and we end up getting a timeout since
schedule_timeout() waits for the full duration. This patch uses a
wait_on_bit_timeout() + wake_up_bit(). To perform the task both
race-free as well as in a much simpler way.
Since there's no global wait_on_bit_timeout() helper yet (even though
all the building blocks for it are in place) this patch creates a
temporary local btusb copy of it until the global one has made it to
upstream trees.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Fix memory leak in the gpio sysfs interface due to failure to drop
reference to device returned by class_find_device when setting the
gpio-line polarity.
Fixes: 0769746183ca ("gpiolib: add support for changing value polarity
in sysfs")
Cc: stable <stable@vger.kernel.org> # v2.6.33
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Fix memory leak in the gpio sysfs interface due to failure to drop
reference to device returned by class_find_device when creating a link.
Fixes: a4177ee7f1a8 ("gpiolib: allow exported GPIO nodes to be named
using sysfs links")
Cc: stable <stable@vger.kernel.org> # v2.6.32
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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In general all Intel Bluetooth devices support retrieving of additional
exception information. However for older generations including Wilkens
Peak and Stone Peak it is not as simple. So for now only enable the
Intel specific error handling for Snowfield Peak and later devices.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
Second round of fixes for KVM/ARM for 3.19.
Fixes memory corruption issues on APM platforms and swapping issues on
DMA-coherent systems.
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git://anongit.freedesktop.org/drm-intel into drm-fixes
misc i915 fixes, mostly all stable material as well.
* tag 'drm-intel-fixes-2015-01-29' of git://anongit.freedesktop.org/drm-intel:
drm/i915: BDW Fix Halo PCI IDs marked as ULT.
drm/i915: Fix and clean BDW PCH identification
drm/i915: Only fence tiled region of object.
drm/i915: fix inconsistent brightness after resume
drm/i915: Init PPGTT before context enable
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VT switch back/forth from console to xserver (for example) has potential
to go horribly wrong if a dynamic DP MST connector ends up in the saved
modeset that is restored when switching back to fbcon.
When removing a dynamic connector, don't forget to clean up the saved
state.
v1: original
v2: null out set->fb if no more connectors to avoid making i915 cranky
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1184968
Cc: stable@vger.kernel.org #v3.17+
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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commit f5a41847acc5 ("ipvs: move ip_route_me_harder for ICMP")
from 2.6.37 introduced ip_route_me_harder() call for responses to
local clients, so that we can provide valid rt_src after SNAT.
It was used by TCP to provide valid daddr for ip_send_reply().
After commit 0a5ebb8000c5 ("ipv4: Pass explicit daddr arg to
ip_send_reply()." from 3.0 this rerouting is not needed anymore
and should be avoided, especially in LOCAL_IN.
Fixes 3.12.33 crash in xfrm reported by Florian Wiessner:
"3.12.33 - BUG xfrm_selector_match+0x25/0x2f6"
Reported-by: Smart Weblications GmbH - Florian Wiessner <f.wiessner@smart-weblications.de>
Tested-by: Smart Weblications GmbH - Florian Wiessner <f.wiessner@smart-weblications.de>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"One stable fix for a dm-cache 3.19-rc6 regression and one stable fix
for dm-thin:
- fix DM cache metadata open/lookup error paths to properly use
ERR_PTR and IS_ERR (fixes: 3.19-rc6 "stable" commit 9b1cc9f251)
- fix DM thin-provisioning to disallow userspace from sending
messages to the thin-pool if the pool is in READ_ONLY or FAIL mode
since no metadata changes are allowed in these modes"
* tag 'dm-3.19-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm thin: don't allow messages to be sent to a pool target in READ_ONLY or FAIL mode
dm cache: fix missing ERR_PTR returns and handling
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RFC 1191 said, "a host MUST not increase its estimate of the Path
MTU in response to the contents of a Datagram Too Big message."
Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
- Stable fix for a NFSv4.1 Oops on mount
- Stable fix for an O_DIRECT deadlock condition
- Fix an issue with submounted volumes and fake duplicate inode
numbers"
* tag 'nfs-for-3.19-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: Fix use of nfs_attr_use_mounted_on_fileid()
NFSv4.1: Fix an Oops in nfs41_walk_client_list
nfs: fix dio deadlock when O_DIRECT flag is flipped
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fixes from Sage Weil:
"These paches from Ilya finally squash a race condition with layered
images that he's been chasing for a while"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
rbd: drop parent_ref in rbd_dev_unprobe() unconditionally
rbd: fix rbd_dev_parent_get() when parent_overlap == 0
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Arnd Bergmann says:
====================
net: driver fixes from arm randconfig builds
These four patches are fallout from test builds on ARM. I have a
few more of them in my backlog but have not yet confirmed them
to still be valid.
The first three patches are about incomplete dependencies on
old drivers. One could backport them to the beginning of time
in theory, but there is little value since nobody would run into
these problems.
The final patch is one I had submitted before together with the
respective pcmcia patch but forgot to follow up on that. It's
still a valid but relatively theoretical bug, because the previous
behavior of the driver was just as broken as what we have in
mainline.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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A recent patch tried to work around a valid warning for the use of a
deprecated interface by blindly changing from the old
pcmcia_request_exclusive_irq() interface to pcmcia_request_irq().
This driver has an interrupt handler that is not currently aware
of shared interrupts, but can be easily converted to be.
At the moment, the driver reads the interrupt status register
repeatedly until it contains only zeroes in the interesting bits,
and handles each bit individually.
This patch adds the missing part of returning IRQ_NONE in case none
of the bits are set to start with, so we can move on to the next
interrupt source.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 5f5316fcd08ef7 ("am2150: Update nmclan_cs.c to use update PCMCIA API")
Signed-off-by: David S. Miller <davem@davemloft.net>
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