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This reverts commit 5df7ef7d32fec1d6d1c34dbec019b461a12ce870 as Hans
reports it causes problems on some systems. Until a "real" fix for this
can be found, revert this change to get normal functionality back.
Link: https://lore.kernel.org/r/70ca74c2-4a80-e25b-eca9-a63a75516673@redhat.com
Cc: Tom Yan <tom.ty89@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for 5.10-rc7
Here's a fix for a regression in the option driver which has been
backported to the stable trees and fix for a small memory leak on open
in the kl5kusb105 driver.
Included are also various new device ids.
All but the memleak fix has been in linux-next and with no reported
issues.
* tag 'usb-serial-5.10-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: kl5kusb105: fix memleak on open
USB: serial: ch341: sort device-id entries
USB: serial: ch341: add new Product ID for CH341A
USB: serial: option: fix Quectel BG96 matching
USB: serial: option: add support for Thales Cinterion EXS82
USB: serial: option: add Fibocom NL668 variants
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Fix memory leak of control-message transfer buffer on successful open().
Fixes: 6774d5f53271 ("USB: serial: kl5kusb105: fix open error path")
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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Keep the device-id entries sorted to make it easier to add new ones in
the right spot.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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Add PID for CH340 that's found on a ch341 based Programmer made by keeyees.
The specific device that contains the serial converter is described
here: http://www.keeyees.com/a/Products/ej/36.html
The driver works flawlessly as soon as the new PID (0x5512) is added to
it.
Signed-off-by: Jan-Niklas Burfeind <kernel@aiyionpri.me>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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This is a partial revert of commit 2bb70f0a4b23 ("USB: serial:
option: support dynamic Quectel USB compositions")
The Quectel BG96 is different from most other modern Quectel modems,
having serial functions with 3 endpoints using ff/ff/ff and ff/fe/ff
class/subclass/protocol. Including it in the change to accommodate
dynamic function mapping was incorrect.
Revert to interface number matching for the BG96, assuming static
layout of the RMNET function on interface 4. This restores support
for the serial functions on interfaces 2 and 3.
Full lsusb output for the BG96:
Bus 002 Device 003: ID 2c7c:0296
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x2c7c
idProduct 0x0296
bcdDevice 0.00
iManufacturer 3 Qualcomm, Incorporated
iProduct 2 Qualcomm CDMA Technologies MSM
iSerial 4 d1098243
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 145
bNumInterfaces 5
bConfigurationValue 1
iConfiguration 1 Qualcomm Configuration
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 254
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x85 EP 5 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x86 EP 6 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 4
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x87 EP 7 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x88 EP 8 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x05 EP 5 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
Cc: Sebastian Sjoholm <sebastian.sjoholm@gmail.com>
Fixes: 2bb70f0a4b23 ("USB: serial: option: support dynamic Quectel USB compositions")
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-linus
Mika writes:
thunderbolt: Fix for v5.10-rc7
This includes a single fix for use-after-free bug after resume from
hibernation.
* tag 'thunderbolt-for-v5.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Fix use-after-free in remove_unplugged_switch()
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git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-linus
Peter writes:
- Fixed hardware role switch issue at TI platform
- Fixed scatter-list buffer handling
- Fixed error goto label issue
* tag 'usb-fixes-v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb:
usb: cdns3: core: fix goto label for error path
usb: cdns3: gadget: clear trb->length as zero after preparing every trb
usb: cdns3: Fix hardware based role switch
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The usb_role_switch_register has been already called, so if the
devm_request_irq has failed, it needs to call usb_role_switch_unregister.
Fixes: b1234e3b3b26 ("usb: cdns3: add runtime PM support")
Signed-off-by: Peter Chen <peter.chen@nxp.com>
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It clears trb->length as zero before preparing td, but if scatter
buffer is used for td, there are several trbs within td, it needs to clear
every trb->length as zero, otherwise, the default value for trb->length
may not be zero after it begins to use the second round of trb rings.
Fixes: abc6b579048e ("usb: cdns3: gadget: using correct sg operations")
Signed-off-by: Peter Chen <peter.chen@nxp.com>
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Hardware based role switch is broken as the driver always skips it.
Fix this by registering for SW role switch only if 'usb-role-switch'
property is present in the device tree.
Fixes: 50642709f659 ("usb: cdns3: core: quit if it uses role switch class")
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"Two more places which invoke tracing from RCU disabled regions in the
idle path.
Similar to the entry path the low level idle functions have to be
non-instrumentable"
* tag 'locking-urgent-2020-11-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
intel_idle: Fix intel_idle() vs tracing
sched/idle: Fix arch_cpu_idle() vs tracing
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Two fixes for irqchip drivers:
- Save and restore the GICV3 ITS state unconditionally on
suspend/resume to handle firmware which fails to do so.
- Use the correct index into the fwspec parameters to read the irq
trigger type in the EXIU chip driver"
* tag 'irq-urgent-2020-11-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3-its: Unconditionally save/restore the ITS state on suspend
irqchip/exiu: Fix the index of fwspec for IRQ type
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Borislav Petkov:
"More EFI fixes forwarded from Ard Biesheuvel:
- revert efivarfs kmemleak fix again - it was a false positive
- make CONFIG_EFI_EARLYCON depend on CONFIG_EFI explicitly so it does
not pull in other dependencies unnecessarily if CONFIG_EFI is not
set
- defer attempts to load SSDT overrides from EFI vars until after the
efivar layer is up"
* tag 'efi-urgent-for-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: EFI_EARLYCON should depend on EFI
efivarfs: revert "fix memory leak in efivarfs_create()"
efi/efivars: Set generic ops before loading SSDT
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"A couple of urgent fixes which accumulated this last week:
- Two resctrl fixes to prevent refcount leaks when manipulating the
resctrl fs (Xiaochen Shen)
- Correct prctl(PR_GET_SPECULATION_CTRL) reporting (Anand K Mistry)
- A fix to not lose already seen MCE severity which determines
whether the machine can recover (Gabriele Paoloni)"
* tag 'x86_urgent_for_v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Do not overwrite no_way_out if mce_end() fails
x86/speculation: Fix prctl() when spectre_v2_user={seccomp,prctl},ibpb
x86/resctrl: Add necessary kernfs_put() calls to prevent refcount leak
x86/resctrl: Remove superfluous kernfs_get() calls to prevent refcount leak
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"I've collected a handful of fixes over the past few weeks:
- A fix to un-break the build-id argument to the vDSO build, which is
necessary for the LLVM linker.
- A fix to initialize the jump label subsystem, without which it (and
all the stuff that uses it) doesn't actually function.
- A fix to include <asm/barrier.h> from <vdso/processor.h>, without
which some drivers won't compile"
* tag 'riscv-for-linus-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: fix barrier() use in <vdso/processor.h>
RISC-V: Add missing jump label initialization
riscv: Explicitly specify the build id style in vDSO Makefile again
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Remove unused OBJSIZE variable.
- Fix rootless deb-pkg build in a setgid directory.
* tag 'kbuild-fixes-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
builddeb: Fix rootless build in setuid/setgid directory
kbuild: remove unused OBJSIZE
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tool fixes from Arnaldo Carvalho de Melo:
- Fix die_entrypc() when DW_AT_ranges DWARF attribute not available
- Cope with broken DWARF (missing DW_AT_declaration) generated by some
recent gcc versions
- Do not generate CGROUP metadata events when not asked to in 'perf
record'
- Use proper CPU for shadow stats in 'perf stat'
- Update copy of libbpf's hashmap.c, silencing tools/perf build warning
- Fix return value in 'perf diff'
* tag 'perf-tools-fixes-for-v5.10-2020-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf probe: Change function definition check due to broken DWARF
perf probe: Fix to die_entrypc() returns error correctly
perf stat: Use proper cpu for shadow stats
perf record: Synthesize cgroup events only if needed
perf diff: Fix error return value in __cmd_diff()
perf tools: Update copy of libbpf's hashmap.c
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / PHY driver fixes from Greg KH:
"Here are a few small USB and PHY driver fixes for 5.10-rc6. They
include:
- small PHY driver fixes to resolve reported issues
- USB quirks added for "broken" devices
- typec fixes for reported problems
- USB gadget fixes for small issues
Full details are in the shortlog, nothing major in here and all have
been in linux-next with no reported issues"
* tag 'usb-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: typec: stusb160x: fix power-opmode property with typec-power-opmode
USB: core: Change %pK for __user pointers to %px
USB: core: Fix regression in Hercules audio card
usb: gadget: Fix memleak in gadgetfs_fill_super
usb: gadget: f_midi: Fix memleak in f_midi_alloc
USB: quirks: Add USB_QUIRK_DISCONNECT_SUSPEND quirk for Lenovo A630Z TIO built-in usb-audio card
usb: typec: qcom-pmic-typec: fix builtin build errors
phy: mediatek: fix spelling mistake in Kconfig "veriosn" -> "version"
phy: qualcomm: Fix 28 nm Hi-Speed USB PHY OF dependency
phy: qualcomm: usb: Fix SuperSpeed PHY OF dependency
phy: intel: PHY_INTEL_KEEMBAY_EMMC should depend on ARCH_KEEMBAY
usb: cdns3: gadget: calculate TD_SIZE based on TD
usb: cdns3: gadget: initialize link_trb as NULL
phy: cpcap-usb: Use IRQF_ONESHOT
phy: qcom-qmp: Initialize another pointer to NULL
phy: tegra: xusb: Fix dangling pointer on probe failure
phy: usb: Fix incorrect clearing of tca_drv_sel bit in SETUP reg for 7211
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small misc driver fixes for 5.10-rc6. They include:
- interconnect fixes for reported problems
- habanalabs bugfix for found issue when doing the switch fallthrough
patches
- MAINTAINERS file update for coresight reviewers/maintainers
All have been in linux-next with no reported issues"
* tag 'char-misc-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
MAINTAINERS: Adding help for coresight subsystem
habanalabs/gaudi: fix missing code in ECC handling
interconnect: fix memory trashing in of_count_icc_providers()
interconnect: qcom: qcs404: Remove GPU and display RPM IDs
interconnect: qcom: msm8916: Remove rpm-ids from non-RPM nodes
interconnect: qcom: msm8974: Don't boost the NoC rate during boot
interconnect: qcom: msm8974: Prevent integer overflow in rate
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fix from Arnd Bergmann:
"Add correct MAX_POSSIBLE_PHYSMEM_BITS setting to asm-generic.
This is a single bugfix for a bug that Stefan Agner found on 32-bit
Arm, but that exists on several other architectures"
* tag 'asm-generic-fixes-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
arch: pgtable: define MAX_POSSIBLE_PHYSMEM_BITS where needed
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Another set of patches for devicetree files and Arm SoC specific
drivers:
- A fix for OP-TEE shared memory on non-SMP systems
- multiple code fixes for the OMAP platform, including one regression
for the CPSW network driver and a few runtime warning fixes
- Some DT patches for the Rockchip RK3399 platform, in particular
fixing the MMC device ordering that recently became
nondeterministic with async probe.
- Multiple DT fixes for the Tegra platform, including a regression
fix for suspend/resume on TX2
- A regression fix for a user-triggered fault in the NXP dpio driver
- A regression fix for a bug caused by an earlier bug fix in the
xilinx firmware driver
- Two more DTC warning fixes
- Sylvain Lemieux steps down as maintainer for the NXP LPC32xx
platform"
* tag 'arm-soc-fixes-v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
arm64: tegra: Fix Tegra234 VDK node names
arm64: tegra: Wrong AON HSP reg property size
arm64: tegra: Fix USB_VBUS_EN0 regulator on Jetson TX1
arm64: tegra: Correct the UART for Jetson Xavier NX
arm64: tegra: Disable the ACONNECT for Jetson TX2
optee: add writeback to valid memory type
firmware: xilinx: Use hash-table for api feature check
firmware: xilinx: Fix SD DLL node reset issue
soc: fsl: dpio: Get the cpumask through cpumask_of(cpu)
ARM: dts: dra76x: m_can: fix order of clocks
bus: ti-sysc: suppress err msg for timers used as clockevent/source
MAINTAINERS: Remove myself as LPC32xx maintainers
arm64: dts: qcom: clear the warnings caused by empty dma-ranges
arm64: dts: broadcom: clear the warnings caused by empty dma-ranges
ARM: dts: am437x-l4: fix compatible for cpsw switch dt node
arm64: dts: rockchip: Reorder LED triggers from mmc devices on rk3399-roc-pc.
arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 boards.
arm64: dts: rockchip: Remove system-power-controller from pmic on Odroid Go Advance
arm64: dts: rockchip: fix NanoPi R2S GMAC clock name
ARM: OMAP2+: Manage MPU state properly for omap_enter_idle_coupled()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.10-rc6, including fixes from the WiFi driver,
and CAN subtrees.
Current release - regressions:
- gro_cells: reduce number of synchronize_net() calls
- ch_ktls: release a lock before jumping to an error path
Current release - always broken:
- tcp: Allow full IP tos/IPv6 tclass to be reflected in L3 header
Previous release - regressions:
- net/tls: fix missing received data after fast remote close
- vsock/virtio: discard packets only when socket is really closed
- sock: set sk_err to ee_errno on dequeue from errq
- cxgb4: fix the panic caused by non smac rewrite
Previous release - always broken:
- tcp: fix corner cases around setting ECN with BPF selection of
congestion control
- tcp: fix race condition when creating child sockets from syncookies
on loopback interface
- usbnet: ipheth: fix connectivity with iOS 14
- tun: honor IOCB_NOWAIT flag
- net/packet: fix packet receive on L3 devices without visible hard
header
- devlink: Make sure devlink instance and port are in same net
namespace
- net: openvswitch: fix TTL decrement action netlink message format
- bonding: wait for sysfs kobject destruction before freeing struct
slave
- net: stmmac: fix upstream patch applied to the wrong context
- bnxt_en: fix return value and unwind in probe error paths
Misc:
- devlink: add extra layer of categorization to the reload stats uAPI
before it's released"
* tag 'net-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits)
sock: set sk_err to ee_errno on dequeue from errq
mptcp: fix NULL ptr dereference on bad MPJ
net: openvswitch: fix TTL decrement action netlink message format
can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
can: mcp251xfd: mcp251xfd_probe(): bail out if no IRQ was given
can: gs_usb: fix endianess problem with candleLight firmware
ch_ktls: lock is not freed
net/tls: Protect from calling tls_dev_del for TLS RX twice
devlink: Make sure devlink instance and port are in same net namespace
devlink: Hold rtnl lock while reading netdev attributes
ptp: clockmatrix: bug fix for idtcm_strverscmp
enetc: Let the hardware auto-advance the taprio base-time of 0
gro_cells: reduce number of synchronize_net() calls
net: stmmac: fix incorrect merge of patch upstream
ipv6: addrlabel: fix possible memory leak in ip6addrlbl_net_init
Documentation: netdev-FAQ: suggest how to post co-dependent series
ibmvnic: enhance resetting status check during module exit
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three small fixes in the UFS driver: two are for power management
issues and the third is to fix a slew of problem in the sysfs code"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: Fix race between shutdown and runtime resume flow
scsi: ufs: Make sure clk scaling happens only when HBA is runtime ACTIVE
scsi: ufs: Fix unexpected values from ufshcd_read_desc_param()
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Pull io_uring fixes from Jens Axboe:
- Out of bounds fix for the cq size cap from earlier this release (Joseph)
- iov_iter type check fix (Pavel)
- Files grab + cancelation fix (Pavel)
* tag 'io_uring-5.10-2020-11-27' of git://git.kernel.dk/linux-block:
io_uring: fix files grab/cancel race
io_uring: fix ITER_BVEC check
io_uring: fix shift-out-of-bounds when round up cq size
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Pull block fix from Jens Axboe:
"Just a single fix, for a crash in the keyslot manager"
* tag 'block-5.10-2020-11-27' of git://git.kernel.dk/linux-block:
block/keyslot-manager: prevent crash when num_slots=1
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few fixes for various warnings that accumulated over past two weeks:
- tree-checker: add missing return values for some errors
- lockdep fixes
- when reading qgroup config and starting quota rescan
- reverse order of quota ioctl lock and VFS freeze lock
- avoid accessing potentially stale fs info during device scan,
reported by syzbot
- add scope NOFS protection around qgroup relation changes
- check for running transaction before flushing qgroups
- fix tracking of new delalloc ranges for some cases"
* tag 'for-5.10-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix lockdep splat when enabling and disabling qgroups
btrfs: do nofs allocations when adding and removing qgroup relations
btrfs: fix lockdep splat when reading qgroup config on mount
btrfs: tree-checker: add missing returns after data_ref alignment checks
btrfs: don't access possibly stale fs_info data for printing duplicate device
btrfs: tree-checker: add missing return after error in root_item
btrfs: qgroup: don't commit transaction when we already hold the handle
btrfs: fix missing delalloc new bit for new delalloc ranges
|
|
Pull rdma fixes from Jason Gunthorpe:
"Two security issues and several small bug fixes. Things seem to have
stabilized for this release here.
Summary:
- Significant out of bounds access security issue in i40iw
- Fix misuse of mmu notifiers in hfi1
- Several errors in the register map/usage in hns
- Missing error returns in mthca"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/hns: Bugfix for memory window mtpt configuration
RDMA/hns: Fix retry_cnt and rnr_cnt when querying QP
RDMA/hns: Fix wrong field of SRQ number the device supports
IB/hfi1: Ensure correct mm is used at all times
RDMA/i40iw: Address an mmap handler exploit in i40iw
IB/mthca: fix return value of error branch in mthca_init_cq()
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd fixes from Miquel Raynal:
"Because of a recent change in the core, NAND controller drivers
initializing the ECC engine too early in the probe path are broken.
Drivers should wait for the NAND device to be discovered and its
memory layout known before doing any ECC related initialization, so
instead of reverting the faulty change which is actually moving in the
right direction, let's fix the drivers directly: socrates, sharpsl,
r852, plat_nand, pasemi, tmio, txx9ndfmc, orion, mpc5121, lpc32xx_slc,
lpc32xx_mlc, fsmc, diskonchip, davinci, cs553x, au1550, ams-delta,
xway and gpio"
* tag 'mtd/fixes-for-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: socrates: Move the ECC initialization to ->attach_chip()
mtd: rawnand: sharpsl: Move the ECC initialization to ->attach_chip()
mtd: rawnand: r852: Move the ECC initialization to ->attach_chip()
mtd: rawnand: plat_nand: Move the ECC initialization to ->attach_chip()
mtd: rawnand: pasemi: Move the ECC initialization to ->attach_chip()
mtd: rawnand: tmio: Move the ECC initialization to ->attach_chip()
mtd: rawnand: txx9ndfmc: Move the ECC initialization to ->attach_chip()
mtd: rawnand: orion: Move the ECC initialization to ->attach_chip()
mtd: rawnand: mpc5121: Move the ECC initialization to ->attach_chip()
mtd: rawnand: lpc32xx_slc: Move the ECC initialization to ->attach_chip()
mtd: rawnand: lpc32xx_mlc: Move the ECC initialization to ->attach_chip()
mtd: rawnand: fsmc: Move the ECC initialization to ->attach_chip()
mtd: rawnand: diskonchip: Move the ECC initialization to ->attach_chip()
mtd: rawnand: davinci: Move the ECC initialization to ->attach_chip()
mtd: rawnand: cs553x: Move the ECC initialization to ->attach_chip()
mtd: rawnand: au1550: Move the ECC initialization to ->attach_chip()
mtd: rawnand: ams-delta: Move the ECC initialization to ->attach_chip()
mtd: rawnand: xway: Move the ECC initialization to ->attach_chip()
mtd: rawnand: gpio: Move the ECC initialization to ->attach_chip()
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few fixes for v5.10, one for the core which fixes some potential
races for controllers with multiple chip selects when configuration of
the chip select for one client device races with the addition and
initial setup of an additional client"
* tag 'spi-fix-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: dw: Fix spi registration for controllers overriding CS
spi: imx: fix the unbalanced spi runtime pm management
spi: spi-nxp-fspi: fix fspi panic by unexpected interrupts
spi: Take the SPI IO-mutex in the spi_setup() method
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull virtual digital TV driver fixes from Mauro Carvalho Chehab:
"A series of fixes for the new virtual digital TV driver (vidtv), which
is meant to help doing tests with the digital TV core and media
userspace apps and libraries.
They cover a series of issues I found on it, together with a few new
things in order to make it easier to detect problems at the DVB core"
* tag 'media/v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (36 commits)
media: vidtv.rst: add kernel-doc markups
media: vidtv.rst: update vidtv documentation
media: vidtv: simplify EIT write function
media: vidtv: simplify NIT write function
media: vidtv: simplify SDT write function
media: vidtv: cleanup PMT write table function
media: vidtv: cleanup PAT write function
media: vidtv: cleanup PSI table header function
media: vidtv: cleanup PSI descriptor write function
media: vidtv: simplify the crc writing logic
media: vidtv: simplify PSI write function
media: vidtv: add date to the current event
media: vidtv: fix service_id at SDT table
media: vidtv: fix service type
media: vidtv: add a PID entry for the NIT table
media: vidtv: properly fill EIT service_id
media: vidtv: fix the network ID range
media: vidtv: improve EIT data
media: vidtv: cleanup null packet initialization logic
media: vidtv: pre-initialize mux arrays
...
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|
Pull drm fixes from Dave Airlie:
"Unfortunately this has a bit of thanksgiving stuffing in it, as it a
bit larger (at least the vc4 patches) than I like at this point in
time.
The main thing is it has a bunch of regressions fixes for reports in
the last couple of weeks, ast, nouveau and the amdgpu ttm init fix,
along with the usual selection of amdgpu and i915 fixes.
The vc4 fixes are a few but they are fixes and the nastiest one is a
fix for when you have a 2.4Ghz Wifi and a HDMI signal with a clock in
that range and there isn't enough shielding and interference happen
between the two, the fix adjusts the mode clock to try and avoid the
wifi channels in that case.
Hopefully you can merge this between turkey slices, and next week
should be quieter.
ast:
- LUT loading regression fix
nouveau:
- relocations regression fix
amdgpu:
- ttm init oops fix
- Runtime pm fix
- SI UVD suspend/resume fix
- HDCP fix for headless cards
- Sienna Cichlid golden register update
i915:
- Fix Perf/OA workaround register corruption (Lionel)
- Correct a comment statement in GVT (Yan)
- Fix GT enable/disable iterrupts, including a race condition that
prevented GPU to go idle (Chris)
- Free stale request on destroying the virtual engine (Chris)
exynos:
- config dependency fix
mediatek:
- unused var removal
- horizonal front/back porch formula fix
vc4:
- wifi and hdmi interference fix
- mode rejection fixes
- use after free fix
- cleanup some code"
* tag 'drm-fixes-2020-11-27-1' of git://anongit.freedesktop.org/drm/drm: (28 commits)
drm/nouveau: fix relocations applying logic and a double-free
drm/ast: Reload gamma LUT after changing primary plane's color format
drm/amdgpu: Fix size calculation when init onchip memory
drm/amdgpu: update golden setting for sienna_cichlid
drm/amd/display: Avoid HDCP initialization in devices without output
drm/i915/gt: Free stale request on destroying the virtual engine
drm/i915/gt: Don't cancel the interrupt shadow too early
drm/i915/gt: Track signaled breadcrumbs outside of the breadcrumb spinlock
drm/amdgpu: fix a page fault
drm/amdgpu: fix SI UVD firmware validate resume fail
drm/amd/amdgpu: fix null pointer in runtime pm
drm/i915/gt: Defer enabling the breadcrumb interrupt to after submission
drm/i915/gvt: correct a false comment of flag F_UNALIGN
drm/i915/perf: workaround register corruption in OATAILPTR
drm/vc4: kms: Don't disable the muxing of an active CRTC
drm/vc4: kms: Store the unassigned channel list in the state
drm/exynos: depend on COMMON_CLK to fix compile tests
drm/mediatek: dsi: Modify horizontal front/back porch byte formula
drm/vc4: hdmi: Disable Wifi Frequencies
dt-bindings: display: Add a property to deal with WiFi coexistence
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2020-11-27
The first patch is by me and target the gs_usb driver and fixes the endianess
problem with candleLight firmware.
Another patch by me for the mcp251xfd driver add sanity checking to bail out if
no IRQ is configured.
The next three patches target the m_can driver. A patch by me removes the
hardcoded IRQF_TRIGGER_FALLING from the request_threaded_irq() as this clashes
with the trigger level specified in the DT. Further a patch by me fixes the
nominal bitiming tseg2 min value for modern m_can cores. Pankaj Sharma's patch
add support for cores version 3.3.x.
The last patch by Oliver Hartkopp is for af_can and converts a WARN() into a
pr_warn(), which is triggered by the syzkaller. It was able to create a
situation where the closing of a socket runs simultaneously to the notifier
call chain for removing the CAN network device in use.
* tag 'linux-can-fixes-for-5.10-20201127' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
can: mcp251xfd: mcp251xfd_probe(): bail out if no IRQ was given
can: gs_usb: fix endianess problem with candleLight firmware
====================
Link: https://lore.kernel.org/r/20201127100301.512603-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- thinkpad_acpi fixes: two bug-fixes and three model specific quirks
- fixes for misc other drivers: two bug-fixes and three model specific
quirks
* tag 'platform-drivers-x86-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: touchscreen_dmi: Add info for the Irbis TW118 tablet
platform/x86: touchscreen_dmi: Add info for the Predia Basic tablet
platform/x86: intel-vbtn: Support for tablet mode on HP Pavilion 13 x360 PC
platform/x86: toshiba_acpi: Fix the wrong variable assignment
platform/x86: acer-wmi: add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE
platform/x86: thinkpad_acpi: Whitelist P15 firmware for dual fan control
platform/x86: thinkpad_acpi: Send tablet mode switch at wakeup time
platform/x86: thinkpad_acpi: Add BAT1 is primary battery quirk for Thinkpad Yoga 11e 4th gen
platform/x86: thinkpad_acpi: Do not report SW_TABLET_MODE on Yoga 11e
platform/x86: thinkpad_acpi: add P1 gen3 second fan support
|
|
When setting sk_err, set it to ee_errno, not ee_origin.
Commit f5f99309fa74 ("sock: do not set sk_err in
sock_dequeue_err_skb") disabled updating sk_err on errq dequeue,
which is correct for most error types (origins):
- sk->sk_err = err;
Commit 38b257938ac6 ("sock: reset sk_err when the error queue is
empty") reenabled the behavior for IMCP origins, which do require it:
+ if (icmp_next)
+ sk->sk_err = SKB_EXT_ERR(skb_next)->ee.ee_origin;
But read from ee_errno.
Fixes: 38b257938ac6 ("sock: reset sk_err when the error queue is empty")
Reported-by: Ayush Ranjan <ayushranjan@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Link: https://lore.kernel.org/r/20201126151220.2819322-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
If an msk listener receives an MPJ carrying an invalid token, it
will zero the request socket msk entry. That should later
cause fallback and subflow reset - as per RFC - at
subflow_syn_recv_sock() time due to failing hmac validation.
Since commit 4cf8b7e48a09 ("subflow: introduce and use
mptcp_can_accept_new_subflow()"), we unconditionally dereference
- in mptcp_can_accept_new_subflow - the subflow request msk
before performing hmac validation. In the above scenario we
hit a NULL ptr dereference.
Address the issue doing the hmac validation earlier.
Fixes: 4cf8b7e48a09 ("subflow: introduce and use mptcp_can_accept_new_subflow()")
Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/03b2cfa3ac80d8fc18272edc6442a9ddf0b1e34e.1606400227.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix alignment of the new HYP sections
- Fix GICR_TYPER access from userspace
S390:
- do not reset the global diag318 data for per-cpu reset
- do not mark memory as protected too early
- fix for destroy page ultravisor call
x86:
- fix for SEV debugging
- fix incorrect return code
- fix for 'noapic' with PIC in userspace and LAPIC in kernel
- fix for 5-level paging"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: x86/mmu: Fix get_mmio_spte() on CPUs supporting 5-level PT
KVM: x86: Fix split-irqchip vs interrupt injection window request
KVM: x86: handle !lapic_in_kernel case in kvm_cpu_*_extint
MAINTAINERS: Update email address for Sean Christopherson
MAINTAINERS: add uv.c also to KVM/s390
s390/uv: handle destroy page legacy interface
KVM: arm64: vgic-v3: Drop the reporting of GICR_TYPER.Last for userspace
KVM: SVM: fix error return code in svm_create_vcpu()
KVM: SVM: Fix offset computation bug in __sev_dbg_decrypt().
KVM: arm64: Correctly align nVHE percpu data
KVM: s390: remove diag318 reset code
KVM: s390: pv: Mark mm as protected after the set secure parameters and improve cleanup
|
|
Currently, the openvswitch module is not accepting the correctly formated
netlink message for the TTL decrement action. For both setting and getting
the dec_ttl action, the actions should be nested in the
OVS_DEC_TTL_ATTR_ACTION attribute as mentioned in the openvswitch.h uapi.
When the original patch was sent, it was tested with a private OVS userspace
implementation. This implementation was unfortunately not upstreamed and
reviewed, hence an erroneous version of this patch was sent out.
Leaving the patch as-is would cause problems as the kernel module could
interpret additional attributes as actions and vice-versa, due to the
actions not being encapsulated/nested within the actual attribute, but
being concatinated after it.
Fixes: 744676e77720 ("openvswitch: add TTL decrement action")
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/160622121495.27296.888010441924340582.stgit@wsfd-netdev64.ntdv.lab.eng.bos.redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Some more powerpc fixes for 5.10:
- regression fix for a boot failure on some 32-bit machines.
- fix for host crashes in the KVM system reset handling.
- fix for a possible oops in the KVM XIVE interrupt handling on
Power9.
- fix for host crashes triggerable via the KVM emulated MMIO handling
when running HPT guests.
- a couple of small build fixes.
Thanks to Andreas Schwab, Cédric Le Goater, Christophe Leroy, Erhard
Furtner, Greg Kurz, Greg Kurz, Németh Márton, Nicholas Piggin, Nick
Desaulniers, Serge Belyshev, and Stephen Rothwell"
* tag 'powerpc-5.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s: Fix allnoconfig build since uaccess flush
powerpc/64s/exception: KVM Fix for host DSI being taken in HPT guest MMU context
powerpc: Drop -me200 addition to build flags
KVM: PPC: Book3S HV: XIVE: Fix possible oops when accessing ESB page
powerpc/64s: Fix KVM system reset handling when CONFIG_PPC_PSERIES=y
powerpc/32s: Use relocation offset when setting early hash table
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The main changes are relating to our handling of access/dirty bits,
where our low-level page-table helpers could lead to stale young
mappings and loss of the dirty bit in some cases (the latter has not
been observed in practice, but could happen when clearing "soft-dirty"
if we enabled that). These were posted as part of a larger series, but
the rest of that is less urgent and needs a v2 which I'll get to
shortly.
In other news, we've now got a set of fixes to resolve the
lockdep/tracing problems that have been plaguing us for a while, but
they're still a bit "fresh" and I plan to send them to you next week
after we've got some more confidence in them (although initial CI
results look good).
Summary:
- Fix kerneldoc warnings generated by ACPI IORT code
- Fix pte_accessible() so that access flag is ignored
- Fix missing header #include
- Fix loss of software dirty bit across pte_wrprotect() when HW DBM
is enabled"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: pgtable: Ensure dirty bit is preserved across pte_wrprotect()
arm64: pgtable: Fix pte_accessible()
ACPI/IORT: Fix doc warnings in iort.c
arm64/fpsimd: add <asm/insn.h> to <asm/kprobes.h> to fix fpsimd build
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull iommu fixes from Will Deacon:
"Here's another round of IOMMU fixes for -rc6 consisting mainly of a
bunch of independent driver fixes. Thomas agreed for me to take the
x86 'tboot' fix here, as it fixes a regression introduced by a vt-d
change.
- Fix intel iommu driver when running on devices without VCCAP_REG
- Fix swiotlb and "iommu=pt" interaction under TXT (tboot)
- Fix missing return value check during device probe()
- Fix probe ordering for Qualcomm SMMU implementation
- Ensure page-sized mappings are used for AMD IOMMU buffers with SNP
RMP"
* tag 'iommu-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
iommu/vt-d: Don't read VCCAP register unless it exists
x86/tboot: Don't disable swiotlb when iommu is forced on
iommu: Check return of __iommu_attach_device()
arm-smmu-qcom: Ensure the qcom_scm driver has finished probing
iommu/amd: Enforce 4k mapping for certain IOMMU data structures
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk fixes from Petr Mladek:
- do not lose trailing newline in pr_cont() calls
- two trivial fixes for a dead store and a config description
* tag 'printk-for-5.10-rc6-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: finalize records with trailing newlines
printk: remove unneeded dead-store assignment
init/Kconfig: Fix CPU number in LOG_CPU_MAX_BUF_SHIFT description
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull writeback fix from Jan Kara:
"A fix of possible missing string termination in writeback tracepoints"
* tag 'writeback_for_v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
trace: fix potenial dangerous pointer
|
|
Since some gcc generates a broken DWARF which lacks DW_AT_declaration
attribute from the subprogram DIE of function prototype.
(https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97060)
So, in addition to the DW_AT_declaration check, we also check the
subprogram DIE has DW_AT_inline or actual entry pc.
Committer testing:
# cat /etc/fedora-release
Fedora release 33 (Thirty Three)
#
Before:
# perf test vfs_getname
78: Use vfs_getname probe to get syscall args filenames : FAILED!
79: Check open filename arg using perf trace + vfs_getname : FAILED!
81: Add vfs_getname probe to get syscall args filenames : FAILED!
#
After:
# perf test vfs_getname
78: Use vfs_getname probe to get syscall args filenames : Ok
79: Check open filename arg using perf trace + vfs_getname : Ok
81: Add vfs_getname probe to get syscall args filenames : Ok
#
Reported-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Link: http://lore.kernel.org/lkml/160645613571.2824037.7441351537890235895.stgit@devnote2
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Fix die_entrypc() to return error correctly if the DIE has no
DW_AT_ranges attribute. Since dwarf_ranges() will treat the case as an
empty ranges and return 0, we have to check it by ourselves.
Fixes: 91e2f539eeda ("perf probe: Fix to show function entry line as probe-able")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: http://lore.kernel.org/lkml/160645612634.2824037.5284932731175079426.stgit@devnote2
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
Currently perf stat shows some metrics (like IPC) for defined events.
But when no aggregation mode is used (-A option), it shows incorrect
values since it used a value from a different cpu.
Before:
$ perf stat -aA -e cycles,instructions sleep 1
Performance counter stats for 'system wide':
CPU0 116,057,380 cycles
CPU1 86,084,722 cycles
CPU2 99,423,125 cycles
CPU3 98,272,994 cycles
CPU0 53,369,217 instructions # 0.46 insn per cycle
CPU1 33,378,058 instructions # 0.29 insn per cycle
CPU2 58,150,086 instructions # 0.50 insn per cycle
CPU3 40,029,703 instructions # 0.34 insn per cycle
1.001816971 seconds time elapsed
So the IPC for CPU1 should be 0.38 (= 33,378,058 / 86,084,722)
but it was 0.29 (= 33,378,058 / 116,057,380) and so on.
After:
$ perf stat -aA -e cycles,instructions sleep 1
Performance counter stats for 'system wide':
CPU0 109,621,384 cycles
CPU1 159,026,454 cycles
CPU2 99,460,366 cycles
CPU3 124,144,142 cycles
CPU0 44,396,706 instructions # 0.41 insn per cycle
CPU1 120,195,425 instructions # 0.76 insn per cycle
CPU2 44,763,978 instructions # 0.45 insn per cycle
CPU3 69,049,079 instructions # 0.56 insn per cycle
1.001910444 seconds time elapsed
Fixes: 44d49a600259 ("perf stat: Support metrics in --per-core/socket mode")
Reported-by: Sam Xi <xyzsam@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20201127041404.390276-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
It didn't check the tool->cgroup_events bit which is set when the
--all-cgroups option is given. Without it, samples will not have cgroup
info so no reason to synthesize.
We can check the PERF_RECORD_CGROUP records after running perf record
*WITHOUT* the --all-cgroups option:
Before:
$ perf report -D | grep CGROUP
0 0 0x8430 [0x38]: PERF_RECORD_CGROUP cgroup: 1 /
CGROUP events: 1
CGROUP events: 0
CGROUP events: 0
After:
$ perf report -D | grep CGROUP
CGROUP events: 0
CGROUP events: 0
CGROUP events: 0
Committer testing:
Before:
# perf record -a sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 2.208 MB perf.data (10003 samples) ]
# perf report -D | grep "CGROUP events"
CGROUP events: 146
CGROUP events: 0
CGROUP events: 0
#
After:
# perf record -a sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 2.208 MB perf.data (10448 samples) ]
# perf report -D | grep "CGROUP events"
CGROUP events: 0
CGROUP events: 0
CGROUP events: 0
#
With all-cgroups:
# perf record --all-cgroups -a sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 2.374 MB perf.data (11526 samples) ]
# perf report -D | grep "CGROUP events"
CGROUP events: 146
CGROUP events: 0
CGROUP events: 0
#
Fixes: 8fb4b67939e16 ("perf record: Add --all-cgroups option")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20201127054356.405481-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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An appropriate return value should be set on the failed path.
Fixes: 2a09a84c720b436a ("perf diff: Support hot streams comparison")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20201124103652.438-1-thunder.leizhen@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To pick the changes in:
7a078d2d18801bba ("libbpf, hashmap: Fix undefined behavior in hash_bits")
That don't entail any changes in tools/perf.
This addresses this perf build warning:
Warning: Kernel ABI header at 'tools/perf/util/hashmap.h' differs from latest version at 'tools/lib/bpf/hashmap.h'
diff -u tools/perf/util/hashmap.h tools/lib/bpf/hashmap.h
Not a kernel ABI, its just that this uses the mechanism in place for
checking kernel ABI files drift.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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