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It seems that we cannot differentiate 88X3310 from 88X3340 by simply
looking at bit 3 of revision ID. This only works on revisions A0 and A1.
On revision B0, this bit is always 1.
Instead use the 3.d00d register for differentiation, since this register
contains information about number of ports on the device.
Fixes: 9885d016ffa9 ("net: phy: marvell10g: add separate structure for 88X3340")
Signed-off-by: Marek Behún <[email protected]>
Reported-by: Matteo Croce <[email protected]>
Tested-by: Matteo Croce <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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For_each_available_child_of_node should have of_node_put() before
return around line 423.
Generated by: scripts/coccinelle/iterators/for_each_child.cocci
CC: Alexander Lobakin <[email protected]>
Reported-by: kernel test robot <[email protected]>
Signed-off-by: kernel test robot <[email protected]>
Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Mostly documentation/comment changes and non urgent fixes.
- add or fix SPDX identifiers
- NXP pcf*: fix datasheet URLs
- imxdi: add wakeup support
- pcf2127: handle timestamp interrupts, this fixes a possible
interrupt storm
- bd70528: Drop BD70528 support"
* tag 'rtc-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (33 commits)
rtc: pcf8523: rename register and bit defines
rtc: pcf2127: handle timestamp interrupts
rtc: at91sam9: Remove unnecessary offset variable checks
rtc: s5m: Check return value of s5m_check_peding_alarm_interrupt()
rtc: spear: convert to SPDX identifier
rtc: tps6586x: convert to SPDX identifier
rtc: tps80031: convert to SPDX identifier
rtc: rtd119x: Fix format of SPDX identifier
rtc: sc27xx: Fix format of SPDX identifier
rtc: palmas: convert to SPDX identifier
rtc: max6900: convert to SPDX identifier
rtc: ds1374: convert to SPDX identifier
rtc: au1xxx: convert to SPDX identifier
rtc: pcf85063: Update the PCF85063A datasheet revision
dt-bindings: rtc: ti,bq32k: take maintainership
rtc: pcf8563: Fix the datasheet URL
rtc: pcf85063: Fix the datasheet URL
rtc: pcf2127: Fix the datasheet URL
dt-bindings: rtc: ti,bq32k: Convert to json-schema
dt-bindings: rtc: rx8900: Convert to YAML schema
...
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Commit dbbee9d5cd83 ("mm/page_alloc: convert per-cpu list protection to
local_lock") folded in a workaround patch for pahole that was unable to
deal with zero-sized percpu structures.
A superior workaround is achieved with commit a0b8200d06ad ("kbuild:
skip per-CPU BTF generation for pahole v1.18-v1.21").
This patch reverts the dummy field and the pahole version check.
Fixes: dbbee9d5cd83 ("mm/page_alloc: convert per-cpu list protection to local_lock")
Signed-off-by: Mel Gorman <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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arch/arm/mach-ixp4xx/include/mach/platform.h now gets included indirectly
and defines REG_OFFSET. Rename the register and bit definition to something
specific to the driver.
Fixes: 7fd70c65faac ("ARM: irqstat: Get rid of duplicated declaration")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Pull cifs fixes from Steve French:
"13 cifs/smb3 fixes. Most are to address minor issues pointed out by
Coverity.
Also includes a packet signing enhancement and mount improvement"
* tag '5.14-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal version number
cifs: prevent NULL deref in cifs_compose_mount_options()
SMB3.1.1: Add support for negotiating signing algorithm
cifs: use helpers when parsing uid/gid mount options and validate them
CIFS: Clarify SMB1 code for POSIX Lock
CIFS: Clarify SMB1 code for rename open file
CIFS: Clarify SMB1 code for delete
CIFS: Clarify SMB1 code for SetFileSize
smb3: fix typo in header file
CIFS: Clarify SMB1 code for UnixSetPathInfo
CIFS: Clarify SMB1 code for UnixCreateSymLink
cifs: clarify SMB1 code for UnixCreateHardLink
cifs: make locking consistent around the server session status
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci fix from Bjorn Helgaas:
"Revert host bridge window patch that fixed HP EliteDesk 805 G6, but
broke ppc:sam460ex (Bjorn Helgaas)"
* tag 'pci-v5.14-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
Revert "PCI: Coalesce host bridge contiguous apertures"
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git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
- two small fixes to the svc driver
* tag 'i3c/for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: svc: fix doc warning in svc-i3c-master.c
i3c: master: svc: drop free_irq of devm_request_irq allocated irq
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git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Add rk3568 sensor support (Finley Xiao)
- Add missing MODULE_DEVICE_TABLE for the Spreadtrum sensor (Chunyan
Zhang)
- Export additionnal attributes for the int340x thermal processor
(Srinivas Pandruvada)
- Add SC7280 compatible for the tsens driver (Rajeshwari Ravindra
Kamble)
- Fix kernel documentation for thermal_zone_device_unregister() and use
devm_platform_get_and_ioremap_resource() (Yang Yingliang)
- Fix coefficient calculations for the rcar_gen3 sensor driver (Niklas
Söderlund)
- Fix shadowing variable rcar_gen3_ths_tj_1 (Geert Uytterhoeven)
- Add missing of_node_put() for the iMX and Spreadtrum sensors
(Krzysztof Kozlowski)
- Add tegra3 thermal sensor DT bindings (Dmitry Osipenko)
- Stop the thermal zone monitoring when unregistering it to prevent a
temperature update without the 'get_temp' callback (Dmitry Osipenko)
- Add rk3568 DT bindings, convert bindings to yaml schemas and add the
corresponding compatible in the Rockchip sensor (Ezequiel Garcia)
- Add the sc8180x compatible for the Qualcomm tsensor (Bjorn Andersson)
- Use the find_first_zero_bit() function instead of custom code (Andy
Shevchenko)
- Fix the kernel doc for the device cooling device (Yang Li)
- Reorg the processor thermal int340x to set the scene for the PCI mmio
driver (Srinivas Pandruvada)
- Add PCI MMIO driver for the int340x processor thermal driver
(Srinivas Pandruvada)
- Add hwmon sensors for the mediatek sensor (Frank Wunderlich)
- Fix warning for return value reported by Smatch for the int340x
thermal processor (Srinivas Pandruvada)
- Fix wrong register access and decoding for the int340x thermal
processor (Srinivas Pandruvada)
* tag 'thermal-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (23 commits)
thermal/drivers/int340x/processor_thermal: Fix tcc setting
thermal/drivers/int340x/processor_thermal: Fix warning for return value
thermal/drivers/mediatek: Add sensors-support
thermal/drivers/int340x/processor_thermal: Add PCI MMIO based thermal driver
thermal/drivers/int340x/processor_thermal: Split enumeration and processing part
thermal: devfreq_cooling: Fix kernel-doc
thermal/drivers/intel/intel_soc_dts_iosf: Switch to use find_first_zero_bit()
dt-bindings: thermal: tsens: Add sc8180x compatible
dt-bindings: rockchip-thermal: Support the RK3568 SoC compatible
dt-bindings: thermal: convert rockchip-thermal to json-schema
thermal/core/thermal_of: Stop zone device before unregistering it
dt-bindings: thermal: Add binding for Tegra30 thermal sensor
thermal/drivers/sprd: Add missing of_node_put for loop iteration
thermal/drivers/imx_sc: Add missing of_node_put for loop iteration
thermal/drivers/rcar_gen3_thermal: Do not shadow rcar_gen3_ths_tj_1
thermal/drivers/rcar_gen3_thermal: Fix coefficient calculations
thermal/drivers/st: Use devm_platform_get_and_ioremap_resource()
thermal/core: Correct function name thermal_zone_device_unregister()
dt-bindings: thermal: tsens: Add compatible string to TSENS binding for SC7280
thermal/drivers/int340x: processor_thermal: Export additional attributes
...
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As virtqueue_add_sgs() can fail, we should check the return value.
Addresses-Coverity-ID: 1464439 ("Unchecked return value")
Signed-off-by: Yunjian Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Increase the -falign-functions alignment for the debug option.
- Remove ugly libelf checks from the top Makefile.
- Make the silent build (-s) more silent.
- Re-compile the kernel if KBUILD_BUILD_TIMESTAMP is specified.
- Various script cleanups
* tag 'kbuild-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (27 commits)
scripts: add generic syscallnr.sh
scripts: check duplicated syscall number in syscall table
sparc: syscalls: use pattern rules to generate syscall headers
parisc: syscalls: use pattern rules to generate syscall headers
nds32: add arch/nds32/boot/.gitignore
kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set
kbuild: modpost: Explicitly warn about unprototyped symbols
kbuild: remove trailing slashes from $(KBUILD_EXTMOD)
kconfig.h: explain IS_MODULE(), IS_ENABLED()
kconfig: constify long_opts
scripts/setlocalversion: simplify the short version part
scripts/setlocalversion: factor out 12-chars hash construction
scripts/setlocalversion: add more comments to -dirty flag detection
scripts/setlocalversion: remove workaround for old make-kpkg
scripts/setlocalversion: remove mercurial, svn and git-svn supports
kbuild: clean up ${quiet} checks in shell scripts
kbuild: sink stdout from cmd for silent build
init: use $(call cmd,) for generating include/generated/compile.h
kbuild: merge scripts/mkmakefile to top Makefile
sh: move core-y in arch/sh/Makefile to arch/sh/Kbuild
...
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Vasily Gorbik:
- Fix preempt_count initialization.
- Rework call_on_stack() macro to add proper type handling and avoid
possible register corruption.
- More error prone "register asm" removal and fixes.
- Fix syscall restarting when multiple signals are coming in. This adds
minimalistic trampolines to vdso so we can return from signal without
using the stack which requires pgm check handler hacks when NX is
enabled.
- Remove HAVE_IRQ_EXIT_ON_IRQ_STACK since this is no longer true after
switch to generic entry.
- Fix protected virtualization secure storage access exception
handling.
- Make machine check C handler always enter with DAT enabled and move
register validation to C code.
- Fix tinyconfig boot problem by avoiding MONITOR CALL without
CONFIG_BUG.
- Increase asm symbols alignment to 16 to make it consistent with
compilers.
- Enable concurrent access to the CPU Measurement Counter Facility.
- Add support for dynamic AP bus size limit and rework ap_dqap to deal
with messages greater than recv buffer.
* tag 's390-5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (41 commits)
s390: preempt: Fix preempt_count initialization
s390/linkage: increase asm symbols alignment to 16
s390: rename CALL_ON_STACK_NORETURN() to call_on_stack_noreturn()
s390: add type checking to CALL_ON_STACK_NORETURN() macro
s390: remove old CALL_ON_STACK() macro
s390/softirq: use call_on_stack() macro
s390/lib: use call_on_stack() macro
s390/smp: use call_on_stack() macro
s390/kexec: use call_on_stack() macro
s390/irq: use call_on_stack() macro
s390/mm: use call_on_stack() macro
s390: introduce proper type handling call_on_stack() macro
s390/irq: simplify on_async_stack()
s390/irq: inline do_softirq_own_stack()
s390/irq: simplify do_softirq_own_stack()
s390/ap: get rid of register asm in ap_dqap()
s390: rename PIF_SYSCALL_RESTART to PIF_EXECVE_PGSTE_RESTART
s390: move restart of execve() syscall
s390/signal: remove sigreturn on stack
s390/signal: switch to using vdso for sigreturn and syscall restart
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- fix for accesing gic via vdso
- two build fixes
* tag 'mips_5.14_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: vdso: Invalid GIC access through VDSO
mips: disable branch profiling in boot/decompress.o
mips: always link byteswap helpers into decompressor
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM defconfig updates from "Olof Johansson
"A set of defconfig changes, we keep them in a separate branch to avoid
conflicts between topics by separating them out.
These changes are almost exclusively turning on new drivers for
various platforms, or turning on modules for new drivers for the
shared generic configs"
* tag 'arm-defconfig-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (22 commits)
arm64: defconfig: Enable renesas usb xhci pci host controller
arm64: defconfig: Visconti: Enable GPIO
arm64: defconfig: Visconti: Enable PWM
arm64: defconfig: add drivers needed for DragonBoard410c
ARM: config: aspeed: Add DEBUG_FS and EXT4
ARM: ixp4xx_defconfig: add MTD_PHYSMAP
ARM: ixp4xx_defconfig: add CONFIG_SERIAL_OF_PLATFORM
ARM: imx_v6_v7_defconfig: Select the Wifi ath10k sdio driver
ARM: exynos_defconfig: restore framebuffer support
arm64: defconfig: Enable ARCH_R9A07G044
ARM: configs: at91_dt_defconfig: configs for sam9x60
arm64: defconfig: Enable Exynos UFS driver
arm64: defconfig: qcom: enable interconnect for SM8350
ARM: tegra_defconfig: Enable CONFIG_DEVFREQ_THERMAL
arm64: defconfig: Enable usb2_clksel for R-Car Gen3 and RZ/G2
arm64: defconfig: enable Layerscape EDAC driver
ARM: omap2plus_defconfig: Add LP5523 LED driver
ARM: omap2plus_defconfig: Add WL1251 and WEXT modules
ARM: shmobile: defconfig: Refresh for v5.13-rc1
arm64: defconfig: Allow Mediatek boards to boot from the mmc
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Olof Johansson:
- Reset controllers: Adding support for Microchip Sparx5 Switch.
- Memory controllers: ARM Primecell PL35x SMC memory controller driver
cleanups and improvements.
- i.MX SoC drivers: Power domain support for i.MX8MM and i.MX8MN.
- Rockchip: RK3568 power domains support + DT binding updates,
cleanups.
- Qualcomm SoC drivers: Amend socinfo with more SoC/PMIC details,
including support for MSM8226, MDM9607, SM6125 and SC8180X.
- ARM FFA driver: "Firmware Framework for ARMv8-A", defining management
interfaces and communication (including bus model) between partitions
both in Normal and Secure Worlds.
- Tegra Memory controller changes, including major rework to deal with
identity mappings at boot and integration with ARM SMMU pieces.
* tag 'arm-drivers-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (120 commits)
firmware: turris-mox-rwtm: add marvell,armada-3700-rwtm-firmware compatible string
firmware: turris-mox-rwtm: show message about HWRNG registration
firmware: turris-mox-rwtm: fail probing when firmware does not support hwrng
firmware: turris-mox-rwtm: report failures better
firmware: turris-mox-rwtm: fix reply status decoding function
soc: imx: gpcv2: add support for i.MX8MN power domains
dt-bindings: add defines for i.MX8MN power domains
firmware: tegra: bpmp: Fix Tegra234-only builds
iommu/arm-smmu: Use Tegra implementation on Tegra186
iommu/arm-smmu: tegra: Implement SID override programming
iommu/arm-smmu: tegra: Detect number of instances at runtime
dt-bindings: arm-smmu: Add Tegra186 compatible string
firmware: qcom_scm: Add MDM9607 compatible
soc: qcom: rpmpd: Add MDM9607 RPM Power Domains
soc: renesas: Add support to read LSI DEVID register of RZ/G2{L,LC} SoC's
soc: renesas: Add ARCH_R9A07G044 for the new RZ/G2L SoC's
dt-bindings: soc: rockchip: drop unnecessary #phy-cells from grf.yaml
memory: emif: remove unused frequency and voltage notifiers
memory: fsl_ifc: fix leak of private memory on probe failure
memory: fsl_ifc: fix leak of IO mapping on probe failure
...
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Pull ARM devicetree updates from Olof Johansson:
"Like always, the DT branch is sizable. There are numerous additions
and fixes to existing platforms, but also a handful of new ones
introduced. Less than some other releases, but there's been
significant work on cleanups, refactorings and device enabling on
existing platforms.
A non-exhaustive list of new material:
- Refactoring of BCM2711 dtsi structure to add support for the
Raspberry Pi 400
- Rockchip: RK3568 SoC and EVB, video codecs for
rk3036/3066/3188/322x
- Qualcomm: SA8155p Automotive platform (SM8150 derivative),
SM8150/8250 enhancements and support for Sony Xperia 1/1II and
5/5II
- TI K3: PCI/USB3 support on AM64-sk boards, R5 remoteproc
definitions
- TI OMAP: Various cleanups
- Tegra: Audio support for Jetson Xavier NX, SMMU support on Tegra194
- Qualcomm: lots of additions for peripherals across several SoCs,
and new support for Microsoft Surface Duo (SM8150-based), Huawei
Ascend G7.
- i.MX: Numerous additions of features across SoCs and boards.
- Allwinner: More device bindings for V3s, Forlinx OKA40i-C and
NanoPi R1S H5 boards
- MediaTek: More device bindings for mt8167, new Chromebook system
variants for mt8183
- Renesas: RZ/G2L SoC and EVK added
- Amlogic: BananaPi BPI-M5 board added"
* tag 'arm-dt-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (511 commits)
arm64: dts: rockchip: add basic dts for RK3568 EVB
arm64: dts: rockchip: add core dtsi for RK3568 SoC
arm64: dts: rockchip: add generic pinconfig settings used by most Rockchip socs
ARM: dts: rockchip: add vpu and vdec node for RK322x
ARM: dts: rockchip: add vpu nodes for RK3066 and RK3188
ARM: dts: rockchip: add vpu node for RK3036
arm64: dts: ipq8074: Add QUP6 I2C node
arm64: dts: rockchip: Re-add regulator-always-on for vcc_sdio for rk3399-roc-pc
arm64: dts: rockchip: Re-add regulator-boot-on, regulator-always-on for vdd_gpu on rk3399-roc-pc
arm64: dts: rockchip: add ir-receiver for rk3399-roc-pc
arm64: dts: rockchip: Add USB-C port details for rk3399 Firefly
arm64: dts: rockchip: Sort rk3399 firefly pinmux entries
arm64: dts: rockchip: add infrared receiver node to RK3399 Firefly
arm64: dts: rockchip: add SPDIF node for rk3399-firefly
arm64: dts: rockchip: Add Rotation Property for OGA Panel
arm64: dts: qcom: sc7180: bus votes for eMMC and SD card
arm64: dts: qcom: sm8250-edo: Add Samsung touchscreen
arm64: dts: qcom: sm8250-edo: Enable GPI DMA
arm64: dts: qcom: sm8250-edo: Enable ADSP/CDSP/SLPI
arm64: dts: qcom: sm8250-edo: Enable PCIe
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Olof Johansson:
"A few SoC (code) changes have queued up this cycle, mostly for minor
changes and some refactoring and cleanup of legacy platforms. This
branch also contains a few of the fixes that weren't sent in by the
end of the release (all fairly minor).
- Adding an additional maintainer for the TEE subsystem (Sumit Garg)
- Quite a significant modernization of the IXP4xx platforms by Linus
Walleij, revisiting with a new PCI host driver/binding, removing
legacy mach/* include dependencies and moving platform
detection/config to drivers/soc. Also some updates/cleanup of
platform data.
- Core power domain support for Tegra platforms, and some
improvements in build test coverage by adding stubs for compile
test targets.
- A handful of updates to i.MX platforms, adding legacy (non-PSCI)
SMP support on i.MX7D, SoC ID setup for i.MX50, removal of platform
data and board fixups for iMX6/7.
... and a few smaller changes and fixes for Samsung, OMAP, Allwinner,
Rockchip"
* tag 'arm-soc-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (53 commits)
MAINTAINERS: Add myself as TEE subsystem reviewer
ixp4xx: fix spelling mistake in Kconfig "Devce" -> "Device"
hw_random: ixp4xx: Add OF support
hw_random: ixp4xx: Add DT bindings
hw_random: ixp4xx: Turn into a module
hw_random: ixp4xx: Use SPDX license tag
hw_random: ixp4xx: enable compile-testing
pata: ixp4xx: split platform data to its own header
soc: ixp4xx: move cpu detection to linux/soc/ixp4xx/cpu.h
PCI: ixp4xx: Add a new driver for IXP4xx
PCI: ixp4xx: Add device tree bindings for IXP4xx
ARM/ixp4xx: Make NEED_MACH_IO_H optional
ARM/ixp4xx: Move the virtual IObases
MAINTAINERS: ARM/MStar/Sigmastar SoCs: Add a link to the MStar tree
ARM: debug: add UART early console support for MSTAR SoCs
ARM: dts: ux500: Fix LED probing
ARM: imx: add smp support for imx7d
ARM: imx6q: drop of_platform_default_populate() from init_machine
arm64: dts: rockchip: Update RK3399 PCI host bridge window to 32-bit address memory
soc/tegra: fuse: Fix Tegra234-only builds
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fix from Mike Rapoport:
"This is a fix for the rework of ARM's pfn_valid() implementation
merged during this merge window.
Don't abuse pfn_valid() to check if pfn is in RAM
The semantics of pfn_valid() is to check presence of the memory map
for a PFN and not whether a PFN is in RAM. The memory map may be
present for a hole in the physical memory and if such hole corresponds
to an MMIO range, __arm_ioremap_pfn_caller() will produce a WARN() and
fail.
Use memblock_is_map_memory() instead of pfn_valid() to check if a PFN
is in RAM or not"
* tag 'fixes-2021-07-09' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
arm: ioremap: don't abuse pfn_valid() to check if pfn is in RAM
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git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
Pull percpu fix from Dennis Zhou:
"This is just a single change to fix percpu depopulation. The code
relied on depopulation code written specifically for the free path and
relied on vmalloc to do the tlb flush lazily. As we're modifying the
backing pages during the lifetime of a chunk, we need to also flush
the tlb accordingly.
Guenter Roeck reported this issue in [1] on mips. I believe we just
happen to be lucky given the much larger chunk sizes on x86 and
consequently less churning of this memory"
Link: https://lore.kernel.org/lkml/[email protected]/ [1]
* 'for-5.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
percpu: flush tlb in pcpu_reclaim_populated()
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Mat Martineau says:
====================
mptcp: Connection and accounting fixes
Here are some miscellaneous fixes for MPTCP:
Patch 1 modifies an MPTCP hash so it doesn't depend on one of skb->dev
and skb->sk being non-NULL.
Patch 2 removes an extra destructor call when rejecting a join due to
port mismatch.
Patches 3 and 5 more cleanly handle error conditions with MP_JOIN and
syncookies, and update a related self test.
Patch 4 makes sure packets that trigger a subflow TCP reset during MPTCP
option header processing are correctly dropped.
Patch 6 addresses a rmem accounting issue that could keep packets in
subflow receive buffers longer than necessary, delaying MPTCP-level
ACKs.
====================
Signed-off-by: David S. Miller <[email protected]>
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After commit 879526030c8b ("mptcp: protect the rx path with
the msk socket spinlock") the rmem currently used by a given
msk is really sk_rmem_alloc - rmem_released.
The safety check in mptcp_data_ready() does not take the above
in due account, as a result legit incoming data is kept in
subflow receive queue with no reason, delaying or blocking
MPTCP-level ack generation.
This change addresses the issue introducing a new helper to fetch
the rmem memory and using it as needed. Additionally add a MIB
counter for the exceptional event described above - the peer is
misbehaving.
Finally, introduce the required annotation when rmem_released is
updated.
Fixes: 879526030c8b ("mptcp: protect the rx path with the msk socket spinlock")
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/211
Signed-off-by: Paolo Abeni <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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After patch "mptcp: fix syncookie process if mptcp can not_accept new
subflow", if subflow is limited, MP_JOIN SYN is dropped, and no SYN/ACK
will be replied.
So in case "multiple subflows limited by server", the expected SYN/ACK
number should be 1.
Fixes: 00587187ad30 ("selftests: mptcp: add test cases for mptcp join tests with syn cookies")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Jianguo Wu <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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If check_fully_established() causes a subflow reset, it should not
continue to process the packet in tcp_data_queue().
Add a return value to mptcp_incoming_options(), and return false if a
subflow has been reset, else return true. Then drop the packet in
tcp_data_queue()/tcp_rcv_state_process() if mptcp_incoming_options()
return false.
Fixes: d582484726c4 ("mptcp: fix fallback for MP_JOIN subflows")
Signed-off-by: Jianguo Wu <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Lots of "TCP: tcp_fin: Impossible, sk->sk_state=7" in client side
when doing stress testing using wrk and webfsd.
There are at least two cases may trigger this warning:
1.mptcp is in syncookie, and server recv MP_JOIN SYN request,
in subflow_check_req(), the mptcp_can_accept_new_subflow()
return false, so subflow_init_req_cookie_join_save() isn't
called, i.e. not store the data present in the MP_JOIN syn
request and the random nonce in hash table - join_entries[],
but still send synack. When recv 3rd-ack,
mptcp_token_join_cookie_init_state() will return false, and
3rd-ack is dropped, then if mptcp conn is closed by client,
client will send a DATA_FIN and a MPTCP FIN, the DATA_FIN
doesn't have MP_CAPABLE or MP_JOIN,
so mptcp_subflow_init_cookie_req() will return 0, and pass
the cookie check, MP_JOIN request is fallback to normal TCP.
Server will send a TCP FIN if closed, in client side,
when process TCP FIN, it will do reset, the code path is:
tcp_data_queue()->mptcp_incoming_options()
->check_fully_established()->mptcp_subflow_reset().
mptcp_subflow_reset() will set sock state to TCP_CLOSE,
so tcp_fin will hit TCP_CLOSE, and print the warning.
2.mptcp is in syncookie, and server recv 3rd-ack, in
mptcp_subflow_init_cookie_req(), mptcp_can_accept_new_subflow()
return false, and subflow_req->mp_join is not set to 1,
so in subflow_syn_recv_sock() will not reset the MP_JOIN
subflow, but fallback to normal TCP, and then the same thing
happens when server will send a TCP FIN if closed.
For case1, subflow_check_req() return -EPERM,
then tcp_conn_request() will drop MP_JOIN SYN.
For case2, let subflow_syn_recv_sock() call
mptcp_can_accept_new_subflow(), and do fatal fallback, send reset.
Fixes: 9466a1ccebbe ("mptcp: enable JOIN requests even if cookies are in use")
Signed-off-by: Jianguo Wu <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In subflow_check_req(), if subflow sport is mismatch, will put msk,
destroy token, and destruct req, then return -EPERM, which can be
done by subflow_req_destructor() via:
tcp_conn_request()
|--__reqsk_free()
|--subflow_req_destructor()
So we should remove these redundant code, otherwise will call
tcp_v4_reqsk_destructor() twice, and may double free
inet_rsk(req)->ireq_opt.
Fixes: 5bc56388c74f ("mptcp: add port number check for MP_JOIN")
Signed-off-by: Jianguo Wu <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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I did stress test with wrk[1] and webfsd[2] with the assistance of
mptcp-tools[3]:
Server side:
./use_mptcp.sh webfsd -4 -R /tmp/ -p 8099
Client side:
./use_mptcp.sh wrk -c 200 -d 30 -t 4 http://192.168.174.129:8099/
and got the following warning message:
[ 55.552626] TCP: request_sock_subflow: Possible SYN flooding on port 8099. Sending cookies. Check SNMP counters.
[ 55.553024] ------------[ cut here ]------------
[ 55.553027] WARNING: CPU: 0 PID: 10 at net/core/flow_dissector.c:984 __skb_flow_dissect+0x280/0x1650
...
[ 55.553117] CPU: 0 PID: 10 Comm: ksoftirqd/0 Not tainted 5.12.0+ #18
[ 55.553121] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 02/27/2020
[ 55.553124] RIP: 0010:__skb_flow_dissect+0x280/0x1650
...
[ 55.553133] RSP: 0018:ffffb79580087770 EFLAGS: 00010246
[ 55.553137] RAX: 0000000000000000 RBX: ffffffff8ddb58e0 RCX: ffffb79580087888
[ 55.553139] RDX: ffffffff8ddb58e0 RSI: ffff8f7e4652b600 RDI: 0000000000000000
[ 55.553141] RBP: ffffb79580087858 R08: 0000000000000000 R09: 0000000000000008
[ 55.553143] R10: 000000008c622965 R11: 00000000d3313a5b R12: ffff8f7e4652b600
[ 55.553146] R13: ffff8f7e465c9062 R14: 0000000000000000 R15: ffffb79580087888
[ 55.553149] FS: 0000000000000000(0000) GS:ffff8f7f75e00000(0000) knlGS:0000000000000000
[ 55.553152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.553154] CR2: 00007f73d1d19000 CR3: 0000000135e10004 CR4: 00000000003706f0
[ 55.553160] Call Trace:
[ 55.553166] ? __sha256_final+0x67/0xd0
[ 55.553173] ? sha256+0x7e/0xa0
[ 55.553177] __skb_get_hash+0x57/0x210
[ 55.553182] subflow_init_req_cookie_join_save+0xac/0xc0
[ 55.553189] subflow_check_req+0x474/0x550
[ 55.553195] ? ip_route_output_key_hash+0x67/0x90
[ 55.553200] ? xfrm_lookup_route+0x1d/0xa0
[ 55.553207] subflow_v4_route_req+0x8e/0xd0
[ 55.553212] tcp_conn_request+0x31e/0xab0
[ 55.553218] ? selinux_socket_sock_rcv_skb+0x116/0x210
[ 55.553224] ? tcp_rcv_state_process+0x179/0x6d0
[ 55.553229] tcp_rcv_state_process+0x179/0x6d0
[ 55.553235] tcp_v4_do_rcv+0xaf/0x220
[ 55.553239] tcp_v4_rcv+0xce4/0xd80
[ 55.553243] ? ip_route_input_rcu+0x246/0x260
[ 55.553248] ip_protocol_deliver_rcu+0x35/0x1b0
[ 55.553253] ip_local_deliver_finish+0x44/0x50
[ 55.553258] ip_local_deliver+0x6c/0x110
[ 55.553262] ? ip_rcv_finish_core.isra.19+0x5a/0x400
[ 55.553267] ip_rcv+0xd1/0xe0
...
After debugging, I found in __skb_flow_dissect(), skb->dev and skb->sk
are both NULL, then net is NULL, and trigger WARN_ON_ONCE(!net),
actually net is always NULL in this code path, as skb->dev is set to
NULL in tcp_v4_rcv(), and skb->sk is never set.
Code snippet in __skb_flow_dissect() that trigger warning:
975 if (skb) {
976 if (!net) {
977 if (skb->dev)
978 net = dev_net(skb->dev);
979 else if (skb->sk)
980 net = sock_net(skb->sk);
981 }
982 }
983
984 WARN_ON_ONCE(!net);
So, using seq and transport header derived hash.
[1] https://github.com/wg/wrk
[2] https://github.com/ourway/webfsd
[3] https://github.com/pabeni/mptcp-tools
Fixes: 9466a1ccebbe ("mptcp: enable JOIN requests even if cookies are in use")
Suggested-by: Paolo Abeni <[email protected]>
Suggested-by: Florian Westphal <[email protected]>
Signed-off-by: Jianguo Wu <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
|
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commit 03623b4b041c ("rtc: pcf2127: add tamper detection support")
added support for timestamp interrupts. However they are not being
handled in the irq handler. If a timestamp interrupt occurs it
results in kernel disabling the interrupt and displaying the call
trace:
[ 121.145580] irq 78: nobody cared (try booting with the "irqpoll" option)
...
[ 121.238087] [<00000000c4d69393>] irq_default_primary_handler threaded [<000000000a90d25b>] pcf2127_rtc_irq [rtc_pcf2127]
[ 121.248971] Disabling IRQ #78
Handle timestamp interrupts in pcf2127_rtc_irq(). Save time stamp
before clearing TSF1 and TSF2 flags so that it can't be overwritten.
Set a flag to mark if the timestamp is valid and only report to sysfs
if the flag is set. To mimic the hardware behavior, don’t save
another timestamp until the first one has been read by the userspace.
However, if the alarm irq is not configured, keep the old way of
handling timestamp interrupt in the timestamp0 sysfs calls.
Signed-off-by: Mian Yousaf Kaukab <[email protected]>
Reviewed-by: Bruno Thomsen <[email protected]>
Tested-by: Bruno Thomsen <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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The offset variable is checked by at91_rtc_readalarm(), but this check
is unnecessary because the previous check knew that the value of this
variable was not 0.
This removes that unnecessary offset variable checks.
Cc: Nicolas Ferre <[email protected]>
Cc: Ludovic Desroches <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Acked-by: Nicolas Ferre <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
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s5m_check_peding_alarm_interrupt() in s5m_rtc_read_alarm() gets the return
value, but doesn't use it.
This modifies using the s5m_check_peding_alarm_interrupt()"s return value
as the s5m_rtc_read_alarm()'s return value.
Cc: Krzysztof Kozlowski <[email protected]>
Cc: Bartlomiej Zolnierkiewicz <[email protected]>
Cc: [email protected]
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
Use SPDX-License-Identifier instead of a verbose license text.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
Use SPDX-License-Identifier instead of a verbose license text.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
Use SPDX-License-Identifier instead of a verbose license text.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
For C files, use the C99 format (//).
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
For C files, use the C99 format (//).
Cc: Orson Zhai <[email protected]>
Cc: Baolin Wang <[email protected]>
Cc: Chunyan Zhang <[email protected]>
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
Use SPDX-License-Identifier instead of a verbose license text.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
Use SPDX-License-Identifier instead of a verbose license text.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
Use SPDX-License-Identifier instead of a verbose license text.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
|
Use SPDX-License-Identifier instead of a verbose license text.
Signed-off-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
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This reverts commit 65db04053efea3f3e412a7e0cc599962999c96b4.
Guenter reported that after 65db04053efe, the ppc:sam460ex qemu emulation
no longer boots from nvme:
nvme nvme0: Device not ready; aborting initialisation, CSTS=0x0
nvme nvme0: Removing after probe failure status: -19
Link: https://lore.kernel.org/r/[email protected]
Reported-by: Guenter Roeck <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
|
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After updating the datasheet URL, the PCF85063A datasheet revision
has changed.
Adjust it accordingly.
Reported-by: Nobuhiro Iwamatsu <[email protected]>
Signed-off-by: Fabio Estevam <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Take maintainership of the binding as PAvel said he doesn't have the
hardware anymore.
Signed-off-by: Alexandre Belloni <[email protected]>
Acked-by: Pavel Machek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Daniel Borkmann says:
====================
pull-request: bpf 2021-07-09
The following pull-request contains BPF updates for your *net* tree.
We've added 9 non-merge commits during the last 9 day(s) which contain
a total of 13 files changed, 118 insertions(+), 62 deletions(-).
The main changes are:
1) Fix runqslower task->state access from BPF, from SanjayKumar Jeyakumar.
2) Fix subprog poke descriptor tracking use-after-free, from John Fastabend.
3) Fix sparse complaint from prior devmap RCU conversion, from Toke Høiland-Jørgensen.
4) Fix missing va_end in bpftool JIT json dump's error path, from Gu Shengxian.
5) Fix tools/bpf install target from missing runqslower install, from Wei Li.
6) Fix xdpsock BPF sample to unload program on shared umem option, from Wang Hai.
====================
Signed-off-by: David S. Miller <[email protected]>
|
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skb_tunnel_info() returns pointer of lwtstate->data as ip_tunnel_info
type without validation. lwtstate->data can have various types such as
mpls_iptunnel_encap, etc and these are not compatible.
So skb_tunnel_info() should validate before returning that pointer.
Splat looks like:
BUG: KASAN: slab-out-of-bounds in vxlan_get_route+0x418/0x4b0 [vxlan]
Read of size 2 at addr ffff888106ec2698 by task ping/811
CPU: 1 PID: 811 Comm: ping Not tainted 5.13.0+ #1195
Call Trace:
dump_stack_lvl+0x56/0x7b
print_address_description.constprop.8.cold.13+0x13/0x2ee
? vxlan_get_route+0x418/0x4b0 [vxlan]
? vxlan_get_route+0x418/0x4b0 [vxlan]
kasan_report.cold.14+0x83/0xdf
? vxlan_get_route+0x418/0x4b0 [vxlan]
vxlan_get_route+0x418/0x4b0 [vxlan]
[ ... ]
vxlan_xmit_one+0x148b/0x32b0 [vxlan]
[ ... ]
vxlan_xmit+0x25c5/0x4780 [vxlan]
[ ... ]
dev_hard_start_xmit+0x1ae/0x6e0
__dev_queue_xmit+0x1f39/0x31a0
[ ... ]
neigh_xmit+0x2f9/0x940
mpls_xmit+0x911/0x1600 [mpls_iptunnel]
lwtunnel_xmit+0x18f/0x450
ip_finish_output2+0x867/0x2040
[ ... ]
Fixes: 61adedf3e3f1 ("route: move lwtunnel state to dst_entry")
Signed-off-by: Taehee Yoo <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
|
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Commit 28e104d00281 ("net: ip_tunnel: fix mtu calculation") removed
dev->hard_header_len subtraction when calculate MTU for tunnel devices
as there is an overhead for device that has header_ops.
But there are ETHER tunnel devices, like gre_tap or erspan, which don't
have header_ops but set dev->hard_header_len during setup. This makes
pkts greater than (MTU - ETH_HLEN) could not be xmited. Fix it by
subtracting the ETHER tunnel devices' dev->hard_header_len for MTU
calculation.
Fixes: 28e104d00281 ("net: ip_tunnel: fix mtu calculation")
Reported-by: Jianlin Shi <[email protected]>
Signed-off-by: Hangbin Liu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Change
2ef4fb92363c ("drm/vmwgfx: Make sure bo's are unpinned before putting them back")
caused a conflict in one of the drm trees and the merge commit
68a32ba14177 ("Merge tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm")
accidently re-added code that the original change was removing.
Fixed by removing the incorrect buffer unpin - it has already been unpinned
two lines above.
Fixes: 68a32ba14177 ("Merge tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm")
Signed-off-by: Zack Rusin <[email protected]>
Reviewed-by: Martin Krastev <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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The declarations of ttm_range_man_init and ttm_range_man_fini
have been moved to ttm_range_manager.h so we have to add it
to the include list.
Signed-off-by: Zack Rusin <[email protected]>
Reported-by: Randy Dunlap <[email protected]>
Fixes: 3eb7d96e9415 ("drm/ttm: flip over the range manager to self allocated nodes")
Cc: Christian König <[email protected]>
Cc: Matthew Auld <[email protected]>
Reviewed-by: Martin Krastev <[email protected]>
Reviewed-by: Christian König <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Pull io_uring fixes from Jens Axboe:
"A few fixes that should go into this merge.
One fixes a regression introduced in this release, others are just
generic fixes, mostly related to handling fallback task_work"
* tag 'io_uring-5.14-2021-07-09' of git://git.kernel.dk/linux-block:
io_uring: remove dead non-zero 'poll' check
io_uring: mitigate unlikely iopoll lag
io_uring: fix drain alloc fail return code
io_uring: fix exiting io_req_task_work_add leaks
io_uring: simplify task_work func
io_uring: fix stuck fallback reqs
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Pull more block updates from Jens Axboe:
"A combination of changes that ended up depending on both the driver
and core branch (and/or the IDE removal), and a few late arriving
fixes. In detail:
- Fix io ticks wrap-around issue (Chunguang)
- nvme-tcp sock locking fix (Maurizio)
- s390-dasd fixes (Kees, Christoph)
- blk_execute_rq polling support (Keith)
- blk-cgroup RCU iteration fix (Yu)
- nbd backend ID addition (Prasanna)
- Partition deletion fix (Yufen)
- Use blk_mq_alloc_disk for mmc, mtip32xx, ubd (Christoph)
- Removal of now dead block request types due to IDE removal
(Christoph)
- Loop probing and control device cleanups (Christoph)
- Device uevent fix (Christoph)
- Misc cleanups/fixes (Tetsuo, Christoph)"
* tag 'block-5.14-2021-07-08' of git://git.kernel.dk/linux-block: (34 commits)
blk-cgroup: prevent rcu_sched detected stalls warnings while iterating blkgs
block: fix the problem of io_ticks becoming smaller
nvme-tcp: can't set sk_user_data without write_lock
loop: remove unused variable in loop_set_status()
block: remove the bdgrab in blk_drop_partitions
block: grab a device refcount in disk_uevent
s390/dasd: Avoid field over-reading memcpy()
dasd: unexport dasd_set_target_state
block: check disk exist before trying to add partition
ubd: remove dead code in ubd_setup_common
nvme: use return value from blk_execute_rq()
block: return errors from blk_execute_rq()
nvme: use blk_execute_rq() for passthrough commands
block: support polling through blk_execute_rq
block: remove REQ_OP_SCSI_{IN,OUT}
block: mark blk_mq_init_queue_data static
loop: rewrite loop_exit using idr_for_each_entry
loop: split loop_lookup
loop: don't allow deleting an unspecified loop device
loop: move loop_ctl_mutex locking into loop_add
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a collection of small fixes here: the most outstanding one is the
re-application of USB-audio lowlatency support that was reverted in
the previous PR. The rest are device-specific quirks/fixes, spelling
fixes and a regression fix for the old intel8x0 driver"
* tag 'sound-fix-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: intel8x0: Fix breakage at ac97 clock measurement
ALSA: usb-audio: Reduce latency at playback start, take#2
ALSA: isa: Fix error return code in snd_cmi8330_probe()
ALSA: emux: fix spelling mistakes
ALSA: usb-audio: fix spelling mistakes
ALSA: bebob: correct duplicated entries with TerraTec OUI
ALSA: usx2y: fix spelling mistakes
ALSA: x86: fix spelling mistakes
ALSA: hda/realtek: fix mute led of the HP Pavilion 15-eh1xxx series
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ASan reported a memory leak for items of the entlist returned from scandir().
In fact, scandir() returns a malloc'd array of malloc'd dirents.
This patch adds the missing (z)frees.
Fixes: da963834fe6975a1 ("perf test: Iterate over shell tests in alphabetical order")
Signed-off-by: Riccardo Mancini <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Fabian Hemmer <[email protected]>
Cc: Ian Rogers <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Remi Bernon <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
|