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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux fix from Paul Moore:
"One small SELinux patch to make sure we return an error code when an
allocation fails. It passes all of our tests, but given the nature of
the patch that isn't surprising"
* tag 'selinux-pr-20201113' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: Fix error return code in sel_ib_pkey_sid_slow()
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull uml fix from Richard Weinberger:
"Call PMD destructor in __pmd_free_tlb()"
* tag 'for-linus-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: Call pgtable_pmd_page_dtor() in __pmd_free_tlb()
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When afs_write_end() is called with copied == 0, it tries to set the
dirty region, but there's no way to actually encode a 0-length region in
the encoding in page->private.
"0,0", for example, indicates a 1-byte region at offset 0. The maths
miscalculates this and sets it incorrectly.
Fix it to just do nothing but unlock and put the page in this case. We
don't actually need to mark the page dirty as nothing presumably
changed.
Fixes: 65dd2d6072d3 ("afs: Alter dirty range encoding in page->private")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull fs freeze fix and cleanups from Darrick Wong:
"A single vfs fix for 5.10, along with two subsequent cleanups.
A very long time ago, a hack was added to the vfs fs freeze protection
code to work around lockdep complaints about XFS, which would try to
run a transaction (which requires intwrite protection) to finalize an
xfs freeze (by which time the vfs had already taken intwrite).
Fast forward a few years, and XFS fixed the recursive intwrite problem
on its own, and the hack became unnecessary. Fast forward almost a
decade, and latent bugs in the code converting this hack from freeze
flags to freeze locks combine with lockdep bugs to make this reproduce
frequently enough to notice page faults racing with freeze.
Since the hack is unnecessary and causes thread race errors, just get
rid of it completely. Making this kind of vfs change midway through a
cycle makes me nervous, but a large enough number of the usual
VFS/ext4/XFS/btrfs suspects have said this looks good and solves a
real problem vector.
And once that removal is done, __sb_start_write is now simple enough
that it becomes possible to refactor the function into smaller,
simpler static inline helpers in linux/fs.h. The cleanup is
straightforward.
Summary:
- Finally remove the "convert to trylock" weirdness in the fs freezer
code. It was necessary 10 years ago to deal with nested
transactions in XFS, but we've long since removed that; and now
this is causing subtle race conditions when lockdep goes offline
and sb_start_* aren't prepared to retry a trylock failure.
- Minor cleanups of the sb_start_* fs freeze helpers"
* tag 'vfs-5.10-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
vfs: move __sb_{start,end}_write* to fs.h
vfs: separate __sb_start_write into blocking and non-blocking helpers
vfs: remove lockdep bogosity in __sb_start_write
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Pull xfs fixes from Darrick Wong:
- Fix a fairly serious problem where the reverse mapping btree key
comparison functions were silently ignoring parts of the keyspace
when doing comparisons
- Fix a thinko in the online refcount scrubber
- Fix a missing unlock in the pnfs code
* tag 'xfs-5.10-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix a missing unlock on error in xfs_fs_map_blocks
xfs: fix brainos in the refcount scrubber's rmap fragment processor
xfs: fix rmap key and record comparison functions
xfs: set the unwritten bit in rmap lookup flags in xchk_bmap_get_rmapextents
xfs: fix flags argument to rmap lookup when converting shared file rmaps
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Pull block fixes from Jens Axboe:
"A few small fixes:
- NVMe pull request from Christoph:
- don't clear the read-only bit on a revalidate (Sagi Grimberg)
- nbd error case refcount leak (Christoph)
- loop/generic uevent fix (Christoph, Petr)"
* tag 'block-5.10-2020-11-13' of git://git.kernel.dk/linux-block:
loop: Fix occasional uevent drop
block: add a return value to set_capacity_revalidate_and_notify
nbd: fix a block_device refcount leak in nbd_release
nvme: fix incorrect behavior when BLKROSET is called by the user
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Pull io_uring fix from Jens Axboe:
"A single fix in here, for a missed rounding case at setup time, which
caused an otherwise legitimate setup case to return -EINVAL if used
with unaligned ring size values"
* tag 'io_uring-5.10-2020-11-13' of git://git.kernel.dk/linux-block:
io_uring: round-up cq size before comparing with rounded sq size
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- fix Flexcan binding schema errors introduced in rc3
- fix an of_node ref counting error in of_dma_is_coherent
* tag 'devicetree-fixes-for-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: clock: imx5: fix example
dt-bindings: can: fsl,flexcan.yaml: fix compatible for i.MX35 and i.MX53
dt-bindings: can: fsl,flexcan.yaml: fix fsl,stop-mode
of/address: Fix of_node memory leak in of_dma_is_coherent
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"A bunch of pin control fixes for the v5.10 kernel series.
Nothing in particular to say about it, because they are all driver
fixes.
I'm happy that some AMD driver fixes are appearing, it's been an
undermaintained driver, and laptops have suffered.
Summary:
- Two fixes to the Intel pin controller drivers: fixing pull
resistance bias.
- Fix some invalid SSI pins on the Ingenic pin controller.
- Make sure the clock is enabled when requesting interrupts from the
Rockchip GPIO controller.
- Make sure IRQs are mapped when looking up the IRQ for a GPIO line
on the Rockchip GPIO Write.
- Two regmap initialization fixes for the MCP23s08.
- Fix a GPI-only prefix function problem on the Aspeed pin
controller.
- Disable the debounce filter correctly on the AMD pin controller.
- Correct the timer clock setting for the AMD debounce timer.
- Make the Qualcomm pin controller more cautious around the handling
of PDC-related GPIO interrupts.
- Fix the interrupt map in the Qualcomm SM8250 pin controller"
* tag 'pinctrl-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: sm8250: Specify PDC map
pinctrl: qcom: Move clearing pending IRQ to .irq_request_resources callback
pinctrl: amd: use higher precision for 512 RtcClk
pinctrl: amd: fix incorrect way to disable debounce filter
pinctrl: aspeed: Fix GPI only function problem.
pinctrl: mcp23s08: Print error message when regmap init fails
pinctrl: mcp23s08: Use full chunk of memory for regmap configuration
pinctrl: rockchip: create irq mapping in gpio_to_irq
pinctrl: rockchip: enable gpio pclk for rockchip_gpio_to_irq
pinctrl: ingenic: Fix invalid SSI pins
pinctrl: intel: Set default bias in case no particular value given
pinctrl: intel: Fix 2 kOhm bias which is 833 Ohm
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Some GPIO fixes I've collected with the help of Bartosz.
Nothing special about them: all are driver and kbuild fixes + some
documentation fixes:
- Tidy up a missed function call in the designware driver when
converting to gpiolib irqchip
- Fix some bitmasks in the Aspeed driver
- Fix some kerneldoc warnings and minor bugs in the improved
userspace API documentation
- Revert the revert of the OMAP fix for lost edge wakeup interrupts:
the fix needs to stay in
- Fix a compile error when deselecting the character device
- A bunch of IRQ fixes on the idio GPIO drivers
- Fix an off-by-one error in the SiFive GPIO driver"
* tag 'gpio-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: sifive: Fix SiFive gpio probe
gpio: pcie-idio-24: Enable PEX8311 interrupts
gpio: pcie-idio-24: Fix IRQ Enable Register value
gpio: pcie-idio-24: Fix irq mask when masking
gpiolib: fix sysfs when cdev is not selected
Revert "Revert "gpio: omap: Fix lost edge wake-up interrupts""
gpio: uapi: clarify the meaning of 'empty' char arrays
gpio: uapi: remove whitespace
gpio: uapi: kernel-doc formatting improvements
gpio: uapi: comment consistency
gpio: uapi: fix kernel-doc warnings
gpio: aspeed: fix ast2600 bank properties
gpio: dwapb: Fix missing conversion to GPIO-lib-based IRQ-chip
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- tmio: Fixup support for reset
- sdhci-of-esdhc: Extend erratum for pulse width to more broken HWs
- renesas_sdhi: Fix re-binding of drivers
* tag 'mmc-v5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
Revert "mmc: renesas_sdhi: workaround a regression when reinserting SD cards"
mmc: tmio: bring tuning HW to a sane state with MMC_POWER_OFF
mmc: tmio: when resetting, reset DMA controller, too
mmc: sdhci-of-esdhc: Handle pulse width detection erratum for more SoCs
mmc: renesas_sdhi_core: Add missing tmio_mmc_host_free() at remove
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Pull drm fixes from Dave Airlie:
"Nearly didn't send you a PR this week at all, but a few things
trickled in over the day, not a huge amount here, some i915, amdgpu
and a bunch of misc fixes. I have a couple of nouveau fixes
outstanding due to the PR having the wrong base, I'll figure it out
next week.
amdgpu:
- Pageflip fix for DCN3
- Declare TA firmware for green sardine
- Headless navi fix
i915:
- Pull phys pread/pwrite implementations to the backend
- Correctly set SFC capability for video engines
bridge:
- cdns Kconfig fix
hyperv_fb:
- fix missing include
gma500:
- oob access fix
mcde:
- unbalanced regulator fix"
* tag 'drm-fixes-2020-11-13' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: enable DCN for navi10 headless SKU
drm/amdgpu: add ta firmware load for green-sardine
drm/i915: Correctly set SFC capability for video engines
drm/i915/gem: Pull phys pread/pwrite implementations to the backend
drm/i915/gem: Allow backends to override pread implementation
drm/mcde: Fix unbalanced regulator
drm/gma500: Fix out-of-bounds access to struct drm_device.vblank[]
video: hyperv_fb: include vmalloc.h
drm: bridge: cdns: Kconfig: Switch over dependency to ARCH_K3
drm/amd/display: Add missing pflip irq
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull bootconfig fix from Steven Rostedt:
"Fix alignment of bootconfig
GRUB may align the init ramdisk size to 4 bytes, the magic number at
the end of the init ramdisk that denotes bootconfig is attached may
not be at the exact end of the ramdisk. The kernel needs to check back
at least 4 bytes"
* tag 'trace-v5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
bootconfig: Extend the magic check range to the preceding 3 bytes
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Pull ARM fix from Russell King:
"Just one bug fix: avoid a fortify panic when copying optprobe template"
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9019/1: kprobes: Avoid fortify_panic() when copying optprobe template
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
- Spectre/Meltdown safelisting for some Qualcomm KRYO cores
- Fix RCU splat when failing to online a CPU due to a feature mismatch
- Fix a recently introduced sparse warning in kexec()
- Fix handling of CPU erratum 1418040 for late CPUs
- Ensure hot-added memory falls within linear-mapped region
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver
arm64: proton-pack: Add KRYO2XX silver CPUs to spectre-v2 safe-list
arm64: kpti: Add KRYO2XX gold/silver CPU cores to kpti safelist
arm64: Add MIDR value for KRYO2XX gold/silver CPU cores
arm64/mm: Validate hotplug range before creating linear mapping
arm64: smp: Tell RCU about CPUs that fail to come online
arm64: psci: Avoid printing in cpu_psci_cpu_die()
arm64: kexec_file: Fix sparse warning
arm64: errata: Fix handling of 1418040 with late CPU onlining
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Two ext4 bug fixes, one being a revert of a commit sent during the
merge window"
* tag 'ext4_for_linus_bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
Revert "ext4: fix superblock checksum calculation race"
ext4: handle dax mount option collision
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Since commit:
0e030a373df3 ("can: flexcan: fix endianess detection")
the fsl,imx53-flexcan isn't compatible with the fsl,p1010-flexcan any more. As
the former accesses the IP core in Little Endian mode and the latter uses Big
Endian mode.
With the conversion of the flexcan DT bindings to yaml, the dt_binding_check
this throws the following error:
Documentation/devicetree/bindings/clock/imx5-clock.example.dt.yaml: can@53fc8000: compatible: 'oneOf' conditional failed, one must be fixed:
['fsl,imx53-flexcan', 'fsl,p1010-flexcan'] is too long
Additional items are not allowed ('fsl,p1010-flexcan' was unexpected)
'fsl,imx53-flexcan' is not one of ['fsl,imx7d-flexcan', 'fsl,imx6ul-flexcan', 'fsl,imx6sx-flexcan']
'fsl,imx53-flexcan' is not one of ['fsl,ls1028ar1-flexcan']
'fsl,imx6q-flexcan' was expected
'fsl,lx2160ar1-flexcan' was expected
From schema: /builds/robherring/linux-dt-bindings/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
The error is fixed by replacing the "fsl,p1010-flexcan" compatible
(which turned out the be incompatible) with "fsl,imx25-flexcan" in the
binding example.
Reported-by: Rob Herring <robh+dt@kernel.org>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20201111213548.1621094-1-mkl@pengutronix.de
[robh: Add "fsl,imx25-flexcan" as fallback]
Signed-off-by: Rob Herring <robh@kernel.org>
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As both the i.MX35 and i.MX53 flexcan IP cores are compatible to the i.MX25,
they are listed as:
compatible = "fsl,imx35-flexcan", "fsl,imx25-flexcan";
and:
compatible = "fsl,imx53-flexcan", "fsl,imx25-flexcan";
in the SoC device trees.
This patch fixes the following errors, which shows up during a dtbs_check:
arch/arm/boot/dts/imx53-ard.dt.yaml: can@53fc8000: compatible: 'oneOf' conditional failed, one must be fixed:
['fsl,imx53-flexcan', 'fsl,imx25-flexcan'] is too long
Additional items are not allowed ('fsl,imx25-flexcan' was unexpected)
'fsl,imx53-flexcan' is not one of ['fsl,imx7d-flexcan', 'fsl,imx6ul-flexcan', 'fsl,imx6sx-flexcan']
'fsl,imx53-flexcan' is not one of ['fsl,ls1028ar1-flexcan']
'fsl,imx6q-flexcan' was expected
'fsl,lx2160ar1-flexcan' was expected
From schema: Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
Fixes: e5ab9aa7e49b ("dt-bindings: can: flexcan: convert fsl,*flexcan bindings to yaml")
Reported-by: Rob Herring <robh+dt@kernel.org>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20201111130507.1560881-4-mkl@pengutronix.de
[robh: drop singular fsl,imx53-flexcan and fsl,imx35-flexcan]
Signed-off-by: Rob Herring <robh@kernel.org>
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QCOM KRYO2XX Silver cores are Cortex-A53 based and are
susceptible to the 845719 erratum. Add them to the lookup
list to apply the erratum.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20201104232218.198800-5-konrad.dybcio@somainline.org
Signed-off-by: Will Deacon <will@kernel.org>
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KRYO2XX silver (LITTLE) CPUs are based on Cortex-A53
and they are not affected by spectre-v2.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20201104232218.198800-4-konrad.dybcio@somainline.org
Signed-off-by: Will Deacon <will@kernel.org>
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QCOM KRYO2XX gold (big) silver (LITTLE) CPU cores are based on
Cortex-A73 and Cortex-A53 respectively and are meltdown safe,
hence add them to kpti_safe_list[].
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20201104232218.198800-3-konrad.dybcio@somainline.org
Signed-off-by: Will Deacon <will@kernel.org>
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Add MIDR value for KRYO2XX gold (big) and silver (LITTLE)
CPU cores which are used in Qualcomm Technologies, Inc.
SoCs. This will be used to identify and apply errata
which are applicable for these CPU cores.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20201104232218.198800-2-konrad.dybcio@somainline.org
Signed-off-by: Will Deacon <will@kernel.org>
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During memory hotplug process, the linear mapping should not be created for
a given memory range if that would fall outside the maximum allowed linear
range. Else it might cause memory corruption in the kernel virtual space.
Maximum linear mapping region is [PAGE_OFFSET..(PAGE_END -1)] accommodating
both its ends but excluding PAGE_END. Max physical range that can be mapped
inside this linear mapping range, must also be derived from its end points.
This ensures that arch_add_memory() validates memory hot add range for its
potential linear mapping requirements, before creating it with
__create_pgd_mapping().
Fixes: 4ab215061554 ("arm64: Add memory hotplug support")
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Steven Price <steven.price@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/1605252614-761-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.10-2020-11-12:
amdgpu:
- Pageflip fix for DCN3
- Declare TA firmware for green sardine
- Headless navi fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201113055512.3963-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Pull phys pread/pwrite implementations to the backend (Chris)
- Correctly set SFC capability for video engines (Venkata)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201113052551.GA1319429@intel.com
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There is a NULL pointer crash when DCN disabled on headless SKU.
On normal SKU, the variable adev->ddev.mode_config.funcs is
initialized in dm_hw_init(), and it is fine to access it in
amdgpu_device_resume(). But on headless SKU, DCN is disabled,
the funcs variable is not initialized, then crash arises.
Enable DCN to fix this issue.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
In preparation to enabling hdcp on green sardine.
[How]
Add green-sardine ta f/w loading in psp_v12
Signed-off-by: Roman Li <roman.li@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
One Kconfig fix for bridge/cdns, a missing include for hypervb_fb, an
out-of-bound access fix for gma500 and a unbalanced regulator fix for
mcde.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201112130726.qwtryqvgspmljkax@gilmour.lan
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Since Grub may align the size of initrd to 4 if user pass
initrd from cpio, we have to check the preceding 3 bytes as well.
Link: https://lkml.kernel.org/r/160520205132.303174.4876760192433315429.stgit@devnote2
Cc: stable@vger.kernel.org
Fixes: 85c46b78da58 ("bootconfig: Add bootconfig magic word for indicating bootconfig explicitly")
Reported-by: Chen Yu <yu.chen.surf@gmail.com>
Tested-by: Chen Yu <yu.chen.surf@gmail.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Fix to return a negative error code from the error handling case
instead of 0 in function sel_ib_pkey_sid_slow(), as done elsewhere
in this function.
Cc: stable@vger.kernel.org
Fixes: 409dcf31538a ("selinux: Add a cache for quicker retreival of PKey SIDs")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
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SFC capability of video engines is not set correctly because i915
is testing for incorrect bits.
Fixes: c5d3e39caa45 ("drm/i915: Engine discovery query")
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v5.3+
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20201106011842.36203-1-daniele.ceraolospurio@intel.com
(cherry picked from commit ad18fa0f5f052046cad96fee762b5c64f42dd86a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Move the specialised interactions with the physical GEM object from the
pread/pwrite ioctl handler into the phys backend.
Currently, if one is able to exhaust the entire aperture and then try to
pwrite into an object not backed by struct page, we accidentally invoked
the phys pwrite handler on a non-phys object; calamitous.
Fixes: c6790dc22312 ("drm/i915: Wean off drm_pci_alloc/drm_pci_free")
Testcase: igt/gem_pwrite/exhaustion
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20201105154934.16022-2-chris@chris-wilson.co.uk
(cherry picked from commit 852e1b3644817f071427b83859b889c788a0cf69)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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As there are more and more complicated interactions between the different
backing stores and userspace, push the control into the backends rather
than accumulate them all inside the ioctl handlers.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20201105154934.16022-1-chris@chris-wilson.co.uk
(cherry picked from commit 0049b688459b846f819b6e51c24cd0781fcfde41)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Pull fscrypt fix from Eric Biggers:
"Fix a regression where new files weren't using inline encryption when
they should be"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fscrypt: fix inline encryption not used on new files
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fixes from Andreas Gruenbacher:
"Fix jdata data corruption and glock reference leak"
* tag 'gfs2-v5.10-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Fix case in which ail writes are done to jdata holes
Revert "gfs2: Ignore journal log writes for jdata holes"
gfs2: fix possible reference leak in gfs2_check_blk_type
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Current release - regressions:
- arm64: dts: fsl-ls1028a-kontron-sl28: specify in-band mode for
ENETC
Current release - bugs in new features:
- mptcp: provide rmem[0] limit offset to fix oops
Previous release - regressions:
- IPv6: Set SIT tunnel hard_header_len to zero to fix path MTU
calculations
- lan743x: correctly handle chips with internal PHY
- bpf: Don't rely on GCC __attribute__((optimize)) to disable GCSE
- mlx5e: Fix VXLAN port table synchronization after function reload
Previous release - always broken:
- bpf: Zero-fill re-used per-cpu map element
- fix out-of-order UDP packets when forwarding with UDP GSO fraglists
turned on:
- fix UDP header access on Fast/frag0 UDP GRO
- fix IP header access and skb lookup on Fast/frag0 UDP GRO
- ethtool: netlink: add missing netdev_features_change() call
- net: Update window_clamp if SOCK_RCVBUF is set
- igc: Fix returning wrong statistics
- ch_ktls: fix multiple leaks and corner cases in Chelsio TLS offload
- tunnels: Fix off-by-one in lower MTU bounds for ICMP/ICMPv6 replies
- r8169: disable hw csum for short packets on all chip versions
- vrf: Fix fast path output packet handling with async Netfilter
rules"
* tag 'net-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
lan743x: fix use of uninitialized variable
net: udp: fix IP header access and skb lookup on Fast/frag0 UDP GRO
net: udp: fix UDP header access on Fast/frag0 UDP GRO
devlink: Avoid overwriting port attributes of registered port
vrf: Fix fast path output packet handling with async Netfilter rules
cosa: Add missing kfree in error path of cosa_write
net: switch to the kernel.org patchwork instance
ch_ktls: stop the txq if reaches threshold
ch_ktls: tcb update fails sometimes
ch_ktls/cxgb4: handle partial tag alone SKBs
ch_ktls: don't free skb before sending FIN
ch_ktls: packet handling prior to start marker
ch_ktls: Correction in middle record handling
ch_ktls: missing handling of header alone
ch_ktls: Correction in trimmed_len calculation
cxgb4/ch_ktls: creating skbs causes panic
ch_ktls: Update cheksum information
ch_ktls: Correction in finding correct length
cxgb4/ch_ktls: decrypted bit is not enough
net/x25: Fix null-ptr-deref in x25_connect
...
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Pull NFS client bugfixes from Anna Schumaker:
"Stable fixes:
- Fix failure to unregister shrinker
Other fixes:
- Fix unnecessary locking to clear up some contention
- Fix listxattr receive buffer size
- Fix default mount options for nfsroot"
* tag 'nfs-for-5.10-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Remove unnecessary inode lock in nfs_fsync_dir()
NFS: Remove unnecessary inode locking in nfs_llseek_dir()
NFS: Fix listxattr receive buffer size
NFSv4.2: fix failure to unregister shrinker
nfsroot: Default mount option should ask for built-in NFS version
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Commit 716ad0986cbd ("loop: Switch to set_capacity_revalidate_and_notify")
causes an occasional drop of loop device uevent, which are no longer
triggered in loop_set_size() but in a different part of code.
Bug is reproducible with LTP test uevent01 [1]:
i=0; while true; do
i=$((i+1)); echo "== $i =="
lsmod |grep -q loop && rmmod -f loop
./uevent01 || break
done
Put back triggering through code called in loop_set_size().
Fix required to add yet another parameter to
set_capacity_revalidate_and_notify().
[1] https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/uevents/uevent01.c
[hch: rebased on a different change to the prototype of
set_capacity_revalidate_and_notify]
Cc: stable@vger.kernel.org # v5.9
Fixes: 716ad0986cbd ("loop: Switch to set_capacity_revalidate_and_notify")
Reported-by: <ltp@lists.linux.it>
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Return if the function ended up sending an uevent or not.
Cc: stable@vger.kernel.org # v5.9
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These are mostly docmentation fixes and janitorial changes plus some
new device IDs and a new quirk.
Specifics:
- Fix documentation regarding GPIO properties (Andy Shevchenko)
- Fix spelling mistakes in ACPI documentation (Flavio Suligoi)
- Fix white space inconsistencies in ACPI code (Maximilian Luz)
- Fix string formatting in the ACPI Generic Event Device (GED) driver
(Nick Desaulniers)
- Add Intel Alder Lake device IDs to the ACPI drivers used by the
Dynamic Platform and Thermal Framework (Srinivas Pandruvada)
- Add lid-related DMI quirk for Medion Akoya E2228T to the ACPI
button driver (Hans de Goede)"
* tag 'acpi-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: DPTF: Support Alder Lake
Documentation: ACPI: fix spelling mistakes
ACPI: button: Add DMI quirk for Medion Akoya E2228T
ACPI: GED: fix -Wformat
ACPI: Fix whitespace inconsistencies
ACPI: scan: Fix acpi_dma_configure_id() kerneldoc name
Documentation: firmware-guide: gpio-properties: Clarify initial output state
Documentation: firmware-guide: gpio-properties: active_low only for GpioIo()
Documentation: firmware-guide: gpio-properties: Fix factual mistakes
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Make the intel_pstate driver behave as expected when it operates in
the passive mode with HWP enabled and the 'powersave' governor on top
of it"
* tag 'pm-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: Take CPUFREQ_GOV_STRICT_TARGET into account
cpufreq: Add strict_target to struct cpufreq_policy
cpufreq: Introduce CPUFREQ_GOV_STRICT_TARGET
cpufreq: Introduce governor flags
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When no devicetree is present, the driver will use an
uninitialized variable.
Fix by initializing this variable.
Fixes: 902a66e08cea ("lan743x: correctly handle chips with internal PHY")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sven Van Asbroeck <thesven73@gmail.com>
Link: https://lore.kernel.org/r/20201112152513.1941-1-TheSven73@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Alexander Lobakin says:
====================
net: udp: fix Fast/frag0 UDP GRO
While testing UDP GSO fraglists forwarding through driver that uses
Fast GRO (via napi_gro_frags()), I was observing lots of out-of-order
iperf packets:
[ ID] Interval Transfer Bitrate Jitter
[SUM] 0.0-40.0 sec 12106 datagrams received out-of-order
Simple switch to napi_gro_receive() or any other method without frag0
shortcut completely resolved them.
I've found two incorrect header accesses in GRO receive callback(s):
- udp_hdr() (instead of udp_gro_udphdr()) that always points to junk
in "fast" mode and could probably do this in "regular".
This was the actual bug that caused all out-of-order delivers;
- udp{4,6}_lib_lookup_skb() -> ip{,v6}_hdr() (instead of
skb_gro_network_header()) that potentionally might return odd
pointers in both modes.
Each patch addresses one of these two issues.
This doesn't cover a support for nested tunnels as it's out of the
subject and requires more invasive changes. It will be handled
separately in net-next series.
Credits:
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Willem de Bruijn <willemb@google.com>
Since v4 [0]:
- split the fix into two logical ones (Willem);
- replace ternaries with plain ifs to beautify the code (Jakub);
- drop p->data part to reintroduce it later in abovementioned set.
Since v3 [1]:
- restore the original {,__}udp{4,6}_lib_lookup_skb() and use
private versions of them inside GRO code (Willem).
Since v2 [2]:
- dropped redundant check introduced in v2 as it's performed right
before (thanks to Eric);
- udp_hdr() switched to data + off for skbs from list (also Eric);
- fixed possible malfunction of {,__}udp{4,6}_lib_lookup_skb() with
Fast/frag0 due to ip{,v6}_hdr() usage (Willem).
Since v1 [3]:
- added a NULL pointer check for "uh" as suggested by Willem.
[0] https://lore.kernel.org/netdev/Ha2hou5eJPcblo4abjAqxZRzIl1RaLs2Hy0oOAgFs@cp4-web-036.plabs.ch
[1] https://lore.kernel.org/netdev/MgZce9htmEtCtHg7pmWxXXfdhmQ6AHrnltXC41zOoo@cp7-web-042.plabs.ch
[2] https://lore.kernel.org/netdev/0eaG8xtbtKY1dEKCTKUBubGiC9QawGgB3tVZtNqVdY@cp4-web-030.plabs.ch
[3] https://lore.kernel.org/netdev/YazU6GEzBdpyZMDMwJirxDX7B4sualpDG68ADZYvJI@cp4-web-034.plabs.ch
====================
Link: https://lore.kernel.org/r/hjGOh0iCOYyo1FPiZh6TMXcx3YCgNs1T1eGKLrDz8@cp4-web-037.plabs.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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udp{4,6}_lib_lookup_skb() use ip{,v6}_hdr() to get IP header of the
packet. While it's probably OK for non-frag0 paths, this helpers
will also point to junk on Fast/frag0 GRO when all headers are
located in frags. As a result, sk/skb lookup may fail or give wrong
results. To support both GRO modes, skb_gro_network_header() might
be used. To not modify original functions, add private versions of
udp{4,6}_lib_lookup_skb() only to perform correct sk lookups on GRO.
Present since the introduction of "application-level" UDP GRO
in 4.7-rc1.
Misc: replace totally unneeded ternaries with plain ifs.
Fixes: a6024562ffd7 ("udp: Add GRO functions to UDP socket")
Suggested-by: Willem de Bruijn <willemb@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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UDP GRO uses udp_hdr(skb) in its .gro_receive() callback. While it's
probably OK for non-frag0 paths (when all headers or even the entire
frame are already in skb head), this inline points to junk when
using Fast GRO (napi_gro_frags() or napi_gro_receive() with only
Ethernet header in skb head and all the rest in the frags) and breaks
GRO packet compilation and the packet flow itself.
To support both modes, skb_gro_header_fast() + skb_gro_header_slow()
are typically used. UDP even has an inline helper that makes use of
them, udp_gro_udphdr(). Use that instead of troublemaking udp_hdr()
to get rid of the out-of-order delivers.
Present since the introduction of plain UDP GRO in 5.0-rc1.
Fixes: e20cf8d3f1f7 ("udp: implement GRO for plain UDP sockets.")
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Patch b2a846dbef4e ("gfs2: Ignore journal log writes for jdata holes")
tried (unsuccessfully) to fix a case in which writes were done to jdata
blocks, the blocks are sent to the ail list, then a punch_hole or truncate
operation caused the blocks to be freed. In other words, the ail items
are for jdata holes. Before b2a846dbef4e, the jdata hole caused function
gfs2_block_map to return -EIO, which was eventually interpreted as an
IO error to the journal, and then withdraw.
This patch changes function gfs2_get_block_noalloc, which is only used
for jdata writes, so it returns -ENODATA rather than -EIO, and when
-ENODATA is returned to gfs2_ail1_start_one, the error is ignored.
We can safely ignore it because gfs2_ail1_start_one is only called
when the jdata pages have already been written and truncated, so the
ail1 content no longer applies.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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This reverts commit b2a846dbef4ef54ef032f0f5ee188c609a0278a7.
That commit changed the behavior of function gfs2_block_map to return
-ENODATA in cases where a hole (IOMAP_HOLE) is encountered and create is
false. While that fixed the intended problem for jdata, it also broke
other callers of gfs2_block_map such as some jdata block reads. Before
the patch, an encountered hole would be skipped and the buffer seen as
unmapped by the caller. The patch changed the behavior to return
-ENODATA, which is interpreted as an error by the caller.
The -ENODATA return code should be restricted to the specific case where
jdata holes are encountered during ail1 writes. That will be done in a
later patch.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2020-11-10
This series contains updates to i40e and igc drivers and the MAINTAINERS
file.
Slawomir fixes updating VF MAC addresses to fix various issues related
to reporting and setting of these addresses for i40e.
Dan Carpenter fixes a possible used before being initialized issue for
i40e.
Vinicius fixes reporting of netdev stats for igc.
Tony updates repositories for Intel Ethernet Drivers.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
MAINTAINERS: Update repositories for Intel Ethernet Drivers
igc: Fix returning wrong statistics
i40e, xsk: uninitialized variable in i40e_clean_rx_irq_zc()
i40e: Fix MAC address setting for a VF via Host/VM
====================
Link: https://lore.kernel.org/r/20201111001955.533210-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cited commit in fixes tag overwrites the port attributes for the
registered port.
Avoid such error by checking registered flag before setting attributes.
Fixes: 71ad8d55f8e5 ("devlink: Replace devlink_port_attrs_set parameters with a struct")
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20201111034744.35554-1-parav@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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VRF devices use an optimized direct path on output if a default qdisc
is involved, calling Netfilter hooks directly. This path, however, does
not consider Netfilter rules completing asynchronously, such as with
NFQUEUE. The Netfilter okfn() is called for asynchronously accepted
packets, but the VRF never passes that packet down the stack to send
it out over the slave device. Using the slower redirect path for this
seems not feasible, as we do not know beforehand if a Netfilter hook
has asynchronously completing rules.
Fix the use of asynchronously completing Netfilter rules in OUTPUT and
POSTROUTING by using a special completion function that additionally
calls dst_output() to pass the packet down the stack. Also, slightly
adjust the use of nf_reset_ct() so that is called in the asynchronous
case, too.
Fixes: dcdd43c41e60 ("net: vrf: performance improvements for IPv4")
Fixes: a9ec54d1b0cd ("net: vrf: performance improvements for IPv6")
Signed-off-by: Martin Willi <martin@strongswan.org>
Link: https://lore.kernel.org/r/20201106073030.3974927-1-martin@strongswan.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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