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Pull drm fixes from Dave Airlie:
"Seems like a quiet enough week, xe/amdgpu being the usual suspects,
then mediatek with a few fixes, and otherwise just misc other bits.
dp:
- aux dpcd address fix
xe:
- SR-IOV fixes for GT reset and TLB invalidation
- Fix memory copy direction during migration
- Fix alignment check on migration
- Fix MOCS and page fault init order to correctly account
for topology
amdgpu:
- Fix a DC memory leak
- DCN 4.0.1 degamma LUT fix
- Fix reset counter handling for soft recovery
- GC 8 fix
radeon:
- Drop console locks when suspending/resuming
nouveau:
- ioctl validation fix
panfrost:
- scheduler bug fix
mediatek:
- Add wait_event_timeout when disabling plane
- only announce AFBC if really supported
- mtk_dpi: Reorder output formats on MT8195/88"
* tag 'drm-fixes-2025-07-18-1' of https://gitlab.freedesktop.org/drm/kernel:
drm/mediatek: mtk_dpi: Reorder output formats on MT8195/88
drm/mediatek: only announce AFBC if really supported
drm/mediatek: Add wait_event_timeout when disabling plane
drm/xe/pf: Resend PF provisioning after GT reset
drm/xe/pf: Prepare to stop SR-IOV support prior GT reset
drm/xe/migrate: Fix alignment check
drm/xe: Move page fault init after topology init
drm/xe/mocs: Initialize MOCS index early
drm/xe/migrate: fix copy direction in access_memory
drm/xe: Dont skip TLB invalidations on VF
drm/amdgpu/gfx8: reset compute ring wptr on the GPU on resume
drm/amdgpu: Increase reset counter only on success
drm/radeon: Do not hold console lock during resume
drm/radeon: Do not hold console lock while suspending clients
drm/amd/display: Disable CRTC degamma LUT for DCN401
drm/amd/display: Free memory allocation
drm/dp: Change AUX DPCD probe address from LANE0_1_STATUS to TRAINING_PATTERN_SET
drm/panfrost: Fix scheduler workqueue bug
drm/nouveau: check ioctl command codes better
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes again. The only change in the core is
about the handling of ALSA compress-offload ioctl numbers for avoiding
potential abusing the API (if any).
Other than that, all changes are device-specific small fixes and
quirks, which should be safe to apply"
* tag 'sound-6.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: amd: yc: Add DMI quirk for HP Laptop 17 cp-2033dx
ASoC: Intel: soc-acpi: add support for HP Omen14 ARL
ASoC: amd: yc: Add DMI entries to support HP 15-fb1xxx
ALSA: hda/realtek: Add quirk for ASUS ROG Strix G712LWS
ALSA: hda/cs35l56: Workaround bad dev-index on Lenovo Yoga Book 9i GenX
ALSA: hda/realtek: Support mute LED for Yoga with ALC287
ASoC: Intel: fix SND_SOC_SOF dependencies
ASoC: rt5660: Fix the dmic data source from GPIO2
ALSA: hda/realtek - Fix mute LED for HP Victus 16-r0xxx
ALSA: compress_offload: tighten ioctl command number checks
ASoC: Intel: avs: Fix NULL ptr deref on rmmod
ASoC: amd: yc: add DMI quirk for ASUS M6501RM
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire fixes from Vinod Koul:
"This contains a couple of amd driver fixes to handle alerts when the
link is down and the cmd status register clears up.
Also a revert of the qualcomm driver channel map support due to a
regression"
* tag 'soundwire-6.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: Revert "soundwire: qcom: Add set_channel_map api support"
soundwire: amd: fix for clearing command status register
soundwire: amd: fix for handling slave alerts after link is down
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
- Mediatek flag reuse error fix
- Array overbound fix for nbpfaxi
- Frame size warning in driver probe
* tag 'dmaengine-fix-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dma: dw-edma: Fix build warning in dw_edma_pcie_probe()
dmaengine: nbpfaxi: Fix memory corruption in probe()
dmaengine: mediatek: Fix a flag reuse error in mtk_cqdma_tx_status()
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git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy fixes from Vinod Koul:
"Core:
- use per-PHY lockdep keys, in order to fix a phy using internal phys
Drivers:
- tegra:
- fixes for unbalanced regulator
- decouple pad calibration fix
- disable periodic updates
- qualcomm:
- error code fix for driver probe"
* tag 'phy-fix-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
phy: qcom: fix error code in snps_eusb2_hsphy_probe()
phy: use per-PHY lockdep keys
phy: tegra: xusb: Fix unbalanced regulator disable in UTMI PHY mode
phy: tegra: xusb: Disable periodic tracking on Tegra234
phy: tegra: xusb: Decouple CYA_TRK_CODE_UPDATE_ON_IDLE from trk_hw_mode
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC host:
- bcm2835: Fix dma_unmap_sg() nents value
- sdhci_am654: Add workaround for maximum HW timeout
- sdhci-pci: Disable broken CQE Intel GLK-based Positivo models
MEMSTICK:
- Zero initialize id_reg in h_memstick_read_dev_id()"
* tag 'mmc-v6.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
memstick: core: Zero initialize id_reg in h_memstick_read_dev_id()
mmc: bcm2835: Fix dma_unmap_sg() nents value
mmc: sdhci_am654: Workaround for Errata i2312
mmc: sdhci-pci: Quirk for broken command queuing on Intel GLK-based Positivo models
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reparse support
Some servers (including Samba), support the SMB3.1.1 POSIX Extensions (which use reparse
points for handling special files) but do not properly advertise file system attribute
FILE_SUPPORTS_REPARSE_POINTS. Although we don't check for this attribute flag when
querying special file information, we do check it when creating special files which
causes them to fail unnecessarily. If we have negotiated SMB3.1.1 POSIX Extensions
with the server we can expect the server to support creating special files via
reparse points, and even if the server fails the operation due to really forbidding
creating special files, then it should be no problem and is more likely to return a
more accurate rc in any case (e.g. EACCES instead of EOPNOTSUPP).
Allow creating special files as long as the server supports either reparse points
or the SMB3.1.1 POSIX Extensions (note that if the "sfu" mount option is specified
it uses a different way of storing special files that does not rely on reparse points).
Cc: <stable@vger.kernel.org>
Fixes: 6c06be908ca19 ("cifs: Check if server supports reparse points before using them")
Acked-by: Ralph Boehme <slow@samba.org>
Acked-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Pull xfs fixes from Carlos Maiolino:
"This contains mostly code clean up, refactoring and comments
modification.
The most important patch in this series is the last one that removes
an unnecessary data structure allocation of xfs busy extents which
might lead to a memory leak on the zoned allocator code"
* tag 'xfs-fixes-6.16-rc7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: don't allocate the xfs_extent_busy structure for zoned RTGs
xfs: remove the bt_bdev_file buftarg field
xfs: rename the bt_bdev_* buftarg fields
xfs: refactor xfs_calc_atomic_write_unit_max
xfs: add a xfs_group_type_buftarg helper
xfs: remove the call to sync_blockdev in xfs_configure_buftarg
xfs: clean up the initial read logic in xfs_readsb
xfs: replace strncpy with memcpy in xattr listing
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The GPIO output functionality does not work as intended.
The ucd9000_gpio_set function should set UCD9000_GPIO_CONFIG_OUT_VALUE
(bit 2) in order to change the output value of the selected GPIO.
Instead UCD9000_GPIO_CONFIG_STATUS (bit 3) is set, but this is a
read-only value. This patch fixes the mistake and provides the intended
functionality of the GPIOs.
See UCD90xxx Sequencer and System Health Controller PMBus Command SLVU352C
section 10.43 for reference.
Signed-off-by: Torben Nielsen <t8927095@gmail.com>
Link: https://lore.kernel.org/r/20250718093644.356085-2-t8927095@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The hwmon sysfs interface specifies that energy values should be
reported in microjoules. This is also what tools such as lmsensors
expect, reporting wrong values otherwise.
Adjust the driver to scale the output accordingly and adjust ina238
driver documentation.
Fixes: 6daaf15a1173 ("hwmon: (ina238) Add support for SQ52206")
Signed-off-by: Jonas Rebmann <jre@pengutronix.de>
Link: https://lore.kernel.org/r/20250715-hwmon-ina238-microjoules-v1-1-9df678568a41@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Pull bcachefs fixes from Kent Overstreet:
- two small syzbot fixes
- fix discard behaviour regression; we no longer wait until the number
of buckets needing discard is greater than the number of buckets
available before kicking off discards
- fix a fast_list leak when async object debugging is enabled
- fixes for casefolding when CONFIG_UTF8 != y
* tag 'bcachefs-2025-07-17' of git://evilpiepirate.org/bcachefs:
bcachefs: Fix bch2_maybe_casefold() when CONFIG_UTF8=n
bcachefs: Fix build when CONFIG_UNICODE=n
bcachefs: Fix reference to invalid bucket in copygc
bcachefs: Don't build aux search tree when still repairing node
bcachefs: Tweak threshold for allocator triggering discards
bcachefs: Fix triggering of discard by the journal path
bcachefs: io_read: remove from async obj list in rbio_done()
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Busy extent tracking is primarily used to ensure that freed blocks are
not reused for data allocations before the transaction that deleted them
has been committed to stable storage, and secondarily to drive online
discard. None of the use cases applies to zoned RTGs, as the zoned
allocator can't overwrite blocks before resetting the zone, which already
flushes out all transactions touching the RTGs.
So the busy extent tracking is not needed for zoned RTGs, and also not
called for zoned RTGs. But somehow the code to skip allocating and
freeing the structure got lost during the zoned XFS upstreaming process.
This not only causes these structures to unnecessarily allocated, but can
also lead to memory leaks as the xg_busy_extents pointer in the
xfs_group structure is overlayed with the pointer for the linked list
of to be reset zones.
Stop allocating and freeing the structure to not pointlessly allocate
memory which is then leaked when the zone is reset.
Fixes: 080d01c41d44 ("xfs: implement zoned garbage collection")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: <stable@vger.kernel.org> # v6.15
[cem: Fix type and add stable tag]
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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The regulator_set_voltage() function may exhibit unexpected behavior if the
target regulator has a maximum voltage step constraint. With such a
constraint, the regulator core may clamp the requested voltage to a lesser
value, to ensure that the voltage delta stays under the specified limit.
This means that the resulting regulator voltage depends on the current
voltage, as well as the requested range, which invalidates the assumption
that a repeated request for a specific voltage range will amount to a noop.
Considering the case of a regulator with a maximum voltage step constraint
of 1V:
initial voltage: 2.5V
consumer requests 4V
expected result: 3.5V
resulting voltage: 3.5V
consumer requests 4V again
expected result: 4V
actual result: 3.5V
Correct this by repeating attempts to balance the regulator voltage until
the result converges.
Signed-off-by: Romain Gantois <romain.gantois@bootlin.com>
Link: https://patch.msgid.link/20250718-regulator-stepping-v2-1-e28c9ac5d54a@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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One of the BWMON instances on SM8750 requires that its MMIO space is
mapped specifically with the nE memory attribute.
Allow the nonposted-mmio property which instructs the OS to do so.
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250716-8750_cpubwmon-v4-1-12212098e90f@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Add Epoch Subsystem (EPSS) L3 interconnect provider binding for
QCS8300 SoC. As the EPSS hardware in QCS8300 and SA8775P are same,
added a family-level compatible for SA877P SoC. This shared fallback
compatible allows grouping of SoCs with similar hardware, reducing
the need to explicitly list each variant in the driver match table.
Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250711102540.143-2-raviteja.laggyshetty@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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No double colon is necessary in the description. Fix it for all bindings
so future bindings won't have the same copy-paste mistake.
Reported-by: Rob Herring <robh@kernel.org>
Closes: https://lore.kernel.org/lkml/20250625150458.GA1182597-robh@kernel.org/
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250717-bindings-double-colon-v1-2-c04abc180fcd@fairphone.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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In the same spirit as e.g. Commit b136d257ee0b ("interconnect: qcom:
sc8280xp: Drop IP0 interconnects"), drop the resources that should be
taken care of through the clk-rpmh driver.
Fixes: 77d79677b04b ("interconnect: qcom: add QCS615 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250627-topic-qcs615_icc_ipa-v1-2-dc47596cde69@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Specify .num_nodes for several BCMs which missed this declaration.
Fixes: 04548d4e2798 ("interconnect: qcom: sc8180x: Reformat node and bcm definitions")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250704-rework-icc-v2-2-875fac996ef5@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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The qnm_a1noc_cfg declaration didn't include .num_links definition, fix
it.
Fixes: f29dabda7917 ("interconnect: qcom: Add SC8280XP interconnect provider")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250704-rework-icc-v2-1-875fac996ef5@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Convert the Renesas IRQC driver from SIMPLE_DEV_PM_OPS() to
DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr(). This allows to drop the
__maybe_unused annotations from its suspend callback, and reduces kernel
size in case CONFIG_PM or CONFIG_PM_SLEEP is disabled.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/5a14f9932da20ec46cde27f314414474072755ed.1752086718.git.geert+renesas@glider.be
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Convert the Renesas INTC External IRQ Pin driver from SIMPLE_DEV_PM_OPS()
to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr(). This allows to drop the
__maybe_unused annotations from its suspend callbacks, and reduces kernel
size in case CONFIG_PM or CONFIG_PM_SLEEP is disabled.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/865e5274cc516d8c345048330a46e753e2bda677.1752086656.git.geert+renesas@glider.be
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When injecting IPIs to a set of harts, the IMSIC IPI support will do a
separate MMIO write to the SETIPNUM_LE register of each target hart. This
means on a platform where IMSIC is trap-n-emulated, there will be N MMIO
traps when injecting IPI to N target harts hence IMSIC IPIs will be slow on
such platforms compared to the SBI IPI extension.
Unfortunately, there is no DT, ACPI, or any other way of discovering
whether the underlying IMSIC is trap-n-emulated. Using MMIO write to the
SETIPNUM_LE register for injecting IPI is purely a software choice in the
IMSIC driver hence add a kernel parameter to allow users to disable IMSIC
IPIs on platforms with trap-n-emulated IMSIC.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250716123745.557585-1-apatel@ventanamicro.com
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It was incorrectly named as GICD_CTRL in a pr_info() and comments. Fix
them.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/all/20250709130046.1354-1-yuzenghui@huawei.com
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The call to irq_domain_remove(msi_data->parent); was accidentally left
behind during a code refactor. It's not necessary to free
"msi_data->parent" because it is NULL and, in fact, trying to free it
will lead to a NULL pointer dereference. Delete the unnecessary code.
Fixes: 94b59d5f567a ("irqchip/ls-scfg-msi: Switch to use msi_create_parent_irq_domain()")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Nam Cao <namcao@linutronix.de>
Link: https://lore.kernel.org/all/15059507-6422-4333-94ca-e8e8840bd289@sabinyo.mountain
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The mute led on this laptop is using ALC245 but requires a quirk to work
This patch enables the existing quirk for the device.
Tested on my Victus 15-fa0xxx Laptop. The LED behaviour works
as intended.
Cc: <stable@vger.kernel.org>
Signed-off-by: Edip Hazuri <edip@medip.dev>
Link: https://patch.msgid.link/20250717212625.366026-2-edip@medip.dev
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Expose the auxiliary clocks through the vDSO.
Architectures not using the generic vDSO time framework,
namely SPARC64, are not supported.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250701-vdso-auxclock-v1-12-df7d9f87b9b8@linutronix.de
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Expose the auxiliary clock data so it can be read from the vDSO.
Architectures not using the generic vDSO time framework,
namely SPARC64, are not supported.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250701-vdso-auxclock-v1-11-df7d9f87b9b8@linutronix.de
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Move the constant resolution to a shared header,
so the vDSO can use it and return it without going through a syscall.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250701-vdso-auxclock-v1-10-df7d9f87b9b8@linutronix.de
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This code is duplicated and with the introduction of auxiliary clocks will
be duplicated even more.
Introduce a helper.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250701-vdso-auxclock-v1-9-df7d9f87b9b8@linutronix.de
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This code is duplicated and with the introduction of auxiliary clocks will
be duplicated even more.
Introduce a helper.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250701-vdso-auxclock-v1-8-df7d9f87b9b8@linutronix.de
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Move the clock ID validation check into a common helper.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250701-vdso-auxclock-v1-7-df7d9f87b9b8@linutronix.de
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The internal helpers are effectively using boolean results,
while pretending to use error numbers.
Switch the return type to bool for more clarity.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250701-vdso-auxclock-v1-6-df7d9f87b9b8@linutronix.de
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Given mt8365_dai_set_priv allocate priv_size space to copy priv_data which
means we should pass mt8365_i2s_priv[i] or "struct mtk_afe_i2s_priv"
instead of afe_priv which has the size of "struct mt8365_afe_private".
Otherwise the KASAN complains about.
[ 59.389765] BUG: KASAN: global-out-of-bounds in mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]
...
[ 59.394789] Call trace:
[ 59.395167] dump_backtrace+0xa0/0x128
[ 59.395733] show_stack+0x20/0x38
[ 59.396238] dump_stack_lvl+0xe8/0x148
[ 59.396806] print_report+0x37c/0x5e0
[ 59.397358] kasan_report+0xac/0xf8
[ 59.397885] kasan_check_range+0xe8/0x190
[ 59.398485] asan_memcpy+0x3c/0x98
[ 59.399022] mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]
[ 59.399928] mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm]
[ 59.400893] mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm]
[ 59.401873] platform_probe+0xcc/0x228
[ 59.402442] really_probe+0x340/0x9e8
[ 59.402992] driver_probe_device+0x16c/0x3f8
[ 59.403638] driver_probe_device+0x64/0x1d8
[ 59.404256] driver_attach+0x1dc/0x4c8
[ 59.404840] bus_for_each_dev+0x100/0x190
[ 59.405442] driver_attach+0x44/0x68
[ 59.405980] bus_add_driver+0x23c/0x500
[ 59.406550] driver_register+0xf8/0x3d0
[ 59.407122] platform_driver_register+0x68/0x98
[ 59.407810] mt8365_afe_pcm_driver_init+0x2c/0xff8 [snd_soc_mt8365_pcm]
Fixes: 402bbb13a195 ("ASoC: mediatek: mt8365: Add I2S DAI support")
Signed-off-by: Guoqing Jiang <guoqing.jiang@canonical.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20250710011806.134507-1-guoqing.jiang@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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When the Cortex-M remote core is started and already running before
Linux boots (typically by the Cortex-A bootloader using a command like
bootaux), the current driver is unable to attach to it. This is because
the driver only checks for remote cores running in different SCU
partitions. However in this case, the M-core is in the same partition as
Linux and is already powered up and running by the bootloader.
This patch adds a check using dev_pm_genpd_is_on() to verify whether the
M-core's power domains are already on. If all power domain devices are
on, the driver assumes the M-core is running and proceed to attach to
it.
To accomplish this, we need to avoid passing any attach_data or flags to
dev_pm_domain_attach_list(), allowing the platform device become a
consumer of the power domain provider without changing its current
state.
During probe, also enable and sync the device runtime PM to make sure
the power domains are correctly managed when the core is controlled by
the kernel.
Suggested-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Hiago De Franco <hiago.franco@toradex.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20250716194638.113115-1-hiagofranco@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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When processing mount options, efivarfs allocates efivarfs_fs_info (sfi)
early in fs_context initialization. However, sfi is associated with the
superblock and typically freed when the superblock is destroyed. If the
fs_context is released (final put) before fill_super is called—such as
on error paths or during reconfiguration—the sfi structure would leak,
as ownership never transfers to the superblock.
Implement the .free callback in efivarfs_context_ops to ensure any
allocated sfi is properly freed if the fs_context is torn down before
fill_super, preventing this memory leak.
Suggested-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Fixes: 5329aa5101f73c ("efivarfs: Add uid/gid mount options")
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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NeilBrown <neil@brown.name> says:
This series of patches for overlayfs is primarily focussed on preparing
for some proposed changes to directory locking. In the new scheme we
will lock individual dentries in a directory rather than the whole
directory.
ovl currently will sometimes lock a directory on the upper filesystem
and do a few different things while holding the lock. This is
incompatible with the new scheme.
This series narrows the region of code protected by the directory lock,
taking it multiple times when necessary. This theoretically open up the
possibilty of other changes happening on the upper filesytem between the
unlock and the lock. To some extent the patches guard against that by
checking the dentries still have the expect parent after retaking the
lock. In general, I think ovl would have trouble if upperfs were being
changed independantly, and I don't think the changes here increase the
problem in any important way.
After this series (with any needed changes) lands I will resubmit my
change to vfs_rmdir() behaviour to have it drop the lock on error. ovl
will be much better positioned to handle that change. It will come with
the new "lookup_and_lock" API that I am proposing.
* patches from https://lore.kernel.org/20250716004725.1206467-1-neil@brown.name: (21 commits)
ovl: rename ovl_cleanup_unlocked() to ovl_cleanup()
ovl: change ovl_create_real() to receive dentry parent
ovl: narrow locking in ovl_check_rename_whiteout()
ovl: narrow locking in ovl_whiteout()
ovl: change ovl_cleanup_and_whiteout() to take rename lock as needed
ovl: narrow locking on ovl_remove_and_whiteout()
ovl: change ovl_workdir_cleanup() to take dir lock as needed.
ovl: narrow locking in ovl_workdir_cleanup_recurse()
ovl: narrow locking in ovl_indexdir_cleanup()
ovl: narrow locking in ovl_workdir_create()
ovl: narrow locking in ovl_cleanup_index()
ovl: narrow locking in ovl_cleanup_whiteouts()
ovl: narrow locking in ovl_rename()
ovl: simplify gotos in ovl_rename()
ovl: narrow locking in ovl_create_over_whiteout()
ovl: narrow locking in ovl_clear_empty()
ovl: narrow locking in ovl_create_upper()
ovl: narrow the locked region in ovl_copy_up_workdir()
ovl: Call ovl_create_temp() without lock held.
ovl: change ovl_create_index() to take dir locks
...
Link: https://lore.kernel.org/20250716004725.1206467-1-neil@brown.name
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The only remaining user of ovl_cleanup() is ovl_cleanup_locked(), so we
no longer need both.
This patch renames ovl_cleanup() to ovl_cleanup_locked() and makes it
static.
ovl_cleanup_unlocked() is renamed to ovl_cleanup().
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-22-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Instead of passing an inode *dir, pass a dentry *parent. This makes the
calling slightly cleaner.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-21-neil@brown.name
Signed-off-by: Christian Brauner <brauner@kernel.org>
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ovl_check_rename_whiteout() now only holds the directory lock when
needed, and takes it again if necessary.
This makes way for future changes where locks are taken on individual
dentries rather than the whole directory.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-20-neil@brown.name
Signed-off-by: Christian Brauner <brauner@kernel.org>
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ovl_whiteout() relies on the workdir i_rwsem to provide exclusive access
to ofs->whiteout which it manipulates. Rather than depending on this,
add a new mutex, "whiteout_lock" to explicitly provide the required
locking. Use guard(mutex) for this so that we can return without
needing to explicitly unlock.
Then take the lock on workdir only when needed - to lookup the temp name
and to do the whiteout or link.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-19-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Rather than locking the directory(s) before calling
ovl_cleanup_and_whiteout(), change it (and ovl_whiteout()) to do the
locking, so the locking can be fine grained as will be needed for
proposed locking changes.
Sometimes this is called to whiteout something in the index dir, in
which case only that dir must be locked. In one case it is called on
something in an upperdir, so two directories must be locked. We use
ovl_lock_rename_workdir() for this and remove the restriction that
upperdir cannot be indexdir - because now sometimes it is.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-18-neil@brown.name
Signed-off-by: Christian Brauner <brauner@kernel.org>
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This code:
performs a lookup_upper
creates a whiteout object
renames the whiteout over the result of the lookup
The create and the rename must be locked separately for proposed
directory locking changes. This patch takes a first step of moving the
lookup out of the locked region. A subsequent patch will separate the
create from the rename.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-17-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Rather than calling ovl_workdir_cleanup() with the dir already locked,
change it to take the dir lock only when needed.
Also change ovl_workdir_cleanup() to take a dentry for the parent rather
than an inode.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-16-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Only take the dir lock when needed, rather than for the whole loop.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-15-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Instead of taking the directory lock for the whole cleanup, only take it
when needed.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-14-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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In ovl_workdir_create() don't hold the dir lock for the whole time, but
only take it when needed.
It now gets taken separately for ovl_workdir_cleanup(). A subsequent
patch will move the locking into that function.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-13-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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ovl_cleanup_index() takes a lock on the directory and then does a lookup
and possibly one of two different cleanups.
This patch narrows the locking to use the _unlocked() versions of the
lookup and one cleanup, and just takes the lock for the other cleanup.
A subsequent patch will take the lock into the cleanup.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-12-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Rather than lock the directory for the whole operation, use
ovl_lookup_upper_unlocked() and ovl_cleanup_unlocked() to take the lock
only when needed.
This makes way for future changes where locks are taken on individual
dentries rather than the whole directory.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-11-neil@brown.name
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Drop the rename lock immediately after the rename, and use
ovl_cleanup_unlocked() for cleanup.
This makes way for future changes where locks are taken on individual
dentries rather than the whole directory.
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-10-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Rather than having three separate goto label: out_unlock, out_dput_old,
and out_dput, make use of that fact that dput() happily accepts a NULL
pointer to reduce this to just one goto label: out_unlock.
olddentry and newdentry are initialised to NULL and only set once a
value dentry is found. They are then dput() late in the function.
Suggested-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://lore.kernel.org/20250716004725.1206467-9-neil@brown.name
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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