Merge series from Andreas Kemnade <andreas@kemnade.info>:
Add a driver for the TPS65185 regulator which provides the
comparatively high voltages needed for electronic paper displays.
Datasheet for the TPS65185 is at https://www.ti.com/lit/gpn/tps65185
To simplify things, include the hwmon part directly which is only
one temperature sensor and there are no other functions besides regulators
in this chip.
When converting to faux_device the dummy_regulator_driver was
made non-static however it isn't exported or defined anywhere
outside the file it is in. Make it static to avoid the following
sparse warning:
drivers/regulator/dummy.c:59:24: warning: symbol 'dummy_regulator_driver' was not declared. Should it be static?
Fixes: dcd2a9a555 ("regulator: dummy: convert to use the faux device interface")
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Link: https://patch.msgid.link/20260112154909.601987-1-ben.dooks@codethink.co.uk
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a driver for the TPS65185 regulator. Implement handling of the various
gpio pins. Because the PWRUP (=enable) pin functionality can be achieved
by just using two bits instead, just ensure that it is set to a stable
value.
Implement the pair of symmetric LDOs as a single regulator because they
share a single voltage set register. As the VCOM regulator sits behind that
machinery, just define that one as a supply.
For simplicity, just add the temperature sensor (depending on external NTC)
directly.
There is a mechanism to measure some kick-back voltage during a defined EPD
operation, to calibrate the VCOM voltage setting and store that
non-volatile in the chip to be the power up default setup. That is not
implemented yet in the driver, but that also means that there is a
non-factory default value in these registers after power-up.
Tested-by: Josua Mayer <josua.mayer@jm0.eu>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://patch.msgid.link/20260102-tps65185-submit-v3-2-23bda35772f2@kemnade.info
Signed-off-by: Mark Brown <broonie@kernel.org>
Document the TPS65185. GPIO names are same as in the datasheet except for
the PWRUP pad which is described as "enable". That pin is optional because
the rising edge corresponds to setting one register bit and falling edge
to another register bit.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://patch.msgid.link/20260102-tps65185-submit-v3-1-23bda35772f2@kemnade.info
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge series from André Draszik <andre.draszik@linaro.org>:
With these attached patches it becomes possible again to support
hardware designs with multiple PMICs where individual rails of each act
as required supplies for rails of the other (due to the latter being
e.g. always-on), and vice-versa.
Google Pixel 6 and 6 Pro (oriole and raven) are examples of such
designs.
Rather than returning -EPORBE_DEFER in regulator_register() when
set_machine_constraints() fails with -EPROBE_DEFER (due to missing
required supplies), we still allow rail registration and try to
reresolve supplies each time a new rail gets registered.
This is implemented using a bus (regulator bus), which allows the core
to reresolve supplies for regulators that still need them whenever new
regulators (i.e. devices) are added.
Using a bus also solves existing problems around late resolution of
supplies as mentioned in the commit message introducing that bus.
The series starts with a few bug fixes and the last two commits
implement the changes mentioned above, but do depend on the bug fixes.
- A couple more fixes for the lib/crypto KUnit tests
- Fix missing MMU protection for the AES S-box
-----BEGIN PGP SIGNATURE-----
iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCaWP6dBQcZWJpZ2dlcnNA
a2VybmVsLm9yZwAKCRDzXCl4vpKOK89sAQCLiV7LQdtHp7IJ21JhdrxPLSfhiUgp
HeSwwFylciRfggD+Ml19H/Pa3kJYbkQChL44AizlartCaiyLuiEfeTF3NQE=
=dYlq
-----END PGP SIGNATURE-----
Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull crypto library fixes from Eric Biggers:
- A couple more fixes for the lib/crypto KUnit tests
- Fix missing MMU protection for the AES S-box
* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
lib/crypto: aes: Fix missing MMU protection for AES S-box
MAINTAINERS: add test vector generation scripts to "CRYPTO LIBRARY"
lib/crypto: tests: Fix syntax error for old python versions
lib/crypto: tests: polyval_kunit: Increase iterations for preparekey in IRQs
Here are some small char/misc driver fixes for some reported issues.
Included in here is:
- much reported rust_binder fix
- counter driver fixes
- new device ids for the mei driver
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCaWOjpg8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ylCmACdEcuxjmhVP6Ye7ub22irLxy3h2qYAoJihKZuf
WlNQqB0z2fc/CvfO0xoQ
=/MYq
-----END PGP SIGNATURE-----
Merge tag 'char-misc-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char/misc driver fixes for some reported issues.
Included in here is:
- much reported rust_binder fix
- counter driver fixes
- new device ids for the mei driver
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
rust_binder: remove spin_lock() in rust_shrink_free_page()
mei: me: add nova lake point S DID
counter: 104-quad-8: Fix incorrect return value in IRQ handler
counter: interrupt-cnt: Drop IRQF_NO_THREAD flag
of SEV noinstr methods, to further robustify the code.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-----BEGIN PGP SIGNATURE-----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=GwVv
-----END PGP SIGNATURE-----
Merge tag 'x86-urgent-2026-01-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
"Disable GCOV instrumentation in the SEV noinstr.c collection of SEV
noinstr methods, to further robustify the code"
* tag 'x86-urgent-2026-01-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sev: Disable GCOV on noinstr object
- Fix an endianness bug in the gic-v5 irqchip driver
- Revert a broken commit from the riscv-imsic irqchip driver
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-----BEGIN PGP SIGNATURE-----
iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmljdx8RHG1pbmdvQGtl
cm5lbC5vcmcACgkQEnMQ0APhK1gkMg//QE/lhLha0o4pcsmz1yiPcieScvCqhiDE
ReolAwhixxZnbhfpO6beZs1bWZ8CetqfUhX3RUuOWnzUuzExYitJPC89EUl8wv5I
N+3GqllIrgXWiR3vYXBAxd/n+/zjiVZJwE3napd6Ua0R31vKN2tkGW/sBynbmJnJ
EZxb1ystomr1KAnHEtsXIyh2aM0Hyq+ueSRgPyLRgrnYisF9OkNvQziSF6XNvxrG
g4DSMMK5owUNHggB/H+9mZ0P0uE6vDhThycE4bNZLUa1QaPp1xnPcU8f/TiNqWBt
LZE+eg/eIFS3UD3iU7yONVWGKE7OGRpVY8+cERoua/z7VGkelUBB6jWXNwM8+wIa
L70b69Cuv0qiihC0icyo5EJwcDjqS1xG+HxChWOkgOgmrCZZACPrcNmvF1Ii7e24
oWF6FYNzKzW+Txs+pD/DEckuBcTBwrfJfVsdnoNxcm/cUdBbFEhBoWybeRW28on0
R0AFyTYb/Oe4GGtsfPJmEvfnX1fpajKX6Emh7uCgPIz5A+Cku/HJ83pQRXU2JIKr
bRsLEjNwVg8nGx5lyIQHpc5O8g38bVwuic2UwNSnuSs32jX/K0Hi+sOHCSNqdfmI
xMIFNbXD5IaPyoBun3cVlFCyTsEhGOvLTs4HrBFn+ekponmj6vvQA5fGL2/vS899
GNdL05I6BNY=
=qhAZ
-----END PGP SIGNATURE-----
Merge tag 'irq-urgent-2026-01-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc irqchip fixes from Ingo Molnar:
- Fix an endianness bug in the gic-v5 irqchip driver
- Revert a broken commit from the riscv-imsic irqchip driver
* tag 'irq-urgent-2026-01-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "irqchip/riscv-imsic: Embed the vector array in lpriv"
irqchip/gic-v5: Fix gicv5_its_map_event() ITTE read endianness
In a vain attempt to consolidate the email zoo switch everything to the
kernel.org account.
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix CONFIG_RELOCATABLE=y boots by building Image files from vmlinux,
rather than vmlinux.unstripped, now that the .modinfo section is
included in vmlinux.unstripped.
- Prevent branch predictor poisoning microarchitectural attacks that
use the syscall index as a vector by using array_index_nospec() to
clamp the index after the bounds check (as x86 and ARM64 already
do).
- Fix a crash in test_kprobes when building with Clang.
- Fix a deadlock possible when tracing is enabled for SBI ecalls.
- Fix the definition of the Zk standard RISC-V ISA extension bundle,
which was missing the Zknh extension.
- A few other miscellaneous non-functional cleanups, removing unused
macros, fixing an out-of-date path in code comments, resolving a
compile-time warning for a type mismatch in a pr_crit(), and removing
an unnecessary header file inclusion.
-----BEGIN PGP SIGNATURE-----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=BtHz
-----END PGP SIGNATURE-----
Merge tag 'riscv-for-linus-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"Notable changes include a fix to close one common microarchitectural
attack vector for out-of-order cores. Another patch exposed an
omission in my boot test coverage, which is currently missing
relocatable kernels. Otherwise, the fixes seem to be settling down for
us.
- Fix CONFIG_RELOCATABLE=y boots by building Image files from
vmlinux, rather than vmlinux.unstripped, now that the .modinfo
section is included in vmlinux.unstripped
- Prevent branch predictor poisoning microarchitectural attacks that
use the syscall index as a vector by using array_index_nospec() to
clamp the index after the bounds check (as x86 and ARM64 already
do)
- Fix a crash in test_kprobes when building with Clang
- Fix a deadlock possible when tracing is enabled for SBI ecalls
- Fix the definition of the Zk standard RISC-V ISA extension bundle,
which was missing the Zknh extension
- A few other miscellaneous non-functional cleanups, removing unused
macros, fixing an out-of-date path in code comments, resolving a
compile-time warning for a type mismatch in a pr_crit(), and
removing an unnecessary header file inclusion"
* tag 'riscv-for-linus-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: trace: fix snapshot deadlock with sbi ecall
riscv: remove irqflags.h inclusion in asm/bitops.h
riscv: cpu_ops_sbi: smp_processor_id() returns int, not unsigned int
riscv: configs: Clean up references to non-existing configs
riscv: kexec_image: Fix dead link to boot-image-header.rst
riscv: pgtable: Cleanup useless VA_USER_XXX definitions
riscv: cpufeature: Fix Zk bundled extension missing Zknh
riscv: fix KUnit test_kprobes crash when building with Clang
riscv: Sanitize syscall table indexing under speculation
riscv: boot: Always make Image from vmlinux, not vmlinux.unstripped
- Fix swapped example values for the `family` and `machine` attributes
in the sysfs SoC bus ABI documentation.
- Fix Rust build and intra-doc issues when optional subsystems
(CONFIG_PCI, CONFIG_AUXILIARY_BUS, CONFIG_PRINTK) are disabled.
- Fix typos and incorrect safety comments in Rust PCI, DMA, and device
ID documentation.
-----BEGIN PGP SIGNATURE-----
iHUEABYKAB0WIQS2q/xV6QjXAdC7k+1FlHeO1qrKLgUCaWK1TwAKCRBFlHeO1qrK
LlNtAP9a2C6HtdumNpYec5bbEIEAHuWIqH8DoypF0jlIP11E6QD+ONnmiWnlRyb+
iJzTXy7EZfV+/zbszWLpQ6qiuX38vgo=
=MZle
-----END PGP SIGNATURE-----
Merge tag 'driver-core-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fixes from Danilo Krummrich:
- Fix swapped example values for the `family` and `machine` attributes
in the sysfs SoC bus ABI documentation
- Fix Rust build and intra-doc issues when optional subsystems
(CONFIG_PCI, CONFIG_AUXILIARY_BUS, CONFIG_PRINTK) are disabled
- Fix typos and incorrect safety comments in Rust PCI, DMA, and
device ID documentation
* tag 'driver-core-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
rust: device: Remove explicit import of CStrExt
rust: pci: fix typos in Bar struct's comments
rust: device: fix broken intra-doc links
rust: dma: fix broken intra-doc links
rust: driver: fix broken intra-doc links to example driver types
rust: device_id: replace incorrect word in safety documentation
rust: dma: remove incorrect safety documentation
docs: ABI: sysfs-devices-soc: Fix swapped sample values
Fixes tracing test_multiple_writes stalls when buffer_size_kb is less
than 12KB.
-----BEGIN PGP SIGNATURE-----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=zuty
-----END PGP SIGNATURE-----
Merge tag 'linux_kselftest-fixes-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"Fix tracing test_multiple_writes stalls when buffer_size_kb is less
than 12KB"
* tag 'linux_kselftest-fixes-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/tracing: Fix test_multiple_writes stall
Including:
- Generic IO-Page-Table code:
- Several Kconfig-related build fixes
- Fix for when gcc 8.5 on PPC refuses to inline a function from a
header file.
-----BEGIN PGP SIGNATURE-----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=h82g
-----END PGP SIGNATURE-----
Merge tag 'iommu-fixes-v6.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iomu fixes from Joerg Roedel:
- several Kconfig-related build fixes
- fix for when gcc 8.5 on PPC refuses to inline a function from a
header file
* tag 'iommu-fixes-v6.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
iommupt: Make pt_feature() always_inline
iommufd/selftest: Prevent module/builtin conflicts in kconfig
iommufd/selftest: Add missing kconfig for DMA_SHARED_BUFFER
iommupt: Fix the kunit building
Sheng Yong reported [1] that Android APEX images didn't work with commit
072a7c7cdb ("erofs: don't bother with s_stack_depth increasing for
now") because "EROFS-formatted APEX file images can be stored within an
EROFS-formatted Android system partition."
In response, I sent a quick fat-fingered [PATCH v3] to address the
report. Unfortunately, the updated condition was incorrect:
if (erofs_is_fileio_mode(sbi)) {
- sb->s_stack_depth =
- file_inode(sbi->dif0.file)->i_sb->s_stack_depth + 1;
- if (sb->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) {
- erofs_err(sb, "maximum fs stacking depth exceeded");
+ inode = file_inode(sbi->dif0.file);
+ if ((inode->i_sb->s_op == &erofs_sops && !sb->s_bdev) ||
+ inode->i_sb->s_stack_depth) {
The condition `!sb->s_bdev` is always true for all file-backed EROFS
mounts, making the check effectively a no-op.
The real fix tested and confirmed by Sheng Yong [2] at that time was
[PATCH v3 RESEND], which correctly ensures the following EROFS^2 setup
works:
EROFS (on a block device) + EROFS (file-backed mount)
But sadly I screwed it up again by upstreaming the outdated [PATCH v3].
This patch applies the same logic as the delta between the upstream
[PATCH v3] and the real fix [PATCH v3 RESEND].
Reported-by: Sheng Yong <shengyong1@xiaomi.com>
Closes: https://lore.kernel.org/r/3acec686-4020-4609-aee4-5dae7b9b0093@gmail.com [1]
Fixes: 072a7c7cdb ("erofs: don't bother with s_stack_depth increasing for now")
Link: https://lore.kernel.org/r/243f57b8-246f-47e7-9fb1-27a771e8e9e8@gmail.com [2]
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
gcc 8.5 on powerpc does not automatically inline these functions even
though they evaluate to constants in key cases. Since the constant
propagation is essential for some code elimination and built-time checks
this causes a build failure:
ERROR: modpost: "__pt_no_sw_bit" [drivers/iommu/generic_pt/fmt/iommu_amdv1.ko] undefined!
Caused by this:
if (pts_feature(&pts, PT_FEAT_DMA_INCOHERENT) &&
!pt_test_sw_bit_acquire(&pts,
SW_BIT_CACHE_FLUSH_DONE))
flush_writes_item(&pts);
Where pts_feature() evaluates to a constant false. Mark them as
__always_inline to force it to evaluate to a constant and trigger the code
elimination.
Fixes: 7c5b184db7 ("genpt: Generic Page Table base API")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202512230720.9y9DtWIo-lkp@intel.com/
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The selftest now depends on the AMDv1 page table, however the selftest
kconfig itself is just an sub-option of the main IOMMUFD module kconfig.
This means it cannot be modular and so kconfig allowed a modular
IOMMU_PT_AMDV1 with a built in IOMMUFD. This causes link failures:
ld: vmlinux.o: in function `mock_domain_alloc_pgtable.isra.0':
selftest.c:(.text+0x12e8ad3): undefined reference to `pt_iommu_amdv1_init'
ld: vmlinux.o: in function `BSWAP_SHUFB_CTL':
sha1-avx2-asm.o:(.rodata+0xaa36a8): undefined reference to `pt_iommu_amdv1_read_and_clear_dirty'
ld: sha1-avx2-asm.o:(.rodata+0xaa36f0): undefined reference to `pt_iommu_amdv1_map_pages'
ld: sha1-avx2-asm.o:(.rodata+0xaa36f8): undefined reference to `pt_iommu_amdv1_unmap_pages'
ld: sha1-avx2-asm.o:(.rodata+0xaa3720): undefined reference to `pt_iommu_amdv1_iova_to_phys'
Adjust the kconfig to disable IOMMUFD_TEST if IOMMU_PT_AMDV1 is incompatible.
Fixes: e93d5945ed ("iommufd: Change the selftest to use iommupt instead of xarray")
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202512210135.freQWpxa-lkp@intel.com/
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
The test doesn't build without it, dma-buf.h does not provide stub
functions if it is not enabled. Compilation can fail with:
ERROR:root:ld: vmlinux.o: in function `iommufd_test':
(.text+0x3b1cdd): undefined reference to `dma_buf_get'
ld: (.text+0x3b1d08): undefined reference to `dma_buf_put'
ld: (.text+0x3b2105): undefined reference to `dma_buf_export'
ld: (.text+0x3b211f): undefined reference to `dma_buf_fd'
ld: (.text+0x3b2e47): undefined reference to `dma_buf_move_notify'
Add the missing select.
Fixes: d2041f1f11 ("iommufd/selftest: Add some tests for the dmabuf flow")
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
The kunit doesn't work since the below commit made GENERIC_PT
unselectable:
$ make ARCH=x86_64 O=build_kunit_x86_64 olddefconfig
ERROR:root:Not all Kconfig options selected in kunitconfig were in the generated .config.
This is probably due to unsatisfied dependencies.
Missing: CONFIG_DEBUG_GENERIC_PT=y, CONFIG_IOMMUFD_TEST=y,
CONFIG_IOMMU_PT_X86_64=y, CONFIG_GENERIC_PT=y, CONFIG_IOMMU_PT_AMDV1=y,
CONFIG_IOMMU_PT_VTDSS=y, CONFIG_IOMMU_PT=y, CONFIG_IOMMU_PT_KUNIT_TEST=y
Also remove the unneeded CONFIG_IOMMUFD_TEST reference as the iommupt kunit
doesn't interact with iommufd, and it doesn't currently build for the
kunit due problems with DMA_SHARED buffer either.
Fixes: 01569c216d ("genpt: Make GENERIC_PT invisible")
Fixes: 1dd4187f53 ("iommupt: Add a kunit test for Generic Page Table")
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
- Don't bother with s_stack_depth increasing to band-aid
regressions in some composefs mount setups (EROFS + ovl^2)
-----BEGIN PGP SIGNATURE-----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=irvd
-----END PGP SIGNATURE-----
Merge tag 'erofs-for-6.19-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fix from Gao Xiang:
- Don't increase s_stack_depth which caused regressions in some
composefs mount setups (EROFS + ovl^2)
Instead just allow one extra unaccounted fs stacking level for
straightforward cases.
* tag 'erofs-for-6.19-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: don't bother with s_stack_depth increasing for now
Previously, commit d53cd891f0 ("erofs: limit the level of fs stacking
for file-backed mounts") bumped `s_stack_depth` by one to avoid kernel
stack overflow when stacking an unlimited number of EROFS on top of
each other.
This fix breaks composefs mounts, which need EROFS+ovl^2 sometimes
(and such setups are already used in production for quite a long time).
One way to fix this regression is to bump FILESYSTEM_MAX_STACK_DEPTH
from 2 to 3, but proving that this is safe in general is a high bar.
After a long discussion on GitHub issues [1] about possible solutions,
one conclusion is that there is no need to support nesting file-backed
EROFS mounts on stacked filesystems, because there is always the option
to use loopback devices as a fallback.
As a quick fix for the composefs regression for this cycle, instead of
bumping `s_stack_depth` for file backed EROFS mounts, we disallow
nesting file-backed EROFS over EROFS and over filesystems with
`s_stack_depth` > 0.
This works for all known file-backed mount use cases (composefs,
containerd, and Android APEX for some Android vendors), and the fix is
self-contained.
Essentially, we are allowing one extra unaccounted fs stacking level of
EROFS below stacking filesystems, but EROFS can only be used in the read
path (i.e. overlayfs lower layers), which typically has much lower stack
usage than the write path.
We can consider increasing FILESYSTEM_MAX_STACK_DEPTH later, after more
stack usage analysis or using alternative approaches, such as splitting
the `s_stack_depth` limitation according to different combinations of
stacking.
Fixes: d53cd891f0 ("erofs: limit the level of fs stacking for file-backed mounts")
Reported-and-tested-by: Dusty Mabe <dusty@dustymabe.com>
Reported-by: Timothée Ravier <tim@siosm.fr>
Closes: https://github.com/coreos/fedora-coreos-tracker/issues/2087 [1]
Reported-by: "Alekséi Naidénov" <an@digitaltide.io>
Closes: https://lore.kernel.org/r/CAFHtUiYv4+=+JP_-JjARWjo6OwcvBj1wtYN=z0QXwCpec9sXtg@mail.gmail.com
Acked-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Alexander Larsson <alexl@redhat.com>
Reviewed-and-tested-by: Sheng Yong <shengyong1@xiaomi.com>
Reviewed-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
-----BEGIN PGP SIGNATURE-----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=DaMl
-----END PGP SIGNATURE-----
Merge tag 'block-6.19-20260109' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Kill unlikely checks for blk-rq-qos. These checks are really
all-or-nothing, either the branch is taken all the time, or it's not.
Depending on the configuration, either one of those cases may be
true. Just remove the annotation
- Fix for merging bios with different app tags set
- Fix for a recently introduced slowdown due to RCU synchronization
- Fix for a status change on loop while it's in use, and then a later
fix for that fix
- Fix for the async partition scanning in ublk
* tag 'block-6.19-20260109' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
ublk: fix use-after-free in ublk_partition_scan_work
blk-mq: avoid stall during boot due to synchronize_rcu_expedited
loop: add missing bd_abort_claiming in loop_set_status
block: don't merge bios with different app_tags
blk-rq-qos: Remove unlikely() hints from QoS checks
loop: don't change loop device under exclusive opener in loop_set_status
-----BEGIN PGP SIGNATURE-----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=ObKS
-----END PGP SIGNATURE-----
Merge tag 'io_uring-6.19-20260109' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
"A single fix for a regression introduced in 6.15, where a failure to
wake up idle io-wq workers at ring exit will wait for the timeout to
expire.
This isn't normally noticeable, as the exit is async.
But if a parent task created a thread that sets up a ring and uses
requests that cause io-wq threads to be created, and the parent task
then waits for the thread to exit, then it can take 5 seconds for that
pthread_join() to succeed as the child thread is waiting for its
children to exit.
On top of that, just a basic cleanup as well"
* tag 'io_uring-6.19-20260109' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/io-wq: remove io_wq_for_each_worker() return value
io_uring/io-wq: fix incorrect io_wq_for_each_worker() termination logic
- Do not return false if !preemptible() in current_in_efi(). EFI
runtime services can now run with preemption enabled
- Fix uninitialised variable in the arm MPAM driver, reported by sparse
- Fix partial kasan_reset_tag() use in change_memory_common() when
calculating page indices or comparing ranges
- Save/restore TCR2_EL1 during suspend/resume, otherwise the E0POE bit
is lost
-----BEGIN PGP SIGNATURE-----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=GVR8
-----END PGP SIGNATURE-----
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Do not return false if !preemptible() in current_in_efi(). EFI
runtime services can now run with preemption enabled
- Fix uninitialised variable in the arm MPAM driver, reported by sparse
- Fix partial kasan_reset_tag() use in change_memory_common() when
calculating page indices or comparing ranges
- Save/restore TCR2_EL1 during suspend/resume, otherwise the E0POE bit
is lost
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Fix cleared E0POE bit after cpu_suspend()/resume()
arm64: mm: Fix incomplete tag reset in change_memory_common()
arm_mpam: Stop using uninitialized variables in __ris_msmon_read()
arm64/efi: Don't fail check current_in_efi() if preemptible
The main code change is a revert of the Raspberry Pi RP1 overlay
support that was decided to not be ready.
The other fixes are all for devicetree sources:
- ethernet configuration on ixp42x-actiontec-mi424wr is
board revision specific
- validation warning fixes for imx27/imx51/imx6, hikey960 and k3
- Minor corrections across imx8 boards, addressing all types of
issues with interrups, dma, ethernet and clock settings, all
simple one-line changes.
-----BEGIN PGP SIGNATURE-----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=2kPF
-----END PGP SIGNATURE-----
Merge tag 'soc-fixes-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"The main code change is a revert of the Raspberry Pi RP1 overlay
support that was decided to not be ready.
The other fixes are all for devicetree sources:
- ethernet configuration on ixp42x-actiontec-mi424wr is board
revision specific
- validation warning fixes for imx27/imx51/imx6, hikey960 and k3
- Minor corrections across imx8 boards, addressing all types of
issues with interrups, dma, ethernet and clock settings, all simple
one-line changes"
* tag 'soc-fixes-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
arm64: dts: hisilicon: hikey960: Drop "snps,gctl-reset-quirk" and "snps,tx_de_emphasis*" properties
Documentation/process: maintainer-soc: Mark 'make' as commands
Documentation/process: maintainer-soc: Be more explicit about defconfig
arm64: dts: mba8mx: Fix Ethernet PHY IRQ support
arm64: dts: imx8qm-ss-dma: correct the dma channels of lpuart
arm64: dts: imx8mp: Fix LAN8740Ai PHY reference clock on DH electronics i.MX8M Plus DHCOM
arm64: dts: freescale: tx8p-ml81: fix eqos nvmem-cells
arm64: dts: freescale: moduline-display: fix compatible
dt-bindings: arm: fsl: moduline-display: fix compatible
ARM: dts: imx6q-ba16: fix RTC interrupt level
arm64: dts: freescale: imx95-toradex-smarc: fix SMARC_SDIO_WP label position
arm64: dts: freescale: imx95-toradex-smarc: use edge trigger for ethphy1 interrupt
arm64: dts: add off-on-delay-us for usdhc2 regulator
arm64: dts: imx8qm-mek: correct the light sensor interrupt type to low level
ARM: dts: nxp: imx: Fix mc13xxx LED node names
arm64: dts: imx95: correct I3C2 pclk to IMX95_CLK_BUSWAKEUP
MAINTAINERS: Fix a linusw mail address
arm64: dts: broadcom: rp1: drop RP1 overlay
arm64: dts: broadcom: bcm2712: fix RP1 endpoint PCI topology
misc: rp1: drop overlay support
...
implementation correctness issues (all marked for stable) and a change
in maintainers for CephFS: Slava and Alex have formally taken over
Xiubo's role.
-----BEGIN PGP SIGNATURE-----
iQFHBAABCAAxFiEEydHwtzie9C7TfviiSn/eOAIR84sFAmlhPnYTHGlkcnlvbW92
QGdtYWlsLmNvbQAKCRBKf944AhHzi+xRB/4wW8+zp9w+AzK023uL93A9iU4yPM+/
XYRSIhnR0VWdGTwQsSiQmuwT9RVW5ElH1o0Zzt9BBM9XW8BTIyDnCcdd4yYT+fRc
ZCG5JUXF0rRgSXYWTpHfEUg5H0wAFCruhhv51vfAuxe5+AFh+7J2/Ct2SraIMt7r
brShR7vqxUgaBp4TINdsEZBSNBhEIUkPbulZxDDq4+uFN5Cl1ZgESm4QOdxqZFJ8
lkvPRRjh7rpSIUfULSyH6UVvS/FsSjXrL1rhszlGbgwc297ox+UTk+dOfko8gdmL
/l92y6Si5CdCxEwLGHvW4lW7qWj9ba9g8v9DCy1BL6dE+CbY1HSjgtJB
=bROV
-----END PGP SIGNATURE-----
Merge tag 'ceph-for-6.19-rc5' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A bunch of libceph fixes split evenly between memory safety and
implementation correctness issues (all marked for stable) and a change
in maintainers for CephFS: Slava and Alex have formally taken over
Xiubo's role"
* tag 'ceph-for-6.19-rc5' of https://github.com/ceph/ceph-client:
libceph: make calc_target() set t->paused, not just clear it
libceph: reset sparse-read state in osd_fault()
libceph: return the handler error from mon_handle_auth_done()
libceph: make free_choose_arg_map() resilient to partial allocation
ceph: update co-maintainers list in MAINTAINERS
libceph: replace overzealous BUG_ON in osdmap_apply_incremental()
libceph: prevent potential out-of-bounds reads in handle_auth_done()
When /sys/kernel/tracing/buffer_size_kb is less than 12KB,
the test_multiple_writes test will stall and wait for more
input due to insufficient buffer space.
Check current buffer_size_kb value before the test. If it is
less than 12KB, it temporarily increase the buffer to 12KB,
and restore the original value after the tests are completed.
Link: https://lore.kernel.org/r/20260109033620.25727-1-fushuai.wang@linux.dev
Fixes: 37f4660138 ("selftests/tracing: Add basic test for trace_marker_raw file")
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iQIzBAABCgAdFiEE8rQSAMVO+zA4DBdWxWXV+ddtWDsFAmlhIx0ACgkQxWXV+ddt
WDszVRAAik5HCuE0AwSmn/9VlN4ZFIZDKNUF1RnctsJuKkqEVTXLvpf7exM+C+WR
HKTNlRxCcKikAgtk4vlh7XI3bydaeYZpxyQmfVqn1prBXvL1NUPzdKjCOkhQL9yi
9uJAGPjekrVGc/l805DlQxZ19Jzc/HxWV6/uUBO2djKNVXOljxFK9IIL6rHHzwHe
pMR6n0zkdDUUxz0+x6BaJfvz1Vn8HyNd64MgVsOYsguaOmyHpn3/gxQ17jMcIvKu
Zh3Y+3vmZBdHP4t9USi0whc5tKiM2xOAzYm10ZQLhXDFWXNWnIoLmX+QrDhPZiyJ
r99ILwFBpoxHyuACNhZJK6YaNaukp97pmgfhO8k226FpAkTsBymdSYp5il8utAIE
/mBulniqkDKA2XTyv+KtRHPCeStUK427t/ZDTzmlBxYxtdcLSvrKtiXempYQ41vt
SQZGOt4psEhR7ZuFvFI7TgtbPoEq7z2O2WukX1ujx/9gjjZTLppst7EnKfdsRT8B
KygNl8W4wWo3yhP8RSlt8XBfF+KxCO75HnpBm78yoJqxOgle6h+Vx2WzsVi06o6R
06SzEHkzNMWW6Tj68xvGcm0DTmScvY5uiElf9MgyZBY69I7/q4U8SnnlTnwiru6g
wNaDLT0y2FWrH+RhKqUmWbWQGDyKdAdA5rZdI9eXoJRNxegOMkA=
=Euzv
-----END PGP SIGNATURE-----
Merge tag 'for-6.19-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix potential NULL pointer dereference when replaying tree log after
an error
- release path before initializing extent tree to avoid potential
deadlock when allocating new inode
- on filesystems with block size > page size
- fix potential read out of bounds during encoded read of an inline
extent
- only enforce free space tree if v1 cache is required
- print correct tree id in error message
* tag 'for-6.19-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: show correct warning if can't read data reloc tree
btrfs: fix NULL pointer dereference in do_abort_log_replay()
btrfs: force free space tree for bs > ps cases
btrfs: only enforce free space tree if v1 cache is required for bs < ps cases
btrfs: release path before initializing extent tree in btrfs_read_locked_inode()
btrfs: avoid access-beyond-folio for bs > ps encoded writes
-----BEGIN PGP SIGNATURE-----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=pTRZ
-----END PGP SIGNATURE-----
Merge tag 'pci-v6.19-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fixes from Bjorn Helgaas:
- Remove ASPM L0s support for MSM8996 SoC since we now enable L0s when
advertised, and it caused random hangs on this device (Manivannan
Sadhasivam)
- Fix meson-pcie to report that the link is up while in ASPM L0s or L1,
since those are active states from the software point of view, and
treating the link as down caused config access failures (Bjorn
Helgaas)
- Fix up sparc DTS BAR descriptions that are above 4GB but not marked
as prefetchable, which caused resource assignment and driver probe
failures after we converted from the SPARC pcibios_enable_device() to
the generic version (Ilpo Järvinen)
* tag 'pci-v6.19-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
sparc/PCI: Correct 64-bit non-pref -> pref BAR resources
PCI: meson: Report that link is up while in ASPM L0s and L1 states
PCI: qcom: Remove ASPM L0s support for MSM8996 SoC
Fix the ACPI/PCI legacy interrupts (INTx) parsing in the cases when
the ACPI Global System Interrupt (GSI) value is a 32-bit one with
the MSB set that is interpreted as a negative integer and causes
acpi_pci_link_allocate_irq() to fail and acpi_irq_get_penalty() to
trigger an out-of-bounds array dereference (Lorenzo Pieralisi)
-----BEGIN PGP SIGNATURE-----
iQFGBAABCAAwFiEEcM8Aw/RY0dgsiRUR7l+9nS/U47UFAmlhHEMSHHJqd0Byand5
c29ja2kubmV0AAoJEO5fvZ0v1OO1sSIIAK1NeCVdGg9YpInOmVSneDENsaWReo9c
ZxJBKISVPkiwG+8jEbPgIJJcwAXGBgzYBOA/l2S8TkFjj3h6yRidKI2PUabW49KA
LN0k1Xkts/W4EVvY4d2J5WdNCwzzPi+cxG5fDuL5izZNP4yKJxiOvEybUAmA6i9g
EqKXnAme/qSGSfZKFltjKDu9OcV+Nq1MSezl5h4JffChIXyJ1vX5tGmM3ENxzwXN
gBUMk3BKD1TnnmjVO8Cz1WV8oDszOY3Y2+8MBGkbB5P/6Kwkdf2Wh79voddozi3D
i+kJxdAJBqsUFODprhIYmgYR5duvi8XOj6p94hLzu8yJvvStYcqudRs=
=v1UK
-----END PGP SIGNATURE-----
Merge tag 'acpi-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI support fix from Rafael Wysocki:
"This fixes the ACPI/PCI legacy interrupts (INTx) parsing in the case
when the ACPI Global System Interrupt (GSI) value is a 32-bit one with
the MSB set.
That was interpreted as a negative integer and caused
acpi_pci_link_allocate_irq() to fail and acpi_irq_get_penalty() to
trigger an out-of-bounds array dereference (Lorenzo Pieralisi)"
* tag 'acpi-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PCI: IRQ: Fix INTx GSIs signedness
Fix a crash in the hibernation image saving code that can be triggered
when the given compression algorithm is unavailable (Malaya Kumar Rout)
-----BEGIN PGP SIGNATURE-----
iQFGBAABCAAwFiEEcM8Aw/RY0dgsiRUR7l+9nS/U47UFAmlhGicSHHJqd0Byand5
c29ja2kubmV0AAoJEO5fvZ0v1OO1q1QH/A7sxNcitVM3I6bdoYyVDYpVnKiDQqTk
ofzJ+eEEh2+5iD7iBoqQBVNLDWL3iOtSCk3u8VzhIoJMwvsmaxSQYqGaOMIHNSKx
Lfdl+RsMv5LKK05uN9uxLCSIBQJkRhnKI3+AC2TEbSpmLwi0+W15XYHecj1JmyY0
upsrRUq+XGBr2LQDoWiUmRmPay8+lp8zjoHaAorl7Jm4yr7pHV8kzrztrCOttuUx
nUtJiCks+Srnm09uIf0ghVgzBTwnmAGYft/xOf+fRqJDy9t91Nf/oJsev28mFCsn
qRVn/O4i8xAgba9mKiKWmHvzoqqW8omixDFShweeTdr7Lw4hADxMwn8=
=8zHM
-----END PGP SIGNATURE-----
Merge tag 'pm-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"This fixes a crash in the hibernation image saving code that can be
triggered when the given compression algorithm is unavailable (Malaya
Kumar Rout)"
* tag 'pm-6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: hibernate: Fix crash when freeing invalid crypto compressor
- balance superio enter/exit calls in error path in gpio-it87
- fix a race where we try to take the SRCU read lock of the GPIO device
before it's been initialized causing a NULL-pointer dereference
- fix handling of short-pulse interrupts in gpio-pca053x
- fix a reference leak in error path in gpio-mpsse
- mark the GPIO controller as sleeping (it calls sleeping functions) in
gpio-rockchip
- fix several issues in management of shared GPIOs
-----BEGIN PGP SIGNATURE-----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=HN6d
-----END PGP SIGNATURE-----
Merge tag 'gpio-fixes-for-v6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"There are several ordinary driver fixes and a fix to a race between
the registration of two chips that causes a crash in GPIO core.
The bulk of the changed lines however, concerns the management of
shared GPIOs that landed in v6.19-rc1. Enabling it for ARCH_QCOM
enabled it in defconfig which effectively enabled it for all arm64
platforms and exposed the code to quite a lot of testing (which is
good, right? :)).
As a resukt, I received a number of bug reports, which I progressively
fixed over the course of last weeks. This explains the number of lines
higher than what I normally aim for at this stage.
- balance superio enter/exit calls in error path in gpio-it87
- fix a race where we try to take the SRCU read lock of the GPIO
device before it's been initialized causing a NULL-pointer
dereference
- fix handling of short-pulse interrupts in gpio-pca053x
- fix a reference leak in error path in gpio-mpsse
- mark the GPIO controller as sleeping (it calls sleeping functions)
in gpio-rockchip
- fix several issues in management of shared GPIOs"
* tag 'gpio-fixes-for-v6.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: shared: fix a false-positive sharing detection with reset-gpios
gpiolib: fix lookup table matching
gpio: shared: don't allocate the lookup table until we really need it
gpio: shared: fix a race condition
gpio: shared: assign the correct firmware node for reset-gpio use-case
gpio: rockchip: mark the GPIO controller as sleeping
gpio: mpsse: fix reference leak in gpio_mpsse_probe() error paths
gpio: pca953x: handle short interrupt pulses on PCAL devices
gpiolib: fix race condition for gdev->srcu
gpio: shared: allow sharing a reset-gpios pin between reset-gpio and gpiolib
gpio: shared: verify con_id when adding proxy lookup
gpiolib: allow multiple lookup tables per consumer
gpio: it87: balance superio enter/exit calls in error path
MAINTAINERS:
- Fix Nova GPU driver git links.
- Fix typo in TYR driver entry preventing correct behavior of
scripts/get_maintainer.pl.
- Exclude TYR driver from DRM MISC.
nova-core:
- Correctly select RUST_FW_LOADER_ABSTRACTIONS to prevent build
errors.
- Regenerate nova-core bindgen bindings with '--explicit-padding' to
avoid uninitialized bytes.
- Fix length of received GSP messages, due to miscalculated message
payload size.
- Regenerate bindings to derive MaybeZeroable.
- Use a bindings alias to derive the firmware version.
exynos:
- hdmi: replace system_wq with system_percpu_wq
pl111:
- Fix error handling in probe
mediatek/atomic/tidss:
- Fix tidss in another way and revert reordering of pre-enable and post-disable operations,
as it breaks other bridge drivers.
nouveau:
- Fix regression from fwsec s/r fix.
pci/vga:
- Fix multiple gpu's being reported a 'boot_display'
fb-helper:
- Fix vblank timeout during suspend/reset
amdgpu:
- Clang fixes
- Navi1x PCIe DPM fixes
- Ring reset fixes
- ISP suspend fix
- Analog DC fixes
- VPE fixes
- Mode1 reset fix
radeon:
- Variable sized array fix
-----BEGIN PGP SIGNATURE-----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=kmaJ
-----END PGP SIGNATURE-----
Merge tag 'drm-fixes-2026-01-09' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"I missed the drm-rust fixes tree for last week, so this catches up on
that, along with amdgpu, and then some misc fixes across a few
drivers. I hadn't got an xe pull by the time I sent this, I suspect
one will arrive 10 mins after, but I don't think there is anything
that can't wait for next week.
Things seem to have picked up a little with people coming back from
holidays,
MAINTAINERS:
- Fix Nova GPU driver git links
- Fix typo in TYR driver entry preventing correct behavior of
scripts/get_maintainer.pl
- Exclude TYR driver from DRM MISC
nova-core:
- Correctly select RUST_FW_LOADER_ABSTRACTIONS to prevent build
errors
- Regenerate nova-core bindgen bindings with '--explicit-padding' to
avoid uninitialized bytes
- Fix length of received GSP messages, due to miscalculated message
payload size
- Regenerate bindings to derive MaybeZeroable
- Use a bindings alias to derive the firmware version
exynos:
- hdmi: replace system_wq with system_percpu_wq
pl111:
- Fix error handling in probe
mediatek/atomic/tidss:
- Fix tidss in another way and revert reordering of pre-enable and
post-disable operations, as it breaks other bridge drivers
nouveau:
- Fix regression from fwsec s/r fix
pci/vga:
- Fix multiple gpu's being reported a 'boot_display'
fb-helper:
- Fix vblank timeout during suspend/reset
amdgpu:
- Clang fixes
- Navi1x PCIe DPM fixes
- Ring reset fixes
- ISP suspend fix
- Analog DC fixes
- VPE fixes
- Mode1 reset fix
radeon:
- Variable sized array fix"
* tag 'drm-fixes-2026-01-09' of https://gitlab.freedesktop.org/drm/kernel: (32 commits)
Reapply "Revert "drm/amd: Skip power ungate during suspend for VPE""
drm/amd/display: Check NULL before calling dac_load_detection
drm/amd/pm: Disable MMIO access during SMU Mode 1 reset
drm/exynos: hdmi: replace use of system_wq with system_percpu_wq
drm/fb-helper: Fix vblank timeout during suspend/reset
PCI/VGA: Don't assume the only VGA device on a system is `boot_vga`
drm/amdgpu: Fix query for VPE block_type and ip_count
drm/amd/display: Add missing encoder setup to DACnEncoderControl
drm/amd/display: Correct color depth for SelectCRTC_Source
drm/amd/amdgpu: Fix SMU warning during isp suspend-resume
drm/amdgpu: always backup and reemit fences
drm/amdgpu: don't reemit ring contents more than once
drm/amd/pm: force send pcie parmater on navi1x
drm/amd/pm: fix wrong pcie parameter on navi1x
drm/radeon: Remove __counted_by from ClockInfoArray.clockInfo[]
drm/amd/display: Reduce number of arguments of dcn30's CalculateWatermarksAndDRAMSpeedChangeSupport()
drm/amd/display: Reduce number of arguments of dcn30's CalculatePrefetchSchedule()
drm/amd/display: Apply e4479aecf6 to dml
nouveau: don't attempt fwsec on sb on newer platforms
drm/tidss: Fix enable/disable order
...
-----BEGIN PGP SIGNATURE-----
iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCaWDTUAAKCRCRxhvAZXjc
okDeAQDsEpgFy8hpD08HBs4TpUXv7MSRqwZS7emlsfUqEjeprwEAgu95YuJ+z6hV
RFk/Lior/+YlB5FN5VcKzyQGMuRDUwc=
=snsQ
-----END PGP SIGNATURE-----
Merge tag 'vfs-6.19-rc5.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Remove incorrect __user annotation from struct xattr_args::value
- Documentation fix: Add missing kernel-doc description for the @isnew
parameter in ilookup5_nowait() to silence Sphinx warnings
- Documentation fix: Fix kernel-doc comment for __start_dirop() - the
function name in the comment was wrong and the @state parameter was
undocumented
- Replace dynamic folio_batch allocation with stack allocation in
iomap_zero_range(). The dynamic allocation was problematic for
ext4-on-iomap work (didn't handle allocation failure properly) and
triggered lockdep complaints. Uses a flag instead to control batch
usage
- Re-add #ifdef guards around PIDFD_GET_<ns-type>_NAMESPACE ioctls.
When a namespace type is disabled, ns->ops is NULL, causes crashes
during inode eviction when closing the fd. The ifdefs were removed in
a recent simplification but are still needed
- Fixe a race where a folio could be unlocked before the trailing zeros
(for EOF within the page) were written
- Split out a dedicated lease_dispose_list() helper since lease code
paths always know they're disposing of leases. Removes unnecessary
runtime flag checks and prepares for upcoming lease_manager
enhancements
- Fix userland delegation requests succeeding despite conflicting
opens. Previously, FL_LAYOUT and FL_DELEG leases bypassed conflict
checks (a hack for nfsd). Adds new ->lm_open_conflict() lease_manager
operation so userland delegations get proper conflict checking while
nfsd can continue its own conflict handling
- Fix LOOKUP_CACHED path lookups incorrectly falling through to the
slow path. After legitimize_links() calls were conditionally elided,
the routine would always fail with LOOKUP_CACHED regardless of
whether there were any links. Now the flag is checked at the two
callsites before calling legitimize_links()
- Fix bug in media fd allocation in media_request_alloc()
- Fix mismatched API calls in ecryptfs_mknod(): was calling
end_removing() instead of end_creating() after
ecryptfs_start_creating_dentry()
- Fix dentry reference count leak in ecryptfs_mkdir(): a dget() of the
lower parent dir was added but never dput()'d, causing BUG during
lower filesystem unmount due to the still-in-use dentry
* tag 'vfs-6.19-rc5.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs:
pidfs: protect PIDFD_GET_* ioctls() via ifdef
ecryptfs: Release lower parent dentry after creating dir
ecryptfs: Fix improper mknod pairing of start_creating()/end_removing()
get rid of bogus __user in struct xattr_args::value
VFS: fix __start_dirop() kernel-doc warnings
fs: Describe @isnew parameter in ilookup5_nowait()
fs: make sure to fail try_to_unlazy() and try_to_unlazy() for LOOKUP_CACHED
netfs: Fix early read unlock of page with EOF in middle
filelock: allow lease_managers to dictate what qualifies as a conflict
filelock: add lease_dispose_list() helper
iomap: replace folio_batch allocation with stack allocation
media: mc: fix potential use-after-free in media_request_alloc()
The __alloc_percpu() fails when the number of IDs are greater than 959
because size parameter of __alloc_percpu() must be less than 32768 (aka
PCPU_MIN_UNIT_SIZE). This failure is observed with KVMTOOL when AIA is
trap-n-emulated by in-kernel KVM because in this case KVM guest has 2047
interrupt IDs.
To address this issue, don't embed vector array in struct imsic_local_priv
until __alloc_percpu() support size parameter greater than 32768.
This reverts commit 79eaabc61d ("irqchip/riscv-imsic: Embed the vector
array in lpriv").
Signed-off-by: Anup Patel <anup.patel@oss.qualcomm.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20251223143544.1504217-1-anup.patel@oss.qualcomm.com
A race condition exists between the async partition scan work and device
teardown that can lead to a use-after-free of ub->ub_disk:
1. ublk_ctrl_start_dev() schedules partition_scan_work after add_disk()
2. ublk_stop_dev() calls ublk_stop_dev_unlocked() which does:
- del_gendisk(ub->ub_disk)
- ublk_detach_disk() sets ub->ub_disk = NULL
- put_disk() which may free the disk
3. The worker ublk_partition_scan_work() then dereferences ub->ub_disk
leading to UAF
Fix this by using ublk_get_disk()/ublk_put_disk() in the worker to hold
a reference to the disk during the partition scan. The spinlock in
ublk_get_disk() synchronizes with ublk_detach_disk() ensuring the worker
either gets a valid reference or sees NULL and exits early.
Also change flush_work() to cancel_work_sync() to avoid running the
partition scan work unnecessarily when the disk is already detached.
Fixes: 7fc4da6a30 ("ublk: scan partition in async way")
Reported-by: Ruikai Peng <ruikai@pwno.io>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Since commit 98e48cd928 ("regulator: core: resolve supply for
boot-on/always-on regulators"), the regulator core returns
-EPROBE_DEFER if a supply can not be resolved at regulator_register()
time due to set_machine_constraints() requiring that supply (e.g.
because of always-on or boot-on).
In some hardware designs, multiple PMICs are used where individual
rails of each act as supplies for rails of the other, and vice-versa.
In such a design no PMIC driver can probe when registering one top-
level regulator device (as is common practice for almost all regulator
drivers in Linux) since that commit. Supplies are only considered when
their driver has fully bound, but because in a design like the above
two drivers / devices depend on each other, neither will have fully
bound while the other probes. The Google Pixel 6 and 6 Pro (oriole and
raven) are examples of such a design.
One way to make this work would be to register each rail as an
individual device, rather than just one top-level regulator device.
Then, fw-devlink and Linux' driver core could do their usual handling
of deferred device probe as each rail would be probed individually.
This approach was dismissed in [1] as each regulator driver would have
to take care of this itself.
Alternatively, we can change the regulator core to not fail
regulator_register() if a rail's required supply can not be resolved
while keeping the intended change from above mentioned commit, and
instead retry whenever a new rail is registered. This commit implements
such an approach:
If set_machine_constraints() requests probe deferral,
regulator_register() still succeeds and we retry setting
constraints as part of regulator_resolve_supply().
We still do not enable the regulator or allow consumers to use it
until constraints have been set (including resolution of the
supply) to prevent enabling of a regulator before its supply.
With this change, we keep track of regulators with missing required
supplies and can therefore try to resolve them again and try to set
the constraints again once more regulators become available.
Care has to be taken to not allow consumers to use regulators that
haven't had their constraints set yet. regulator_get() ensures that
and now returns -EPROBE_DEFER in that case.
The implementation is straight-forward, thanks to our newly introduced
regulator-bus. Locking in regulator_resolve_supply() has to be done
carefully, as a combination of regulator_(un)lock_two() and
regulator_(un)lock_dependent() is needed. The reason is that
set_machine_constraints() might call regulator_enable() which needs
rdev and all its dependents locked, but everything else requires to
only have rdev and its supply locked.
Link: https://lore.kernel.org/all/aRn_-o-vie_QoDXD@sirena.co.uk/ [1]
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260109-regulators-defer-v2-8-1a25dc968e60@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
When a regulator A and its supply B are provided by different devices,
the driver implementing B might be last to probe (with A still
pending resolution of its supply B). While we try to resolve all
pending supplies for all regulators (including A) during
regulator_register() of B via regulator_register_resolve_supply(),
supply resolution will still not work for A as the driver for B hasn't
finished binding to the PMIC device corresponding to B at that stage
yet. The regulator core explicitly only allows supplies from other
devices to be used once the relevant driver has fully bound, mainly to
avoid having to deal with cases where B itself might -EPROBE_DEFER.
In this case, A's supply will only be resolved as part of the core's
regulator_init_complete_work_function(), which currently is scheduled
to run after 30s. This was added as a work-around in
commit 3827b64dba ("regulator: core: Resolve supplies before
disabling unused regulators") to cover this situation.
There are two problems with that approach:
* it potentially runs long after all our consumers have probed
* an upcoming change will allow regulator_register() to complete
successfully even when required supplies (e.g. due to always-on or
boot-on) are missing at register time, deferring full configuration
of the regulator (and usability by consumers, i.e. usually consumer
probe) until the supply becomes available.
Resolving supplies in the late work func can therefore make it
impossible for consumers to probe at all, as the driver core will not
know to reprobe consumers when supplies have resolved.
We could schedule an earlier work to try to resolve supplies sooner,
but that'd be racy as consumers of A might try to probe before A's
supply gets fully resolved via this extra work.
Instead, add a very simple regulator bus and add a dummy device with a
corresponding driver to it for each regulator that is missing its
supply during regulator_register(). This way, the driver core will call
our bus' probe whenever a new (regulator) device was successfully
bound, allowing us to retry resolving the supply during (our bus) probe
and to bind this dummy device if successful. In turn this means the
driver core will see a newly bound device and retry probing of all
pending consumers, if any.
With that in place, we can avoid walking the full list of all known
regulators to try resolve missing supplies during regulator_register(),
as the driver core will invoke the bus probe for regulators that are
still pending their supplies. We can also drop the code trying to
resolve supplies one last time before unused regulators get disabled,
as all supplies should have resolved at that point in time, and if they
haven't then there's no point in trying again, as the outcome won't
change.
Note: We can not reuse the existing struct device created for each
rail, as a device can not be part of a class and a bus simultaneously.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260109-regulators-defer-v2-7-1a25dc968e60@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Receiving and forwarding critical supply events seems like they're
important information and we shouldn't ignore errors occurring during
registration for such events.
With this change the supply is unset on event registration failure,
allowing us to potentially retry another time.
Fixes: 433e294c3c ("regulator: core: forward undervoltage events downstream by default")
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260109-regulators-defer-v2-6-1a25dc968e60@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Since commit 98e48cd928 ("regulator: core: resolve supply for
boot-on/always-on regulators") we require that a regulator's supply has
been resolved before enabling the regulator. Furthermore,
regulator_get() also fails if the supply hasn't been resolved yet
(preventing consumers from enabling a regulator without its supply
known). In combination this means that regulator_resolve_supply() now
always runs before the regulator has been enabled via
set_machine_constraints().
The code here was meant to run after enabling the regulator in case the
supply hadn't been resolved at that time and can therefore never
execute anymore since that commit.
Remove it.
No functional change intended.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260109-regulators-defer-v2-5-1a25dc968e60@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
For always-on and boot-on regulators, regulator_register() is currently
trying to anticipate the requirement to resolve a supply early.
Unfortunately, this code executes too early, before we have potentially
updated the regulator's always_on constraint as part of
set_machine_constraints(), causing it to miss cases.
Rather than trying to hack it more, just defer to the outcome of
set_machine_constraints(). The latter returns early (without doing any
regulator initialisation) with -EPROBE_DEFER as of commit 'regulator:
core: move supply check earlier in set_machine_constraints()' and is
therefore safe to call multiple times to determine if supplies need to
be resolved early.
Commit 8a866d527a ("regulator: core: Resolve supply name earlier to
prevent double-init") (later updated by
commit 520fb17821 ("regulator: core: Fix regulator supply
registration with sysfs")) added these tests originally to avoid
calling set_machine_constraints() multiple times to try to avoid
voltage glitches due to all the regulator initialisation happening each
time. This isn't an issue anymore as per above.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260109-regulators-defer-v2-4-1a25dc968e60@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Since commit 98e48cd928 ("regulator: core: resolve supply for
boot-on/always-on regulators"), set_machine_constraints() can return
-EPROBE_DEFER very late, after it has done a lot of work and
configuration of the regulator.
This means that configuration will happen multiple times for no
benefit in that case. Furthermore, this can lead to timing-dependent
voltage glitches as mentioned e.g. in commit 8a866d527a ("regulator:
core: Resolve supply name earlier to prevent double-init").
We can know that it's going to fail very early, in particular before
going through the complete regulator configuration by moving some code
around a little.
Do so to avoid re-configuring the regulator multiple times, also
avoiding the voltage glitches if we can.
Fixes: 98e48cd928 ("regulator: core: resolve supply for boot-on/always-on regulators")
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260109-regulators-defer-v2-3-1a25dc968e60@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
If late enabling of a supply regulator fails in
regulator_resolve_supply(), the code currently triggers a lockdep
warning:
WARNING: drivers/regulator/core.c:2649 at _regulator_put+0x80/0xa0, CPU#6: kworker/u32:4/596
...
Call trace:
_regulator_put+0x80/0xa0 (P)
regulator_resolve_supply+0x7cc/0xbe0
regulator_register_resolve_supply+0x28/0xb8
as the regulator_list_mutex must be held when calling _regulator_put().
To solve this, simply switch to using regulator_put().
While at it, we should also make sure that no concurrent access happens
to our rdev while we clear out the supply pointer. Add appropriate
locking to ensure that.
While the code in question will be removed altogether in a follow-up
commit, I believe it is still beneficial to have this corrected before
removal for future reference.
Fixes: 36a1f1b6dd ("regulator: core: Fix memory leak in regulator_resolve_supply()")
Fixes: 8e5356a736 ("regulator: core: Clear the supply pointer if enabling fails")
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260109-regulators-defer-v2-2-1a25dc968e60@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
1)
In print_constraints_debug(), the power budget is printed as:
lldo2: 450 <--> 1300 mV at 900 mV 2147483647 mW budge, enabled
(note the missing t in budget). This is because there is a --count just
below the call to scnprintf(), to make space for the comma. All similar
calls to scnprintf() above add an extra space to the format string to
allow for that, but this one doesn't, so the last character t is
stripped instead. Update the format string to fix the message.
2)
Add the name of the supply to the failure message printed when the
supply can not be resolved when debug messages are enabled to help with
debug.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260109-regulators-defer-v2-1-1a25dc968e60@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
