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Fixes: 010c89468134 ("bcachefs: Check for casefolded dirents in non casefolded dirs")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Pull drm fixes from Dave Airlie:
"Weekly drm fixes pull, on target to be quiet, just one amdgpu, one
edid and a few minor xe fixes.
edid:
- fix HDR metadata reset
amdgpu:
- Hibernate fix
xe:
- Make sure to check all forcewakes when dumping mocs
- Fix wrong use of read64 on 32b register
- Synchronize Panther Lake PCI IDs"
* tag 'drm-fixes-2025-05-24' of https://gitlab.freedesktop.org/drm/kernel:
drm/xe/ptl: Update the PTL pci id table
drm/xe: Use xe_mmio_read32() to read mtcfg register
drm/xe/mocs: Check if all domains awake
Revert "drm/amd: Keep display off while going into S4"
drm/edid: fixed the bug that hdr metadata was not reset
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into soc/late
RISC-V Devicetrees for v6.16
Sophgo:
Add Pinctrl & SPI support for SG2042 SoC, and
refactor the dts of cv18xx to facilitate adding
support for arm core later (SG200X has two cores,
one is RISC-V and another is ARM64).
Also add initial support for Sophgo SG2044/SRD3-10.
SRD3-10 board bases on Sophgo SG2044 SoC and
initial support includes uart only. This part of
the changes involves some modifications to dts
and bindings.
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
* tag 'riscv-sophgo-dt-for-v6.16' of https://github.com/sophgo/linux:
riscv: dts: sophgo: switch precise compatible for existed clock device for CV18XX
riscv: dts: sophgo: Add initial device tree of Sophgo SRD3-10
dt-bindings: riscv: sophgo: Add SG2044 compatible string
dt-bindings: interrupt-controller: Add Sophgo SG2044 PLIC
dt-bindings: interrupt-controller: Add Sophgo SG2044 CLINT mswi
riscv: dts: sopgho: use SOC_PERIPHERAL_IRQ to calculate interrupt number
riscv: dts: sophgo: rename header file cv18xx.dtsi to cv180x.dtsi
riscv: dts: sophgo: Move riscv cpu definition to a separate file
riscv: dts: sophgo: Move all soc specific device into soc dtsi file
riscv: sophgo: dts: Add spi controller for SG2042
riscv: dts: sophgo: sg2042: add pinctrl support
Link: https://lore.kernel.org/r/MA0P287MB22622FA23ECF9B9216735FA0FE9CA@MA0P287MB2262.INDP287.PROD.OUTLOOK.COM
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
Driver Changes:
- Fix a SLPC debugfs NULL pointer dereference (Aradhya)
- Fix an arbitrary value sysfs read return (Aradhya)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://lore.kernel.org/r/aDAxCgfm7HJbrchD@fedora
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
- Fix for Thunderbolt sink disconnect on MTL/ARL/LNL
- Fix for DDI port clock select mask on PTL+
- Add error checks for alloc_ordered_workqueue() and alloc_workqueue() in display
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://lore.kernel.org/r/aC7LQUtxXKgOVTVt@jlahtine-mobl
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Make sure to check all forcewakes when dumping mocs
- Fix wrong use of read64 on 32b register
- Synchronize Panther Lake PCI IDs
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/uixp5cq7emz32lmwwvq4vbujppugfozhyj3cm2aqzx4lcg7ivn@m2khvf4kvz5p
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.15-2025-05-22:
amdgpu:
- Hibernate fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250522183941.9606-1-alexander.deucher@amd.com
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Short summary of fixes pull:
edid:
- fix HDR metadata reset
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250522113902.GA7000@localhost.localdomain
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On error, copy_from_user returns number of bytes not copied to
destination, but current implementation of copy_user_data_sleepable does
not handle that correctly and returns it as error value, which may
confuse user, expecting meaningful negative error value.
Fixes: a498ee7576de ("bpf: Implement dynptr copy kfuncs")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250523181705.261585-1-mykyta.yatsenko5@gmail.com
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Additional v6.16 updates
A couple more updates on top of the last set I sent you, a new driver
for the ES8375 and a fix for the Cirrus KUnit tests from Jaroslav.
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Per the spec, the default max memory region must be 1 covering
all system memory.
When platform does not provide ACPI MRRM table or
when CONFIG_ACPI is opted out, the acpi_mrrm_max_mem_region() function
defaults to returning 1 region complying to RDT spec.
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://patch.msgid.link/20250523172001.1761634-1-anil.s.keshavamurthy@intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lorenz Bauer says:
====================
Allow mmap of /sys/kernel/btf/vmlinux
I'd like to cut down the memory usage of parsing vmlinux BTF in ebpf-go.
With some upcoming changes the library is sitting at 5MiB for a parse.
Most of that memory is simply copying the BTF blob into user space.
By allowing vmlinux BTF to be mmapped read-only into user space I can
cut memory usage by about 75%.
Signed-off-by: Lorenz Bauer <lmb@isovalent.com>
---
Changes in v5:
- Fix error return of btf_parse_raw_mmap (Andrii)
- Link to v4: https://lore.kernel.org/r/20250510-vmlinux-mmap-v4-0-69e424b2a672@isovalent.com
Changes in v4:
- Go back to remap_pfn_range for aarch64 compat
- Dropped btf_new_no_copy (Andrii)
- Fixed nits in selftests (Andrii)
- Clearer error handling in the mmap handler (Andrii)
- Fixed build on s390
- Link to v3: https://lore.kernel.org/r/20250505-vmlinux-mmap-v3-0-5d53afa060e8@isovalent.com
Changes in v3:
- Remove slightly confusing calculation of trailing (Alexei)
- Use vm_insert_page (Alexei)
- Simplified libbpf code
- Link to v2: https://lore.kernel.org/r/20250502-vmlinux-mmap-v2-0-95c271434519@isovalent.com
Changes in v2:
- Use btf__new in selftest
- Avoid vm_iomap_memory in btf_vmlinux_mmap
- Add VM_DONTDUMP
- Add support to libbpf
- Link to v1: https://lore.kernel.org/r/20250501-vmlinux-mmap-v1-0-aa2724572598@isovalent.com
---
====================
Link: https://patch.msgid.link/20250520-vmlinux-mmap-v5-0-e8c941acc414@isovalent.com
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
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Teach libbpf to use mmap when parsing vmlinux BTF from /sys. We don't
apply this to fall-back paths on the regular file system because there
is no way to ensure that modifications underlying the MAP_PRIVATE
mapping are not visible to the process.
Signed-off-by: Lorenz Bauer <lmb@isovalent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250520-vmlinux-mmap-v5-3-e8c941acc414@isovalent.com
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Add a basic test for the ability to mmap /sys/kernel/btf/vmlinux.
Ensure that the data is valid BTF and that it is padded with zero.
Signed-off-by: Lorenz Bauer <lmb@isovalent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Link: https://lore.kernel.org/bpf/20250520-vmlinux-mmap-v5-2-e8c941acc414@isovalent.com
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User space needs access to kernel BTF for many modern features of BPF.
Right now each process needs to read the BTF blob either in pieces or
as a whole. Allow mmaping the sysfs file so that processes can directly
access the memory allocated for it in the kernel.
remap_pfn_range is used instead of vm_insert_page due to aarch64
compatibility issues.
Signed-off-by: Lorenz Bauer <lmb@isovalent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev>
Link: https://lore.kernel.org/bpf/20250520-vmlinux-mmap-v5-1-e8c941acc414@isovalent.com
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fix from Rafael Wysocki:
"This fixes a coding mistake in the x86_pkg_temp_thermal Intel thermal
driver that was introduced by an incorrect conflict resolution during
a merge (Zhang Rui)"
* tag 'thermal-6.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: x86_pkg_temp_thermal: Fix bogus trip temperature
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-Fix the comment describing the 'start' function, which was a cut/paste
mistake for a different function.
-The comment for DIRECT_REQ and DIRECT_RESP only mentioned AArch32
and listed 32-bit function IDs. Update to include 64-bit.
Signed-off-by: Stuart Yoder <stuart.yoder@arm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Instead of pr_xxx() macro, use dev_xxx() to print log.
This patch changes some error log level to warn log level when
the tpm_crb_ffa secure partition doesn't support properly but
system can run without it.
(i.e) unsupport of direct message ABI or unsupported ABI version
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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For secure partition with multi service, tpm_ffa_crb can access tpm
service with direct message request v2 interface according to chapter 3.3,
TPM Service Command Response Buffer Interface Over FF-A specificationi v1.0 BET.
This patch reflects this spec to access tpm service over
FF-A direct message request v2 ABI.
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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The kmalloc failure message is just noise. Remove it and replace -EFAULT
with -ENOMEM as standard for out of memory allocation error returns.
Link: https://lore.kernel.org/linux-integrity/20250430083435.860146-1-colin.i.king@gmail.com/
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Merge series from Zhang Yi <zhangyi@everest-semi.com>:
The driver is for codec ES8375 of everest-semi.
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Merge series from Gabor Juhos <j4g8y7@gmail.com>:
The two patches in the series are extending the usage of FIELD_PREP()
macro and predefined bitmasks usage in the driver.
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When submitting of the descriptors fails, it is quite likely that
the register read buffer contains no valid data. Even if the data
is valid the function returns with an error code anyway.
Change the code to return early if qcom_submit_descs() fails to
avoid superfluously copying possibly invalid data.
Also change the return statement at the end of the function to use
zero value to indicate success obviusly.
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Link: https://patch.msgid.link/20250515-qpic-snand-early-error-v1-1-681c87611213@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Pull smb server fixes from Steve French:
- Fix for rename regression due to the recent VFS lookup changes
- Fix write failure
- locking fix for oplock handling
* tag 'v6.15-rc8-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: use list_first_entry_or_null for opinfo_get_list()
ksmbd: fix rename failure
ksmbd: fix stream write failure
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Add test generic_11 for covering new control command of
UBLK_U_CMD_QUIESCE_DEV.
Add 'quiesce -n dev_id' sub-command on ublk utility for transitioning
device state to quiesce states, then verify the feature via generic_10
by doing quiesce and recovery.
Cc: Yoav Cohen <yoav@nvidia.com>
Link: https://lore.kernel.org/linux-block/DM4PR12MB632807AB7CDCE77D1E5AB7D0A9B92@DM4PR12MB6328.namprd12.prod.outlook.com/
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250522163523.406289-4-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add feature UBLK_F_QUIESCE, which adds control command `UBLK_U_CMD_QUIESCE_DEV`
for quiescing device, then device state can become `UBLK_S_DEV_QUIESCED`
or `UBLK_S_DEV_FAIL_IO` finally from ublk_ch_release() with ublk server
cooperation.
This feature can help to support to upgrade ublk server application by
shutting down ublk server gracefully, meantime keep ublk block device
persistent during the upgrading period.
The feature is only available for UBLK_F_USER_RECOVERY.
Suggested-by: Yoav Cohen <yoav@nvidia.com>
Link: https://lore.kernel.org/linux-block/DM4PR12MB632807AB7CDCE77D1E5AB7D0A9B92@DM4PR12MB6328.namprd12.prod.outlook.com/
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250522163523.406289-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add test generic_10 for covering new control command of UBLK_U_CMD_UPDATE_SIZE.
Add 'update_size -s|--size size_in_bytes' sub-command on ublk utility for
supporting this feature, then verify the feature via generic_10.
Cc: Omri Mann <omri@nvidia.com>
Cc: Jared Holzman <jholzman@nvidia.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250522163523.406289-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Remove hard-coded strings by using the str_read_write() helper.
Signed-off-by: Yumeng Fang <fang.yumeng@zte.com.cn>
Signed-off-by: Yunjian Long <long.yunjian@zte.com.cn>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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Filesystems like XFS can implement atomic write I/O using either
REQ_ATOMIC flag set in the bio or via CoW operation. It will be useful
if we have a flag in trace events to distinguish between the two. This
patch adds char 'U' (Untorn writes) to rwbs field of the trace events
if REQ_ATOMIC flag is set in the bio.
<W/ REQ_ATOMIC>
=================
xfs_io-4238 [009] ..... 4148.126843: block_rq_issue: 259,0 WFSU 16384 () 768 + 32 none,0,0 [xfs_io]
<idle>-0 [009] d.h1. 4148.129864: block_rq_complete: 259,0 WFSU () 768 + 32 none,0,0 [0]
<W/O REQ_ATOMIC>
===============
xfs_io-4237 [010] ..... 4143.325616: block_rq_issue: 259,0 WS 16384 () 768 + 32 none,0,0 [xfs_io]
<idle>-0 [010] d.H1. 4143.329138: block_rq_complete: 259,0 WS () 768 + 32 none,0,0 [0]
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Link: https://lore.kernel.org/r/44317cb2ec4588f6a2c1501a96684e6a1196e8ba.1747921498.git.ritesh.list@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
i2c-host updates for v6.16
Cleanups and refactorings
- Many drivers switched to dev_err_probe()
- Generic cleanups applied to designware, iproc, ismt, mlxbf,
npcm7xx, qcom-geni, pasemi, and thunderx
- davinci: declare I2C mangling support among I2C features
- designware: clean up DTS handling
- designware: fix PM runtime on driver unregister
- imx: improve error logging during probe
- lpc2k: improve checks in probe error path
- xgene-slimpro: improve PCC shared memory handling
- pasemi: improve error handling in reset, smbus clear, timeouts
- tegra: validate buffer length during transfers
- wmt: convert binding to YAML format
Improvements and extended support:
- microchip-core: add SMBus support
- mlxbf: add support for repeated start in block transfers
- mlxbf: improve timer configuration
- npcm: attempt clock toggle recovery before failing init
- octeon: add support for block mode operations
- pasemi: add support for unjam device feature
- riic: add support for bus recovery
New device support:
- MediaTek Dimensity 1200 (MT6893)
- Sophgo SG2044
- Renesas RZ/V2N (R9A09G056)
- Rockchip RK3528
- AMD ISP (new driver)
Misc changes:
- core: add support for Write Disable-aware SPD
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Fix a sparse warning by making the ops_ipq5018 struct static.
Fixes: 04b31cc53fe0 ("thermal/drivers/qcom/tsens: Add support for IPQ5018 tsens")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202505202356.S21Sc7bk-lkp@intel.com/
Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20250522-ipq5018-tsens-sparse-v1-1-97edaaaef27c@outlook.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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'arm/smmu/bindings', 'fsl/pamu', 'mediatek', 'renesas/ipmmu', 's390', 'intel/vt-d', 'amd/amd-vi' and 'core' into next
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Commit 2031c469f816 ("iommu/vt-d: Add support for static identity domain")
changed the context entry setup during domain attachment from a
set-and-check policy to a clear-and-reset approach. This inadvertently
introduced a regression affecting PCI aliased devices behind PCIe-to-PCI
bridges.
Specifically, keyboard and touchpad stopped working on several Apple
Macbooks with below messages:
kernel: platform pxa2xx-spi.3: Adding to iommu group 20
kernel: input: Apple SPI Keyboard as
/devices/pci0000:00/0000:00:1e.3/pxa2xx-spi.3/spi_master/spi2/spi-APP000D:00/input/input0
kernel: DMAR: DRHD: handling fault status reg 3
kernel: DMAR: [DMA Read NO_PASID] Request device [00:1e.3] fault addr
0xffffa000 [fault reason 0x06] PTE Read access is not set
kernel: DMAR: DRHD: handling fault status reg 3
kernel: DMAR: [DMA Read NO_PASID] Request device [00:1e.3] fault addr
0xffffa000 [fault reason 0x06] PTE Read access is not set
kernel: applespi spi-APP000D:00: Error writing to device: 01 0e 00 00
kernel: DMAR: DRHD: handling fault status reg 3
kernel: DMAR: [DMA Read NO_PASID] Request device [00:1e.3] fault addr
0xffffa000 [fault reason 0x06] PTE Read access is not set
kernel: DMAR: DRHD: handling fault status reg 3
kernel: applespi spi-APP000D:00: Error writing to device: 01 0e 00 00
Fix this by restoring the previous context setup order.
Fixes: 2031c469f816 ("iommu/vt-d: Add support for static identity domain")
Closes: https://lore.kernel.org/all/4dada48a-c5dd-4c30-9c85-5b03b0aa01f0@bfh.ch/
Cc: stable@vger.kernel.org
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20250514060523.2862195-1-baolu.lu@linux.intel.com
Link: https://lore.kernel.org/r/20250520075849.755012-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"A few last minute fixes:
- two driver fixes for samsung/google platforms, both addressing
mistakes in changes from the 6.15 merge window
- a revert for an allwinner devicetree change that caused problems
- a fix for an older regression with the LEDs on Marvell Armada 3720
- a defconfig change to enable chacha20 again after a crypto
subsystem change in 6.15 inadventently turned it off"
* tag 'soc-fixes-6.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: defconfig: Ensure CRYPTO_CHACHA20_NEON is selected
arm64: dts: marvell: uDPU: define pinctrl state for alarm LEDs
Revert "arm64: dts: allwinner: h6: Use RSB for AXP805 PMIC connection"
soc: samsung: usi: prevent wrong bits inversion during unconfiguring
firmware: exynos-acpm: check saved RX before bailing out on empty RX queue
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There is a spelling mistake in a dev_info message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://patch.msgid.link/20250522083157.1957240-1-colin.i.king@gmail.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Ilpo Järvinen:
- dell-wmi-sysman: Avoid buffer overflow in current_password_store()
- fujitsu-laptop: Support Lifebook S2110 hotkeys
- intel/pmc: Fix Arrow Lake U/H NPU PCI ID
- think-lmi: Fix attribute name usage for non-compliant items
- thinkpad_acpi: Ignore battery threshold change event notification
* tag 'platform-drivers-x86-v6.15-6' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/intel/pmc: Fix Arrow Lake U/H NPU PCI ID
platform/x86: think-lmi: Fix attribute name usage for non-compliant items
platform/x86: thinkpad_acpi: Ignore battery threshold change event notification
platform/x86: dell-wmi-sysman: Avoid buffer overflow in current_password_store()
platform/x86: fujitsu-laptop: Support Lifebook S2110 hotkeys
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The ACPI sysfs code will fail to initialize if acpi_kobj is NULL,
together with some ACPI drivers.
Follow the other firmware subsystems and bail out if the kobject
cannot be registered.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20250518185111.3560-2-W_Armin@gmx.de
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
"This contains a small set of fixes for the blocking buffer lookup
conversion done earlier this cycle.
It adds a missing conversion in the getblk slowpath and a few minor
optimizations and cleanups"
* tag 'vfs-6.15-rc8.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs/buffer: optimize discard_buffer()
fs/buffer: remove superfluous statements
fs/buffer: avoid redundant lookup in getblk slowpath
fs/buffer: use sleeping lookup in __getblk_slowpath()
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The platform profile driver is loaded even on platforms that do not have
ACPI enabled. The initialization of the sysfs entries was recently moved
from platform_profile_register() to the module init call, and those
entries need acpi_kobj to be initialized which is not the case when ACPI
is disabled.
This results in the following warning:
WARNING: CPU: 5 PID: 1 at fs/sysfs/group.c:131 internal_create_group+0xa22/0xdd8
Modules linked in:
CPU: 5 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W 6.15.0-rc7-dirty #6 PREEMPT
Tainted: [W]=WARN
Hardware name: riscv-virtio,qemu (DT)
epc : internal_create_group+0xa22/0xdd8
ra : internal_create_group+0xa22/0xdd8
Call Trace:
internal_create_group+0xa22/0xdd8
sysfs_create_group+0x22/0x2e
platform_profile_init+0x74/0xb2
do_one_initcall+0x198/0xa9e
kernel_init_freeable+0x6d8/0x780
kernel_init+0x28/0x24c
ret_from_fork+0xe/0x18
Fix this by checking if ACPI is enabled before trying to create sysfs
entries.
Fixes: 77be5cacb2c2 ("ACPI: platform_profile: Create class for ACPI platform profile")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://patch.msgid.link/20250522141410.31315-1-alexghiti@rivosinc.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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KASAN reported out of bounds access - cs_dsp_mock_bin_add_name_or_info(),
because the source string length was rounded up to the allocation size.
Cc: Simon Trimmer <simont@opensource.cirrus.com>
Cc: Charles Keepax <ckeepax@opensource.cirrus.com>
Cc: Richard Fitzgerald <rf@opensource.cirrus.com>
Cc: patches@opensource.cirrus.com
Cc: stable@vger.kernel.org
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Link: https://patch.msgid.link/20250523102102.1177151-1-perex@perex.cz
Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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For IORING_URING_CMD_FIXED-less commands io_uring doesn't pull buf_index
from the sqe, so imports might succeed if the index coincide, e.g. when
it's 0, but otherwise it's error prone. Warn if someone tries to import
without the flag.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Anuj Gupta <anuj20.g@samsung.com>
Link: https://lore.kernel.org/r/a1c2c88e53c3fe96978f23d50c6bc66c2c79c337.1747991070.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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According to commit 8f6116b5b77b ("statmount: add a new supported_mask
field"), STATMOUNT_SUPPORTED macro shall be updated whenever a new flag
is added.
Fixes: 7a54947e727b ("Merge patch series "fs: allow changing idmappings"")
Signed-off-by: "Dmitry V. Levin" <ldv@strace.io>
Link: https://lore.kernel.org/20250511224953.GA17849@strace.io
Signed-off-by: Christian Brauner <brauner@kernel.org>
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In prior kernel versions (5.8-6.8), commit 9f6c61f96f2d9 ("proc/mounts:
add cursor") introduced MNT_CURSOR, a flag used by readers from
/proc/mounts to keep their place while reading the file. Later, commit
2eea9ce4310d8 ("mounts: keep list of mounts in an rbtree") removed this
flag and its value has since been repurposed.
For debuggers iterating over the list of mounts, cursors should be
skipped as they are irrelevant. Detecting whether an element is a cursor
can be difficult. Since the MNT_CURSOR flag is a preprocessor constant,
it's not present in debuginfo, and since its value is repurposed, we
cannot hard-code it. For this specific issue, cursors are possible to
detect in other ways, but ideally, we would be able to read the mount
flag definitions out of the debuginfo. For that reason, convert the
mount flags to an enum.
Link: https://github.com/osandov/drgn/pull/496
Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com>
Link: https://lore.kernel.org/20250507223402.2795029-1-stephen.s.brennan@oracle.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Not since 8f2918898eb5 "new helpers: vfs_create_mount(), fc_mount()"
back in 2018. Get rid of the dead checks...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/20250421033509.GV2023217@ZenIV
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Add some comments in there highlighting a few non-obvious assumptions.
Link: https://lore.kernel.org/20250416-zerknirschen-aluminium-14a55639076f@brauner
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Hashed work is serialized by io-wq, intended to be used for cases like
serializing buffered writes to a regular file, where the file system
will serialize the workers anyway with a mutex or similar. Since they
would be forcibly serialized and blocked, it's more efficient for io-wq
to handle these individually rather than issue them in parallel.
If a worker is currently handling a hashed work item and gets blocked,
don't create a new worker if the next work item is also hashed and
mapped to the same bucket. That new worker would not be able to make any
progress anyway.
Reported-by: Fengnan Chang <changfengnan@bytedance.com>
Reported-by: Diangang Li <lidiangang@bytedance.com>
Link: https://lore.kernel.org/io-uring/20250522090909.73212-1-changfengnan@bytedance.com/
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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When an io-wq worker goes to sleep, it checks if there's work to do.
If there is, it'll create a new worker. But if this worker is currently
idle, it'll either get woken right back up immediately, or someone
else has already created the necessary worker to handle this work.
Only go through the worker creation logic if the current worker is
currently handling a work item. That means it's being scheduled out as
part of handling that work, not just going to sleep on its own.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Just in preparation for using them higher up in the function, move
these generic helpers.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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If path->should_be_locked is true, that means user code (of the btree
API) has seen, in this transaction, something guarded by the node this
path has locked, and we have to keep it locked until the end of the
transaction.
Assert that we're not violating this; should_be_locked should also be
cleared only in _very_ special situations.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Simplify the "do we need to keep this locked?" checks.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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