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For GC v9.5.0 SOCs, both CPX and QPX compute modes are also supported in
NPS2 mode.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Mangesh Gadre <Mangesh.Gadre@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Support ras critical address check.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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One eeprom record may not map to unit number of bad pages, the accurate
bad page number is gotten after bad page address check.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Exclude invalid bad pages.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add command to check address validity and remove
unused command codes.
v2:
The command interface adds new parameters to support
multiple check address strategies.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The bad pages that need to be retired are not all allocated
in the same poison consumption process, so an interface is
needed to query the processes that allocate the bad pages.
By killing all the processes that allocate the bad pages,
the bad pages can be reserved immediately.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This version brings along following fixes:
- Fix divide by zero when calculating min ODM factor
- Ensure committing streams is seamless when transitioning between
topologies
- Fix condition for setting timing_adjust_pending
- Update DMUB tiled to tiled copy command
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update DMUB related command structure.
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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amdgpu_dm_backlight_get_level()
[Why]
amdgpu_dm_backlight_get_level() returns a boolean value but is assigned
to a variable named 'rc' which is generally used for return codes.
This can be confusing while looking at the code for other issues.
[How]
Drop the variable and just look directly at the return value of
amdgpu_dm_backlight_get_level() in the if statement.
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
When transitioning between topologies such as multi-display to single
display ODM 2:1, pipes might not be freed before use.
[How]
In dc_commit_streams, commit an additional, minimal transition if
original transition is not seamless to ensure pipes are freed.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Clay King <clayking@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commits:
commit 1f26214d268b ("drm/amd/display: Add HPO encoder support to Replay")
commit 3bfce48b109f ("drm/amd/display: Add support for Panel Replay on DP1 eDP (panel_inst=1)")
due to visual confirm issue.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Gabe Teeger <gabe.teeger@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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timing_adjust_pending is used to defer certain programming sequences
when OTG timing is about to be changed, like with VRR. Insufficient
checking for timing change in this case caused a regression which
reduces PSR Replay residency.
Reviewed-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why & How]
Tiled command rect dimensions is 1 based, do rect_x/y - 1 internally
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Ostrowski Rafal <rostrows@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This version brings along following fixes:
- Fixes for DCN401, DCN32
- Initial support of SmartMux
- Improvements for Replay, IPS, and IPS2
- Refactor of DSC
Reviewed-by: Martin Leung <martin.leung@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add new mode in struct ips_residency_mode
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update the client id mapping so the correct clients
get printed when there is a mmhub page fault.
Tested-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Reviewed-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull fallocate updates from Christian Brauner:
"fallocate() currently supports creating preallocated files
efficiently. However, on most filesystems fallocate() will preallocate
blocks in an unwriten state even if FALLOC_FL_ZERO_RANGE is specified.
The extent state must later be converted to a written state when the
user writes data into this range, which can trigger numerous metadata
changes and journal I/O. This may leads to significant write
amplification and performance degradation in synchronous write mode.
At the moment, the only method to avoid this is to create an empty
file and write zero data into it (for example, using 'dd' with a large
block size). However, this method is slow and consumes a considerable
amount of disk bandwidth.
Now that more and more flash-based storage devices are available it is
possible to efficiently write zeros to SSDs using the unmap write
zeroes command if the devices do not write physical zeroes to the
media.
For example, if SCSI SSDs support the UMMAP bit or NVMe SSDs support
the DEAC bit[1], the write zeroes command does not write actual data
to the device, instead, NVMe converts the zeroed range to a
deallocated state, which works fast and consumes almost no disk write
bandwidth.
This series implements the BLK_FEAT_WRITE_ZEROES_UNMAP feature and
BLK_FLAG_WRITE_ZEROES_UNMAP_DISABLED flag for SCSI, NVMe and
device-mapper drivers, and add the FALLOC_FL_WRITE_ZEROES and
STATX_ATTR_WRITE_ZEROES_UNMAP support for ext4 and raw bdev devices.
fallocate() is subsequently extended with the FALLOC_FL_WRITE_ZEROES
flag. FALLOC_FL_WRITE_ZEROES zeroes a specified file range in such a
way that subsequent writes to that range do not require further
changes to the file mapping metadata. This flag is beneficial for
subsequent pure overwriting within this range, as it can save on block
allocation and, consequently, significant metadata changes"
* tag 'vfs-6.17-rc1.fallocate' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
ext4: add FALLOC_FL_WRITE_ZEROES support
block: add FALLOC_FL_WRITE_ZEROES support
block: factor out common part in blkdev_fallocate()
fs: introduce FALLOC_FL_WRITE_ZEROES to fallocate
dm: clear unmap write zeroes limits when disabling write zeroes
scsi: sd: set max_hw_wzeroes_unmap_sectors if device supports SD_ZERO_*_UNMAP
nvmet: set WZDS and DRB if device enables unmap write zeroes operation
nvme: set max_hw_wzeroes_unmap_sectors if device supports DEAC bit
block: introduce max_{hw|user}_wzeroes_unmap_sectors to queue limits
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[Why & How]
Not letting DCN301 to clear after surface/stream update results
in artifacts when switching between active overlay planes. The issue
is known and has been solved initially. See below:
(https://gitlab.freedesktop.org/drm/amd/-/issues/3441)
Fixes: f354556e29f4 ("drm/amd/display: limit clear_update_flags t dcn32 and above")
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
If a GPU is in reset and the hardware fails to initialize the rest of the
resume sequence shouldn't be run.
[How]
Pass error code up to caller of dm_resume().
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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[Why]
If amdgpu_dm failed to initalize before amdgpu_dm_initialize_drm_device()
completed then freeing atomic_obj will lead to list corruption.
[How]
Check if atomic_obj state is initialized before trying to free.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
If PSR-SU is disabled on the link, then configuring su_y granularity in
mod_power_calc_psr_configs() can lead to assertions in
psr_su_set_dsc_slice_height().
[How]
Check the PSR version in amdgpu_dm_link_setup_psr() to determine whether
or not to configure granularity.
Reviewed-by: Sun peng (Leo) Li <sunpeng.li@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[Why]
"REG_WAIT timeout 1us * 1000 tries - dcn314_dsc_pg_control line"
warnings seen after resuming from s2idle.
DCN314 has issues with DSC power gating that cause REG_WAIT timeouts
when attempting to power down DSC blocks.
[How]
Disable dsc_power_gate for dcn314 by default.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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1. Add kicker firmwares loading for gfx12/smu14/psp14
2. Register additional MODULE_FIRMWARE entries for kicker fws
- gc_12_0_1_rlc_kicker.bin
- gc_12_0_1_imu_kicker.bin
- psp_14_0_3_sos_kicker.bin
- psp_14_0_3_ta_kicker.bin
- smu_14_0_3_kicker.bin
Signed-off-by: Frank Min <Frank.Min@amd.com>
Reviewed-by: Gui Chengming <Jack.Gui@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Add lock protection for 'ring->wptr'/'ring->rptr' to ensure the correct execution.
Fixes: 8652920d2c00 ("drm/amdgpu: add mutex lock for cper ring")
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Fix the comment style before cntl_stuck_hw_workaround() by replacing
'/**' with '/*' since it is not a kdoc comment.
Fixes the below with gcc W=1:
display/dc/dce/dce_i2c_hw.c:380: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* If we boot without an HDMI display, the I2C engine does not get
initialized
Fixes: 04d57f4462a6 ("drm/amd/display: Workaround for stuck I2C arbitrage")
Cc: Alvin Lee <alvin.lee2@amd.com>
Cc: Dominik Kaszewski <dominik.kaszewski@amd.com>
Cc: Ivan Lipski <ivan.lipski@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Alex Hung <alex.hung@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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DIV_ROUND_CLOSEST(x, 100) returns either 0 or 1 if 0<x<=100, so the
division needs to be performed after the multiplication and not the
other way around, to properly scale the value.
Fixes: 8b5f3a229a70 ("drm/amd/display: Fix default DC and AC levels")
Signed-off-by: Lauri Tirkkonen <lauri@hacktheplanet.fi>
Cc: stable@vger.kernel.org
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/aH2Q_HJvxKbW74vU@hacktheplanet.fi
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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If vm belongs to another process, this is fclose after fork,
wait may enable signaling KFD eviction fence and cause parent process queue evicted.
[677852.634569] amdkfd_fence_enable_signaling+0x56/0x70 [amdgpu]
[677852.634814] __dma_fence_enable_signaling+0x3e/0xe0
[677852.634820] dma_fence_wait_timeout+0x3a/0x140
[677852.634825] amddma_resv_wait_timeout+0x7f/0xf0 [amdkcl]
[677852.634831] amdgpu_vm_wait_idle+0x2d/0x60 [amdgpu]
[677852.635026] amdgpu_flush+0x34/0x50 [amdgpu]
[677852.635208] filp_flush+0x38/0x90
[677852.635213] filp_close+0x14/0x30
[677852.635216] do_close_on_exec+0xdd/0x130
[677852.635221] begin_new_exec+0x1da/0x490
[677852.635225] load_elf_binary+0x307/0xea0
[677852.635231] ? srso_alias_return_thunk+0x5/0xfbef5
[677852.635235] ? ima_bprm_check+0xa2/0xd0
[677852.635240] search_binary_handler+0xda/0x260
[677852.635245] exec_binprm+0x58/0x1a0
[677852.635249] bprm_execve.part.0+0x16f/0x210
[677852.635254] bprm_execve+0x45/0x80
[677852.635257] do_execveat_common.isra.0+0x190/0x200
Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Gang Ba <Gang.Ba@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Used to to set the MQD appropriately for each queue type.
Kernel queues have additional privileges.
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.16.x
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HUBBUB structure is not initialized on DCE hardware, so check if it is NULL
to avoid null dereference while accessing amdgpu_dm_capabilities file in
debugfs.
Signed-off-by: Peter Shkenev <mustela@erminea.space>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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After a recent change in clang to expose uninitialized warnings from
const variables and pointers [1], there is a warning in
imu_v12_0_program_rlc_ram() because data is passed uninitialized to
program_imu_rlc_ram():
drivers/gpu/drm/amd/amdgpu/imu_v12_0.c:374:30: error: variable 'data' is uninitialized when used here [-Werror,-Wuninitialized]
374 | program_imu_rlc_ram(adev, data, (const u32)size);
| ^~~~
As this warning happens early in clang's frontend, it does not realize
that due to the assignment of r to -EINVAL, program_imu_rlc_ram() is
never actually called, and even if it were, data would not be
dereferenced because size is 0.
Just initialize data to NULL to silence the warning, as the commit that
added program_imu_rlc_ram() mentioned it would eventually be used over
the old method, at which point data can be properly initialized and
used.
Cc: stable@vger.kernel.org
Closes: https://github.com/ClangBuiltLinux/linux/issues/2107
Fixes: 56159fffaab5 ("drm/amdgpu: use new method to program rlc ram")
Link: https://github.com/llvm/llvm-project/commit/2464313eef01c5b1edf0eccf57a32cdee01472c7 [1]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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[WHY&HOW]
If the debug option is set to disable_dsc the max slice width and/or
dispclk can be zero. This causes a divide by zero when calculating the
min ODM combine factor. Add a check to ensure they are valid first.
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull coredump updates from Christian Brauner:
"This contains an extension to the coredump socket and a proper rework
of the coredump code.
- This extends the coredump socket to allow the coredump server to
tell the kernel how to process individual coredumps. This allows
for fine-grained coredump management. Userspace can decide to just
let the kernel write out the coredump, or generate the coredump
itself, or just reject it.
* COREDUMP_KERNEL
The kernel will write the coredump data to the socket.
* COREDUMP_USERSPACE
The kernel will not write coredump data but will indicate to the
parent that a coredump has been generated. This is used when
userspace generates its own coredumps.
* COREDUMP_REJECT
The kernel will skip generating a coredump for this task.
* COREDUMP_WAIT
The kernel will prevent the task from exiting until the coredump
server has shutdown the socket connection.
The flexible coredump socket can be enabled by using the "@@"
prefix instead of the single "@" prefix for the regular coredump
socket:
@@/run/systemd/coredump.socket
- Cleanup the coredump code properly while we have to touch it
anyway.
Split out each coredump mode in a separate helper so it's easy to
grasp what is going on and make the code easier to follow. The core
coredump function should now be very trivial to follow"
* tag 'vfs-6.17-rc1.coredump' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (31 commits)
cleanup: add a scoped version of CLASS()
coredump: add coredump_skip() helper
coredump: avoid pointless variable
coredump: order auto cleanup variables at the top
coredump: add coredump_cleanup()
coredump: auto cleanup prepare_creds()
cred: add auto cleanup method
coredump: directly return
coredump: auto cleanup argv
coredump: add coredump_write()
coredump: use a single helper for the socket
coredump: move pipe specific file check into coredump_pipe()
coredump: split pipe coredumping into coredump_pipe()
coredump: move core_pipe_count to global variable
coredump: prepare to simplify exit paths
coredump: split file coredumping into coredump_file()
coredump: rename do_coredump() to vfs_coredump()
selftests/coredump: make sure invalid paths are rejected
coredump: validate socket path in coredump_parse()
coredump: don't allow ".." in coredump socket path
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull misc VFS updates from Christian Brauner:
"This contains the usual selections of misc updates for this cycle.
Features:
- Add ext4 IOCB_DONTCACHE support
This refactors the address_space_operations write_begin() and
write_end() callbacks to take const struct kiocb * as their first
argument, allowing IOCB flags such as IOCB_DONTCACHE to propagate
to the filesystem's buffered I/O path.
Ext4 is updated to implement handling of the IOCB_DONTCACHE flag
and advertises support via the FOP_DONTCACHE file operation flag.
Additionally, the i915 driver's shmem write paths are updated to
bypass the legacy write_begin/write_end interface in favor of
directly calling write_iter() with a constructed synchronous kiocb.
Another i915 change replaces a manual write loop with
kernel_write() during GEM shmem object creation.
Cleanups:
- don't duplicate vfs_open() in kernel_file_open()
- proc_fd_getattr(): don't bother with S_ISDIR() check
- fs/ecryptfs: replace snprintf with sysfs_emit in show function
- vfs: Remove unnecessary list_for_each_entry_safe() from
evict_inodes()
- filelock: add new locks_wake_up_waiter() helper
- fs: Remove three arguments from block_write_end()
- VFS: change old_dir and new_dir in struct renamedata to dentrys
- netfs: Remove unused declaration netfs_queue_write_request()
Fixes:
- eventpoll: Fix semi-unbounded recursion
- eventpoll: fix sphinx documentation build warning
- fs/read_write: Fix spelling typo
- fs: annotate data race between poll_schedule_timeout() and
pollwake()
- fs/pipe: set FMODE_NOWAIT in create_pipe_files()
- docs/vfs: update references to i_mutex to i_rwsem
- fs/buffer: remove comment about hard sectorsize
- fs/buffer: remove the min and max limit checks in __getblk_slow()
- fs/libfs: don't assume blocksize <= PAGE_SIZE in
generic_check_addressable
- fs_context: fix parameter name in infofc() macro
- fs: Prevent file descriptor table allocations exceeding INT_MAX"
* tag 'vfs-6.17-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (24 commits)
netfs: Remove unused declaration netfs_queue_write_request()
eventpoll: fix sphinx documentation build warning
ext4: support uncached buffered I/O
mm/pagemap: add write_begin_get_folio() helper function
fs: change write_begin/write_end interface to take struct kiocb *
drm/i915: Refactor shmem_pwrite() to use kiocb and write_iter
drm/i915: Use kernel_write() in shmem object create
eventpoll: Fix semi-unbounded recursion
vfs: Remove unnecessary list_for_each_entry_safe() from evict_inodes()
fs/libfs: don't assume blocksize <= PAGE_SIZE in generic_check_addressable
fs/buffer: remove the min and max limit checks in __getblk_slow()
fs: Prevent file descriptor table allocations exceeding INT_MAX
fs: Remove three arguments from block_write_end()
fs/ecryptfs: replace snprintf with sysfs_emit in show function
fs: annotate suspected data race between poll_schedule_timeout() and pollwake()
docs/vfs: update references to i_mutex to i_rwsem
fs/buffer: remove comment about hard sectorsize
fs_context: fix parameter name in infofc() macro
VFS: change old_dir and new_dir in struct renamedata to dentrys
proc_fd_getattr(): don't bother with S_ISDIR() check
...
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Pull vfs mount updates from Al Viro:
- mount hash conflicts rudiments are gone now - we do not allow
multiple mounts with the same parent/mountpoint to be hashed at the
same time.
- 'struct mount' changes:
- mnt_umounting is gone
- mnt_slave_list/mnt_slave is an hlist now
- overmounts are kept track of by explicit pointer in mount
- a bunch of flags moved out of mnt_flags to a new field, with
only namespace_sem for protection
- mnt_expiry is protected by mount_lock now (instead of
namespace_sem)
- MNT_LOCKED is used only for mounts that need to remain attached
to their parents to prevent mountpoint exposure - no more
overloading it for absolute roots
- all mnt_list uses are transient now - it's used only to
represent temporary sets during umount_tree()
- mount refcounting change: children no longer pin parents for any
mounts, whether they'd passed through umount_tree() or not
- 'struct mountpoint' changes:
- refcount is no more; what matters is ->m_list emptiness
- instead of temporary bumping the refcount, we insert a new
object (pinned_mountpoint) into ->m_list
- new calling conventions for lock_mount() and friends
- do_move_mount()/attach_recursive_mnt() seriously cleaned up
- globals in fs/pnode.c are gone
- propagate_mnt(), change_mnt_propagation() and propagate_umount()
cleaned up (in the last case - pretty much completely rewritten).
- freeing of emptied mnt_namespace is done in namespace_unlock(). For
one thing, there are subtle ordering requirements there; for another
it simplifies cleanups.
- assorted cleanups
- restore the machinery for long-term mounts from accumulated bitrot.
This is going to get a followup come next cycle, when the change of
vfs_fs_parse_string() calling conventions goes into -next
* tag 'pull-mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (48 commits)
statmount_mnt_basic(): simplify the logics for group id
invent_group_ids(): zero ->mnt_group_id always implies !IS_MNT_SHARED()
get rid of CL_SHARE_TO_SLAVE
take freeing of emptied mnt_namespace to namespace_unlock()
copy_tree(): don't link the mounts via mnt_list
change_mnt_propagation(): move ->mnt_master assignment into MS_SLAVE case
mnt_slave_list/mnt_slave: turn into hlist_head/hlist_node
turn do_make_slave() into transfer_propagation()
do_make_slave(): choose new master sanely
change_mnt_propagation(): do_make_slave() is a no-op unless IS_MNT_SHARED()
change_mnt_propagation() cleanups, step 1
propagate_mnt(): fix comment and convert to kernel-doc, while we are at it
propagate_mnt(): get rid of last_dest
fs/pnode.c: get rid of globals
propagate_one(): fold into the sole caller
propagate_one(): separate the "what should be the master for this copy" part
propagate_one(): separate the "do we need secondary here?" logics
propagate_mnt(): handle all peer groups in the same loop
propagate_one(): get rid of dest_master
mount: separate the flags accessed only under namespace_sem
...
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Pull CLASS(fd) update from Al Viro:
"A missing bit of commit 66635b077624 ("assorted variants of irqfd
setup: convert to CLASS(fd)") from a year ago.
mshv_eventfd would've been covered by that, but it had forked slightly
before that series and got merged into mainline later"
* tag 'pull-fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
mshv_eventfd: convert to CLASS(fd)
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Pull misc VFS updates from Al Viro:
"VFS-related cleanups in various places (mostly of the "that really
can't happen" or "there's a better way to do it" variety)"
* tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
gpib: use file_inode()
binder_ioctl_write_read(): simplify control flow a bit
secretmem: move setting O_LARGEFILE and bumping users' count to the place where we create the file
apparmor: file never has NULL f_path.mnt
landlock: opened file never has a negative dentry
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull securityfs updates from Al Viro:
"Securityfs cleanups and fixes:
- one extra reference is enough to pin a dentry down; no need for
two. Switch to regular scheme, similar to shmem, debugfs, etc. This
fixes a securityfs_recursive_remove() dentry leak, among other
things.
- we need to have the filesystem pinned to prevent the contents
disappearing; what we do not need is pinning it for each file.
Doing that only for files and directories in the root is enough.
- the previous two changes allow us to get rid of the racy kludges in
efi_secret_unlink(), where we can use simple_unlink() instead of
securityfs_remove(). Which does not require unlocking and relocking
the parent, with all deadlocks that invites.
- Make securityfs_remove() take the entire subtree out, turning
securityfs_recursive_remove() into its alias. Makes a lot more
sense for callers and fixes a mount leak, while we are at it.
- Making securityfs_remove() remove the entire subtree allows for
much simpler life in most of the users - efi_secret, ima_fs, evm,
ipe, tmp get cleaner. I hadn't touched apparmor use of securityfs,
but I suspect that it would be useful there as well"
* tag 'pull-securityfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
tpm: don't bother with removal of files in directory we'll be removing
ipe: don't bother with removal of files in directory we'll be removing
evm_secfs: clear securityfs interactions
ima_fs: get rid of lookup-by-dentry stuff
ima_fs: don't bother with removal of files in directory we'll be removing
efi_secret: clean securityfs use up
make securityfs_remove() remove the entire subtree
fix locking in efi_secret_unlink()
securityfs: pin filesystem only for objects directly in root
securityfs: don't pin dentries twice, once is enough...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull simple_recursive_removal() update from Al Viro:
"Removing subtrees of kernel filesystems is done in quite a few places;
unfortunately, it's easy to get wrong. A number of open-coded attempts
are out there, with varying amount of bogosities.
simple_recursive_removal() had been introduced for doing that with all
precautions needed; it does an equivalent of rm -rf, with sufficient
locking, eviction of anything mounted on top of the subtree, etc.
This series converts a bunch of open-coded instances to using that"
* tag 'pull-simple_recursive_removal' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
functionfs, gadgetfs: use simple_recursive_removal()
kill binderfs_remove_file()
fuse_ctl: use simple_recursive_removal()
pstore: switch to locked_recursive_removal()
binfmt_misc: switch to locked_recursive_removal()
spufs: switch to locked_recursive_removal()
add locked_recursive_removal()
better lockdep annotations for simple_recursive_removal()
simple_recursive_removal(): saner interaction with fsnotify
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It's more flexible to have a get_viommu_size op. Replace static vsmmu_size
and vsmmu_type with that.
Link: https://patch.msgid.link/r/20250724221002.1883034-3-nicolinc@nvidia.com
Suggested-by: Will Deacon <will@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Pranjal Shrivastava <praan@google.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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When viommu type is IOMMU_VIOMMU_TYPE_ARM_SMMUV3, always return or init the
standard struct arm_vsmmu, instead of going through impl_ops that must have
its own viommu type than the standard IOMMU_VIOMMU_TYPE_ARM_SMMUV3.
Given that arm_vsmmu_init() is called after arm_smmu_get_viommu_size(), any
unsupported viommu->type must be a corruption. And it must be a driver bug
that its vsmmu_size and vsmmu_init ops aren't paired. Warn these two cases.
Link: https://patch.msgid.link/r/20250724221002.1883034-2-nicolinc@nvidia.com
Suggested-by: Will Deacon <will@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Pranjal Shrivastava <praan@google.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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We are using pci_get_domain_bus_and_slot() function to verify if
the given config directory name matches any existing PCI device,
but we missed to call matching pci_dev_put() to release reference.
While around, also change error code in case of no device match,
to make it more specific than generic formatting error.
Fixes: 16280ded45fb ("drm/xe: Add configfs to enable survivability mode")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://lore.kernel.org/r/20250722141059.30707-2-michal.wajdeczko@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 0bdd05c2a82bbf2419415d012fd4f5faeca7f1af)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Memory allocated with drmm_kzalloc() should not be freed using
kfree(), as it is managed by the DRM subsystem. The memory will
be automatically freed when the associated drm_device is released.
These 3 group pointers are allocated using drmm_kzalloc() in
hw_engine_group_alloc(), so they don't require manual deallocation.
Fixes: 67979060740f ("drm/xe/hw_engine_group: Fix potential leak")
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://lore.kernel.org/r/20250724193854.1124510-2-shuicheng.lin@intel.com
(cherry picked from commit f98de826b418885a21ece67f0f5b921ae759b7bf)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The struct g2h_fence must be explicitly initializated using the
g2h_fence_init() function to avoid trash values in its members,
but we missed to update this helper function with the new member.
To fix that and avoid any future mistakes, memset the whole struct
first, then update remaining non-zero members.
Fixes: 94de94d24ea8 ("drm/xe/guc: Cancel ongoing H2G requests when stopping CT")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Lukasz Laguna <lukasz.laguna@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250723175639.206875-1-michal.wajdeczko@intel.com
(cherry picked from commit 159afd92bae8153bdd8d8b34aea0d463fe19c978)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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VF drivers can't access I2C devices, so skip their registration when
running as VF.
Signed-off-by: Lukasz Laguna <lukasz.laguna@intel.com>
Fixes: f0e53aadd702 ("drm/xe: Support for I2C attached MCUs")
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250717155420.25298-1-lukasz.laguna@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 9a220e065914b67b55d3d0ab91c3e215742fdd73)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Fix missing unwind goto on error handling.
Fixes: b2c4ac219fa4 ("drm/xe/uc: Disable GuC communication on hardware initialization error")
Signed-off-by: Zhanjun Dong <zhanjun.dong@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://lore.kernel.org/r/20250721214520.954014-1-zhanjun.dong@intel.com
(cherry picked from commit 176f44a5ec0b074aaf44852db77d0c183c36696d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The fwnode_create_software_node() function returns error pointers. It
never returns NULL. Update the checks to match.
Fixes: f0e53aadd702 ("drm/xe: Support for I2C attached MCUs")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/65825d00-81ab-4665-af51-4fff6786a250@sabinyo.mountain
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 2f264d58cc805a3cefc6b98097f90fbc388136ef)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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There is a static checker warning that gt returned by xe_device_get_gt can
be NULL and that is being dereferenced. Use xe_root_mmio_gt instead, which
is equivalent and cannot return a NULL gt 0.
Fixes: 10d42ef34bce ("drm/xe/oa: Assign hwe for OAM_SAG")
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://lore.kernel.org/r/20250715181422.2807624-1-ashutosh.dixit@intel.com
(cherry picked from commit 308dc9b27874d0e8a0258869b9e681b0fdd2e579)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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If the device is running older pcode firmware, it is possible that newer
mailbox commands are not supported by it. The sysfs attributes aren't
useful in that case, but we shouldn't fail driver probe because of it.
As of now, it is unknown if we can distinguish unsupported commands before
attempting them. But until we figure out a way to do that, fix the
regressions.
v2: Add debug message (Lucas)
Fixes: cdc36b66cd41 ("drm/xe: Expose fan control and voltage regulator version")
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Tested-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://lore.kernel.org/r/20250714215503.2897748-1-raag.jadav@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit ed5461daa150b037e36b8202381da1ef85d6b16b)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The assignment to ts is missing on the call to ktime_to_timespec64.
Fix this by adding the missing assignment.
Fixes: db6a94b26354 ("drm/vmwgfx: Implement dma_fence_ops properly")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Ian Forbes <ian.forbes@broadcom.com>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Link: https://lore.kernel.org/r/20250623223526.281398-1-colin.i.king@gmail.com
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The MediaTek implementation of the sbsa_gwdt watchdog has a race
condition where a write to SBSA_GWDT_WRR is ignored if it occurs while
the hardware is processing a timeout refresh that asserts WS0.
Detect this based on the hardware implementer and adjust
wdd->min_hw_heartbeat_ms to avoid the race by forcing the keepalive ping
to be one second later.
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Acked-by: Timur Tabi <ttabi@nvidia.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250721230640.2244915-1-aplattner@nvidia.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
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