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Export find_next_child() so it can be used by efivarfs.
Keep it internal for now. There's no reason to advertise this
kernel-wide.
Link: https://lore.kernel.org/r/20250331-work-freeze-v1-1-6dfbe8253b9f@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Christian Brauner <brauner@kernel.org> says:
Add the necessary infrastructure changes to support freezing for suspend
and hibernate. This should all that's needed to wire up power.
* patches from https://lore.kernel.org/r/20250329-work-freeze-v2-0-a47af37ecc3d@kernel.org:
super: add filesystem freezing helpers for suspend and hibernate
gfs2: pass through holder from the VFS for freeze/thaw
super: use common iterator (Part 2)
super: use a common iterator (Part 1)
super: skip dying superblocks early
super: simplify user_get_super()
super: remove pointless s_root checks
Link: https://lore.kernel.org/r/20250329-work-freeze-v2-0-a47af37ecc3d@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Allow the power subsystem to support filesystem freeze for
suspend and hibernate.
For some kernel subsystems it is paramount that they are guaranteed that
they are the owner of the freeze to avoid any risk of deadlocks. This is
the case for the power subsystem. Enable it to recognize whether it did
actually freeze the filesystem.
If userspace has 10 filesystems and suspend/hibernate manges to freeze 5
and then fails on the 6th for whatever odd reason (current or future)
then power needs to undo the freeze of the first 5 filesystems. It can't
just walk the list again because while it's unlikely that a new
filesystem got added in the meantime it still cannot tell which
filesystems the power subsystem actually managed to get a freeze
reference count on that needs to be dropped during thaw.
There's various ways out of this ugliness. For example, record the
filesystems the power subsystem managed to freeze on a temporary list in
the callbacks and then walk that list backwards during thaw to undo the
freezing or make sure that the power subsystem just actually exclusively
freezes things it can freeze and marking such filesystems as being owned
by power for the duration of the suspend or resume cycle. I opted for
the latter as that seemed the clean thing to do even if it means more
code changes.
If hibernation races with filesystem freezing (e.g. DM reconfiguration),
then hibernation need not freeze a filesystem because it's already
frozen but userspace may thaw the filesystem before hibernation actually
happens.
If the race happens the other way around, DM reconfiguration may
unexpectedly fail with EBUSY.
So allow FREEZE_EXCL to nest with other holders. An exclusive freezer
cannot be undone by any of the other concurrent freezers.
Link: https://lore.kernel.org/r/20250329-work-freeze-v2-6-a47af37ecc3d@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Stop using write_cache_pages and use writeback_iter directly. This
removes an indirect call per written folio and makes the code easier
to follow.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/20250507062124.3933305-1-hch@lst.de
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Brian Foster <bfoster@redhat.com> says:
Here's a bit more fallout and prep. work associated with the folio batch
prototype posted a while back [1]. Work on that is still pending so it
isn't included here, but based on the iter advance cleanups most of
these seemed worthwhile as standalone cleanups. Mainly this just cleans
up some of the helpers and pushes some pos/len trimming further down in
the write begin path.
The fbatch thing is still in prototype stage, but for context the intent
here is that it can mostly now just bolt onto the folio lookup path
because we can advance the range that is skipped and return the next
folio along with the folio subrange for the caller to process.
[1] https://lore.kernel.org/linux-fsdevel/20241213150528.1003662-1-bfoster@redhat.com/
* patches from https://lore.kernel.org/20250506134118.911396-1-bfoster@redhat.com:
iomap: rework iomap_write_begin() to return folio offset and length
iomap: push non-large folio check into get folio path
iomap: helper to trim pos/bytes to within folio
iomap: drop pos param from __iomap_[get|put]_folio()
iomap: drop unnecessary pos param from iomap_write_[begin|end]
iomap: resample iter->pos after iomap_write_begin() calls
Link: https://lore.kernel.org/20250506134118.911396-1-bfoster@redhat.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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iomap_write_begin() returns a folio based on current pos and
remaining length in the iter, and each caller then trims the
pos/length to the given folio. Clean this up a bit and let
iomap_write_begin() return the trimmed range along with the folio.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Link: https://lore.kernel.org/20250506134118.911396-7-bfoster@redhat.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The len param to __iomap_get_folio() is primarily a folio allocation
hint. iomap_write_begin() already trims its local len variable based
on the provided folio, so move the large folio support check closer
to folio lookup.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Link: https://lore.kernel.org/20250506134118.911396-6-bfoster@redhat.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Several buffered write based iteration callbacks duplicate logic to
trim the current pos and length to within the current folio. Factor
this into a helper to make it easier to relocate closer to folio
lookup.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Link: https://lore.kernel.org/20250506134118.911396-5-bfoster@redhat.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Both helpers take the iter and pos as parameters. All callers
effectively pass iter->pos, so drop the unnecessary pos parameter.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Link: https://lore.kernel.org/20250506134118.911396-4-bfoster@redhat.com
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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iomap_write_begin() and iomap_write_end() both take the iter and
iter->pos as parameters. Drop the unnecessary pos parameter and
sample iter->pos within each function.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Link: https://lore.kernel.org/20250506134118.911396-3-bfoster@redhat.com
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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In preparation for removing the pos parameter, push the local pos
assignment down after calls to iomap_write_begin().
Signed-off-by: Brian Foster <bfoster@redhat.com>
Link: https://lore.kernel.org/20250506134118.911396-2-bfoster@redhat.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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mark_buffer_write_io_error sets sb->s_wb_err to -EIO twice.
Once in mapping_set_error and once in errseq_set.
Only mapping_set_error checks if bh->b_assoc_map->host is NULL.
Discovered during null pointer dereference during writeback
to a failing device:
[<ffffffff9a416dc8>] ? mark_buffer_write_io_error+0x98/0xc0
[<ffffffff9a416dbe>] ? mark_buffer_write_io_error+0x8e/0xc0
[<ffffffff9ad4bda0>] end_buffer_async_write+0x90/0xd0
[<ffffffff9ad4e3eb>] end_bio_bh_io_sync+0x2b/0x40
[<ffffffff9adbafe6>] blk_update_request+0x1b6/0x480
[<ffffffff9adbb3d8>] blk_mq_end_request+0x18/0x30
[<ffffffff9adbc6aa>] blk_mq_dispatch_rq_list+0x4da/0x8e0
[<ffffffff9adc0a68>] __blk_mq_sched_dispatch_requests+0x218/0x6a0
[<ffffffff9adc07fa>] blk_mq_sched_dispatch_requests+0x3a/0x80
[<ffffffff9adbbb98>] blk_mq_run_hw_queue+0x108/0x330
[<ffffffff9adbcf58>] blk_mq_flush_plug_list+0x178/0x5f0
[<ffffffff9adb6741>] __blk_flush_plug+0x41/0x120
[<ffffffff9adb6852>] blk_finish_plug+0x22/0x40
[<ffffffff9ad47cb0>] wb_writeback+0x150/0x280
[<ffffffff9ac5343f>] ? set_worker_desc+0x9f/0xc0
[<ffffffff9ad4676e>] wb_workfn+0x24e/0x4a0
Fixes: 485e9605c0573 ("fs/buffer.c: record blockdev write errors in super_block that it backs")
Signed-off-by: Jeremy Bongio <jbongio@google.com>
Link: https://lore.kernel.org/20250507123010.1228243-1-jbongio@google.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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When running in nominal drive mode, the maximum allowed frequency for
the NoC is 800MHz, but the OPP table for the i.MX8MP interconnect device
listed the 1GHz operating point for the NoC, regardless of the active
mode.
The newly introduced imx8mp-nominal.dtsi header reconfigures the clock
controller to observe nominal drive mode limits, so have it modify the
maximum NoC OPP as well.
Fixes: 255fbd9eabe7 ("arm64: dts: imx8mp: Add optional nominal drive mode DTSI")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The partial matching of DAI widget to link names, can cause problems if
one of the widget names is a substring of another. E.g. with names
"Foo1" and Foo10", it's not possible to correctly link up "Foo1".
Modify the logic so that if multiple DAI links match the widget stream
name, prioritize a full match if one is found.
Fixes: fe88788779fc ("ASoC: SOF: topology: Use partial match for connecting DAI link and DAI widget")
Link: https://github.com/thesofproject/linux/issues/5308
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://patch.msgid.link/20250509085318.13936-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Keep using the PIO mode for commands on ACE2+ platforms, similarly how
the legacy stack is configured.
Fixes: 05cf17f1bf6d ("ASoC: SOF: Intel: hda-bus: Use PIO mode for Lunar Lake")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250509081308.13784-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The firmware does not provide any information for capture streams via the
shared pipeline registers.
To avoid reporting invalid delay value for capture streams to user space
we need to disable it.
Fixes: af74dbd0dbcf ("ASoC: SOF: ipc4-pcm: allocate time info for pcm delay feature")
Cc: stable@vger.kernel.org
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Link: https://patch.msgid.link/20250509085951.15696-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The header.numid is set to scontrol->comp_id in bytes_ext_get and it is
ignored during bytes_ext_put.
The use of comp_id is not quite great as it is kernel internal
identification number.
Set the header.numid to SOF_CTRL_CMD_BINARY during get and validate the
numid during put to provide consistent and compatible identification
number as IPC3.
For IPC4 existing tooling also ignored the numid but with the use of
SOF_CTRL_CMD_BINARY the different handling of the blobs can be dropped,
providing better user experience.
Reported-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Closes: https://github.com/thesofproject/linux/issues/5282
Fixes: a062c8899fed ("ASoC: SOF: ipc4-control: Add support for bytes control get and put")
Cc: stable@vger.kernel.org
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Link: https://patch.msgid.link/20250509085633.14930-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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kvasprintf() failure is often caused by memory allocation which has error
code -ENOMEM, but config_item_set_name() returns -EFAULT for the failure.
Fix by returning -ENOMEM instead of -EFAULT for the failure.
Reviewed-by: Joel Becker <jlbec@evilplan.org>
Reviewed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20250507-fix_configfs-v3-3-fe2d96de8dc4@quicinc.com
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
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populate_attrs() may override failure for creating attribute files
by success for creating subsequent bin attribute files, and have
wrong return value.
Fix by creating bin attribute files under successfully creating
attribute files.
Fixes: 03607ace807b ("configfs: implement binary attributes")
Cc: stable@vger.kernel.org
Reviewed-by: Joel Becker <jlbec@evilplan.org>
Reviewed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20250507-fix_configfs-v3-2-fe2d96de8dc4@quicinc.com
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
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Macro type_print() definition ends with semicolon, so will cause
the subsequent macro invocations end with two semicolons.
Fix by deleting the semicolon from the macro definition.
Reviewed-by: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20250507-fix_configfs-v3-1-fe2d96de8dc4@quicinc.com
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
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Determining the SST/MST mode during state computation must be done based
on the output type stored in the CRTC state, which in turn is set once
based on the modeset connector's SST vs. MST type and will not change as
long as the connector is using the CRTC. OTOH the MST mode indicated by
the given connector's intel_dp::is_mst flag can change independently of
the above output type, based on what sink is at any moment plugged to
the connector.
Fix the state computation accordingly.
Cc: Jani Nikula <jani.nikula@intel.com>
Fixes: f6971d7427c2 ("drm/i915/mst: adapt intel_dp_mtp_tu_compute_config() for 128b/132b SST")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4607
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250507151953.251846-1-imre.deak@intel.com
(cherry picked from commit 0f45696ddb2b901fbf15cb8d2e89767be481d59f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux into atomic_writes
large atomic writes for xfs [v12.1]
Currently atomic write support for xfs is limited to writing a single
block as we have no way to guarantee alignment and that the write covers
a single extent.
This series introduces a method to issue atomic writes via a
software-based method.
The software-based method is used as a fallback for when attempting to
issue an atomic write over misaligned or multiple extents.
For xfs, this support is based on reflink CoW support.
The basic idea of this CoW method is to alloc a range in the CoW fork,
write the data, and atomically update the mapping.
Initial mysql performance testing has shown this method to perform ok.
However, there we are only using 16K atomic writes (and 4K block size),
so typically - and thankfully - this software fallback method won't be
used often.
For other FSes which want large atomics writes and don't support CoW, I
think that they can follow the example in [0].
Catherine is currently working on further xfstests for this feature,
which we hope to share soon.
About 17/17, maybe it can be omitted as there is no strong demand to have
it included.
Based on bfecc4091e07 (xfs/next-rc, xfs/for-next) xfs: allow ro mounts
if rtdev or logdev are read-only
[0] https://lore.kernel.org/linux-xfs/20250102140411.14617-1-john.g.garry@oracle.com/
Differences to v12:
- add more review tags
Differences to v11:
- split "xfs: ignore ..." patch
- inline sync_blockdev() in xfs_alloc_buftarg() (Christoph)
- fix xfs_calc_rtgroup_awu_max() for 0 block count (Darrick)
- Add RB tag from Christoph (thanks!)
Differences to v10:
- add "xfs: only call xfs_setsize_buftarg once ..." by Darrick
- symbol renames in "xfs: ignore HW which cannot..." by Darrick
Differences to v9:
- rework "ignore HW which cannot .." patch by Darrick
- Ensure power-of-2 max always for unit min/max when no HW support
With a bit of luck, this should all go splendidly.
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
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When increasing the array size in memblock_double_array() and the slab
is not yet available, a call to memblock_find_in_range() is used to
reserve/allocate memory. However, the range returned may not have been
accepted, which can result in a crash when booting an SNP guest:
RIP: 0010:memcpy_orig+0x68/0x130
Code: ...
RSP: 0000:ffffffff9cc03ce8 EFLAGS: 00010006
RAX: ff11001ff83e5000 RBX: 0000000000000000 RCX: fffffffffffff000
RDX: 0000000000000bc0 RSI: ffffffff9dba8860 RDI: ff11001ff83e5c00
RBP: 0000000000002000 R08: 0000000000000000 R09: 0000000000002000
R10: 000000207fffe000 R11: 0000040000000000 R12: ffffffff9d06ef78
R13: ff11001ff83e5000 R14: ffffffff9dba7c60 R15: 0000000000000c00
memblock_double_array+0xff/0x310
memblock_add_range+0x1fb/0x2f0
memblock_reserve+0x4f/0xa0
memblock_alloc_range_nid+0xac/0x130
memblock_alloc_internal+0x53/0xc0
memblock_alloc_try_nid+0x3d/0xa0
swiotlb_init_remap+0x149/0x2f0
mem_init+0xb/0xb0
mm_core_init+0x8f/0x350
start_kernel+0x17e/0x5d0
x86_64_start_reservations+0x14/0x30
x86_64_start_kernel+0x92/0xa0
secondary_startup_64_no_verify+0x194/0x19b
Mitigate this by calling accept_memory() on the memory range returned
before the slab is available.
Prior to v6.12, the accept_memory() interface used a 'start' and 'end'
parameter instead of 'start' and 'size', therefore the accept_memory()
call must be adjusted to specify 'start + size' for 'end' when applying
to kernels prior to v6.12.
Cc: stable@vger.kernel.org # see patch description, needs adjustments for <= 6.11
Fixes: dcdfdd40fa82 ("mm: Add support for unaccepted memory")
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/da1ac73bf4ded761e21b4e4bb5178382a580cd73.1746725050.git.thomas.lendacky@amd.com
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
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After a recent change [1] in clang's randstruct implementation to
randomize structures that only contain function pointers, there is an
error because qede_ll_ops get randomized but does not use a designated
initializer for the first member:
drivers/net/ethernet/qlogic/qede/qede_main.c:206:2: error: a randomized struct can only be initialized with a designated initializer
206 | {
| ^
Explicitly initialize the common member using a designated initializer
to fix the build.
Cc: stable@vger.kernel.org
Fixes: 035f7f87b729 ("randstruct: Enable Clang support")
Link: https://github.com/llvm/llvm-project/commit/04364fb888eea6db9811510607bed4b200bcb082 [1]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20250507-qede-fix-clang-randstruct-v1-1-5ccc15626fba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- MGMT: Fix MGMT_OP_ADD_DEVICE invalid device flags
- hci_event: Fix not using key encryption size when its known
* tag 'for-net-2025-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: hci_event: Fix not using key encryption size when its known
Bluetooth: MGMT: Fix MGMT_OP_ADD_DEVICE invalid device flags
====================
Link: https://patch.msgid.link/20250508150927.385675-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.15-2025-05-08:
amdgpu:
- DC FP fixes
- Freesync fix
- DMUB AUX fixes
- VCN fix
- Hibernation fixes
- HDP fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250508194102.3242372-1-alexander.deucher@amd.com
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Short summary of fixes pull:
drm:
- Fix overflow when generating wedged event
ivpu:
- Increate timeouts
- Fix deadlock in cmdq ioctl
- Unlock mutices in correct order
panel:
- simple: Fix timings for AUO G101EVN010
ttm:
- Fix documentation
- Remove struct ttm_backup
v3d:
- Avoid memory leak in job handling
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250508104939.GA76697@2a02-2454-fd5e-fd00-c110-cbf2-6528-c5be.dyn6.pyur.net
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Pull bcachefs fixes from Kent Overstreet:
- Some fixes to help with filesystem analysis: ensure superblock
error count gets written if we go ERO, don't discard the journal
aggressively (so it's available for list_journal -a)
- Fix lost wakeup on arm causing us to get stuck when reading btree
nodes
- Fix fsck failing to exit on ctrl-c
- An additional fix for filesystems with misaligned bucket sizes: we
now ensure that allocations are properly aligned
- Setting background target but not promote target will now leave that
data cached on the foreground target, as it used to
- Revert a change to when we allocate the VFS superblock, this was done
for implementing blk_holder_ops but ended up not being needed, and
allocating a superblock and not setting SB_BORN while we do recovery
caused sync() calls and other things to hang
- Assorted fixes for harmless error messages that caused concern to
users
* tag 'bcachefs-2025-05-08' of git://evilpiepirate.org/bcachefs:
bcachefs: Don't aggressively discard the journal
bcachefs: Ensure superblock gets written when we go ERO
bcachefs: Filter out harmless EROFS error messages
bcachefs: journal_shutdown is EROFS, not EIO
bcachefs: Call bch2_fs_start before getting vfs superblock
bcachefs: fix hung task timeout in journal read
bcachefs: Add missing barriers before wake_up_bit()
bcachefs: Ensure proper write alignment
bcachefs: Improve want_cached_ptr()
bcachefs: thread_with_stdio: fix spinning instead of exiting
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in probe()
With UBSAN enabled, we're getting the following trace:
UBSAN: array-index-out-of-bounds in .../drivers/clk/clk-s2mps11.c:186:3
index 0 is out of range for type 'struct clk_hw *[] __counted_by(num)' (aka 'struct clk_hw *[]')
This is because commit f316cdff8d67 ("clk: Annotate struct
clk_hw_onecell_data with __counted_by") annotated the hws member of
that struct with __counted_by, which informs the bounds sanitizer about
the number of elements in hws, so that it can warn when hws is accessed
out of bounds.
As noted in that change, the __counted_by member must be initialised
with the number of elements before the first array access happens,
otherwise there will be a warning from each access prior to the
initialisation because the number of elements is zero. This occurs in
s2mps11_clk_probe() due to ::num being assigned after ::hws access.
Move the assignment to satisfy the requirement of assign-before-access.
Cc: stable@vger.kernel.org
Fixes: f316cdff8d67 ("clk: Annotate struct clk_hw_onecell_data with __counted_by")
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20250326-s2mps11-ubsan-v1-1-fcc6fce5c8a9@linaro.org
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
|
|
Without CONFIG_DRM_XE_GPUSVM set, GPU SVM is not initialized thus below
warning pops. Refine the flush work code to be controlled by the config
to avoid below warning:
"
[ 453.132028] ------------[ cut here ]------------
[ 453.132527] WARNING: CPU: 9 PID: 4491 at kernel/workqueue.c:4205 __flush_work+0x379/0x3a0
[ 453.133355] Modules linked in: xe drm_ttm_helper ttm gpu_sched drm_buddy drm_suballoc_helper drm_gpuvm drm_exec
[ 453.134352] CPU: 9 UID: 0 PID: 4491 Comm: xe_exec_mix_mod Tainted: G U W 6.15.0-rc3+ #7 PREEMPT(full)
[ 453.135405] Tainted: [U]=USER, [W]=WARN
...
[ 453.136921] RIP: 0010:__flush_work+0x379/0x3a0
[ 453.137417] Code: 8b 45 00 48 8b 55 08 89 c7 48 c1 e8 04 83 e7 08 83 e0 0f 83 cf 02 89 c6 48 0f ba 6d 00 03 e9 d5 fe ff ff 0f 0b e9 db fd ff ff <0f> 0b 45 31 e4 e9 d1 fd ff ff 0f 0b e9 03 ff ff ff 0f 0b e9 d6 fe
[ 453.139250] RSP: 0018:ffffc90000c67b18 EFLAGS: 00010246
[ 453.139782] RAX: 0000000000000000 RBX: ffff888108a24000 RCX: 0000000000002000
[ 453.140521] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8881016d61c8
[ 453.141253] RBP: ffff8881016d61c8 R08: 0000000000000000 R09: 0000000000000000
[ 453.141985] R10: 0000000000000000 R11: 0000000008a24000 R12: 0000000000000001
[ 453.142709] R13: 0000000000000002 R14: 0000000000000000 R15: ffff888107db8c00
[ 453.143450] FS: 00007f44853d4c80(0000) GS:ffff8882f469b000(0000) knlGS:0000000000000000
[ 453.144276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 453.144853] CR2: 00007f4487629228 CR3: 00000001016aa000 CR4: 00000000000406f0
[ 453.145594] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 453.146320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 453.147061] Call Trace:
[ 453.147336] <TASK>
[ 453.147579] ? tick_nohz_tick_stopped+0xd/0x30
[ 453.148067] ? xas_load+0x9/0xb0
[ 453.148435] ? xa_load+0x6f/0xb0
[ 453.148781] __xe_vm_bind_ioctl+0xbd5/0x1500 [xe]
[ 453.149338] ? dev_printk_emit+0x48/0x70
[ 453.149762] ? _dev_printk+0x57/0x80
[ 453.150148] ? drm_ioctl+0x17c/0x440
[ 453.150544] ? __drm_dev_vprintk+0x36/0x90
[ 453.150983] ? __pfx_xe_vm_bind_ioctl+0x10/0x10 [xe]
[ 453.151575] ? drm_ioctl_kernel+0x9f/0xf0
[ 453.151998] ? __pfx_xe_vm_bind_ioctl+0x10/0x10 [xe]
[ 453.152560] drm_ioctl_kernel+0x9f/0xf0
[ 453.152968] drm_ioctl+0x20f/0x440
[ 453.153332] ? __pfx_xe_vm_bind_ioctl+0x10/0x10 [xe]
[ 453.153893] ? ioctl_has_perm.constprop.0.isra.0+0xae/0x100
[ 453.154489] ? memory_bm_test_bit+0x5/0x60
[ 453.154935] xe_drm_ioctl+0x47/0x70 [xe]
[ 453.155419] __x64_sys_ioctl+0x8d/0xc0
[ 453.155824] do_syscall_64+0x47/0x110
[ 453.156228] entry_SYSCALL_64_after_hwframe+0x76/0x7e
"
v2 (Matt):
refine commit message to have more details
add Fixes tag
move the code to xe_svm.h which already have the config
remove a blank line per codestyle suggestion
Fixes: 63f6e480d115 ("drm/xe: Add SVM garbage collector")
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: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250502170052.1787973-1-shuicheng.lin@intel.com
(cherry picked from commit 9d80698bcd97a5ad1088bcbb055e73fd068895e2)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
|
|
While an event tears down all links to it as an aux, the iteration
happens on the event's group leader instead of the group itself.
If the event is a group leader, it has no effect because the event is
also its own group leader. But otherwise there would be a risk to detach
all the siblings events from the wrong group leader.
It just happens to work because each sibling's aux link is tested
against the right event before proceeding. Also the ctx lock is the same
for the events and their group leader so the iteration is safe.
Yet the iteration is confusing. Clarify the actual intent.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250424161128.29176-5-frederic@kernel.org
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The CPU hotplug handlers are called twice: at prepare and online stage.
Their role is to:
1) Enable/disable a CPU context. This is irrelevant and even buggy at
the prepare stage because the CPU is still offline. On early
secondary CPU up, creating an event attached to that CPU might
silently fail because the CPU context is observed as online but the
context installation's IPI failure is ignored.
2) Update the scope cpumasks and re-migrate the events accordingly in
the CPU down case. This is irrelevant at the prepare stage.
3) Remove the events attached to the context of the offlining CPU. It
even uses an (unnecessary) IPI for it. This is also irrelevant at the
prepare stage.
Also none of the *_PREPARE and *_STARTING architecture perf related CPU
hotplug callbacks rely on CPUHP_PERF_PREPARE.
CPUHP_AP_PERF_ONLINE is enough and the right place to perform the work.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250424161128.29176-4-frederic@kernel.org
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The following commit:
da916e96e2de ("perf: Make perf_pmu_unregister() useable")
has introduced two significant event's parent lifecycle changes:
1) An event that has exited now has EVENT_TOMBSTONE as a parent.
This can result in a situation where the delayed wakeup irq_work can
accidentally dereference EVENT_TOMBSTONE on:
CPU 0 CPU 1
----- -----
__schedule()
local_irq_disable()
rq_lock()
<NMI>
perf_event_overflow()
irq_work_queue(&child->pending_irq)
</NMI>
perf_event_task_sched_out()
raw_spin_lock(&ctx->lock)
ctx_sched_out()
ctx->is_active = 0
event_sched_out(child)
raw_spin_unlock(&ctx->lock)
perf_event_release_kernel(parent)
perf_remove_from_context(child)
raw_spin_lock_irq(&ctx->lock)
// Sees !ctx->is_active
// Removes from context inline
__perf_remove_from_context(child)
perf_child_detach(child)
event->parent = EVENT_TOMBSTONE
raw_spin_rq_unlock_irq(rq);
<IRQ>
perf_pending_irq()
perf_event_wakeup(child)
ring_buffer_wakeup(child)
rcu_dereference(child->parent->rb) <--- CRASH
This also concerns the call to kill_fasync() on parent->fasync.
2) The final parent reference count decrement can now happen before the
the final child reference count decrement. ie: the parent can now
be freed before its child. On PREEMPT_RT, this can result in a
situation where the delayed wakeup irq_work can accidentally
dereference a freed parent:
CPU 0 CPU 1 CPU 2
----- ----- ------
perf_pmu_unregister()
pmu_detach_events()
pmu_get_event()
atomic_long_inc_not_zero(&child->refcount)
<NMI>
perf_event_overflow()
irq_work_queue(&child->pending_irq);
</NMI>
<IRQ>
irq_work_run()
wake_irq_workd()
</IRQ>
preempt_schedule_irq()
=========> SWITCH to workd
irq_work_run_list()
perf_pending_irq()
perf_event_wakeup(child)
ring_buffer_wakeup(child)
event = child->parent
perf_event_release_kernel(parent)
// Not last ref, PMU holds it
put_event(child)
// Last ref
put_event(parent)
free_event()
call_rcu(...)
rcu_core()
free_event_rcu()
rcu_dereference(event->rb) <--- CRASH
This also concerns the call to kill_fasync() on parent->fasync.
The "easy" solution to 1) is to check that event->parent is not
EVENT_TOMBSTONE on perf_event_wakeup() (including both ring buffer
and fasync uses).
The "easy" solution to 2) is to turn perf_event_wakeup() to wholefully
run under rcu_read_lock().
However because of 2), sanity would prescribe to make event::parent
an __rcu pointer and annotate each and every users to prove they are
reliable.
Propose an alternate solution and restore the stable pointer to the
parent until all its children have called _free_event() themselves to
avoid any further accident. Also revert the EVENT_TOMBSTONE design
that is mostly here to determine which caller of perf_event_exit_event()
must perform the refcount decrement on a child event matching the
increment in inherit_event().
Arrange instead for checking the attach state of an event prior to its
removal and decrement the refcount of the child accordingly.
Fixes: da916e96e2de ("perf: Make perf_pmu_unregister() useable")
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
|
|
When inherit_event() fails after the child allocation but before the
parent refcount has been incremented, calling put_event() wrongly
decrements the reference to the parent, risking to free it too early.
Also pmu_get_event() can't be holding a reference to the child
concurrently at this point since it is under pmus_srcu critical section.
Fix it with restoring the deleted free_event() function and call it on
the failing child in order to free it directly under the verified
assumption that its refcount is only 1. The refcount to the parent is
then voluntarily omitted.
Fixes: da916e96e2de ("perf: Make perf_pmu_unregister() useable")
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250424161128.29176-2-frederic@kernel.org
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xe_force_wake_get() is dependent on xe_pm_runtime_get(), so for
the release path, xe_force_wake_put() should be called first then
xe_pm_runtime_put().
Combine the error path and normal path together with goto.
Fixes: 85d547608ef5 ("drm/xe/xe_gt_debugfs: Update handling of xe_force_wake_get return")
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://lore.kernel.org/r/20250507022302.2187527-1-shuicheng.lin@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 432cd94efdca06296cc5e76d673546f58aa90ee1)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
|
|
The workqueue used for the reset worker is marked as WQ_MEM_RECLAIM,
while the GSC one isn't (and can't be as we need to do memory
allocations in the gsc worker). Therefore, we can't flush the latter
from the former.
The reason why we had such a flush was to avoid interrupting either
the GSC FW load or in progress GSC proxy operations. GSC proxy
operations fall into 2 categories:
1) GSC proxy init: this only happens once immediately after GSC FW load
and does not support being interrupted. The only way to recover from
an interruption of the proxy init is to do an FLR and re-load the GSC.
2) GSC proxy request: this can happen in response to a request that
the driver sends to the GSC. If this is interrupted, the GSC FW will
timeout and the driver request will be failed, but overall the GSC
will keep working fine.
Flushing the work allowed us to avoid interruption in both cases (unless
the hang came from the GSC engine itself, in which case we're toast
anyway). However, a failure on a proxy request is tolerable if we're in
a scenario where we're triggering a GT reset (i.e., something is already
gone pretty wrong), so what we really need to avoid is interrupting
the init flow, which we can do by polling on the register that reports
when the proxy init is complete (as that ensure us that all the load and
init operations have been completed).
Note that during suspend we still want to do a flush of the worker to
make sure it completes any operations involving the HW before the power
is cut.
v2: fix spelling in commit msg, rename waiter function (Julia)
Fixes: dd0e89e5edc2 ("drm/xe/gsc: GSC FW load")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4830
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Alan Previn <alan.previn.teres.alexis@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Julia Filipchuk <julia.filipchuk@intel.com>
Link: https://lore.kernel.org/r/20250502155104.2201469-1-daniele.ceraolospurio@intel.com
(cherry picked from commit 12370bfcc4f0bdf70279ec5b570eb298963422b5)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
|
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LNCF registers report wrong values when XE_FORCEWAKE_GT
only is held. Holding XE_FORCEWAKE_ALL ensures correct
operations on LNCF regs.
V2(Himal):
- Use xe_force_wake_ref_has_domain
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1999
Fixes: a6a4ea6d7d37 ("drm/xe: Add mocs kunit")
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250428082357.1730068-1-tejas.upadhyay@intel.com
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
(cherry picked from commit 70a2585e582058e94fe4381a337be42dec800337)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
|
|
For an unknown reason the math to determine the PF queue size does is
not correct - compute UMD applications are overflowing the PF queue
which is fatal. A multippier of 8 fixes the problem.
Fixes: 3338e4f90c14 ("drm/xe: Use topology to determine page fault queue size")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Jagmeet Randhawa <jagmeet.randhawa@intel.com>
Link: https://lore.kernel.org/r/20250408155915.78770-1-matthew.brost@intel.com
(cherry picked from commit 29582e0ea75c95668d168b12406e3c56cf5a73c4)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
|
|
Pull vfio fix from Alex Williamson:
- Fix an issue in vfio-pci huge_fault handling by aligning faults to
the order, resulting in deterministic use of huge pages. This
avoids a race where simultaneous aligned and unaligned faults to
the same PMD can result in a VM_FAULT_OOM and subsequent VM crash.
(Alex Williamson)
* tag 'vfio-v6.15-rc6' of https://github.com/awilliam/linux-vfio:
vfio/pci: Align huge faults to order
|
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Since commit 2070887fdeac ("futex: fix restart in wait_requeue_pi"),
futex_wait_requeue_pi() no longer uses restart_block. Update the comment
accordingly.
Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250428193445.4571-1-namcao@linutronix.de
|
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The original PPTT code had a bug where the processor subtable length
was not correctly validated when encountering a truncated
acpi_pptt_processor node.
Commit 7ab4f0e37a0f4 ("ACPI PPTT: Fix coding mistakes in a couple of
sizeof() calls") attempted to fix this by validating the size is as
large as the acpi_pptt_processor node structure. This introduced a
regression where the last processor node in the PPTT table is ignored
if it doesn't contain any private resources. That results errors like:
ACPI PPTT: PPTT table found, but unable to locate core XX (XX)
ACPI: SPE must be homogeneous
Furthermore, it fails in a common case where the node length isn't
equal to the acpi_pptt_processor structure size, leaving the original
bug in a modified form.
Correct the regression by adjusting the loop termination conditions as
suggested by the bug reporters. An additional check performed after
the subtable node type is detected, validates the acpi_pptt_processor
node is fully contained in the PPTT table. Repeating the check in
acpi_pptt_leaf_node() is largely redundant as the node is already
known to be fully contained in the table.
The case where a final truncated node's parent property is accepted,
but the node itself is rejected should not be considered a bug.
Fixes: 7ab4f0e37a0f4 ("ACPI PPTT: Fix coding mistakes in a couple of sizeof() calls")
Reported-by: Maximilian Heyne <mheyne@amazon.de>
Closes: https://lore.kernel.org/linux-acpi/20250506-draco-taped-15f475cd@mheyne-amazon/
Reported-by: Yicong Yang <yangyicong@hisilicon.com>
Closes: https://lore.kernel.org/linux-acpi/20250507035124.28071-1-yangyicong@huawei.com/
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Tested-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Maximilian Heyne <mheyne@amazon.de>
Cc: All applicable <stable@vger.kernel.org> # 7ab4f0e37a0f4: ACPI PPTT: Fix coding mistakes ...
Link: https://patch.msgid.link/20250508023025.1301030-1-jeremy.linton@arm.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/alexghiti/linux into fixes
riscv fixes for 6.15-rc6
- A fix to handle compressed halfword load/store instructions misaligned accesses
- A fix to allow user memory access while handling a misaligned access
- 2 fixes to return an error if the pointer masking extension is not implemented on the platform but userspace still tries to access it, which caused oops on some early platforms
- A fix to prevent the stripping of .rela.dyn so that a vmlinux loaded by kexec can successfully boot
* tag 'riscv-fixes-6.15-rc6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/alexghiti/linux:
riscv: Disallow PR_GET_TAGGED_ADDR_CTRL without Supm
scripts: Do not strip .rela.dyn section
riscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL
riscv: misaligned: use get_user() instead of __get_user()
riscv: misaligned: enable IRQs while handling misaligned accesses
riscv: misaligned: factorize trap handling
riscv: misaligned: Add handling for ZCB instructions
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Reading back the remapped HDP flush register seems to cause
problems on some platforms. All we need is a read, so read back
the memcfg register.
Fixes: 689275140cb8 ("drm/amdgpu/hdp7.0: do a posting read when flushing HDP")
Reported-by: Alexey Klimov <alexey.klimov@linaro.org>
Link: https://lists.freedesktop.org/archives/amd-gfx/2025-April/123150.html
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4119
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3908
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit dbc064adfcf9095e7d895bea87b2f75c1ab23236)
Cc: stable@vger.kernel.org
|
|
Reading back the remapped HDP flush register seems to cause
problems on some platforms. All we need is a read, so read back
the memcfg register.
Fixes: abe1cbaec6cf ("drm/amdgpu/hdp6.0: do a posting read when flushing HDP")
Reported-by: Alexey Klimov <alexey.klimov@linaro.org>
Link: https://lists.freedesktop.org/archives/amd-gfx/2025-April/123150.html
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4119
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3908
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 84141ff615951359c9a99696fd79a36c465ed847)
Cc: stable@vger.kernel.org
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|
Reading back the remapped HDP flush register seems to cause
problems on some platforms. All we need is a read, so read back
the memcfg register.
Fixes: f756dbac1ce1 ("drm/amdgpu/hdp5.2: do a posting read when flushing HDP")
Reported-by: Alexey Klimov <alexey.klimov@linaro.org>
Link: https://lists.freedesktop.org/archives/amd-gfx/2025-April/123150.html
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4119
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3908
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 4a89b7698e771914b4d5b571600c76e2fdcbe2a9)
Cc: stable@vger.kernel.org
|
|
Reading back the remapped HDP flush register seems to cause
problems on some platforms. All we need is a read, so read back
the memcfg register.
Fixes: cf424020e040 ("drm/amdgpu/hdp5.0: do a posting read when flushing HDP")
Reported-by: Alexey Klimov <alexey.klimov@linaro.org>
Link: https://lists.freedesktop.org/archives/amd-gfx/2025-April/123150.html
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4119
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3908
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit a5cb344033c7598762e89255e8ff52827abb57a4)
Cc: stable@vger.kernel.org
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|
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from CAN, WiFi and netfilter.
We have still a comple of regressions open due to the recent
drivers locking refactor. The patches are in-flight, but not
ready yet.
Current release - regressions:
- core: lock netdevices during dev_shutdown
- sch_htb: make htb_deactivate() idempotent
- eth: virtio-net: don't re-enable refill work too early
Current release - new code bugs:
- eth: icssg-prueth: fix kernel panic during concurrent Tx queue
access
Previous releases - regressions:
- gre: fix again IPv6 link-local address generation.
- eth: b53: fix learning on VLAN unaware bridges
Previous releases - always broken:
- wifi: fix out-of-bounds access during multi-link element
defragmentation
- can:
- initialize spin lock on device probe
- fix order of unregistration calls
- openvswitch: fix unsafe attribute parsing in output_userspace()
- eth:
- virtio-net: fix total qstat values
- mtk_eth_soc: reset all TX queues on DMA free
- fbnic: firmware IPC mailbox fixes"
* tag 'net-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (55 commits)
virtio-net: fix total qstat values
net: export a helper for adding up queue stats
fbnic: Do not allow mailbox to toggle to ready outside fbnic_mbx_poll_tx_ready
fbnic: Pull fbnic_fw_xmit_cap_msg use out of interrupt context
fbnic: Improve responsiveness of fbnic_mbx_poll_tx_ready
fbnic: Cleanup handling of completions
fbnic: Actually flush_tx instead of stalling out
fbnic: Add additional handling of IRQs
fbnic: Gate AXI read/write enabling on FW mailbox
fbnic: Fix initialization of mailbox descriptor rings
net: dsa: b53: do not set learning and unicast/multicast on up
net: dsa: b53: fix learning on VLAN unaware bridges
net: dsa: b53: fix toggling vlan_filtering
net: dsa: b53: do not program vlans when vlan filtering is off
net: dsa: b53: do not allow to configure VLAN 0
net: dsa: b53: always rejoin default untagged VLAN on bridge leave
net: dsa: b53: fix VLAN ID for untagged vlan on bridge leave
net: dsa: b53: fix flushing old pvid VLAN on pvid change
net: dsa: b53: fix clearing PVID of a port
net: dsa: b53: keep CPU port always tagged again
...
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
- Fix potential use-after-free bug and missing error handling in PCI
code
- Fix dcssblk build error
- Fix last breaking event handling in case of stack corruption to allow
for better error reporting
- Update defconfigs
* tag 's390-6.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pci: Fix duplicate pci_dev_put() in disable_slot() when PF has child VFs
s390/pci: Fix missing check for zpci_create_device() error return
s390: Update defconfigs
s390/dcssblk: Fix build error with CONFIG_DAX=m and CONFIG_DCSSBLK=y
s390/entry: Fix last breaking event handling in case of stack corruption
s390/configs: Enable options required for TC flow offload
s390/configs: Enable VDPA on Nvidia ConnectX-6 network card
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Pull smb server fixes from Steve French:
- Fix UAF closing file table (e.g. in tree disconnect)
- Fix potential out of bounds write
- Fix potential memory leak parsing lease state in open
- Fix oops in rename with empty target
* tag 'v6.15-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: Fix UAF in __close_file_table_ids
ksmbd: prevent out-of-bounds stream writes by validating *pos
ksmbd: fix memory leak in parse_lease_state()
ksmbd: prevent rename with empty string
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Pull NVMe fix from Christoph:
"nvme fixes for linux 6.15
- unblock ctrl state transition for firmware update (Daniel Wagner)"
* tag 'nvme-6.15-2025-05-08' of git://git.infradead.org/nvme:
nvme: unblock ctrl state transition for firmware update
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