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1,399,042 commits

Author SHA1 Message Date
Jani Nikula
c3a126818a drm/i915/dp: refactor clear/wait for act sent
Move clear_act_sent() and wait_for_act_sent() to intel_ddi.[ch] and make
independent of DP MST. They'll be needed for 128b/132b SST
operation. Rename accordingly.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ef05f5bc222e8ba48d84f75a9ea5dd29667055d2.1732106557.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-11-22 13:36:59 +02:00
Jani Nikula
b9b82a4796 drm/i915/reg: convert DP_TP_CTL/DP_TP_STATUS to REG_BIT() and friends
Use the modern style for defining register contents. Expand the status
register contents a bit.

TODO: There are more VC payload mapping fields, spanning more registers,
and have more bits on more recent platforms.

v2:
- Fix DP_TP_STATUS_STREAMS_ENABLED_MASK mask (Imre)
- Drop status VC3 payload mapping for now

Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1ef15e6bb58ca847f89c9b39cbc9771cb57db408.1732106557.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-11-22 13:36:59 +02:00
Jani Nikula
1cfc6f811b drm/i915/ddi: use intel_ddi_* naming convention for encoder enable/disable
All the other encoder hooks are named intel_ddi_*, follow suit with
intel_ddi_enable() and intel_ddi_disable(), and the dp/hdmi variants.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9533cf61773f2cab3a6a29acf9e6ecfc00b6e8fd.1732106557.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-11-22 13:36:59 +02:00
Jani Nikula
5503f8112e drm/i915/mst: unify MST topology callback naming to mst_topology_*
Make it easier to keep track of what belongs where.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e8efc8fddc3ca93e1256a1dad13bc4eca07c3382.1732106557.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-11-22 13:36:59 +02:00
Jani Nikula
81c6d5d83b drm/i915/mst: simplify mst_connector_get_hw_state()
Use a variable for the encoder to simplify.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/eb8595ae36c6330cce1615059bd2c89a7db79668.1732106557.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-11-22 13:36:58 +02:00
Jani Nikula
fdb65ede8a drm/i915/mst: unify MST connector function naming to mst_connector_*
Similar to commit 5674e700d4 ("drm/i915/mst: change naming from fake
encoders to MST stream encoders"), name all MST connector related
functions to mst_connector_*.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3d4814a94b97fcff88722e0effd2fb5893b256af.1732106557.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-11-22 13:36:58 +02:00
Jani Nikula
2b1245f3ec drm/i915/mst: pass intel_dp around in mst stream helpers
All of the functions in question operate on the primary encoder, and
more specifically the primary intel_dp, so pass it around instead of the
encoder for less ambiguity.

Suggested-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/165ee8b723c42bcdeb3adf6a1b34ea09371e5d64.1732106557.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-11-22 13:36:58 +02:00
Christian Gmeiner
21f1435b1e
drm/v3d: Stop active perfmon if it is being destroyed
If the active performance monitor (`v3d->active_perfmon`) is being
destroyed, stop it first. Currently, the active perfmon is not
stopped during destruction, leaving the `v3d->active_perfmon` pointer
stale. This can lead to undefined behavior and instability.

This patch ensures that the active perfmon is stopped before being
destroyed, aligning with the behavior introduced in commit
7d1fd3638e ("drm/v3d: Stop the active perfmon before being destroyed").

Cc: stable@vger.kernel.org # v5.15+
Fixes: 26a4dc29b7 ("drm/v3d: Expose performance counters to userspace")
Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241118221948.1758130-1-christian.gmeiner@gmail.com
2024-11-22 08:33:58 -03:00
Jiri Olsa
088f294609
fs/proc/kcore.c: Clear ret value in read_kcore_iter after successful iov_iter_zero
If iov_iter_zero succeeds after failed copy_from_kernel_nofault,
we need to reset the ret value to zero otherwise it will be returned
as final return value of read_kcore_iter.

This fixes objdump -d dump over /proc/kcore for me.

Cc: stable@vger.kernel.org
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Fixes: 3d5854d75e ("fs/proc/kcore.c: allow translation of physical memory addresses")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20241121231118.3212000-1-jolsa@kernel.org
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-11-22 12:08:43 +01:00
Dave Chinner
a858109960 xfs: prevent mount and log shutdown race
I recently had an fstests hang where there were two internal tasks
stuck like so:

[ 6559.010870] task:kworker/24:45   state:D stack:12152 pid:631308 tgid:631308 ppid:2      flags:0x00004000
[ 6559.016984] Workqueue: xfs-buf/dm-2 xfs_buf_ioend_work
[ 6559.020349] Call Trace:
[ 6559.022002]  <TASK>
[ 6559.023426]  __schedule+0x650/0xb10
[ 6559.025734]  schedule+0x6d/0xf0
[ 6559.027835]  schedule_timeout+0x31/0x180
[ 6559.030582]  wait_for_common+0x10c/0x1e0
[ 6559.033495]  wait_for_completion+0x1d/0x30
[ 6559.036463]  __flush_workqueue+0xeb/0x490
[ 6559.039479]  ? mempool_alloc_slab+0x15/0x20
[ 6559.042537]  xlog_cil_force_seq+0xa1/0x2f0
[ 6559.045498]  ? bio_alloc_bioset+0x1d8/0x510
[ 6559.048578]  ? submit_bio_noacct+0x2f2/0x380
[ 6559.051665]  ? xlog_force_shutdown+0x3b/0x170
[ 6559.054819]  xfs_log_force+0x77/0x230
[ 6559.057455]  xlog_force_shutdown+0x3b/0x170
[ 6559.060507]  xfs_do_force_shutdown+0xd4/0x200
[ 6559.063798]  ? xfs_buf_rele+0x1bd/0x580
[ 6559.066541]  xfs_buf_ioend_handle_error+0x163/0x2e0
[ 6559.070099]  xfs_buf_ioend+0x61/0x200
[ 6559.072728]  xfs_buf_ioend_work+0x15/0x20
[ 6559.075706]  process_scheduled_works+0x1d4/0x400
[ 6559.078814]  worker_thread+0x234/0x2e0
[ 6559.081300]  kthread+0x147/0x170
[ 6559.083462]  ? __pfx_worker_thread+0x10/0x10
[ 6559.086295]  ? __pfx_kthread+0x10/0x10
[ 6559.088771]  ret_from_fork+0x3e/0x50
[ 6559.091153]  ? __pfx_kthread+0x10/0x10
[ 6559.093624]  ret_from_fork_asm+0x1a/0x30
[ 6559.096227]  </TASK>

[ 6559.109304] Workqueue: xfs-cil/dm-2 xlog_cil_push_work
[ 6559.112673] Call Trace:
[ 6559.114333]  <TASK>
[ 6559.115760]  __schedule+0x650/0xb10
[ 6559.118084]  schedule+0x6d/0xf0
[ 6559.120175]  schedule_timeout+0x31/0x180
[ 6559.122776]  ? call_rcu+0xee/0x2f0
[ 6559.125034]  __down_common+0xbe/0x1f0
[ 6559.127470]  __down+0x1d/0x30
[ 6559.129458]  down+0x48/0x50
[ 6559.131343]  ? xfs_buf_item_unpin+0x8d/0x380
[ 6559.134213]  xfs_buf_lock+0x3d/0xe0
[ 6559.136544]  xfs_buf_item_unpin+0x8d/0x380
[ 6559.139253]  xlog_cil_committed+0x287/0x520
[ 6559.142019]  ? sched_clock+0x10/0x30
[ 6559.144384]  ? sched_clock_cpu+0x10/0x190
[ 6559.147039]  ? psi_group_change+0x48/0x310
[ 6559.149735]  ? _raw_spin_unlock+0xe/0x30
[ 6559.152340]  ? finish_task_switch+0xbc/0x310
[ 6559.155163]  xlog_cil_process_committed+0x6d/0x90
[ 6559.158265]  xlog_state_shutdown_callbacks+0x53/0x110
[ 6559.161564]  ? xlog_cil_push_work+0xa70/0xaf0
[ 6559.164441]  xlog_state_release_iclog+0xba/0x1b0
[ 6559.167483]  xlog_cil_push_work+0xa70/0xaf0
[ 6559.170260]  process_scheduled_works+0x1d4/0x400
[ 6559.173286]  worker_thread+0x234/0x2e0
[ 6559.175779]  kthread+0x147/0x170
[ 6559.177933]  ? __pfx_worker_thread+0x10/0x10
[ 6559.180748]  ? __pfx_kthread+0x10/0x10
[ 6559.183231]  ret_from_fork+0x3e/0x50
[ 6559.185601]  ? __pfx_kthread+0x10/0x10
[ 6559.188092]  ret_from_fork_asm+0x1a/0x30
[ 6559.190692]  </TASK>

This is an ABBA deadlock where buffer IO completion is triggering a
forced shutdown with the buffer lock held. It is waiting for the CIL
to flush as part of the log force. The CIL flush is blocked doing
shutdown processing of all it's objects, trying to unpin a buffer
item. That requires taking the buffer lock....

For the CIL to be doing shutdown processing, the log must be marked
with XLOG_IO_ERROR, but that doesn't happen until after the log
force is issued. Hence for xfs_do_force_shutdown() to be forcing
the log on a shut down log, we must have had a racing
xlog_force_shutdown and xfs_force_shutdown like so:

p0			p1			CIL push

   			<holds buffer lock>
xlog_force_shutdown
  xfs_log_force
   test_and_set_bit(XLOG_IO_ERROR)
   						xlog_state_release_iclog()
						  sees XLOG_IO_ERROR
						  xlog_state_shutdown_callbacks
						    ....
						    xfs_buf_item_unpin
						    xfs_buf_lock
						    <blocks on buffer p1 holds>

   			xfs_force_shutdown
			  xfs_set_shutdown(mp) wins
			    xlog_force_shutdown
			      xfs_log_force
			        <blocks on CIL push>

  xfs_set_shutdown(mp) fails
  <shuts down rest of log>

The deadlock can be mitigated by avoiding the log force on the
second pass through xlog_force_shutdown. Do this by adding another
atomic state bit (XLOG_OP_PENDING_SHUTDOWN) that is set on entry to
xlog_force_shutdown() but doesn't mark the log as shutdown.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
2024-11-22 11:24:51 +01:00
Dave Chinner
c9c293240e xfs: delalloc and quota softlimit timers are incoherent
I've been seeing this failure on during xfs/050 recently:

 XFS: Assertion failed: dst->d_spc_timer != 0, file: fs/xfs/xfs_qm_syscalls.c, line: 435
....
 Call Trace:
  <TASK>
  xfs_qm_scall_getquota_fill_qc+0x2a2/0x2b0
  xfs_qm_scall_getquota_next+0x69/0xa0
  xfs_fs_get_nextdqblk+0x62/0xf0
  quota_getnextxquota+0xbf/0x320
  do_quotactl+0x1a1/0x410
  __se_sys_quotactl+0x126/0x310
  __x64_sys_quotactl+0x21/0x30
  x64_sys_call+0x2819/0x2ee0
  do_syscall_64+0x68/0x130
  entry_SYSCALL_64_after_hwframe+0x76/0x7e

It turns out that the _qmount call has silently been failing to
unmount and mount the filesystem, so when the softlimit is pushed
past with a buffered write, it is not getting synced to disk before
the next quota report is being run.

Hence when the quota report runs, we have 300 blocks of delalloc
data on an inode, with a soft limit of 200 blocks. XFS dquots
account delalloc reservations as used space, hence the dquot is over
the soft limit.

However, we don't update the soft limit timers until we do a
transactional update of the dquot. That is, the dquot sits over the
soft limit without a softlimit timer being started until writeback
occurs and the allocation modifies the dquot and we call
xfs_qm_adjust_dqtimers() from xfs_trans_apply_dquot_deltas() in
xfs_trans_commit() context.

This isn't really a problem, except for this debug code in
xfs_qm_scall_getquota_fill_qc():

        if (xfs_dquot_is_enforced(dqp) && dqp->q_id != 0) {
                if ((dst->d_space > dst->d_spc_softlimit) &&
                    (dst->d_spc_softlimit > 0)) {
                        ASSERT(dst->d_spc_timer != 0);
                }
....

It asserts taht if the used block count is over the soft limit,
it *must* have a soft limit timer running. This is clearly not
the case, because we haven't committed the delalloc space to disk
yet. Hence the soft limit is only exceeded temporarily in memory
(which isn't an issue) and we start the timer the moment we exceed
the soft limit in journalled metadata.

This debug was introduced in:

commit 0d5ad8383061fbc0a9804fbb98218750000fe032
Author: Supriya Wickrematillake <sup@sgi.com>
Date:   Wed May 15 22:44:44 1996 +0000

    initial checkin
    quotactl syscall functions.

The very first quota support commit back in 1996. This is zero-day
debug for Irix and, as it turns out, a zero-day bug in the debug
code because the delalloc code on Irix didn't update the softlimit
timers, either.

IOWs, this issue has been in the code for 28 years.

We obviously don't care if soft limit timers are a bit rubbery when
we have delalloc reservations in memory. Production systems running
quota reports have been exposed to this situation for 28 years and
nobody has noticed it, so the debug code is essentially worthless at
this point in time.

We also have the on-disk dquot verifiers checking that the soft
limit timer is running whenever the dquot is over the soft limit
before we write it to disk and after we read it from disk. These
aren't firing, so it is clear the issue is purely a temporary
in-memory incoherency that I never would have noticed had the test
not silently failed to unmount the filesystem.

Hence I'm simply going to trash this runtime debug because it isn't
useful in the slightest for catching quota bugs.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
2024-11-22 11:24:45 +01:00
Dave Chinner
1332533358 xfs: fix sparse inode limits on runt AG
The runt AG at the end of a filesystem is almost always smaller than
the mp->m_sb.sb_agblocks. Unfortunately, when setting the max_agbno
limit for the inode chunk allocation, we do not take this into
account. This means we can allocate a sparse inode chunk that
overlaps beyond the end of an AG. When we go to allocate an inode
from that sparse chunk, the irec fails validation because the
agbno of the start of the irec is beyond valid limits for the runt
AG.

Prevent this from happening by taking into account the size of the
runt AG when allocating inode chunks. Also convert the various
checks for valid inode chunk agbnos to use xfs_ag_block_count()
so that they will also catch such issues in the future.

Fixes: 56d1115c9b ("xfs: allocate sparse inode chunks on full chunk allocation failure")
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
2024-11-22 11:24:40 +01:00
Louis Chauvet
12e755103f
drm/vkms: Remove index parameter from init_vkms_output
VKMS currently supports only one CRTC, so it make no sense to have this
index configurable. To avoid issues, replace this hardcoded index by
drm_crtc_mask when applicable.

There is no need to manually set a crtc mask on primary and cursor plane
as it is automatically set by drmm_crtc_alloc_with_planes.

In addition, this will remove the use of an uninitialized structure in
vkms_add_overlay_plane. This currently works by chance because two things:
- vkms_plane_init always set a possible_crtcs value, so the problematic
  branch is never used;
- drm_crtc_mask on an kzalloc'd drm_crtc returns BIT(0), and the VKMS CRTC
  always have this id.

Reviewed-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241119-vkms-remove-index-v3-1-976321a3f801@bootlin.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
2024-11-22 10:49:35 +01:00
Long Li
652f03db89 xfs: remove unknown compat feature check in superblock write validation
Compat features are new features that older kernels can safely ignore,
allowing read-write mounts without issues. The current sb write validation
implementation returns -EFSCORRUPTED for unknown compat features,
preventing filesystem write operations and contradicting the feature's
definition.

Additionally, if the mounted image is unclean, the log recovery may need
to write to the superblock. Returning an error for unknown compat features
during sb write validation can cause mount failures.

Although XFS currently does not use compat feature flags, this issue
affects current kernels' ability to mount images that may use compat
feature flags in the future.

Since superblock read validation already warns about unknown compat
features, it's unnecessary to repeat this warning during write validation.
Therefore, the relevant code in write validation is being removed.

Fixes: 9e037cb797 ("xfs: check for unknown v5 feature bits in superblock write verifier")
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Long Li <leo.lilong@huawei.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
2024-11-22 10:20:55 +01:00
Arnd Bergmann
818956c765
drm/rockchip: avoid 64-bit division
Dividing a 64-bit integer prevents building this for 32-bit targets:

ERROR: modpost: "__aeabi_uldivmod" [drivers/gpu/drm/rockchip/rockchipdrm.ko] undefined!

As this function is not performance criticial, just Use the div_u64() helper.

Fixes: 128a9bf8ac ("drm/rockchip: Add basic RK3588 HDMI output support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20241018151016.3496613-1-arnd@kernel.org
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
(cherry picked from commit 4b64b4a81f)
Signed-off-by: Maxime Ripard <mripard@kernel.org>
2024-11-22 10:11:39 +01:00
Long Li
45f69d091b xfs: eliminate lockdep false positives in xfs_attr_shortform_list
xfs_attr_shortform_list() only called from a non-transactional context, it
hold ilock before alloc memory and maybe trapped in memory reclaim. Since
commit 204fae32d5f7("xfs: clean up remaining GFP_NOFS users") removed
GFP_NOFS flag, lockdep warning will be report as [1]. Eliminate lockdep
false positives by use __GFP_NOLOCKDEP to alloc memory
in xfs_attr_shortform_list().

[1] https://lore.kernel.org/linux-xfs/000000000000e33add0616358204@google.com/

Reported-by: syzbot+4248e91deb3db78358a2@syzkaller.appspotmail.com
Signed-off-by: Long Li <leo.lilong@huawei.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
2024-11-22 09:52:03 +01:00
Huacai Chen
1b9bc4207e Merge tag 'sched-core-2024-11-18' into loongarch-next
LoongArch architecture changes for 6.13 depend on the sched-core changes
(PREEMPT_LAZY) to completely support RT, so merge them to create a base.
2024-11-22 15:44:09 +08:00
Rob Herring (Arm)
5578b4347b tpm: atmel: Drop PPC64 specific MMIO setup
The PPC64 specific MMIO setup open codes DT address functions rather
than using standard address parsing functions. The open-coded version
fails to handle any address translation and is not endian safe.

I haven't found any evidence of what platform used this. The only thing
that turned up was a PPC405 platform, but that is 32-bit and PPC405
support is being removed as well. CONFIG_TCG_ATMEL is not enabled for
any powerpc config and never was. The support was added in 2005 and
hasn't been touched since.

Rather than try to modernize and fix this code, just remove it.

[jarkko: fixed couple of style issues reported by checkpatch.pl --strict
 and put offset into parentheses in the macro declarations.]
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2024-11-22 00:56:50 +02:00
Linus Torvalds
28eb75e178 drm for 6.13-rc1
core:
 - split DSC helpers from DP helpers
 - clang build fixes for drm/mm test
 - drop simple pipeline support for gem vram
 - document submission error signaling
 - move drm_rect to drm core module from kms helper
 - add default client setup to most drivers
 - move to video aperture helpers instead of drm ones
 
 tests:
 - new framebuffer tests
 
 ttm:
 - remove swapped and pinned BOs from TTM lru
 
 panic:
 - fix uninit spinlock
 - add ABGR2101010 support
 
 bridge:
 - add TI TDP158 support
 - use standard PM OPS
 
 dma-fence:
 - use read_trylock instead of read_lock to help lockdep
 
 scheduler:
 - add errno to sched start to report different errors
 - add locking to drm_sched_entity_modify_sched
 - improve documentation
 
 xe:
 - add drm_line_printer
 - lots of refactoring
 - Enable Xe2 + PES disaggregation
 - add new ARL PCI ID
 - SRIOV development work
 - fix exec unnecessary implicit fence
 - define and parse OA sync props
 - forcewake refactoring
 
 i915:
 - Enable BMG/LNL ultra joiner
 - Enable 10bpx + CCS scanout on ICL+, fp16/CCS on TGL+
 - use DSB for plane/color mgmt
 - Arrow lake PCI IDs
 - lots of i915/xe display refactoring
 - enable PXP GuC autoteardown
 - Pantherlake (PTL) Xe3 LPD display enablement
 - Allow fastset HDR infoframe changes
 - write DP source OUI for non-eDP sinks
 - share PCI IDs between i915 and xe
 
 amdgpu:
 - SDMA queue reset support
 - SMU 13.0.6, JPEG 4.0.3 updates
 - Initial runtime repartitioning support
 - rework IP structs for multiple IP instances
 - Fetch EDID from _DDC if available
 - SMU13 zero rpm user control
 - lots of fixes/cleanups
 
 amdkfd:
 - Increase event FIFO size
 - add topology cap flag for per queue reset
 
 msm:
 - DPU:
 - SA8775P support
 - (disabled by default) MSM8917, MSM8937, MSM8953 and MSM8996 support
 - Enable large framebuffer support
 - Drop MSM8998 and SDM845
 - DP:
 - SA8775P support
 - GPU:
 - a7xx preemption support
 - Adreno A663 support
 
 ast:
 - warn about unsupported TX chips
 
 ivpu:
 - add coredump
 - add pantherlake support
 
 rockchip:
 - 4K@60Hz display enablement
 - generate pll programming tables
 
 panthor:
 - add timestamp query API
 - add realtime group priority
 - add fdinfo support
 
 etnaviv:
 - improve handling of DMA address limits
 - improve GPU hangcheck
 
 exynos:
 - Decon Exynos7870 support
 
 mediatek:
 - add OF graph support
 
 omap:
 - locking fixes
 
 bochs:
 - convert to gem/shmem from simpledrm
 
 v3d:
 - support big/super pages
 - add gemfs
 
 vc4:
 - BCM2712 support refactoring
 - add YUV444 format support
 
 udmabuf:
 - folio related fixes
 
 nouveau:
 - add panic support on nv50+
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Merge tag 'drm-next-2024-11-21' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "There's a lot of rework, the panic helper support is being added to
  more drivers, v3d gets support for HW superpages, scheduler
  documentation, drm client and video aperture reworks, some new
  MAINTAINERS added, amdgpu has the usual lots of IP refactors, Intel
  has some Pantherlake enablement and xe is getting some SRIOV bits, but
  just lots of stuff everywhere.

  core:
   - split DSC helpers from DP helpers
   - clang build fixes for drm/mm test
   - drop simple pipeline support for gem vram
   - document submission error signaling
   - move drm_rect to drm core module from kms helper
   - add default client setup to most drivers
   - move to video aperture helpers instead of drm ones

  tests:
   - new framebuffer tests

  ttm:
   - remove swapped and pinned BOs from TTM lru

  panic:
   - fix uninit spinlock
   - add ABGR2101010 support

  bridge:
   - add TI TDP158 support
   - use standard PM OPS

  dma-fence:
   - use read_trylock instead of read_lock to help lockdep

  scheduler:
   - add errno to sched start to report different errors
   - add locking to drm_sched_entity_modify_sched
   - improve documentation

  xe:
   - add drm_line_printer
   - lots of refactoring
   - Enable Xe2 + PES disaggregation
   - add new ARL PCI ID
   - SRIOV development work
   - fix exec unnecessary implicit fence
   - define and parse OA sync props
   - forcewake refactoring

  i915:
   - Enable BMG/LNL ultra joiner
   - Enable 10bpx + CCS scanout on ICL+, fp16/CCS on TGL+
   - use DSB for plane/color mgmt
   - Arrow lake PCI IDs
   - lots of i915/xe display refactoring
   - enable PXP GuC autoteardown
   - Pantherlake (PTL) Xe3 LPD display enablement
   - Allow fastset HDR infoframe changes
   - write DP source OUI for non-eDP sinks
   - share PCI IDs between i915 and xe

  amdgpu:
   - SDMA queue reset support
   - SMU 13.0.6, JPEG 4.0.3 updates
   - Initial runtime repartitioning support
   - rework IP structs for multiple IP instances
   - Fetch EDID from _DDC if available
   - SMU13 zero rpm user control
   - lots of fixes/cleanups

  amdkfd:
   - Increase event FIFO size
   - add topology cap flag for per queue reset

  msm:
   - DPU:
      - SA8775P support
      - (disabled by default) MSM8917, MSM8937, MSM8953 and MSM8996 support
      - Enable large framebuffer support
      - Drop MSM8998 and SDM845
   - DP:
      - SA8775P support
   - GPU:
      - a7xx preemption support
      - Adreno A663 support

  ast:
   - warn about unsupported TX chips

  ivpu:
   - add coredump
   - add pantherlake support

  rockchip:
   - 4K@60Hz display enablement
   - generate pll programming tables

  panthor:
   - add timestamp query API
   - add realtime group priority
   - add fdinfo support

  etnaviv:
   - improve handling of DMA address limits
   - improve GPU hangcheck

  exynos:
   - Decon Exynos7870 support

  mediatek:
   - add OF graph support

  omap:
   - locking fixes

  bochs:
   - convert to gem/shmem from simpledrm

  v3d:
   - support big/super pages
   - add gemfs

  vc4:
   - BCM2712 support refactoring
   - add YUV444 format support

  udmabuf:
   - folio related fixes

  nouveau:
   - add panic support on nv50+"

* tag 'drm-next-2024-11-21' of https://gitlab.freedesktop.org/drm/kernel: (1583 commits)
  drm/xe/guc: Fix dereference before NULL check
  drm/amd: Fix initialization mistake for NBIO 7.7.0
  Revert "drm/amd/display: parse umc_info or vram_info based on ASIC"
  drm/amd/display: Fix failure to read vram info due to static BP_RESULT
  drm/amdgpu: enable GTT fallback handling for dGPUs only
  drm/amd/amdgpu: limit single process inside MES
  drm/fourcc: add AMD_FMT_MOD_TILE_GFX9_4K_D_X
  drm/amdgpu/mes12: correct kiq unmap latency
  drm/amdgpu: Support vcn and jpeg error info parsing
  drm/amd : Update MES API header file for v11 & v12
  drm/amd/amdkfd: add/remove kfd queues on start/stop KFD scheduling
  drm/amdkfd: change kfd process kref count at creation
  drm/amdgpu: Cleanup shift coding style
  drm/amd/amdgpu: Increase MES log buffer to dump mes scratch data
  drm/amdgpu: Implement virt req_ras_err_count
  drm/amdgpu: VF Query RAS Caps from Host if supported
  drm/amdgpu: Add msg handlers for SRIOV RAS Telemetry
  drm/amdgpu: Update SRIOV Exchange Headers for RAS Telemetry Support
  drm/amd/display: 3.2.309
  drm/amd/display: Adjust VSDB parser for replay feature
  ...
2024-11-21 14:56:17 -08:00
Jett Rink
2e1827de1b char: tpm: cr50: Add new device/vendor ID 0x50666666
Accept another DID:VID for the next generation Google TPM. This TPM
has the same Ti50 firmware and fulfills the same interface.

Suggested-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2024-11-22 00:48:27 +02:00
Jan Dabros
44637b0b40 char: tpm: cr50: Move i2c locking to request/relinquish locality ops
Move i2c locking primitives to request_locality and relinquish_locality
callbacks, what effectively blocks TPM bus for the whole duration of
logical TPM operation.

With this in place, cr50-equipped TPM may be shared with external CPUs -
assuming that underneath i2c controller driver is aware of this setup
(see i2c-designware-amdpsp as an example).

Signed-off-by: Jan Dabros <jsd@semihalf.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2024-11-22 00:48:27 +02:00
Jan Dabros
932e3a5e1e char: tpm: cr50: Use generic request/relinquish locality ops
Instead of using static functions tpm_cr50_request_locality and
tpm_cr50_release_locality register callbacks from tpm class chip->ops
created for this purpose.

Signed-off-by: Jan Dabros <jsd@semihalf.com>
Signed-off-by: Grzegorz Bernacki <bernacki@chromium.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2024-11-22 00:48:27 +02:00
Stefan Berger
02e9bda80d tpm: ibmvtpm: Set TPM_OPS_AUTO_STARTUP flag on driver
Set the TPM_OPS_AUTO_STARTUP on the driver so that the ibmvtpm driver now
uses tpm2_auto_startup and tpm1_auto_startup like many other drivers do.
Remove tpm_get_timeouts, tpm2_get_cc_attrs_tbl, and tpm2_sessions_init
calls from it since these will all be called in tpm2_auto_startup and
tpm1_auto_startup.

The exporting of the tpm2_session_init symbol was only necessary while the
ibmvtpm driver was calling this function. Since this is not the case
anymore, remove this symbol from being exported.

What is new for the ibmvtpm driver is that now tpm2_do_selftest and
tpm1_do_selftest will be called that send commands to the TPM to perform
or continue its selftest. However, the firmware should already have sent
these commands so that the TPM will not do much work at this time.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2024-11-22 00:48:26 +02:00
Linus Torvalds
071b34dcf7 sound updates for 6.13-rc1
This is a relatively calm cycle, and majority of changes are about
 ASoC.  There are little changes in the core side but we received
 lots of new drivers for new vendors.
 
 * ALSA Core:
 - The new accel operation mode for compress-offload API;
   only the core part, and the actual user will follow at next
 
 * ASoC:
 - Continued API simplification works
 - Renaming of the sh directory to Renesas
 - Factoring out of some of the common code for Realtek devices
 - Ussal ASoC Intel SOF, AMD and SoundWire updates
 - Support for Allwinner H616, AMD ACP 6.3 systems, AWInic AW88081,
   Cirrus Logic CS32L84, Everest ES8328, Iron Devices SMA1307,
   Longsoon I2S, NeoFidelity NTP8918 and NTP8835, Philips UDA1342,
   Qualcomm SM8750, RealTek RT721, and ST Microelectronics STM32MP25
 
 * HD- and USB-audio:
 - Clean up of IRQ handling in legacy HD-audio driver
 - Fix soft lockup at disconnection of non-standard USB drivers
 - Scarlett2 mixer improvements
 - New quirks and cleanups in HD- and USB-audio
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Merge tag 'sound-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This is a relatively calm cycle, and majority of changes are about
  ASoC. There are little changes in the core side but we received lots
  of new drivers for new vendors.

  ALSA Core:
   - The new accel operation mode for compress-offload API; only the
     core part, the actual user will follow later

  ASoC:
   - Continued API simplification works
   - Renaming of the sh directory to Renesas
   - Factoring out of some of the common code for Realtek devices
   - Ussal ASoC Intel SOF, AMD and SoundWire updates
   - Support for Allwinner H616, AMD ACP 6.3 systems, AWInic AW88081,
     Cirrus Logic CS32L84, Everest ES8328, Iron Devices SMA1307,
     Longsoon I2S, NeoFidelity NTP8918 and NTP8835, Philips UDA1342,
     Qualcomm SM8750, RealTek RT721, and ST Microelectronics STM32MP25

  HD- and USB-audio:
   - Clean up of IRQ handling in legacy HD-audio driver
   - Fix soft lockup at disconnection of non-standard USB drivers
   - Scarlett2 mixer improvements
   - New quirks and cleanups in HD- and USB-audio"

* tag 'sound-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (278 commits)
  ALSA: hda: Poll jack events for LS7A HD-Audio
  ASoC: hdmi-codec: reorder channel allocation list
  ALSA: ump: Fix the wrong format specifier
  ASoC: Intel: soc-acpi-intel-lnl-match: add rt712_vb + rt1320 support
  ASoC: stm32: dfsdm: change rate upper limits
  ASoC: sma1307: fix uninitialized variable refence
  ASoC: dt-bindings: simple-mux: add idle-state property
  ASoc: simple-mux: add idle-state support
  ASoC: sdca: test adev before calling acpi_dev_for_each_child
  ASoC: SOF: ipc4-topology: remove redundant assignment to variable ret
  ASoC: amd: ps: fix the pcm device numbering for acp 6.3 platform
  ASoC: amd: acp: add soundwire machine driver for legacy stack
  ASoC: amd: acp: move get_acp63_cpu_pin_id() to common file
  ASoC: amd: ps: add soundwire machines for acp6.3 platform
  ASoC: amd: acp: add RT711, RT714 & RT1316 support for acp 6.3 platform
  ASoC: amd: acp: add rt722 based soundwire machines
  ALSA: compress_offload: Add missing descriptions in structs
  ALSA: 6fire: Release resources at card release
  ALSA: caiaq: Use snd_card_free_when_closed() at disconnection
  ALSA: us122l: Drop mmap_count field
  ...
2024-11-21 14:39:31 -08:00
Linus Torvalds
55ae3eef10 i2c-for-6.13-rc1
i2c-core (Wolfram)
 
  - drivers can now use a GPIO as a side channel for SMBus Alerts
    using a generic binding
 
  - regular stuff like mem leak fix, Makefile maintenance...
 
 i2c-host updates (Andi)
 
 Major Improvements and Refactoring:
 
  - All controllers using the 'remove_new' callback have been
    reverted to use the 'remove' callback.
 
  - Intel SCH controller underwent significant refactoring,
    this brings love and a modern look to the driver.
 
  - PIIX4 driver refactored to enable usage by other drivers
    (e.g., AMD ASF).
 
  - iMX/MXC improved message handling to reduce protocol overhead:
      Refactored DMA/non-DMA read/write and bus polling mechanisms
      to achieve this.
 
  - ACPI documentation for PIIX4.
 
 New Features:
 
  - i2c-cadence added support for atomic transfers.
  - Qualcomm CII added support for a 32MHz serial engine clock.
 
 Deprecated Features:
 
  - Dropped outdated support for AMD756 S4882 and NFORCE2 S4985. If
    somebody misses this, Jean will rewrite support using the proper
    i2c mux framework.
 
 New Hardware Support:
 
  - Added support for:
    - Intel Panther Lake (new ID)
    - AMD ASF (new driver)
    - S32G2/S32G3 SoCs (new ID)
    - Realtek RTL I2C Controller (new driver)
    - HJMC01 DesignWare ACPI HID (new ID)
    - PIC64GX to Microchip Core (new ID)
    - Qualcomm SDM670 to Qualcomm CCI (new ID)
 
 at24 updates (Bartosz)
 
 - add support for the lockable page on ST M24256E
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Merge tag 'i2c-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:
 "Core:

   - drivers can now use a GPIO as a side channel for SMBus Alerts using
     a generic binding

   - regular stuff like mem leak fix, Makefile maintenance...

  Host improvements and refactoring:

   - All controllers using the 'remove_new' callback have been reverted
     to use the 'remove' callback

   - Intel SCH controller underwent significant refactoring, this brings
     love and a modern look to the driver

   - PIIX4 driver refactored to enable usage by other drivers (e.g., AMD
     ASF)

   - iMX/MXC improved message handling to reduce protocol overhead:
     Refactored DMA/non-DMA read/write and bus polling mechanisms to
     achieve this.

   - ACPI documentation for PIIX4

  New host features:

   - i2c-cadence support for atomic transfers

   - Qualcomm CII support for a 32MHz serial engine clock

  Deprecated features:

   - Dropped outdated support for AMD756 S4882 and NFORCE2 S4985. If
     somebody misses this, Jean will rewrite support using the proper
     i2c mux framework.

  New hardware IDs for existing drivers:

   - Intel Panther Lake

   - S32G2/S32G3 SoCs

   - HJMC01 DesignWare ACPI HID

   - PIC64GX to Microchip Core

   - Qualcomm SDM670 to Qualcomm CCI

  New drivers:

   - AMD ASF

   - Realtek RTL I2C Controller

  at24 updates:

   - add support for the lockable page on ST M24256E"

* tag 'i2c-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (59 commits)
  docs: i2c: piix4: Add ACPI section
  i2c: Add driver for the RTL9300 I2C controller
  i2c: qcom-cci: Remove unused struct member cci_clk_rate
  dt-bindings: i2c: Add Realtek RTL I2C Controller
  i2c: busses: Use *-y instead of *-objs in Makefile
  i2c: imx: add support for S32G2/S32G3 SoCs
  dt-bindings: i2c: imx: add SoC specific compatible strings for S32G
  i2c: qcom-cci: Remove the unused variable cci_clk_rate
  i2c: Drop legacy muxing pseudo-drivers
  i2c: imx: prevent rescheduling in non dma mode
  i2c: imx: separate atomic, dma and non-dma use case
  i2c: imx: do not poll for bus busy in single master mode
  i2c: designware: Add a new ACPI HID for HJMC01 I2C controller
  i2c: qcom-geni: Keep comment why interrupts start disabled
  dt-bindings: i2c: microchip: corei2c: Add PIC64GX as compatible with driver
  i2c: designware: constify abort_sources
  i2c: Switch back to struct platform_driver::remove()
  i2c: qcom-geni: Support systems with 32MHz serial engine clock
  i2c: qcom-cci: Stop complaining about DT set clock rate
  dt-bindings: i2c: qcom-cci: Document SDM670 compatible
  ...
2024-11-21 13:19:29 -08:00
Alex Deucher
979bfe291b Revert "drm/radeon: Delay Connector detecting when HPD singals is unstable"
This reverts commit 949658cb9b.

This causes a blank screen on boot.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3696
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Shixiong Ou <oushixiong@kylinos.cn>
Cc: stable@vger.kernel.org
2024-11-21 15:56:23 -05:00
Alex Deucher
93df748737 drm/amdgpu/jpeg: cancel the jpeg worker
Looks like these got missed when jpeg was split from vcn.
Cancel the jpeg workers rather than vcn workers.

Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-11-21 15:56:23 -05:00
Vitaly Prosyak
b61badd20b drm/amdgpu: fix usage slab after free
[  +0.000021] BUG: KASAN: slab-use-after-free in drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]
[  +0.000027] Read of size 8 at addr ffff8881b8605f88 by task amd_pci_unplug/2147

[  +0.000023] CPU: 6 PID: 2147 Comm: amd_pci_unplug Not tainted 6.10.0+ #1
[  +0.000016] Hardware name: ASUS System Product Name/ROG STRIX B550-F GAMING (WI-FI), BIOS 1401 12/03/2020
[  +0.000016] Call Trace:
[  +0.000008]  <TASK>
[  +0.000009]  dump_stack_lvl+0x76/0xa0
[  +0.000017]  print_report+0xce/0x5f0
[  +0.000017]  ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]
[  +0.000019]  ? srso_return_thunk+0x5/0x5f
[  +0.000015]  ? kasan_complete_mode_report_info+0x72/0x200
[  +0.000016]  ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]
[  +0.000019]  kasan_report+0xbe/0x110
[  +0.000015]  ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]
[  +0.000023]  __asan_report_load8_noabort+0x14/0x30
[  +0.000014]  drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]
[  +0.000020]  ? srso_return_thunk+0x5/0x5f
[  +0.000013]  ? __kasan_check_write+0x14/0x30
[  +0.000016]  ? __pfx_drm_sched_entity_flush+0x10/0x10 [gpu_sched]
[  +0.000020]  ? srso_return_thunk+0x5/0x5f
[  +0.000013]  ? __kasan_check_write+0x14/0x30
[  +0.000013]  ? srso_return_thunk+0x5/0x5f
[  +0.000013]  ? enable_work+0x124/0x220
[  +0.000015]  ? __pfx_enable_work+0x10/0x10
[  +0.000013]  ? srso_return_thunk+0x5/0x5f
[  +0.000014]  ? free_large_kmalloc+0x85/0xf0
[  +0.000016]  drm_sched_entity_destroy+0x18/0x30 [gpu_sched]
[  +0.000020]  amdgpu_vce_sw_fini+0x55/0x170 [amdgpu]
[  +0.000735]  ? __kasan_check_read+0x11/0x20
[  +0.000016]  vce_v4_0_sw_fini+0x80/0x110 [amdgpu]
[  +0.000726]  amdgpu_device_fini_sw+0x331/0xfc0 [amdgpu]
[  +0.000679]  ? mutex_unlock+0x80/0xe0
[  +0.000017]  ? __pfx_amdgpu_device_fini_sw+0x10/0x10 [amdgpu]
[  +0.000662]  ? srso_return_thunk+0x5/0x5f
[  +0.000014]  ? __kasan_check_write+0x14/0x30
[  +0.000013]  ? srso_return_thunk+0x5/0x5f
[  +0.000013]  ? mutex_unlock+0x80/0xe0
[  +0.000016]  amdgpu_driver_release_kms+0x16/0x80 [amdgpu]
[  +0.000663]  drm_minor_release+0xc9/0x140 [drm]
[  +0.000081]  drm_release+0x1fd/0x390 [drm]
[  +0.000082]  __fput+0x36c/0xad0
[  +0.000018]  __fput_sync+0x3c/0x50
[  +0.000014]  __x64_sys_close+0x7d/0xe0
[  +0.000014]  x64_sys_call+0x1bc6/0x2680
[  +0.000014]  do_syscall_64+0x70/0x130
[  +0.000014]  ? srso_return_thunk+0x5/0x5f
[  +0.000014]  ? irqentry_exit_to_user_mode+0x60/0x190
[  +0.000015]  ? srso_return_thunk+0x5/0x5f
[  +0.000014]  ? irqentry_exit+0x43/0x50
[  +0.000012]  ? srso_return_thunk+0x5/0x5f
[  +0.000013]  ? exc_page_fault+0x7c/0x110
[  +0.000015]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[  +0.000014] RIP: 0033:0x7ffff7b14f67
[  +0.000013] Code: ff e8 0d 16 02 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 73 ba f7 ff
[  +0.000026] RSP: 002b:00007fffffffe378 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[  +0.000019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffff7b14f67
[  +0.000014] RDX: 0000000000000000 RSI: 00007ffff7f6f47a RDI: 0000000000000003
[  +0.000014] RBP: 00007fffffffe3a0 R08: 0000555555569890 R09: 0000000000000000
[  +0.000014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffffffe5c8
[  +0.000013] R13: 00005555555552a9 R14: 0000555555557d48 R15: 00007ffff7ffd040
[  +0.000020]  </TASK>

[  +0.000016] Allocated by task 383 on cpu 7 at 26.880319s:
[  +0.000014]  kasan_save_stack+0x28/0x60
[  +0.000008]  kasan_save_track+0x18/0x70
[  +0.000007]  kasan_save_alloc_info+0x38/0x60
[  +0.000007]  __kasan_kmalloc+0xc1/0xd0
[  +0.000007]  kmalloc_trace_noprof+0x180/0x380
[  +0.000007]  drm_sched_init+0x411/0xec0 [gpu_sched]
[  +0.000012]  amdgpu_device_init+0x695f/0xa610 [amdgpu]
[  +0.000658]  amdgpu_driver_load_kms+0x1a/0x120 [amdgpu]
[  +0.000662]  amdgpu_pci_probe+0x361/0xf30 [amdgpu]
[  +0.000651]  local_pci_probe+0xe7/0x1b0
[  +0.000009]  pci_device_probe+0x248/0x890
[  +0.000008]  really_probe+0x1fd/0x950
[  +0.000008]  __driver_probe_device+0x307/0x410
[  +0.000007]  driver_probe_device+0x4e/0x150
[  +0.000007]  __driver_attach+0x223/0x510
[  +0.000006]  bus_for_each_dev+0x102/0x1a0
[  +0.000007]  driver_attach+0x3d/0x60
[  +0.000006]  bus_add_driver+0x2ac/0x5f0
[  +0.000006]  driver_register+0x13d/0x490
[  +0.000008]  __pci_register_driver+0x1ee/0x2b0
[  +0.000007]  llc_sap_close+0xb0/0x160 [llc]
[  +0.000009]  do_one_initcall+0x9c/0x3e0
[  +0.000008]  do_init_module+0x241/0x760
[  +0.000008]  load_module+0x51ac/0x6c30
[  +0.000006]  __do_sys_init_module+0x234/0x270
[  +0.000007]  __x64_sys_init_module+0x73/0xc0
[  +0.000006]  x64_sys_call+0xe3/0x2680
[  +0.000006]  do_syscall_64+0x70/0x130
[  +0.000007]  entry_SYSCALL_64_after_hwframe+0x76/0x7e

[  +0.000015] Freed by task 2147 on cpu 6 at 160.507651s:
[  +0.000013]  kasan_save_stack+0x28/0x60
[  +0.000007]  kasan_save_track+0x18/0x70
[  +0.000007]  kasan_save_free_info+0x3b/0x60
[  +0.000007]  poison_slab_object+0x115/0x1c0
[  +0.000007]  __kasan_slab_free+0x34/0x60
[  +0.000007]  kfree+0xfa/0x2f0
[  +0.000007]  drm_sched_fini+0x19d/0x410 [gpu_sched]
[  +0.000012]  amdgpu_fence_driver_sw_fini+0xc4/0x2f0 [amdgpu]
[  +0.000662]  amdgpu_device_fini_sw+0x77/0xfc0 [amdgpu]
[  +0.000653]  amdgpu_driver_release_kms+0x16/0x80 [amdgpu]
[  +0.000655]  drm_minor_release+0xc9/0x140 [drm]
[  +0.000071]  drm_release+0x1fd/0x390 [drm]
[  +0.000071]  __fput+0x36c/0xad0
[  +0.000008]  __fput_sync+0x3c/0x50
[  +0.000007]  __x64_sys_close+0x7d/0xe0
[  +0.000007]  x64_sys_call+0x1bc6/0x2680
[  +0.000007]  do_syscall_64+0x70/0x130
[  +0.000007]  entry_SYSCALL_64_after_hwframe+0x76/0x7e

[  +0.000014] The buggy address belongs to the object at ffff8881b8605f80
               which belongs to the cache kmalloc-64 of size 64
[  +0.000020] The buggy address is located 8 bytes inside of
               freed 64-byte region [ffff8881b8605f80, ffff8881b8605fc0)

[  +0.000028] The buggy address belongs to the physical page:
[  +0.000011] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1b8605
[  +0.000008] anon flags: 0x17ffffc0000000(node=0|zone=2|lastcpupid=0x1fffff)
[  +0.000007] page_type: 0xffffefff(slab)
[  +0.000009] raw: 0017ffffc0000000 ffff8881000428c0 0000000000000000 dead000000000001
[  +0.000006] raw: 0000000000000000 0000000000200020 00000001ffffefff 0000000000000000
[  +0.000006] page dumped because: kasan: bad access detected

[  +0.000012] Memory state around the buggy address:
[  +0.000011]  ffff8881b8605e80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[  +0.000015]  ffff8881b8605f00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[  +0.000015] >ffff8881b8605f80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[  +0.000013]                       ^
[  +0.000011]  ffff8881b8606000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc
[  +0.000014]  ffff8881b8606080: fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb
[  +0.000013] ==================================================================

The issue reproduced on VG20 during the IGT pci_unplug test.
The root cause of the issue is that the function drm_sched_fini is called before drm_sched_entity_kill.
In drm_sched_fini, the drm_sched_rq structure is freed, but this structure is later accessed by
each entity within the run queue, leading to invalid memory access.
To resolve this, the order of cleanup calls is updated:

    Before:
        amdgpu_fence_driver_sw_fini
        amdgpu_device_ip_fini

    After:
        amdgpu_device_ip_fini
        amdgpu_fence_driver_sw_fini

This updated order ensures that all entities in the IPs are cleaned up first, followed by proper
cleanup of the schedulers.

Additional Investigation:

During debugging, another issue was identified in the amdgpu_vce_sw_fini function. The vce.vcpu_bo
buffer must be freed only as the final step in the cleanup process to prevent any premature
access during earlier cleanup stages.

v2: Using Christian suggestion call drm_sched_entity_destroy before drm_sched_fini.

Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-11-21 15:56:22 -05:00
Xiang Liu
928cd772e1 drm/amdgpu/vcn: reset fw_shared when VCPU buffers corrupted on vcn v4.0.3
It is not necessarily corrupted. When there is RAS fatal error, device
memory access is blocked. Hence vcpu bo cannot be saved to system memory
as in a regular suspend sequence before going for reset. In other full
device reset cases, that gets saved and restored during resume.

v2: Remove redundant code like vcn_v4_0 did
v2: Refine commit message
v3: Drop the volatile
v3: Refine commit message

Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Stanley.Yang <Stanley.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-11-21 15:56:22 -05:00
Jesse.zhang@amd.com
2f1b13521d drm/amdgpu: Fix sysfs warning when hotplugging
Fix the similar warning when hotplugging:

[  155.585721] kernfs: can not remove 'enforce_isolation', no directory
[  155.592201] WARNING: CPU: 3 PID: 6960 at fs/kernfs/dir.c:1683 kernfs_remove_by_name_ns+0xb9/0xc0
[  155.601145] Modules linked in: xt_MASQUERADE xt_comment nft_compat veth bridge stp llc overlay nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink qrtr intel_rapl_msr amd_atl intel_rapl_common amd64_edac edac_mce_amd amdgpu kvm_amd kvm ipmi_ssif amdxcp rapl drm_exec gpu_sched drm_buddy i2c_algo_bit drm_suballoc_helper drm_ttm_helper ttm pcspkr drm_display_helper acpi_cpufreq drm_kms_helper video wmi k10temp i2c_piix4 acpi_ipmi ipmi_si drm zram ip_tables loop squashfs dm_multipath crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 sha256_ssse3 sha1_ssse3 sp5100_tco ixgbe rfkill ccp dca sunrpc be2iscsi bnx2i cnic uio cxgb4i cxgb4 tls cxgb3i cxgb3 mdio libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ipmi_devintf ipmi_msghandler fuse
[  155.685224] systemd-journald[1354]: Compressed data object 957 -> 524 using ZSTD
[  155.685687] CPU: 3 PID: 6960 Comm: amd_pci_unplug Not tainted 6.10.0-1148853.1.zuul.164395107d6642bdb451071313e9378d #1
[  155.704149] Hardware name: TYAN B8021G88V2HR-2T/S8021GM2NR-2T, BIOS V1.03.B10 04/01/2019
[  155.712383] RIP: 0010:kernfs_remove_by_name_ns+0xb9/0xc0
[  155.717805] Code: a0 00 48 89 ef e8 37 96 c7 ff 5b b8 fe ff ff ff 5d 41 5c 41 5d e9 f7 96 a0 00 0f 0b eb ab 48 c7 c7 48 ba 7e 8f e8 f7 66 bf ff <0f> 0b eb dc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[  155.736766] RSP: 0018:ffffb1685d7a3e20 EFLAGS: 00010296
[  155.742108] RAX: 0000000000000038 RBX: ffff929e94c80000 RCX: 0000000000000000
[  155.749363] RDX: ffff928e1efaf200 RSI: ffff928e1efa18c0 RDI: ffff928e1efa18c0
[  155.756612] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000003
[  155.763855] R10: ffffb1685d7a3cd8 R11: ffffffff8fb3e1c8 R12: ffffffffc1ef5341
[  155.771104] R13: ffff929e94cc5530 R14: 0000000000000000 R15: 0000000000000000
[  155.778357] FS:  00007fd9dd8d9c40(0000) GS:ffff928e1ef80000(0000) knlGS:0000000000000000
[  155.786594] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  155.792450] CR2: 0000561245ceee38 CR3: 0000000113018000 CR4: 00000000003506f0
[  155.799702] Call Trace:
[  155.802254]  <TASK>
[  155.804460]  ? __warn+0x80/0x120
[  155.807798]  ? kernfs_remove_by_name_ns+0xb9/0xc0
[  155.812617]  ? report_bug+0x164/0x190
[  155.816393]  ? handle_bug+0x3c/0x80
[  155.819994]  ? exc_invalid_op+0x17/0x70
[  155.823939]  ? asm_exc_invalid_op+0x1a/0x20
[  155.828235]  ? kernfs_remove_by_name_ns+0xb9/0xc0
[  155.833058]  amdgpu_gfx_sysfs_fini+0x59/0xd0 [amdgpu]
[  155.838637]  gfx_v9_0_sw_fini+0x123/0x1c0 [amdgpu]
[  155.843887]  amdgpu_device_fini_sw+0xbc/0x3e0 [amdgpu]
[  155.849432]  amdgpu_driver_release_kms+0x16/0x30 [amdgpu]
[  155.855235]  drm_dev_put.part.0+0x3c/0x60 [drm]
[  155.859914]  drm_release+0x8b/0xc0 [drm]
[  155.863978]  __fput+0xf1/0x2c0
[  155.867141]  __x64_sys_close+0x3c/0x80
[  155.870998]  do_syscall_64+0x64/0x170

V2: Add details in comments (Tim)

Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Reported-by: Andy Dong <andy.dong@amd.com>
Reviewed-by: Tim Huang <tim.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-11-21 15:56:22 -05:00
Jesse.zhang@amd.com
fb9898243a drm/amdgpu: Add sysfs interface for vcn reset mask
Add the sysfs interface for vcn:
vcn_reset_mask

The interface is read-only and show the resets supported by the IP.
For example, full adapter reset (mode1/mode2/BACO/etc),
soft reset, queue reset, and pipe reset.

V2: the sysfs node returns a text string instead of some flags (Christian)

V2: the sysfs node returns a text string instead of some flags (Christian)
v3: add a generic helper which takes the ring as parameter
    and print the strings in the order they are applied (Christian)

    check amdgpu_gpu_recovery  before creating sysfs file itself,
    and initialize supported_reset_types in IP version files (Lijo)
v4: s/sdma/vcn/ in the reset mask setup

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Tim Huang <tim.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-11-21 15:56:22 -05:00
Alex Deucher
4c28e645aa drm/amdgpu/gmc7: fix wait_for_idle callers
The wait_for_idle signature was changed, but the callers
were not.

Reviewed-by: Sunil Khatri <sunil.khatri@amd.com>
Reported-by: Michel Dänzer <michel@daenzer.net>
Fixes: 82ae6619a4 ("drm/amdgpu: update the handle ptr in wait_for_idle")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Sunil Khatri <sunil.khatri@amd.com>
2024-11-21 15:56:22 -05:00
Lijo Lazar
da868898cf drm/amd/pm: Remove arcturus min power limit
As per power team, there is no need to impose a lower bound on arcturus
power limit. Any unreasonable limit set will result in frequent
throttling.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-11-21 15:56:06 -05:00
Kenneth Feng
76c7f08094 drm/amd/pm: skip setting the power source on smu v14.0.2/3
skip setting power source on smu v14.0.2/3

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.11.x
2024-11-21 15:55:58 -05:00
Kenneth Feng
b0df0e7778 drm/amd/pm: disable pcie speed switching on Intel platform for smu v14.0.2/3
disable pcie speed switching on Intel platform for smu v14.0.2/3
based on Intel's requirement.
v2: align the setting with smu v13.

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.11.x
2024-11-21 15:55:40 -05:00
Lijo Lazar
cdc6705f98 drm/amdkfd: Use the correct wptr size
Write pointer could be 32-bit or 64-bit. Use the correct size during
initialization.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-11-21 15:55:20 -05:00
Lucas De Marchi
22c2052766 drm/xe: Sort again the info flags
Those flags are supposed to be kept sorted alphabetically. Unfortunately
it's a constant battle as new flags are added to the end or at random
places. Sort it again.

v2: Include the other non-has_* 1-bit flags in the sort
v3: Add comment to keep flags sorted

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> # v1
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241120195710.3447100-1-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
2024-11-21 12:50:21 -08:00
Linus Torvalds
341d041daa iommufd 6.13 merge window pull
Several new features and uAPI for iommufd:
 
 - IOMMU_IOAS_MAP_FILE allows passing in a file descriptor as the backing
   memory for an iommu mapping. To date VFIO/iommufd have used VMA's and
   pin_user_pages(), this now allows using memfds and memfd_pin_folios().
   Notably this creates a pure folio path from the memfd to the iommu page
   table where memory is never broken down to PAGE_SIZE.
 
 - IOMMU_IOAS_CHANGE_PROCESS moves the pinned page accounting between two
   processes. Combined with the above this allows iommufd to support a VMM
   re-start using exec() where something like qemu would exec() a new
   version of itself and fd pass the memfds/iommufd/etc to the new
   process. The memfd allows DMA access to the memory to continue while
   the new process is getting setup, and the CHANGE_PROCESS updates all
   the accounting.
 
 - Support for fault reporting to userspace on non-PRI HW, such as ARM
   stall-mode embedded devices.
 
 - IOMMU_VIOMMU_ALLOC introduces the concept of a HW/driver backed virtual
   iommu. This will be used by VMMs to access hardware features that are
   contained with in a VM. The first use is to inform the kernel of the
   virtual SID to physical SID mapping when issuing SID based invalidation
   on ARM. Further uses will tie HW features that are directly accessed by
   the VM, such as invalidation queue assignment and others.
 
 - IOMMU_VDEVICE_ALLOC informs the kernel about the mapping of virtual
   device to physical device within a VIOMMU. Minimially this is used to
   translate VM issued cache invalidation commands from virtual to physical
   device IDs.
 
 - Enhancements to IOMMU_HWPT_INVALIDATE and IOMMU_HWPT_ALLOC to work with
   the VIOMMU
 
 - ARM SMMuv3 support for nested translation. Using the VIOMMU and VDEVICE
   the driver can model this HW's behavior for nested translation. This
   includes a shared branch from Will.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd

Pull iommufd updates from Jason Gunthorpe:
 "Several new features and uAPI for iommufd:

   - IOMMU_IOAS_MAP_FILE allows passing in a file descriptor as the
     backing memory for an iommu mapping. To date VFIO/iommufd have used
     VMA's and pin_user_pages(), this now allows using memfds and
     memfd_pin_folios(). Notably this creates a pure folio path from the
     memfd to the iommu page table where memory is never broken down to
     PAGE_SIZE.

   - IOMMU_IOAS_CHANGE_PROCESS moves the pinned page accounting between
     two processes. Combined with the above this allows iommufd to
     support a VMM re-start using exec() where something like qemu would
     exec() a new version of itself and fd pass the memfds/iommufd/etc
     to the new process. The memfd allows DMA access to the memory to
     continue while the new process is getting setup, and the
     CHANGE_PROCESS updates all the accounting.

   - Support for fault reporting to userspace on non-PRI HW, such as ARM
     stall-mode embedded devices.

   - IOMMU_VIOMMU_ALLOC introduces the concept of a HW/driver backed
     virtual iommu. This will be used by VMMs to access hardware
     features that are contained with in a VM. The first use is to
     inform the kernel of the virtual SID to physical SID mapping when
     issuing SID based invalidation on ARM. Further uses will tie HW
     features that are directly accessed by the VM, such as invalidation
     queue assignment and others.

   - IOMMU_VDEVICE_ALLOC informs the kernel about the mapping of virtual
     device to physical device within a VIOMMU. Minimially this is used
     to translate VM issued cache invalidation commands from virtual to
     physical device IDs.

   - Enhancements to IOMMU_HWPT_INVALIDATE and IOMMU_HWPT_ALLOC to work
     with the VIOMMU

   - ARM SMMuv3 support for nested translation. Using the VIOMMU and
     VDEVICE the driver can model this HW's behavior for nested
     translation. This includes a shared branch from Will"

* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (51 commits)
  iommu/arm-smmu-v3: Import IOMMUFD module namespace
  iommufd: IOMMU_IOAS_CHANGE_PROCESS selftest
  iommufd: Add IOMMU_IOAS_CHANGE_PROCESS
  iommufd: Lock all IOAS objects
  iommufd: Export do_update_pinned
  iommu/arm-smmu-v3: Support IOMMU_HWPT_INVALIDATE using a VIOMMU object
  iommu/arm-smmu-v3: Allow ATS for IOMMU_DOMAIN_NESTED
  iommu/arm-smmu-v3: Use S2FWB for NESTED domains
  iommu/arm-smmu-v3: Support IOMMU_DOMAIN_NESTED
  iommu/arm-smmu-v3: Support IOMMU_VIOMMU_ALLOC
  Documentation: userspace-api: iommufd: Update vDEVICE
  iommufd/selftest: Add vIOMMU coverage for IOMMU_HWPT_INVALIDATE ioctl
  iommufd/selftest: Add IOMMU_TEST_OP_DEV_CHECK_CACHE test command
  iommufd/selftest: Add mock_viommu_cache_invalidate
  iommufd/viommu: Add iommufd_viommu_find_dev helper
  iommu: Add iommu_copy_struct_from_full_user_array helper
  iommufd: Allow hwpt_id to carry viommu_id for IOMMU_HWPT_INVALIDATE
  iommu/viommu: Add cache_invalidate to iommufd_viommu_ops
  iommufd/selftest: Add IOMMU_VDEVICE_ALLOC test coverage
  iommufd/viommu: Add IOMMUFD_OBJ_VDEVICE and IOMMU_VDEVICE_ALLOC ioctl
  ...
2024-11-21 12:40:50 -08:00
Linus Torvalds
51ae62a12c dma-mapping updates for Linux 6.13
- improve the DMA API tracing code (Sean Anderson)
  - misc cleanups (Christoph Hellwig, Sui Jingfeng)
  - fix pointer abuse when finding the shared DMA pool (Geert Uytterhoeven)
  - fix a deadlock in dma-debug (Levi Yun)
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Merge tag 'dma-mapping-6.13-2024-11-19' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - improve the DMA API tracing code (Sean Anderson)

 - misc cleanups (Christoph Hellwig, Sui Jingfeng)

 - fix pointer abuse when finding the shared DMA pool (Geert
   Uytterhoeven)

 - fix a deadlock in dma-debug (Levi Yun)

* tag 'dma-mapping-6.13-2024-11-19' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: save base/size instead of pointer to shared DMA pool
  dma-mapping: fix swapped dir/flags arguments to trace_dma_alloc_sgt_err
  dma-mapping: drop unneeded includes from dma-mapping.h
  dma-mapping: trace more error paths
  dma-mapping: use trace_dma_alloc for dma_alloc* instead of using trace_dma_map
  dma-mapping: trace dma_alloc/free direction
  dma-mapping: use macros to define events in a class
  dma-mapping: remove an outdated comment from dma-map-ops.h
  dma-debug: remove DMA_API_DEBUG_SG
  dma-debug: store a phys_addr_t in struct dma_debug_entry
  dma-debug: fix a possible deadlock on radix_lock
2024-11-21 11:28:39 -08:00
Linus Torvalds
40f48f82a1 configfs updates for Linux 6.13
- remove unused code (Dr. David Alan Gilbert)
  - improve item creation performance (Seamus Connor)
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Merge tag 'configfs-6.13-2024-11-19' of git://git.infradead.org/users/hch/configfs

Pull configfs updates from Christoph Hellwig:

 - remove unused code (Dr. David Alan Gilbert)

 - improve item creation performance (Seamus Connor)

* tag 'configfs-6.13-2024-11-19' of git://git.infradead.org/users/hch/configfs:
  configfs: improve item creation performance
  configfs: remove unused configfs_hash_and_remove
2024-11-21 11:26:38 -08:00
Mark Rutland
a63d7408af arm64: disable ARCH_CORRECT_STACKTRACE_ON_KRETPROBE tests
The kprobes_test suite's test_stacktrace_on_nested_kretprobe() test
currently fails on arm64, e.g.

| KTAP version 1
| 1..1
|     KTAP version 1
|     # Subtest: kprobes_test
|     # module: test_kprobes
|     1..7
|     ok 1 test_kprobe
|     ok 2 test_kprobes
|     ok 3 test_kprobe_missed
|     ok 4 test_kretprobe
|     ok 5 test_kretprobes
|     ok 6 test_stacktrace_on_kretprobe
|     # test_stacktrace_on_nested_kretprobe: EXPECTATION FAILED at lib/test_kprobes.c:327
|     Expected stack_buf[i + 1] == target_return_address[1], but
|         stack_buf[i + 1] == -96519936577004 (0xffffa83733777214)
|         target_return_address[1] == -96519936577136 (0xffffa83733777190)
|     # test_stacktrace_on_nested_kretprobe: EXPECTATION FAILED at lib/test_kprobes.c:338
|     Expected stack_buf[1] == target_return_address[1], but
|         stack_buf[1] == -96519936577004 (0xffffa83733777214)
|         target_return_address[1] == -96519936577136 (0xffffa83733777190)
|     not ok 7 test_stacktrace_on_nested_kretprobe
| # kprobes_test: pass:6 fail:1 skip:0 total:7
| # Totals: pass:6 fail:1 skip:0 total:7
| not ok 1 kprobes_test

The test assumes that when a stacktrace straddles an exception boundary,
no necessary entries will be omitted and no extraneous entries will be
reported, and when unwinding from a kretprobed callee, the next entry in
the trace will be its immediate caller (whether kretprobed or not).

Recently the arm64 stacktrace code was changed to always report the LR
at an exception boundary, where we don't know whether the LR is live.
In the case of the kretprobe trampoline the LR is not live at the time
the stacktrace is performed, and so the entry in the trace for the LR is
extraneous. This can be seen if a call to show_stack() is added to
stacktrace_internal_return_handler():

| Call trace:
|  show_stack+0x18/0x30 (C)
|  stacktrace_internal_return_handler+0x130/0x43c
|  __kretprobe_trampoline_handler+0xa0/0x130
|  kretprobe_breakpoint_handler+0x50/0x70
|  call_break_hook+0x74/0x8c
|  brk_handler+0x1c/0x60
|  do_debug_exception+0x68/0x114
|  el1_dbg+0x70/0x94
|  el1h_64_sync_handler+0xc4/0xe4
|  el1h_64_sync+0x6c/0x70
|  kprobe_stacktrace_target+0x34/0x48 (P)
|  kprobe_stacktrace_target+0x34/0x48 (LK) <-------- extra entry here
|  kprobe_stacktrace_driver+0x24/0x40 (K)
|  test_stacktrace_on_nested_kretprobe+0x84/0x160
|  kunit_try_run_case+0x6c/0x160
|  kunit_generic_run_threadfn_adapter+0x28/0x4c
|  kthread+0x110/0x114
|  ret_from_fork+0x10/0x20

This breaks test_stacktrace_on_nested_kretprobe() because while the
caller (kprobe_stacktrace_driver()) appears in the trace, it doesn't
occur *immediately* after the first instance of callee
(kprobe_stacktrace_target()).

While this behaviour is unfortunate for the kretprobes tests, the
behaviour is desirable elsewhere (e.g. anywhere a human will read the
trace), and is otherwise not harmful.

For the moment, deselect ARCH_CORRECT_STACKTRACE_ON_KRETPROBE on arm64
to disable the tests which depend on this behaviour. With
ARCH_CORRECT_STACKTRACE_ON_KRETPROBE deselected, the remaining tests
work as expected, e.g.

| KTAP version 1
| 1..1
|     KTAP version 1
|     # Subtest: kprobes_test
|     # module: test_kprobes
|     1..5
|     ok 1 test_kprobe
|     ok 2 test_kprobes
|     ok 3 test_kprobe_missed
|     ok 4 test_kretprobe
|     ok 5 test_kretprobes
| # kprobes_test: pass:5 fail:0 skip:0 total:5
| # Totals: pass:5 fail:0 skip:0 total:5
| ok 1 kprobes_test

In future we have several options to improve matters, e.g.

* Add metadata and update arm64's unwinder to skip the LR in this case.
  This is likely to happen as part of work for RELIABLE_STACKTRACE for
  other reasons, and might solve this case by coincidence.

* Modify the kretprobes tests to only require that the caller appears in
  the trace after the callee, rather than requiring that it is
  *immediately* after the callee. We might want separate
  strict/not-strict options for this.

* Use reliable stacktrace for these tests, so that architectures which
  cannot unwind across exception boundaries can explicitly handle this
  by returning an error.

Fixes: c2c6b27b5a ("arm64: stacktrace: unwind exception boundaries")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Kristina Martsenko <kristina.martsenko@arm.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Madhavan T. Venkataraman <madvenka@linux.microsoft.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miroslav Benes <mbenes@suse.cz>
Cc: Puranjay Mohan <puranjay12@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20241118120204.3961548-1-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-11-21 19:12:23 +00:00
Linus Torvalds
fc39fb5691 A few more patches to add sanity checks in jfs
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Merge tag 'jfs-6.13' of github.com:kleikamp/linux-shaggy

Pull jfs updates from Dave Kleikamp:
 "A few more patches to add sanity checks in jfs"

* tag 'jfs-6.13' of github.com:kleikamp/linux-shaggy:
  jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree
  jfs: xattr: check invalid xattr size more strictly
  jfs: fix array-index-out-of-bounds in jfs_readdir
  jfs: fix shift-out-of-bounds in dbSplit
  jfs: array-index-out-of-bounds fix in dtReadFirst
2024-11-21 09:59:59 -08:00
Linus Torvalds
6a550ae556 dlm for 6.13
- Fix recovery of locks that are being converted between PR/CW modes.
 - Fix cleanup of rsb list if recovery is interrupted during recover_members.
 - Fix null dereference in debug code if dlm api is called improperly.
 - Fix wrong args passed to trace function.
 - Move error checks out of add_to_waiters so the function can't fail.
 - Clean up some code for configfs.
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Merge tag 'dlm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:

 - Fix recovery of locks that are being converted between PR/CW modes

 - Fix cleanup of rsb list if recovery is interrupted during
   recover_members

 - Fix null dereference in debug code if dlm api is called improperly

 - Fix wrong args passed to trace function

 - Move error checks out of add_to_waiters so the function can't fail

 - Clean up some code for configfs

* tag 'dlm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: fix dlm_recover_members refcount on error
  dlm: fix recovery of middle conversions
  dlm: make add_to_waiters() that it can't fail
  dlm: dlm_config_info config fields to unsigned int
  dlm: use dlm_config as only cluster configuration
  dlm: handle port as __be16 network byte order
  dlm: disallow different configs nodeid storages
  dlm: fix possible lkb_resource null dereference
  dlm: fix swapped args sb_flags vs sb_status
2024-11-21 09:57:46 -08:00
Jens Axboe
ec9b3ac6e5 nvme updates for Linux 6.13
- Use correct srcu list traversal (Breno)
  - Scatter-gather support for metadata (Keith)
  - Fabrics shutdown race condition fix (Nilay)
  - Persistent reservations updates (Guixin)
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Merge tag 'nvme-6.13-2024-11-21' of git://git.infradead.org/nvme into for-6.13/block

Pull NVMe updates from Keith:

"nvme updates for Linux 6.13

 - Use correct srcu list traversal (Breno)
 - Scatter-gather support for metadata (Keith)
 - Fabrics shutdown race condition fix (Nilay)
 - Persistent reservations updates (Guixin)"

* tag 'nvme-6.13-2024-11-21' of git://git.infradead.org/nvme:
  nvme: tuning pr code by using defined structs and macros
  nvme: introduce change ptpl and iekey definition
  nvme-fabrics: fix kernel crash while shutting down controller
  Revert "nvme: make keep-alive synchronous operation"
  nvme-pci: use sgls for all user requests if possible
  nvme: define the remaining used sgls constants
  nvme-pci: add support for sgl metadata
  nvme/multipath: Fix RCU list traversal to use SRCU primitive
2024-11-21 10:57:34 -07:00
Linus Torvalds
2dde263d81 \n
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Merge tag 'fsnotify_for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull fsnotify updates from Jan Kara:
 "A couple of smaller random fsnotify fixes"

* tag 'fsnotify_for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  fsnotify: Fix ordering of iput() and watched_objects decrement
  fsnotify: fix sending inotify event with unexpected filename
  fanotify: allow reporting errors on failure to open fd
  fsnotify, lsm: Decouple fsnotify from lsm
2024-11-21 09:55:45 -08:00
Linus Torvalds
c01f664e4c \n
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Merge tag 'reiserfs_delete' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull reiserfs removal from Jan Kara:
 "The deprecation period of reiserfs is ending at the end of this year
  so it is time to remove it"

* tag 'reiserfs_delete' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  reiserfs: The last commit
2024-11-21 09:50:18 -08:00
Linus Torvalds
597861d6cd \n
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Merge tag 'for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull quota and isofs updates from Jan Kara:
 "Fix a memory leak in isofs and a cleanup of includes in quota"

* tag 'for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  dquot.c: get rid of include ../internal.h
  isofs: avoid memory leak in iocharset
2024-11-21 09:47:44 -08:00
Linus Torvalds
2edc8f933d New xfs code for 6.13
* convert perag to use xarrays
 * create a new generic allocation group structure
 * Add metadata inode dir trees
 * Create in-core rt allocation groups
 * Shard the RT section into allocation groups
 * Persist quota options with the enw metadata dir tree
 * Enable quota for RT volumes
 * Enable metadata directory trees
 * Some bugfixes
 
 Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-6.13-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs updates from Carlos Maiolino:
 "The bulk of this pull request is a major rework that Darrick and
  Christoph have been doing on XFS's real-time volume, coupled with a
  few features to support this rework. It does also includes some bug
  fixes.

   - convert perag to use xarrays

   - create a new generic allocation group structure

   - add metadata inode dir trees

   - create in-core rt allocation groups

   - shard the RT section into allocation groups

   - persist quota options with the enw metadata dir tree

   - enable quota for RT volumes

   - enable metadata directory trees

   - some bugfixes"

* tag 'xfs-6.13-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (146 commits)
  xfs: port ondisk structure checks from xfs/122 to the kernel
  xfs: separate space btree structures in xfs_ondisk.h
  xfs: convert struct typedefs in xfs_ondisk.h
  xfs: enable metadata directory feature
  xfs: enable realtime quota again
  xfs: update sb field checks when metadir is turned on
  xfs: reserve quota for realtime files correctly
  xfs: create quota preallocation watermarks for realtime quota
  xfs: report realtime block quota limits on realtime directories
  xfs: persist quota flags with metadir
  xfs: advertise realtime quota support in the xqm stat files
  xfs: scrub quota file metapaths
  xfs: fix chown with rt quota
  xfs: use metadir for quota inodes
  xfs: refactor xfs_qm_destroy_quotainos
  xfs: use rtgroup busy extent list for FITRIM
  xfs: implement busy extent tracking for rtgroups
  xfs: port the perag discard code to handle generic groups
  xfs: move the min and max group block numbers to xfs_group
  xfs: adjust min_block usage in xfs_verify_agbno
  ...
2024-11-21 09:20:07 -08:00
Linus Torvalds
90a19b744d Changes since last update:
- Add SEEK_{DATA,HOLE} support;
 
  - Free redundant pclusters if no cached compressed data is valid;
 
  - Add sysfs entry to drop internal caches;
 
  - Several bugfixes & cleanups.
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Merge tag 'erofs-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs updates from Gao Xiang:
 "There is no outstanding feature for this cycle. The most useful
  changes are SEEK_{DATA,HOLE} support and some decompression
  micro-optimization. Other than those, there are some bugfixes and
  cleanups as usual:

   - Add SEEK_{DATA,HOLE} support

   - Free redundant pclusters if no cached compressed data is valid

   - Add sysfs entry to drop internal caches

   - Several bugfixes & cleanups"

* tag 'erofs-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: handle NONHEAD !delta[1] lclusters gracefully
  erofs: clarify direct I/O support
  erofs: fix blksize < PAGE_SIZE for file-backed mounts
  erofs: get rid of `buf->kmap_type`
  erofs: fix file-backed mounts over FUSE
  erofs: simplify definition of the log functions
  erofs: add sysfs node to drop internal caches
  erofs: free pclusters if no cached folio is attached
  erofs: sunset `struct erofs_workgroup`
  erofs: move erofs_workgroup operations into zdata.c
  erofs: get rid of erofs_{find,insert}_workgroup
  erofs: add SEEK_{DATA,HOLE} support
2024-11-21 09:17:33 -08:00
Guixin Liu
029cc98dec nvme: tuning pr code by using defined structs and macros
All the modifications are simply to make the code more readable,
and this patch does not include any functional changes.

Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
2024-11-21 08:57:42 -08:00