- Fix the Intel HDR backlight support detection.
- Reverting a w/a to fix a gpu Hang in TGL. The w/a itself was also
for a hang, but in a much rarer scenario. The proper solution need
to be done with help from user space and it will be addressed later.
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Merge tag 'drm-intel-fixes-2021-12-02' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fixing a regression where the backlight brightness control stopped working.
- Fix the Intel HDR backlight support detection.
- Reverting a w/a to fix a gpu Hang in TGL. The w/a itself was also
for a hang, but in a much rarer scenario. The proper solution need
to be done with help from user space and it will be addressed later.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Yakf9hdnR5or+zNP@intel.com
improper error check, some functional fixes too) for vc4, memory leak
fix in dma-buf,
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Merge tag 'drm-misc-fixes-2021-12-02' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Switch back to drm_poll for virtio, multiple fixes (memory leak,
improper error check, some functional fixes too) for vc4, memory leak
fix in dma-buf,
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211202084440.u3b7lbeulj7k3ltg@houat
process_info->lock is used to protect kfd_bo_list, vm_list_head, n_vms
and userptr valid/inval list, svm_range_restore_work and
svm_range_set_attr don't access those, so do not need to take
process_info lock. This will avoid potential circular locking issue.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This change revert previous commits:
9f4f2c1a35 ("drm/amd/amdgpu: fix the kfd pre_reset sequence in sriov")
271fd38ce5 ("drm/amdgpu: move kfd post_reset out of reset_sriov function")
This change moves the amdgpu_amdkfd_pre_reset to an earlier place
in amdgpu_device_reset_sriov, presumably to address the sequence issue
that the first patch was originally meant to fix.
Some register access(GRBM_GFX_CNTL) only be allowed on full access
mode. Move kfd_pre_reset and kfd_post_reset back inside reset_sriov
function.
Fixes: 9f4f2c1a35 ("drm/amd/amdgpu: fix the kfd pre_reset sequence in sriov")
Fixes: 271fd38ce5 ("drm/amdgpu: move kfd post_reset out of reset_sriov function")
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm_gem_object_put calls release_notify callback to free the mem
structure and unreserve_mem_limit, move it down after the last access
of mem and make it conditional call.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
To silence the following Smatch static checker warning:
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:2615
svm_range_restore_pages()
warn: missing error code here? 'get_task_mm()' failed. 'r' = '0'
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Certain USB4 docks do not seem to be able to handle disabling
DSC once it has been enabled on an MST stream. This can result
in blank displays.
[How]
As a work around, always enable DSC on docks exhibiting this issue. The
flag to indicate the use of DSC for MST streams on a USB4 dock is set
during detection of the dock and only cleared when the USB4 dock is
disconnected.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[WHY]
It seems like after a series of plug/unplugs we end up in a situation
where tiled display doesnt support Audio.
[HOW]
The issue seems to be related to when we check streams changed after an
HPD, we should be checking the audio_struct as well to see if any of its
values changed.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Mustapha Ghaddar <mustapha.ghaddar@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
VS and PE requested by repeater should not persist for the sink.
[How]
Clear DPCD lane settings after repeater link training finishes.
Reviewed-by: Wesley Chalmers <wesley.chalmers@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: George Shen <George.Shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
When trying to lightup two 4k60 non-DSC displays behind a branch device
that supports DSC we can't lightup both at once due to bandwidth
limitations - each requires 48 VCPI slots but we only have 63.
[How]
The workaround already exists in the code but is guarded by a CONFIG
that cannot be set by the user and shouldn't need to be.
Check for specific branch device IDs to device whether to enable
the workaround for multiple display scenarios.
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
There is no base reg offset or ip_version set for SDMA2
and SDMA3 on SIENNA_CICHLID, so add them.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Kevin Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
since vkms support atomic KMS interface
Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Acked-by: Alex Deucher <aleander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[WHY]
for sriov odd# vf will modify vcn0 engine ip revision(due to multimedia bandwidth feature),
which will be mismatched with original vcn0 revision
[HOW]
add new version check for vcn0 disabled revision(3, 0, 192), typically modified under
sriov mode
Signed-off-by: Jane Jian <Jane.Jian@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
While working on supporting the Intel HDR backlight interface, I noticed
that there's a couple of laptops that will very rarely manage to boot up
without detecting Intel HDR backlight support - even though it's supported
on the system. One example of such a laptop is the Lenovo P17 1st
generation.
Following some investigation Ville Syrjälä did through the docs they have
available to them, they discovered that there's actually supposed to be a
30ms wait after writing the source OUI before we begin setting up the rest
of the backlight interface.
This seems to be correct, as adding this 30ms delay seems to have
completely fixed the probing issues I was previously seeing. So - let's
start performing a 30ms wait after writing the OUI, which we do in a manner
similar to how we keep track of PPS delays (e.g. record the timestamp of
the OUI write, and then wait for however many ms are left since that
timestamp right before we interact with the backlight) in order to avoid
waiting any longer then we need to. As well, this also avoids us performing
this delay on systems where we don't end up using the HDR backlight
interface.
V3:
* Move last_oui_write into intel_dp
V2:
* Move panel delays into intel_pps
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Fixes: 4a8d79901d ("drm/i915/dp: Enable Intel's HDR backlight interface (only SDR for now)")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.12+
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211130212912.212044-1-lyude@redhat.com
(cherry picked from commit c7c90b0b84)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
For previous version, it uses 'sg_table.nent's to traverse sg_table in pages
free flow.
However, 'sg_table.nents' is reassigned in 'dma_map_sg', it means the number of
created entries in the DMA adderess space.
So, use 'sg_table.nents' in pages free flow will case some pages can't be freed.
Here we should use sg_table.orig_nents to free pages memory, but use the
sgtable helper 'for each_sgtable_sg'(, instead of the previous rather common
helper 'for_each_sg' which maybe cause memory leak) is much better.
Fixes: d963ab0f15 ("dma-buf: system_heap: Allocate higher order pages if available")
Signed-off-by: Guangming <Guangming.Cao@mediatek.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Cc: <stable@vger.kernel.org> # 5.11.*
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211126074904.88388-1-guangming.cao@mediatek.com
This simply adds proper support for panel backlights that can be controlled
via VESA's backlight control protocol, but which also require that we
enable and disable the backlight via PWM instead of via the DPCD interface.
We also enable this by default, in order to fix some people's backlights
that were broken by not having this enabled.
For reference, backlights that require this and use VESA's backlight
interface tend to be laptops with hybrid GPUs, but this very well may
change in the future.
v4:
* Make sure that we call intel_backlight_level_to_pwm() in
intel_dp_aux_vesa_enable_backlight() - vsyrjala
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://gitlab.freedesktop.org/drm/intel/-/issues/3680
Fixes: fe7d52bcca ("drm/i915/dp: Don't use DPCD backlights that need PWM enable/disable")
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.12+
Link: https://patchwork.freedesktop.org/patch/msgid/20211105183342.130810-2-lyude@redhat.com
(cherry picked from commit 04f0d6cc62)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Our current code is supposed to serialise the commits by waiting for all
the drm_crtc_commits associated to the previous HVS state.
However, assuming we have two CRTCs running and being configured and we
configure each one alternately, we end up in a situation where we're
not waiting at all.
Indeed, starting with a state (state 0) where both CRTCs are running,
and doing a commit (state 1) on the first CRTC (CRTC 0), we'll associate
its commit to its assigned FIFO in vc4_hvs_state.
If we get a new commit (state 2), this time affecting the second CRTC
(CRTC 1), the DRM core will allow both commits to execute in parallel
(assuming they don't have any share resources).
Our code in vc4_atomic_commit_tail is supposed to make sure we only get
one commit at a time and serialised by order of submission. It does so
by using for_each_old_crtc_in_state, making sure that the CRTC has a
FIFO assigned, is used, and has a commit pending. If it does, then we'll
wait for the commit before going forward.
During the transition from state 0 to state 1, as our old CRTC state we
get the CRTC 0 state 0, its commit, we wait for it, everything works fine.
During the transition from state 1 to state 2 though, the use of
for_each_old_crtc_in_state is wrong. Indeed, while the code assumes it's
returning the state of the CRTC in the old state (so CRTC 0 state 1), it
actually returns the old state of the CRTC affected by the current
commit, so CRTC 0 state 0 since it wasn't part of state 1.
Due to this, if we alternate between the configuration of CRTC 0 and
CRTC 1, we never actually wait for anything since we should be waiting
on the other every time, but it never is affected by the previous
commit.
Change the logic to, at every commit, look at every FIFO in the previous
HVS state, and if it's in use and has a commit associated to it, wait
for that commit.
Fixes: 9ec03d7f1e ("drm/vc4: kms: Wait on previous FIFO users before a commit")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Tested-by: Jian-Hong Pan <jhp@endlessos.org>
Link: https://lore.kernel.org/r/20211117094527.146275-7-maxime@cerno.tech
Our HVS global state, when duplicated, will also copy the pointer to the
drm_crtc_commit (and increase the reference count) for each FIFO if the
pointer is not NULL.
However, our atomic_setup function will overwrite that pointer without
putting the reference back leading to a memory leak.
Since the commit is only relevant during the atomic commit process, it
doesn't make sense to duplicate the reference to the commit anyway.
Let's remove it.
Fixes: 9ec03d7f1e ("drm/vc4: kms: Wait on previous FIFO users before a commit")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Tested-by: Jian-Hong Pan <jhp@endlessos.org>
Link: https://lore.kernel.org/r/20211117094527.146275-6-maxime@cerno.tech
Commit 9ec03d7f1e ("drm/vc4: kms: Wait on previous FIFO users before a
commit") introduced a wait on the previous commit done on a given HVS
FIFO.
However, we never cleared that pointer once done. Since
drm_crtc_commit_put can free the drm_crtc_commit structure directly if
we were the last user, this means that it can lead to a use-after free
if we were to duplicate the state, and that stale pointer would even be
copied to the new state.
Set the pointer to NULL once we're done with the wait so that we don't
carry over a pointer to a free'd structure.
Fixes: 9ec03d7f1e ("drm/vc4: kms: Wait on previous FIFO users before a commit")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Tested-by: Jian-Hong Pan <jhp@endlessos.org>
Link: https://lore.kernel.org/r/20211117094527.146275-5-maxime@cerno.tech
Commit 9ec03d7f1e ("drm/vc4: kms: Wait on previous FIFO users before a
commit") introduced a global state for the HVS, with each FIFO storing
the current CRTC commit so that we can properly synchronize commits.
However, the refcounting was off and we thus ended up leaking the
drm_crtc_commit structure every commit. Add a drm_crtc_commit_put to
prevent the leakage.
Fixes: 9ec03d7f1e ("drm/vc4: kms: Wait on previous FIFO users before a commit")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Tested-by: Jian-Hong Pan <jhp@endlessos.org>
Link: https://lore.kernel.org/r/20211117094527.146275-4-maxime@cerno.tech
The HVS global state functions return an error pointer, but in most
cases we check if it's NULL, possibly resulting in an invalid pointer
dereference.
Fixes: 9ec03d7f1e ("drm/vc4: kms: Wait on previous FIFO users before a commit")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Tested-by: Jian-Hong Pan <jhp@endlessos.org>
Link: https://lore.kernel.org/r/20211117094527.146275-3-maxime@cerno.tech
Several DRM/KMS atomic commits can run in parallel if they affect
different CRTC. These commits share the global HVS state, so we have
some code to make sure we run commits in sequence. This synchronization
code is one of the first thing that runs in vc4_atomic_commit_tail().
Another constraints we have is that we need to make sure the HVS clock
gets a boost during the commit. That code relies on clk_set_min_rate and
will remove the old minimum and set a new one. We also need another,
temporary, minimum for the duration of the commit.
The algorithm is thus to set a temporary minimum, drop the previous
one, do the commit, and finally set the minimum for the current mode.
However, the part that sets the temporary minimum and drops the older
one runs before the commit synchronization code.
Thus, under the proper conditions, we can end up mixing up the minimums
and ending up with the wrong one for our current step.
To avoid it, let's move the clock setup in the protected section.
Fixes: d7d96c00e5 ("drm/vc4: hvs: Boost the core clock during modeset")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Tested-by: Jian-Hong Pan <jhp@endlessos.org>
Link: https://lore.kernel.org/r/20211117094527.146275-2-maxime@cerno.tech
With the use of dummy events, we can drop virtgpu specific
behavior.
Fixes: cd7f5ca335 ("drm/virtio: implement context init: add virtio_gpu_fence_event")
Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20211122232210.602-3-gurchetansingh@google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The current virtgpu implementation of poll(..) drops events
when VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK is enabled (otherwise
it's like a normal DRM driver).
This is because paravirtualized userspaces receives responses in a
buffer of type BLOB_MEM_GUEST, not by read(..).
To be in line with other DRM drivers and avoid specialized behavior,
it is possible to define a dummy event for virtgpu. Paravirtualized
userspace will now have to call read(..) on the DRM fd to receive the
dummy event.
Fixes: b10790434c ("drm/virtgpu api: create context init feature")
Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20211122232210.602-2-gurchetansingh@google.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Misc fixes all over the place.
Revert of virtio used length validation series: the approach taken does
not seem to work, breaking too many guests in the process. We'll need to
do length validation using some other approach.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull vhost,virtio,vdpa bugfixes from Michael Tsirkin:
"Misc fixes all over the place.
Revert of virtio used length validation series: the approach taken
does not seem to work, breaking too many guests in the process. We'll
need to do length validation using some other approach"
[ This merge also ends up reverting commit f7a36b03a7 ("vsock/virtio:
suppress used length validation"), which came in through the
networking tree in the meantime, and was part of that whole used
length validation series - Linus ]
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vdpa_sim: avoid putting an uninitialized iova_domain
vhost-vdpa: clean irqs before reseting vdpa device
virtio-blk: modify the value type of num in virtio_queue_rq()
vhost/vsock: cleanup removing `len` variable
vhost/vsock: fix incorrect used length reported to the guest
Revert "virtio_ring: validate used buffer length"
Revert "virtio-net: don't let virtio core to validate used length"
Revert "virtio-blk: don't let virtio core to validate used length"
Revert "virtio-scsi: don't let virtio core to validate used buffer length"
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Merge tag 'x86-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build fix from Thomas Gleixner:
"A single fix for a missing __init annotation of prepare_command_line()"
* tag 'x86-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Mark prepare_command_line() __init
left on the idle task's stack when a CPU is brought up after it was brought
down before.
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Merge tag 'sched-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
"A single scheduler fix to ensure that there is no stale KASAN shadow
state left on the idle task's stack when a CPU is brought up after it
was brought down before"
* tag 'sched-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/scs: Reset task stack state in bringup_cpu()
a trace point event as it's not possible to deliver a synchronous signal to
a different task from there.
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Merge tag 'perf-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Thomas Gleixner:
"A single fix for perf to prevent it from sending SIGTRAP to another
task from a trace point event as it's not possible to deliver a
synchronous signal to a different task from there"
* tag 'perf-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Ignore sigtrap for tracepoints destined for other tasks
- Plug a race in the lock handoff which is caused by inconsistency of the
reader and writer path and can lead to corruption of the underlying
counter.
- down_read_trylock() is suboptimal when the lock is contended and
multiple readers trylock concurrently. That's due to the initial value
being read non-atomically which results in at least two compare exchange
loops. Making the initial readout atomic reduces this significantly.
Whith 40 readers by 11% in a benchmark which enforces contention on
mmap_sem.
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Merge tag 'locking-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"Two regression fixes for reader writer semaphores:
- Plug a race in the lock handoff which is caused by inconsistency of
the reader and writer path and can lead to corruption of the
underlying counter.
- down_read_trylock() is suboptimal when the lock is contended and
multiple readers trylock concurrently. That's due to the initial
value being read non-atomically which results in at least two
compare exchange loops. Making the initial readout atomic reduces
this significantly. Whith 40 readers by 11% in a benchmark which
enforces contention on mmap_sem"
* tag 'locking-urgent-2021-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rwsem: Optimize down_read_trylock() under highly contended case
locking/rwsem: Make handoff bit handling more consistent
- The setting of the pid filtering flag tested the "trace only this
pid" case twice, and ignored the "trace everything but this pid" case.
Note, the 5.15 kernel does things a little differently due to the new
sparse pid mask introduced in 5.16, and as the bug was discovered
running the 5.15 kernel, and the first fix was initially done for
that kernel, that fix handled both cases (only pid and all but pid),
but the forward port to 5.16 created this bug.
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Merge tag 'trace-v5.16-rc2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull another tracing fix from Steven Rostedt:
"Fix the fix of pid filtering
The setting of the pid filtering flag tested the "trace only this pid"
case twice, and ignored the "trace everything but this pid" case.
The 5.15 kernel does things a little differently due to the new sparse
pid mask introduced in 5.16, and as the bug was discovered running the
5.15 kernel, and the first fix was initially done for that kernel,
that fix handled both cases (only pid and all but pid), but the
forward port to 5.16 created this bug"
* tag 'trace-v5.16-rc2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Test the 'Do not trace this pid' case in create event
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Merge tag '5.16-rc2-ksmbd-fixes' of git://git.samba.org/ksmbd
Pull ksmbd fixes from Steve French:
"Five ksmbd server fixes, four of them for stable:
- memleak fix
- fix for default data stream on filesystems that don't support xattr
- error logging fix
- session setup fix
- minor doc cleanup"
* tag '5.16-rc2-ksmbd-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix memleak in get_file_stream_info()
ksmbd: contain default data stream even if xattr is empty
ksmbd: downgrade addition info error msg to debug in smb2_get_info_sec()
docs: filesystem: cifs: ksmbd: Fix small layout issues
ksmbd: Fix an error handling path in 'smb2_sess_setup()'
Use the architecture independent Kconfig option PAGE_SIZE_LESS_THAN_64KB
to indicate that VMXNET3 requires a page size smaller than 64kB.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
NTFS_RW code allocates page size dependent arrays on the stack. This
results in build failures if the page size is 64k or larger.
fs/ntfs/aops.c: In function 'ntfs_write_mst_block':
fs/ntfs/aops.c:1311:1: error:
the frame size of 2240 bytes is larger than 2048 bytes
Since commit f22969a660 ("powerpc/64s: Default to 64K pages for 64 bit
book3s") this affects ppc:allmodconfig builds, but other architectures
supporting page sizes of 64k or larger are also affected.
Increasing the maximum frame size for affected architectures just to
silence this error does not really help. The frame size would have to
be set to a really large value for 256k pages. Also, a large frame size
could potentially result in stack overruns in this code and elsewhere
and is therefore not desirable. Make NTFS_RW dependent on page sizes
smaller than 64k instead.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
NTFS_RW and VMXNET3 require a page size smaller than 64kB. Add generic
Kconfig option for use outside architecture code to avoid architecture
specific Kconfig options in that code.
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When creating a new event (via a module, kprobe, eprobe, etc), the
descriptors that are created must add flags for pid filtering if an
instance has pid filtering enabled, as the flags are used at the time the
event is executed to know if pid filtering should be done or not.
The "Only trace this pid" case was added, but a cut and paste error made
that case checked twice, instead of checking the "Trace all but this pid"
case.
Link: https://lore.kernel.org/all/202111280401.qC0z99JB-lkp@intel.com/
Fixes: 6cb206508b ("tracing: Check pid filtering when creating events")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
- Fix buffer resource leak that could lead to livelock on corrupt fs.
- Remove unused function xfs_inew_wait to shut up the build robots.
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Merge tag 'xfs-5.16-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"Fixes for a resource leak and a build robot complaint about totally
dead code:
- Fix buffer resource leak that could lead to livelock on corrupt fs.
- Remove unused function xfs_inew_wait to shut up the build robots"
* tag 'xfs-5.16-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: remove xfs_inew_wait
xfs: Fix the free logic of state in xfs_attr_node_hasname
- Fix an accounting problem where unaligned inline data reads can run
off the end of the read iomap iterator. iomap has historically
required that inline data mappings only exist at the end of a file,
though this wasn't documented anywhere.
- Document iomap_read_inline_data and change its return type to be
appropriate for the information that it's actually returning.
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Merge tag 'iomap-5.16-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap fixes from Darrick Wong:
"A single iomap bug fix and a cleanup for 5.16-rc2.
The bug fix changes how iomap deals with reading from an inline data
region -- whereas the current code (incorrectly) lets the iomap read
iter try for more bytes after reading the inline region (which zeroes
the rest of the page!) and hopes the next iteration terminates, we
surveyed the inlinedata implementations and realized that all
inlinedata implementations also require that the inlinedata region end
at EOF, so we can simply terminate the read.
The second patch documents these assumptions in the code so that
they're not subtle implications anymore, and cleans up some of the
grosser parts of that function.
Summary:
- Fix an accounting problem where unaligned inline data reads can run
off the end of the read iomap iterator. iomap has historically
required that inline data mappings only exist at the end of a file,
though this wasn't documented anywhere.
- Document iomap_read_inline_data and change its return type to be
appropriate for the information that it's actually returning"
* tag 'iomap-5.16-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: iomap_read_inline_data cleanup
iomap: Fix inline extent handling in iomap_readpage
- Have created events reflect the current state of pid filtering
- Test pid filtering on discard test of recorded logic.
(Also clean up the if statement to be cleaner).
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Merge tag 'trace-v5.16-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Two fixes to event pid filtering:
- Make sure newly created events reflect the current state of pid
filtering
- Take pid filtering into account when recording trigger events.
(Also clean up the if statement to be cleaner)"
* tag 'trace-v5.16-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix pid filtering when triggers are attached
tracing: Check pid filtering when creating events
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Merge tag 'io_uring-5.16-2021-11-27' of git://git.kernel.dk/linux-block
Pull more io_uring fixes from Jens Axboe:
"The locking fixup that was applied earlier this rc has both a deadlock
and IRQ safety issue, let's get that ironed out before -rc3. This
contains:
- Link traversal locking fix (Pavel)
- Cancelation fix (Pavel)
- Relocate cond_resched() for huge buffer chain freeing, avoiding a
softlockup warning (Ye)
- Fix timespec validation (Ye)"
* tag 'io_uring-5.16-2021-11-27' of git://git.kernel.dk/linux-block:
io_uring: Fix undefined-behaviour in io_issue_sqe
io_uring: fix soft lockup when call __io_remove_buffers
io_uring: fix link traversal locking
io_uring: fail cancellation for EXITING tasks
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Merge tag 'block-5.16-2021-11-27' of git://git.kernel.dk/linux-block
Pull more block fixes from Jens Axboe:
"Turns out that the flushing out of pending fixes before the
Thanksgiving break didn't quite work out in terms of timing, so here's
a followup set of fixes:
- rq_qos_done() should be called regardless of whether or not we're
the final put of the request, it's not related to the freeing of
the state. This fixes an IO stall with wbt that a few users have
reported, a regression in this release.
- Only define zram_wb_devops if it's used, fixing a compilation
warning for some compilers"
* tag 'block-5.16-2021-11-27' of git://git.kernel.dk/linux-block:
zram: only make zram_wb_devops for CONFIG_ZRAM_WRITEBACK
block: call rq_qos_done() before ref check in batch completions
Twelve fixes, eleven in drivers (target, qla2xx, scsi_debug, mpt3sas,
ufs). The core fix is a minor correction to the previous state update
fix for the iscsi daemons.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Twelve fixes, eleven in drivers (target, qla2xx, scsi_debug, mpt3sas,
ufs). The core fix is a minor correction to the previous state update
fix for the iscsi daemons"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_debug: Zero clear zones at reset write pointer
scsi: core: sysfs: Fix setting device state to SDEV_RUNNING
scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()
scsi: target: configfs: Delete unnecessary checks for NULL
scsi: target: core: Use RCU helpers for INQUIRY t10_alua_tg_pt_gp
scsi: mpt3sas: Fix incorrect system timestamp
scsi: mpt3sas: Fix system going into read-only mode
scsi: mpt3sas: Fix kernel panic during drive powercycle test
scsi: ufs: ufs-mediatek: Add put_device() after of_find_device_by_node()
scsi: scsi_debug: Fix type in min_t to avoid stack OOB
scsi: qla2xxx: edif: Fix off by one bug in qla_edif_app_getfcinfo()
scsi: ufs: ufshpb: Fix warning in ufshpb_set_hpb_read_to_upiu()
Highlights include:
Stable fixes:
- NFSv42: Fix pagecache invalidation after COPY/CLONE
Bugfixes:
- NFSv42: Don't fail clone() just because the server failed to return
post-op attributes
- SUNRPC: use different lockdep keys for INET6 and LOCAL
- NFSv4.1: handle NFS4ERR_NOSPC from CREATE_SESSION
- SUNRPC: fix header include guard in trace header
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Merge tag 'nfs-for-5.16-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
"Highlights include:
Stable fixes:
- NFSv42: Fix pagecache invalidation after COPY/CLONE
Bugfixes:
- NFSv42: Don't fail clone() just because the server failed to return
post-op attributes
- SUNRPC: use different lockdep keys for INET6 and LOCAL
- NFSv4.1: handle NFS4ERR_NOSPC from CREATE_SESSION
- SUNRPC: fix header include guard in trace header"
* tag 'nfs-for-5.16-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: use different lock keys for INET6 and LOCAL
sunrpc: fix header include guard in trace header
NFSv4.1: handle NFS4ERR_NOSPC by CREATE_SESSION
NFSv42: Fix pagecache invalidation after COPY/CLONE
NFS: Add a tracepoint to show the results of nfs_set_cache_invalid()
NFSv42: Don't fail clone() unless the OP_CLONE operation failed
