diff options
| author | Karol Herbst <kherbst@redhat.com> | 2022-04-20 11:57:20 +0200 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2022-05-09 10:36:49 +0300 |
| commit | 3220c3b2115102bb35f8f07d90d2989a3f5eb452 (patch) | |
| tree | 32bb89220688bc961c600bada20cd93a4a4c345a /tools/perf/scripts/python/intel-pt-events.py | |
| parent | c5eb0a61238dd6faf37f58c9ce61c9980aaffd7a (diff) | |
drm/i915: Fix race in __i915_vma_remove_closed
i915_vma_reopen checked if the vma is closed before without taking the
lock. So multiple threads could attempt removing the vma.
Instead the lock needs to be taken before actually checking.
v2: move struct declaration
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.3+
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5732
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Fixes: 155ab8836caa ("drm/i915: Move object close under its own lock")
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220420095720.3331609-1-kherbst@redhat.com
(cherry picked from commit 1df1c79cbb7ac9bf148930be3418973c76ba8dde)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'tools/perf/scripts/python/intel-pt-events.py')
0 files changed, 0 insertions, 0 deletions