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| author | Rob Clark <robdclark@chromium.org> | 2022-04-11 14:58:38 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2022-04-21 15:03:12 -0700 |
| commit | 95d1deb02a9c93bf9ea8cebe61f0c26cadf43cf9 (patch) | |
| tree | 7e87b1a6478db525016fa59d60c886a124e19d70 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | drm/msm/gem: Split vma lookup and pin (diff) | |
| download | linux-95d1deb02a9c93bf9ea8cebe61f0c26cadf43cf9.tar.gz linux-95d1deb02a9c93bf9ea8cebe61f0c26cadf43cf9.zip | |
drm/msm/gem: Add fenced vma unpin
With userspace allocated iova (next patch), we can have a race condition
where userspace observes the fence completion and deletes the vma before
retire_submit() gets around to unpinning the vma. To handle this, add a
fenced unpin which drops the refcount but tracks the fence, and update
msm_gem_vma_inuse() to check any previously unsignaled fences.
v2: Fix inuse underflow (duplicate unpin)
v3: Fix msm_job_run() vs submit_cleanup() race condition
Signed-off-by: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/20220411215849.297838-10-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions