diff options
| author | Chris Wilson <[email protected]> | 2020-01-28 17:16:14 +0000 |
|---|---|---|
| committer | Chris Wilson <[email protected]> | 2020-01-29 13:13:50 +0000 |
| commit | 8a5746982e0fdabae85990d90a9b80e107fcd450 (patch) | |
| tree | 47785698f67c2f75546d4f45c0b76094db6380e9 /drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | |
| parent | ba12993c5228015c42dc46d634f5fa5717206c3b (diff) | |
drm/i915/execlist: Mark up racy read of execlists->pending[0]
We write to execlists->pending[0] in process_csb() to acknowledge the
completion of the ESLP update, outside of the main spinlock. When we
check the current status of the previous submission in
__execlists_submission_tasklet() we should therefore use READ_ONCE() to
reflect and document the unsynchronized read.
Signed-off-by: Chris Wilson <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Reviewed-by: Mika Kuoppala <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c')
0 files changed, 0 insertions, 0 deletions