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| author | Pavel Begunkov <asml.silence@gmail.com> | 2024-01-17 00:57:27 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-01-17 09:45:24 -0700 |
| commit | d381099f980b5f6c3c7e150baf13b0aaefc66c29 (patch) | |
| tree | c53607ec46b10a246c94519271b04f557fb919bf /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | dc12d1799ce710fd90abbe0ced71e7e1ae0894fc (diff) | |
io_uring: clean up local tw add-wait sync
Kill a smp_mb__after_atomic() right before wake_up, it's useless, and
add a comment explaining implicit barriers from cmpxchg and
synchronsation around ->cq_wait_nr with the waiter.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/3007f3c2d53c72b61de56919ef56b53158b8276f.1705438669.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
0 files changed, 0 insertions, 0 deletions