| commit | 01cec8c18f5ad9c27eee9f21439072832181039e | [log] [tgz] |
|---|---|---|
| author | Pavel Begunkov <asml.silence@gmail.com> | Thu Jul 30 18:43:50 2020 +0300 |
| committer | Jens Axboe <axboe@kernel.dk> | Thu Jul 30 11:42:21 2020 -0600 |
| tree | 5671fb2c3e87266395efd49695e7af7456ac3aa1 | |
| parent | 4693014340808e7f099e302c1dc40e9d79ff7667 [diff] |
io_uring: get rid of atomic FAA for cq_timeouts If ->cq_timeouts modifications are done under ->completion_lock, we don't really nee any fetch-and-add and other complex atomics. Replace it with non-atomic FAA, that saves an implicit full memory barrier. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>