diff options
| author | Pavel Begunkov <[email protected]> | 2020-07-30 18:43:50 +0300 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2020-07-30 11:42:21 -0600 |
| commit | 01cec8c18f5ad9c27eee9f21439072832181039e (patch) | |
| tree | 5671fb2c3e87266395efd49695e7af7456ac3aa1 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| 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 <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions