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| author | Keith Busch <kbusch@kernel.org> | 2020-04-28 17:21:56 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-05-10 01:18:36 +0300 |
| commit | 74943d45eef4db64b1e5c9f7ad1d018576e113c5 (patch) | |
| tree | 1a0d4c8bc6d51ede2b4d4c66f6198b847bc537de /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | b04df85d9a05d7ee4b3f93c1a22312b41a949ec1 (diff) | |
| download | linux-74943d45eef4db64b1e5c9f7ad1d018576e113c5.tar.xz | |
nvme-pci: remove volatile cqes
The completion queue entry is not volatile once the phase is confirmed.
Remove the volatile keywords and check the phase using the appropriate
READ_ONCE() accessor, allowing the compiler to optimize the remaining
completion path.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions