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| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-05-16 22:58:12 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-06-14 08:23:05 -0600 |
| commit | d0acdee296d42e700c16271d9f95085a9c897a53 (patch) | |
| tree | 512cb64aa2e0dd377cfb5c8a92639878e24c6f9a /tools/perf/scripts/python | |
| parent | d068b5068d43353a352b3ec92865f7045fdb213e (diff) | |
io_uring: don't bounce submit_state cachelines
struct io_submit_state contains struct io_comp_state and so
locked_free_*, that renders cachelines around ->locked_free* being
invalidated on most non-inline completions, that may terrorise caches if
submissions and completions are done by different tasks.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/290cb5412b76892e8631978ee8ab9db0c6290dd5.1621201931.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions