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| author | Olivier Langlois <olivier@trillion01.com> | 2024-08-11 21:07:11 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-08-12 21:09:03 +0300 |
| commit | 84f2eecf95018386c145ada19bb45b03bdb80d9e (patch) | |
| tree | ea68b33e4d44a82bed6dd67e86d41bce84894162 /io_uring/fdinfo.h | |
| parent | 8fe8ac24adcd76b12edbfdefa078567bfff117d4 (diff) | |
| download | linux-84f2eecf95018386c145ada19bb45b03bdb80d9e.tar.xz | |
io_uring/napi: check napi_enabled in io_napi_add() before proceeding
doing so avoids the overhead of adding napi ids to all the rings that do
not enable napi.
if no id is added to napi_list because napi is disabled,
__io_napi_busy_loop() will not be called.
Signed-off-by: Olivier Langlois <olivier@trillion01.com>
Fixes: b4ccc4dd1330 ("io_uring/napi: enable even with a timeout of 0")
Link: https://lore.kernel.org/r/bd989ccef5fda14f5fd9888faf4fefcf66bd0369.1723400131.git.olivier@trillion01.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/fdinfo.h')
0 files changed, 0 insertions, 0 deletions