diff options
| author |   Pavel Begunkov <asml.silence@gmail.com> | 2021-02-12 03:23:54 +0000 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-02-12 05:30:25 -0700 |
| commit | 04fc6c802dfacba800f5a5d00bea0ebfcc60f840 (patch) | |
| tree | 4a4ee9b5924d069c1c4d9f64b24ed9634058be1b /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | io_uring: don't duplicate io_req_task_queue() (diff) | |
| download | wireguard-linux-04fc6c802dfacba800f5a5d00bea0ebfcc60f840.tar.xz wireguard-linux-04fc6c802dfacba800f5a5d00bea0ebfcc60f840.zip | |
io_uring: save ctx put/get for task_work submit
Do a little trick in io_ring_ctx_free() briefly taking uring_lock, that
will wait for everyone currently holding it, so we can skip pinning ctx
with ctx->refs for __io_req_task_submit(), which is executed and loses
its refs/reqs while holding the lock.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
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