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(parent: db25776) | patch
io_uring: replace cmpxchg in fallback with xchg
authorPavel Begunkov <asml.silence@gmail.com>
Sun, 28 Feb 2021 22:04:54 +0000 (22:04 +0000)
committerJens Axboe <axboe@kernel.dk>
Tue, 2 Mar 2021 16:46:05 +0000 (09:46 -0700)
commit24b50da8830cd064f72adeb464c73f69edc13e24
treec8bf0cf252d5806f97e3de02a1b865da48cbc454tree
parentdb25776ca6ce05b374defd8e19abae469c86e4f3commit | diff
io_uring: replace cmpxchg in fallback with xchg

io_run_ctx_fallback() can use xchg() instead of cmpxchg(). It's simpler
and faster.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)