io_uring: replace cmpxchg in fallback with xchg

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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>

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Pavel Begunkov 2021-02-28 22:04:54 +00:00 • committed by Jens Axboe

parent 2c32395d81

commit 28c4721b80

1 changed files with 2 additions and 6 deletions

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fs/io_uring.c

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