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io_uring: refactor io_cqring_wake()

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Instead of smp_mb() + __io_cqring_wake() in __io_cq_unlock_post_flush()
use equivalent io_cqring_wake(). With that we can clean it up further
and remove __io_cqring_wake().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/662ee5d898168ac206be06038525e97b64072a46.1680782017.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov
2023-04-06 14:20:09 +01:00
committed by Jens Axboe
parent d73a572df2
commit 6e7248adf8
2 changed files with 4 additions and 13 deletions
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6
io_uring/io_uring.c
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@@ -640,10 +640,8 @@ static inline void __io_cq_unlock_post_flush(struct io_ring_ctx *ctx)
* it will re-check the wakeup conditions once we return we can safely
* skip waking it up.
*/
if (!(ctx->flags & IORING_SETUP_DEFER_TASKRUN)) {
smp_mb();
__io_cqring_wake(ctx);
}
if (!(ctx->flags & IORING_SETUP_DEFER_TASKRUN))
io_cqring_wake(ctx);
}
void io_cq_unlock_post(struct io_ring_ctx *ctx)