Commit aede728a authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: don't wake sqpoll in io_cqring_ev_posted 



io_cqring_ev_posted() doesn't need to wake SQPOLL, it's either done by
userspace or with task_work, but no action is required on request
completion. Rip off bits waking it up in io_cqring_ev_posted().

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b49dab27b64cf11f4c50f2f90dcaac123430e05d.1633373302.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 765ff496

fs/io_uring.c

+0 −2
Original line number Diff line number Diff line
@@ -1619,8 +1619,6 @@ static void io_cqring_ev_posted(struct io_ring_ctx *ctx) 
	 */

	if (wq_has_sleeper(&ctx->cq_wait))

		wake_up_all(&ctx->cq_wait);

	if (ctx->sq_data && waitqueue_active(&ctx->sq_data->wait))

		wake_up(&ctx->sq_data->wait);

	if (io_should_trigger_evfd(ctx))

		eventfd_signal(ctx->cq_ev_fd, 1);

	if (waitqueue_active(&ctx->poll_wait))