From 0cd3e3ddb4f60062c401929b2005eb7ff6399a4d Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Wed, 6 Oct 2021 16:06:50 +0100 Subject: [PATCH] io_uring: remove extra io_ring_exit_work wake up task_work_add() takes care of waking up the thread, remove useless wake_up_process(). Signed-off-by: Pavel Begunkov Link: https://lore.kernel.org/r/de9a71ee255112dcaed3b5d426be24934e74722c.1633532552.git.asml.silence@gmail.com Signed-off-by: Jens Axboe --- fs/io_uring.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 7918a320104d..383b8f61359d 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -9367,7 +9367,6 @@ static __cold void io_ring_exit_work(struct work_struct *work) ret = task_work_add(node->task, &exit.task_work, TWA_SIGNAL); if (WARN_ON_ONCE(ret)) continue; - wake_up_process(node->task); mutex_unlock(&ctx->uring_lock); wait_for_completion(&exit.completion);