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 <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/de9a71ee255112dcaed3b5d426be24934e74722c.1633532552.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 7918a320104d16c2dd5051f8dcce346b677a173d..383b8f61359d0f44444333c9e9c5518d76f25a50 100644 (file)
--- 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);