diff mbox series

[for-next,2/4] io_uring: improve io_run_task_work()

Message ID 75d4f34b0c671075892821a409e28da6cb1d64fe.1655802465.git.asml.silence@gmail.com (mailing list archive)
State New
Headers show
Series random 5.20 patches | expand

Commit Message

Pavel Begunkov June 21, 2022, 9:09 a.m. UTC 
Since SQPOLL now uses TWA_SIGNAL_NO_IPI, there won't be task work items
without TIF_NOTIFY_SIGNAL. Simplify io_run_task_work() by removing
task->task_works check. Even though looks it doesn't cause extra cache
bouncing, it's still nice to not touch it an extra time when it might be
not cached.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 io_uring/io_uring.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h
index 7a00bbe85d35..4c4d38ffc5ec 100644
--- a/io_uring/io_uring.h
+++ b/io_uring/io_uring.h
@@ -203,7 +203,7 @@  static inline unsigned int io_sqring_entries(struct io_ring_ctx *ctx)
 
 static inline bool io_run_task_work(void)
 {
-	if (test_thread_flag(TIF_NOTIFY_SIGNAL) || task_work_pending(current)) {
+	if (test_thread_flag(TIF_NOTIFY_SIGNAL)) {
 		__set_current_state(TASK_RUNNING);
 		clear_notify_signal();
 		if (task_work_pending(current))