X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=io_uring%2Fio_uring.h;h=50bc3af449534ca8cf7b02957c09e3acb224541e;hb=644e9524388a5dbc6d4f58c492ee9ef7bd4ddf4d;hp=e99a79f2df9b18365559d6623133f77fdb60e3a6;hpb=8f2975c2bb4c6fd43d778db55481fc11806c8773;p=platform%2Fkernel%2Flinux-starfive.git

diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h
index e99a79f..50bc3af 100644
--- a/io_uring/io_uring.h
+++ b/io_uring/io_uring.h
@@ -17,8 +17,8 @@ enum {
 	IOU_ISSUE_SKIP_COMPLETE	= -EIOCBQUEUED,
 
 	/*
-	 * Intended only when both REQ_F_POLLED and REQ_F_APOLL_MULTISHOT
-	 * are set to indicate to the poll runner that multishot should be
+	 * Intended only when both IO_URING_F_MULTISHOT is passed
+	 * to indicate to the poll runner that multishot should be
 	 * removed and the result is set on req->cqe.res.
 	 */
 	IOU_STOP_MULTISHOT	= -ECANCELED,
@@ -238,9 +238,14 @@ static inline unsigned int io_sqring_entries(struct io_ring_ctx *ctx)
 
 static inline int io_run_task_work(void)
 {
+	/*
+	 * Always check-and-clear the task_work notification signal. With how
+	 * signaling works for task_work, we can find it set with nothing to
+	 * run. We need to clear it for that case, like get_signal() does.
+	 */
+	if (test_thread_flag(TIF_NOTIFY_SIGNAL))
+		clear_notify_signal();
 	if (task_work_pending(current)) {
-		if (test_thread_flag(TIF_NOTIFY_SIGNAL))
-			clear_notify_signal();
 		__set_current_state(TASK_RUNNING);
 		task_work_run();
 		return 1;