From: Willy Tarreau <w@1wt.eu>
Date: Fri, 31 Jan 2020 15:37:34 +0000 (+0100)
Subject: MINOR: task: detect self-wakeups on tl==sched->current instead of TASK_RUNNING
X-Git-Tag: v2.2-dev2~50
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b30a153cd1238b156d558adf42468af362c10b73;p=thirdparty%2Fhaproxy.git

MINOR: task: detect self-wakeups on tl==sched->current instead of TASK_RUNNING

This is exactly what we want to detect (a task/tasklet waking itself),
so let's use the proper condition for this.
---

diff --git a/include/proto/task.h b/include/proto/task.h
index 53119b9d0d..68a0a18d1b 100644
--- a/include/proto/task.h
+++ b/include/proto/task.h
@@ -248,7 +248,7 @@ static inline void tasklet_wakeup(struct tasklet *tl)
 			if (tl->state & TASK_SELF_WAKING) {
 				LIST_ADDQ(&task_per_thread[tid].tasklets[TL_BULK], &tl->list);
 			}
-			else if (tl->state & TASK_RUNNING) {
+			else if ((struct task *)tl == sched->current) {
 				_HA_ATOMIC_OR(&tl->state, TASK_SELF_WAKING);
 				LIST_ADDQ(&task_per_thread[tid].tasklets[TL_BULK], &tl->list);
 			}