[PATCH] sched: don't awaken RT tasks on expired array

8a5bc075 · Mike Galbraith <[email protected]> · 2006-04-10 22:52:45 -07:00

RT tasks are being awakened on the expired array when expired_starving() is
true, whereas they really should be excluded.  Fix.

Signed-off-by: Mike Galbraith <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Cc: Con Kolivas <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: 8a5bc075b8d8cf7a87b3f08fad2fba0f5d13295e
Parents: 5ce74abe

Changes

1 files changed · +1 −1

File	Status	Add	Del	Content
kernel/sched.c	modified	+1	−1	View file

kernel/sched.c

View file

diff --git a/kernel/sched.c b/kernel/sched.c
index 2e8a146..365f0b9 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -713,7 +713,7 @@ static void __activate_task(task_t *p, runqueue_t *rq)
 {
 	prio_array_t *target = rq->active;
 
-	if (unlikely(batch_task(p) || expired_starving(rq)))
+	if (unlikely(batch_task(p) || (expired_starving(rq) && !rt_task(p))))
 		target = rq->expired;
 	enqueue_task(p, target);
 	rq->nr_running++;