sched: rt: dont stop the period timer when there are tasks wanting to run
So if the group ever gets throttled, it will never wake up again.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: "Daniel K." <dk@uw.no>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reported-by: "Daniel K." <dk@uw.no>
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 61d5211..bd90c8b 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -412,7 +412,8 @@
if (rt_rq->rt_time || rt_rq->rt_nr_running)
idle = 0;
spin_unlock(&rt_rq->rt_runtime_lock);
- }
+ } else if (rt_rq->rt_nr_running)
+ idle = 0;
if (enqueue)
sched_rt_rq_enqueue(rt_rq);