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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.

Reported-by: "Daniel K." <dk@uw.no>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Tested-by: Daniel K. <dk@uw.no>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2008-06-19 14:22:28 +02:00 committed by Ingo Molnar
parent d4abc238c9
commit 8a8cde163e
1 changed files with 2 additions and 1 deletions
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3
kernel/sched_rt.c
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@ -250,7 +250,8 @@ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun)
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);