AcoSail/kernel_optimize_test
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sched: rt: dont stop the period timer when there are tasks wanting to run

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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>
This commit is contained in:
Peter Zijlstra 2008-06-19 14:22:28 +02:00 committed by Ingo Molnar
parent 10b612f440
commit 6c3df25511
1 changed files with 2 additions and 1 deletions
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3
kernel/sched_rt.c
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@ -412,7 +412,8 @@ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun)
if (rt_rq->rt_time || rt_rq->rt_nr_running) if (rt_rq->rt_time || rt_rq->rt_nr_running)
idle = 0; idle = 0;
spin_unlock(&rt_rq->rt_runtime_lock); spin_unlock(&rt_rq->rt_runtime_lock);
} } else if (rt_rq->rt_nr_running)
idle = 0;
if (enqueue) if (enqueue)
sched_rt_rq_enqueue(rt_rq); sched_rt_rq_enqueue(rt_rq);