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sched/rt: Do not submit new work when PI-blocked

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When we are PI-blocked then we want to get things done ASAP.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-vw8et3445km5b8mpihf4trae@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner 2011-07-17 20:46:52 +02:00 • committed by Ingo Molnar
parent 1c4dd99bed
commit 3c7d51843b
2 changed files with 9 additions and 1 deletions
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2
kernel/sched/core.c
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@ -3227,7 +3227,7 @@ need_resched:
static inline void sched_submit_work(struct task_struct *tsk)
{
if (!tsk->state)
if (!tsk->state || tsk_is_pi_blocked(tsk))
return;
/*
* If we are going to sleep and we have plugged IO queued,