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sched/rt: Add reschedule check to switched_from_rt()
Reschedule rq->curr if the first RT task has just been pulled to the rq. Signed-off-by: Kirill V Tkhai <tkhai@yandex.ru> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Tkhai Kirill <tkhai@yandex.ru> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/118761353614535@web28f.yandex.ru Signed-off-by: Ingo Molnar <mingo@kernel.org>
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1 changed files with 5 additions and 2 deletions
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@ -1889,8 +1889,11 @@ static void switched_from_rt(struct rq *rq, struct task_struct *p)
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* we may need to handle the pulling of RT tasks
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* now.
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*/
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if (p->on_rq && !rq->rt.rt_nr_running)
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pull_rt_task(rq);
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if (!p->on_rq || rq->rt.rt_nr_running)
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return;
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if (pull_rt_task(rq))
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resched_task(rq->curr);
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}
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void init_sched_rt_class(void)
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