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    SubjectRe: [RFC][PATCH 05/22] sched: SCHED_DEADLINE policy implementation
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    On Fri, 2010-10-29 at 08:30 +0200, Raistlin wrote:
    > +static void check_preempt_curr_dl(struct rq *rq, struct task_struct *p,
    > + int flags)
    > +{
    > + if (!dl_task(rq->curr) || (dl_task(p) &&
    > + dl_time_before(p->dl.deadline, rq->curr->dl.deadline)))
    > + resched_task(rq->curr);
    > +}

    every moment now a patch will hit -tip that ensures
    ->check_preempt_curr() is only called when both the current and waking
    task belong to the same sched_class.


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