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SubjectRe: [PATCH 7/7] sched: implement try_to_wake_up_local()
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On Wed, 2009-12-02 at 12:56 +0900, Tejun Heo wrote:

> +++ b/kernel/sched.c
> @@ -2410,6 +2410,10 @@ static inline void ttwu_woken_up(struct task_struct *p, struct rq *rq,
> rq->idle_stamp = 0;
> }
> #endif
> + /*
> + * Wake up is complete, fire wake up notifier. This allows
> + * try_to_wake_up_local() to be called from wake up notifiers.
> + */
> if (success)
> fire_sched_notifiers(p, wakeup);
> }

> @@ -5437,6 +5488,11 @@ need_resched_nonpreemptible:
> if (unlikely(signal_pending_state(prev->state, prev))) {
> prev->state = TASK_RUNNING;
> } else {
> + /*
> + * Fire sleep notifier before changing any scheduler
> + * state. This allows try_to_wake_up_local() to be
> + * called from sleep notifiers.
> + */
> fire_sched_notifiers(prev, sleep);
> deactivate_task(rq, prev, 1);
> }

These two hunks seem to belong to patch 6



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