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sched: remove some old cpuset logic
We had support for overlapping cpuset based rto logic in early prototypes that is no longer used, so remove it. Signed-off-by: Gregory Haskins <ghaskins@novell.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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1 changed files with 0 additions and 33 deletions
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@ -586,38 +586,6 @@ static int pull_rt_task(struct rq *this_rq)
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continue;
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continue;
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src_rq = cpu_rq(cpu);
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src_rq = cpu_rq(cpu);
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if (unlikely(src_rq->rt.rt_nr_running <= 1)) {
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/*
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* It is possible that overlapping cpusets
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* will miss clearing a non overloaded runqueue.
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* Clear it now.
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*/
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if (double_lock_balance(this_rq, src_rq)) {
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/* unlocked our runqueue lock */
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struct task_struct *old_next = next;
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next = pick_next_task_rt(this_rq);
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if (next != old_next)
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ret = 1;
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}
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if (likely(src_rq->rt.rt_nr_running <= 1)) {
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/*
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* Small chance that this_rq->curr changed
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* but it's really harmless here.
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*/
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rt_clear_overload(this_rq);
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} else {
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/*
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* Heh, the src_rq is now overloaded, since
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* we already have the src_rq lock, go straight
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* to pulling tasks from it.
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*/
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goto try_pulling;
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}
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spin_unlock(&src_rq->lock);
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continue;
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}
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/*
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/*
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* We can potentially drop this_rq's lock in
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* We can potentially drop this_rq's lock in
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* double_lock_balance, and another CPU could
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* double_lock_balance, and another CPU could
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@ -641,7 +609,6 @@ static int pull_rt_task(struct rq *this_rq)
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continue;
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continue;
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}
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}
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try_pulling:
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p = pick_next_highest_task_rt(src_rq, this_cpu);
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p = pick_next_highest_task_rt(src_rq, this_cpu);
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/*
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/*
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