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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>
This commit is contained in:
Gregory Haskins 2008-01-25 21:08:23 +01:00 committed by Ingo Molnar
parent cdc8eb984c
commit c49443c538
1 changed files with 0 additions and 33 deletions
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33
kernel/sched_rt.c
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@ -586,38 +586,6 @@ static int pull_rt_task(struct rq *this_rq)
continue;
src_rq = cpu_rq(cpu);
if (unlikely(src_rq->rt.rt_nr_running <= 1)) {
/*
* It is possible that overlapping cpusets
* will miss clearing a non overloaded runqueue.
* Clear it now.
*/
if (double_lock_balance(this_rq, src_rq)) {
/* unlocked our runqueue lock */
struct task_struct *old_next = next;
next = pick_next_task_rt(this_rq);
if (next != old_next)
ret = 1;
}
if (likely(src_rq->rt.rt_nr_running <= 1)) {
/*
* Small chance that this_rq->curr changed
* but it's really harmless here.
*/
rt_clear_overload(this_rq);
} else {
/*
* Heh, the src_rq is now overloaded, since
* we already have the src_rq lock, go straight
* to pulling tasks from it.
*/
goto try_pulling;
}
spin_unlock(&src_rq->lock);
continue;
}
/*
* We can potentially drop this_rq's lock in
* double_lock_balance, and another CPU could
@ -641,7 +609,6 @@ static int pull_rt_task(struct rq *this_rq)
continue;
}
try_pulling:
p = pick_next_highest_task_rt(src_rq, this_cpu);
/*