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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-10 22:08:59 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-10 22:08:59 +0100 |
| commit | bf98f77888c92fa3aeb28791ba3b5c30675076f3 (patch) | |
| tree | 88a25f66e0158028e5fa29d671ca4ec06283293f | |
| parent | Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/t... (diff) | |
| parent | sched: Fix sched rt group scheduling when hierachy is enabled (diff) | |
| download | linux-bf98f77888c92fa3aeb28791ba3b5c30675076f3.tar.xz linux-bf98f77888c92fa3aeb28791ba3b5c30675076f3.zip | |
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Fix sched rt group scheduling when hierachy is enabled
| -rw-r--r-- | kernel/sched_rt.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index ad6267714c84..01f75a5f17af 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -210,11 +210,12 @@ static void dequeue_rt_entity(struct sched_rt_entity *rt_se); static void sched_rt_rq_enqueue(struct rt_rq *rt_rq) { - int this_cpu = smp_processor_id(); struct task_struct *curr = rq_of_rt_rq(rt_rq)->curr; struct sched_rt_entity *rt_se; - rt_se = rt_rq->tg->rt_se[this_cpu]; + int cpu = cpu_of(rq_of_rt_rq(rt_rq)); + + rt_se = rt_rq->tg->rt_se[cpu]; if (rt_rq->rt_nr_running) { if (rt_se && !on_rt_rq(rt_se)) @@ -226,10 +227,10 @@ static void sched_rt_rq_enqueue(struct rt_rq *rt_rq) static void sched_rt_rq_dequeue(struct rt_rq *rt_rq) { - int this_cpu = smp_processor_id(); struct sched_rt_entity *rt_se; + int cpu = cpu_of(rq_of_rt_rq(rt_rq)); - rt_se = rt_rq->tg->rt_se[this_cpu]; + rt_se = rt_rq->tg->rt_se[cpu]; if (rt_se && on_rt_rq(rt_se)) dequeue_rt_entity(rt_se); @@ -565,8 +566,11 @@ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun) if (rt_rq->rt_time || rt_rq->rt_nr_running) idle = 0; raw_spin_unlock(&rt_rq->rt_runtime_lock); - } else if (rt_rq->rt_nr_running) + } else if (rt_rq->rt_nr_running) { idle = 0; + if (!rt_rq_throttled(rt_rq)) + enqueue = 1; + } if (enqueue) sched_rt_rq_enqueue(rt_rq); |