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Merge commit 'v2.6.37-rc3' into sched/core

Browse source 
Merge reason: Pick up latest fixes.

Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar 2010-11-26 15:03:27 +01:00
commit 22a867d817
412 changed files with 2474 additions and 1329 deletions
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39
kernel/sched.c
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@ -557,18 +557,8 @@ struct rq {
static DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
static inline
void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags)
{
rq->curr->sched_class->check_preempt_curr(rq, p, flags);
/*
* A queue event has occurred, and we're going to schedule. In
* this case, we can save a useless back to back clock update.
*/
if (test_tsk_need_resched(p))
rq->skip_clock_update = 1;
}
static void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags);
static inline int cpu_of(struct rq *rq)
{
@ -1980,6 +1970,31 @@ static inline void check_class_changed(struct rq *rq, struct task_struct *p,
p->sched_class->prio_changed(rq, p, oldprio, running);
}
static void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags)
{
const struct sched_class *class;
if (p->sched_class == rq->curr->sched_class) {
rq->curr->sched_class->check_preempt_curr(rq, p, flags);
} else {
for_each_class(class) {
if (class == rq->curr->sched_class)
break;
if (class == p->sched_class) {
resched_task(rq->curr);
break;
}
}
}
/*
* A queue event has occurred, and we're going to schedule. In
* this case, we can save a useless back to back clock update.
*/
if (test_tsk_need_resched(rq->curr))
rq->skip_clock_update = 1;
}
#ifdef CONFIG_SMP
/*
* Is this task likely cache-hot:
@ -6737,6 +6752,8 @@ static void init_sched_groups_power(int cpu, struct sched_domain *sd)
if (cpu != group_first_cpu(sd->groups))
return;
sd->groups->group_weight = cpumask_weight(sched_group_cpus(sd->groups));
child = sd->child;
sd->groups->cpu_power = 0;