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author | Takashi Iwai <tiwai@suse.de> | 2010-12-13 09:29:52 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2010-12-13 09:29:52 +0100 |
commit | 354d14b3f53cc749c5d26d4ba7280d1e931d6bc4 (patch) | |
tree | 59b597e44902d8db8bde7deac1e7e707327c6fe6 /kernel/sched.c | |
parent | 5144c534d16529bc469396211131e8935589f833 (diff) | |
parent | 5b84ba26a9672e615897234fa5efd3eea2d6b295 (diff) | |
download | op-kernel-dev-354d14b3f53cc749c5d26d4ba7280d1e931d6bc4.zip op-kernel-dev-354d14b3f53cc749c5d26d4ba7280d1e931d6bc4.tar.gz |
Merge branch 'topic/workq-update' into topic/misc
Diffstat (limited to 'kernel/sched.c')
-rw-r--r-- | kernel/sched.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index aa14a56..dc91a4d 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -560,18 +560,8 @@ 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) { @@ -2118,6 +2108,31 @@ 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: @@ -6960,6 +6975,8 @@ 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; |