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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-12-16 18:04:40 +0100
committerIngo Molnar <mingo@elte.hu>2009-12-16 19:01:58 +0100
commitefbbd05a595343a413964ad85a2ad359b7b7efbd (patch)
treec1bf0d86134187e127a00067b50b0684c2988860 /kernel/sched.c
parent881232b70b195768a71cd74ff4b4e8ab9502997b (diff)
sched: Add pre and post wakeup hooks
As will be apparent in the next patch, we need a pre wakeup hook for sched_fair task migration, hence rename the post wakeup hook and one pre wakeup. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> LKML-Reference: <20091216170518.114746117@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 297dc441ff9..6c571bdd565 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -2412,6 +2412,10 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state,
if (task_contributes_to_load(p))
rq->nr_uninterruptible--;
p->state = TASK_WAKING;
+
+ if (p->sched_class->task_waking)
+ p->sched_class->task_waking(rq, p);
+
__task_rq_unlock(rq);
cpu = select_task_rq(p, SD_BALANCE_WAKE, wake_flags);
@@ -2475,8 +2479,8 @@ out_running:
p->state = TASK_RUNNING;
#ifdef CONFIG_SMP
- if (p->sched_class->task_wake_up)
- p->sched_class->task_wake_up(rq, p);
+ if (p->sched_class->task_woken)
+ p->sched_class->task_woken(rq, p);
if (unlikely(rq->idle_stamp)) {
u64 delta = rq->clock - rq->idle_stamp;
@@ -2666,8 +2670,8 @@ void wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
trace_sched_wakeup_new(rq, p, 1);
check_preempt_curr(rq, p, WF_FORK);
#ifdef CONFIG_SMP
- if (p->sched_class->task_wake_up)
- p->sched_class->task_wake_up(rq, p);
+ if (p->sched_class->task_woken)
+ p->sched_class->task_woken(rq, p);
#endif
task_rq_unlock(rq, &flags);
}