diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-03-13 15:26:33 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-03-13 15:26:33 +1100 |
| commit | bed04a4413376265746053be2a9cfbfc80c98ec9 (patch) | |
| tree | 8f582294a655f70496cd08aedeb86de31dbad140 /kernel/sched_rt.c | |
| parent | e37c772e36a7943b2e0bd8f48312e78474c0df15 (diff) | |
| parent | c463be3520065ef8c05e3cbdf946c69604e91ceb (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'kernel/sched_rt.c')
| -rw-r--r-- | kernel/sched_rt.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index f54792b175b..0a6d2e51642 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -393,8 +393,6 @@ static void enqueue_task_rt(struct rq *rq, struct task_struct *p, int wakeup) */ for_each_sched_rt_entity(rt_se) enqueue_rt_entity(rt_se); - - inc_cpu_load(rq, p->se.load.weight); } static void dequeue_task_rt(struct rq *rq, struct task_struct *p, int sleep) @@ -414,8 +412,6 @@ static void dequeue_task_rt(struct rq *rq, struct task_struct *p, int sleep) if (rt_rq && rt_rq->rt_nr_running) enqueue_rt_entity(rt_se); } - - dec_cpu_load(rq, p->se.load.weight); } /* @@ -1111,9 +1107,11 @@ static void prio_changed_rt(struct rq *rq, struct task_struct *p, pull_rt_task(rq); /* * If there's a higher priority task waiting to run - * then reschedule. + * then reschedule. Note, the above pull_rt_task + * can release the rq lock and p could migrate. + * Only reschedule if p is still on the same runqueue. */ - if (p->prio > rq->rt.highest_prio) + if (p->prio > rq->rt.highest_prio && rq->curr == p) resched_task(p); #else /* For UP simply resched on drop of prio */ |