diff options
| author | Pierre Ossman <drzeus@drzeus.cx> | 2008-12-31 19:56:05 +0100 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2008-12-31 19:56:05 +0100 |
| commit | 418f19ea17a99421b22a64e101e14b6a16bed66d (patch) | |
| tree | 7c21fcc368c63f1f9907deac6d16b30bd371792d /kernel/sched_fair.c | |
| parent | 98444d3dd975653a4a970ecc0dfc30918da92f60 (diff) | |
| parent | f6e10b865c3ea56bdaa8c6ecfee313b997900dbb (diff) | |
Merge branch 'master' of ../mmc
Diffstat (limited to 'kernel/sched_fair.c')
| -rw-r--r-- | kernel/sched_fair.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 98345e45b059..5ad4440f0fc4 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -492,6 +492,8 @@ static void update_curr(struct cfs_rq *cfs_rq) * overflow on 32 bits): */ delta_exec = (unsigned long)(now - curr->exec_start); + if (!delta_exec) + return; __update_curr(cfs_rq, curr, delta_exec); curr->exec_start = now; @@ -1345,12 +1347,11 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int sync) { struct task_struct *curr = rq->curr; struct sched_entity *se = &curr->se, *pse = &p->se; + struct cfs_rq *cfs_rq = task_cfs_rq(curr); - if (unlikely(rt_prio(p->prio))) { - struct cfs_rq *cfs_rq = task_cfs_rq(curr); + update_curr(cfs_rq); - update_rq_clock(rq); - update_curr(cfs_rq); + if (unlikely(rt_prio(p->prio))) { resched_task(curr); return; } |