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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-03-03 18:49:24 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-03-03 18:49:24 (GMT) |
| commit | 0c0bd34a142963ca3454f530e47ce1c230d8cc9d (patch) | |
| tree | e4e933d2c2c27e6820f25d87d00d1f439c28ea44 /kernel/sched/rt.c | |
| parent | 148b59c60cd4a2745d8f727c2579cffe4a88afd8 (diff) | |
| parent | faa5993736d9b44b508cab4f1f3a77d66641c6f4 (diff) | |
| download | linux-0c0bd34a142963ca3454f530e47ce1c230d8cc9d.tar.xz | |
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Misc fixes, most of them SCHED_DEADLINE fallout"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/deadline: Prevent rt_time growth to infinity
sched/deadline: Switch CPU's presence test order
sched/deadline: Cleanup RT leftovers from {inc/dec}_dl_migration
sched: Fix double normalization of vruntime
Diffstat (limited to 'kernel/sched/rt.c')
| -rw-r--r-- | kernel/sched/rt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index a2740b7..1999021 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -538,6 +538,14 @@ static inline struct rt_bandwidth *sched_rt_bandwidth(struct rt_rq *rt_rq) #endif /* CONFIG_RT_GROUP_SCHED */ +bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) +{ + struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq); + + return (hrtimer_active(&rt_b->rt_period_timer) || + rt_rq->rt_time < rt_b->rt_runtime); +} + #ifdef CONFIG_SMP /* * We ran out of runtime, see if we can borrow some from our neighbours. |