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authorIngo Molnar <mingo@elte.hu>2008-09-19 09:15:50 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-19 09:15:50 +0200
commit5e51900be6c15488b80343d3c3e62d4d605ba9a9 (patch)
tree99e60bbc949e066503b598893998286c8a42861d /kernel/sched_rt.c
parentx86 setup: drop SWAP_DEV (diff)
parentLinux 2.6.27-rc6 (diff)
downloadlinux-5e51900be6c15488b80343d3c3e62d4d605ba9a9.tar.xz
linux-5e51900be6c15488b80343d3c3e62d4d605ba9a9.zip
Merge commit 'v2.6.27-rc6' into x86/cleanups
Diffstat (limited to 'kernel/sched_rt.c')
-rw-r--r--kernel/sched_rt.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 998ba54b4543..552310798dad 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -199,6 +199,8 @@ static inline struct rt_rq *group_rt_rq(struct sched_rt_entity *rt_se)
static inline void sched_rt_rq_enqueue(struct rt_rq *rt_rq)
{
+ if (rt_rq->rt_nr_running)
+ resched_task(rq_of_rt_rq(rt_rq)->curr);
}
static inline void sched_rt_rq_dequeue(struct rt_rq *rt_rq)
@@ -438,9 +440,6 @@ static int sched_rt_runtime_exceeded(struct rt_rq *rt_rq)
{
u64 runtime = sched_rt_runtime(rt_rq);
- if (runtime == RUNTIME_INF)
- return 0;
-
if (rt_rq->rt_throttled)
return rt_rq_throttled(rt_rq);
@@ -491,9 +490,11 @@ static void update_curr_rt(struct rq *rq)
rt_rq = rt_rq_of_se(rt_se);
spin_lock(&rt_rq->rt_runtime_lock);
- rt_rq->rt_time += delta_exec;
- if (sched_rt_runtime_exceeded(rt_rq))
- resched_task(curr);
+ if (sched_rt_runtime(rt_rq) != RUNTIME_INF) {
+ rt_rq->rt_time += delta_exec;
+ if (sched_rt_runtime_exceeded(rt_rq))
+ resched_task(curr);
+ }
spin_unlock(&rt_rq->rt_runtime_lock);
}
}