diff options
Diffstat (limited to 'kernel/sched_rt.c')
| -rw-r--r-- | kernel/sched_rt.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index 1144bf55669d..8bfdb3f8a52d 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -175,7 +175,11 @@ static int sched_rt_ratio_exceeded(struct rt_rq *rt_rq) ratio = (period * rt_ratio) >> SCHED_RT_FRAC_SHIFT; if (rt_rq->rt_time > ratio) { + struct rq *rq = rq_of_rt_rq(rt_rq); + + rq->rt_throttled = 1; rt_rq->rt_throttled = 1; + sched_rt_ratio_dequeue(rt_rq); return 1; } @@ -183,18 +187,6 @@ static int sched_rt_ratio_exceeded(struct rt_rq *rt_rq) return 0; } -static void __update_sched_rt_period(struct rt_rq *rt_rq, u64 period) -{ - unsigned long rt_ratio = sched_rt_ratio(rt_rq); - u64 ratio = (period * rt_ratio) >> SCHED_RT_FRAC_SHIFT; - - rt_rq->rt_time -= min(rt_rq->rt_time, ratio); - if (rt_rq->rt_throttled) { - rt_rq->rt_throttled = 0; - sched_rt_ratio_enqueue(rt_rq); - } -} - static void update_sched_rt_period(struct rq *rq) { struct rt_rq *rt_rq; @@ -204,8 +196,18 @@ static void update_sched_rt_period(struct rq *rq) period = (u64)sysctl_sched_rt_period * NSEC_PER_MSEC; rq->rt_period_expire += period; - for_each_leaf_rt_rq(rt_rq, rq) - __update_sched_rt_period(rt_rq, period); + for_each_leaf_rt_rq(rt_rq, rq) { + unsigned long rt_ratio = sched_rt_ratio(rt_rq); + u64 ratio = (period * rt_ratio) >> SCHED_RT_FRAC_SHIFT; + + rt_rq->rt_time -= min(rt_rq->rt_time, ratio); + if (rt_rq->rt_throttled) { + rt_rq->rt_throttled = 0; + sched_rt_ratio_enqueue(rt_rq); + } + } + + rq->rt_throttled = 0; } } |