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sched: Avoid throttle_cfs_rq() racing with period_timer stopping
[pandora-kernel.git]
/
kernel
/
sched_fair.c
diff --git
a/kernel/sched_fair.c
b/kernel/sched_fair.c
index
c261da7
..
5b9e456
100644
(file)
--- a/
kernel/sched_fair.c
+++ b/
kernel/sched_fair.c
@@
-1527,6
+1527,8
@@
static void throttle_cfs_rq(struct cfs_rq *cfs_rq)
cfs_rq->throttled_timestamp = rq->clock;
raw_spin_lock(&cfs_b->lock);
list_add_tail_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq);
+ if (!cfs_b->timer_active)
+ __start_cfs_bandwidth(cfs_b);
raw_spin_unlock(&cfs_b->lock);
}