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authorMark Brown <broonie@linaro.org>2014-01-17 15:52:17 +0000
committerMark Brown <broonie@linaro.org>2014-01-17 15:52:17 +0000
commit81e53d0470878165a300d75ac06a5bc5eee543a2 (patch)
tree5fdaacfb350c5a290109f98ab29e9858f1f11469 /kernel/sched/rt.c
parent15e0964dc2a097de3cf518badf2237b6b6adf7fe (diff)
parentfcb4ed749c776a2ae89ca40343cbccb6f8981e60 (diff)
Merge branches 'topic/sc18is602' and 'topic/rspi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-bpw
Diffstat (limited to 'kernel/sched/rt.c')
-rw-r--r--kernel/sched/rt.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 7d57275fc39..1c4065575fa 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -901,6 +901,13 @@ inc_rt_prio_smp(struct rt_rq *rt_rq, int prio, int prev_prio)
{
struct rq *rq = rq_of_rt_rq(rt_rq);
+#ifdef CONFIG_RT_GROUP_SCHED
+ /*
+ * Change rq's cpupri only if rt_rq is the top queue.
+ */
+ if (&rq->rt != rt_rq)
+ return;
+#endif
if (rq->online && prio < prev_prio)
cpupri_set(&rq->rd->cpupri, rq->cpu, prio);
}
@@ -910,6 +917,13 @@ dec_rt_prio_smp(struct rt_rq *rt_rq, int prio, int prev_prio)
{
struct rq *rq = rq_of_rt_rq(rt_rq);
+#ifdef CONFIG_RT_GROUP_SCHED
+ /*
+ * Change rq's cpupri only if rt_rq is the top queue.
+ */
+ if (&rq->rt != rt_rq)
+ return;
+#endif
if (rq->online && rt_rq->highest_prio.curr != prev_prio)
cpupri_set(&rq->rd->cpupri, rq->cpu, rt_rq->highest_prio.curr);
}