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Subject[PATCH 2/4] sched/rt: Add accessors rq_of_rt_se()
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Date
Two accessors for RT_GROUP_SCHED and !RT_GROUP_SCHED cases.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
CC: Peter Zijlstra <peterz@infradead.org>
CC: Ingo Molnar <mingo@kernel.org>
---
kernel/sched/rt.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index e4def13..93810d2 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -112,6 +112,13 @@ static inline struct rt_rq *rt_rq_of_se(struct sched_rt_entity *rt_se)
return rt_se->rt_rq;
}

+static inline struct rq *rq_of_rt_se(struct sched_rt_entity *rt_se)
+{
+ struct rt_rq *rt_rq = rt_se->rt_rq;
+
+ return rt_rq->rq;
+}
+
void free_rt_sched_group(struct task_group *tg)
{
int i;
@@ -211,10 +218,16 @@ static inline struct rq *rq_of_rt_rq(struct rt_rq *rt_rq)
return container_of(rt_rq, struct rq, rt);
}

-static inline struct rt_rq *rt_rq_of_se(struct sched_rt_entity *rt_se)
+static inline struct rq *rq_of_rt_se(struct sched_rt_entity *rt_se)
{
struct task_struct *p = rt_task_of(rt_se);
- struct rq *rq = task_rq(p);
+
+ return task_rq(p);
+}
+
+static inline struct rt_rq *rt_rq_of_se(struct sched_rt_entity *rt_se)
+{
+ struct rq *rq = rq_of_rt_se(rt_se);

return &rq->rt;
}





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