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Subject[RFC PATCH 1/2] sched: change usage of rt_rq->rt_se to rt_rq->tg->rt_se[cpu]
From
This is the first step to remove rt_rq member rt_se because
it have the same meaning with tg->rt_se[cpu]. And the latter
style is also used by CFS.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Rusty Russell <rusty@rustcorp.com.au>
---
kernel/sched_rt.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index f48328a..b175a98 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -199,8 +199,11 @@ static void dequeue_rt_entity(struct
sched_rt_entity *rt_se);

static void sched_rt_rq_enqueue(struct rt_rq *rt_rq)
{
+ int this_cpu = smp_processor_id();
struct task_struct *curr = rq_of_rt_rq(rt_rq)->curr;
- struct sched_rt_entity *rt_se = rt_rq->rt_se;
+ struct sched_rt_entity *rt_se;
+
+ rt_se = rt_rq->tg->rt_se[this_cpu];

if (rt_rq->rt_nr_running) {
if (rt_se && !on_rt_rq(rt_se))
@@ -212,7 +215,10 @@ static void sched_rt_rq_enqueue(struct rt_rq *rt_rq)

static void sched_rt_rq_dequeue(struct rt_rq *rt_rq)
{
- struct sched_rt_entity *rt_se = rt_rq->rt_se;
+ int this_cpu = smp_processor_id();
+ struct sched_rt_entity *rt_se;
+
+ rt_se = rt_rq->tg->rt_se[this_cpu];

if (rt_se && on_rt_rq(rt_se))
dequeue_rt_entity(rt_se);
--
1.6.3.3

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