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Message-ID: <20071023165044.5536.32230.stgit@novell1.haskins.net>
Date: Tue, 23 Oct 2007 12:50:44 -0400
From: Gregory Haskins <ghaskins@...ell.com>
To: linux-rt-users@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
Gregory Haskins <ghaskins@...ell.com>,
Steven Rostedt <rostedt@...dmis.org>,
Dmitry Adamushko <dmitry.adamushko@...il.com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Ingo Molnar <mingo@...e.hu>, Darren Hart <dvhltc@...ibm.com>
Subject: [PATCH 04/13] RT: Wrap the RQ notion of priority to make it
conditional
A little cleanup to avoid #ifdef proliferation later in the series
Signed-off-by: Gregory Haskins <ghaskins@...ell.com>
---
kernel/sched.c | 16 +++++++++++++---
1 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index e22eec7..dfd0b92 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -365,6 +365,16 @@ struct rq {
static DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
static DEFINE_MUTEX(sched_hotcpu_mutex);
+#if defined(CONFIG_PREEMPT_RT) && defined(CONFIG_SMP)
+static inline void set_rq_prio(struct rq *rq, int prio)
+{
+ rq->curr_prio = prio;
+}
+
+#else
+#define set_rq_prio(rq, prio) do { } while(0)
+#endif
+
static inline void check_preempt_curr(struct rq *rq, struct task_struct *p)
{
rq->curr->sched_class->check_preempt_curr(rq, p);
@@ -2329,9 +2339,9 @@ static inline void finish_task_switch(struct rq *rq, struct task_struct *prev)
*/
prev_state = prev->state;
_finish_arch_switch(prev);
-#if defined(CONFIG_PREEMPT_RT) && defined(CONFIG_SMP)
- rq->curr_prio = current->prio;
-#endif
+
+ set_rq_prio(rq, current->prio);
+
finish_lock_switch(rq, prev);
#if defined(CONFIG_PREEMPT_RT) && defined(CONFIG_SMP)
/*
-
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