From d478c2cfaa2476f8b6876f9eb4d8fddcfa986479 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Sat, 26 Apr 2008 11:30:34 -0700
Subject: [PATCH] sched: add debug checks to idle functions

Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: "Justin Mattock" <justinmattock@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/sched.c b/kernel/sched.c
index 00c1ba706a5a..ed3caf26990d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1124,6 +1124,7 @@ void sched_clock_idle_sleep_event(void)
 {
 	struct rq *rq = cpu_rq(smp_processor_id());
 
+	WARN_ON(!irqs_disabled());
 	spin_lock(&rq->lock);
 	__update_rq_clock(rq);
 	spin_unlock(&rq->lock);
@@ -1139,6 +1140,7 @@ void sched_clock_idle_wakeup_event(u64 delta_ns)
 	struct rq *rq = cpu_rq(smp_processor_id());
 	u64 now = sched_clock();
 
+	WARN_ON(!irqs_disabled());
 	rq->idle_clock += delta_ns;
 	/*
 	 * Override the previous timestamp and ignore all
-- 
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