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>

1 files changed, 2 insertions, 0 deletions

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