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>

diff --git a/kernel/sched.c b/kernel/sched.c
index 00c1ba706a5a36406555f70a31fd8636292af7d1..ed3caf26990dcc981b55102355755cb6899251c2 100644 (file)
--- 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