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-rw-r--r--kernel/cpu/idle.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/cpu/idle.c b/kernel/cpu/idle.c
index 8b86c0c68edf..d5585f5e038e 100644
--- a/kernel/cpu/idle.c
+++ b/kernel/cpu/idle.c
@@ -40,11 +40,13 @@ __setup("hlt", cpu_idle_nopoll_setup);
static inline int cpu_idle_poll(void)
{
+ rcu_idle_enter();
trace_cpu_idle_rcuidle(0, smp_processor_id());
local_irq_enable();
while (!need_resched())
cpu_relax();
trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
+ rcu_idle_exit();
return 1;
}