diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 07d7305f131e6a5f1997b9d5af9c1a28412895f8..e4bccbcc2750a3f19711996f764fce80b6d7962a 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -91,6 +91,7 @@ struct hrtimer_base {
 	ktime_t			(*get_softirq_time)(void);
 	struct hrtimer		*curr_timer;
 	ktime_t			softirq_time;
+	struct lock_class_key lock_key;
 };
 
 /*
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 8d3dc29ef41ae1fb616d4d8765cb1d077c862852..617304ce67db78adc3ada13a5b6ebe84460f554d 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -782,8 +782,10 @@ static void __devinit init_hrtimers_cpu(int cpu)
 	struct hrtimer_base *base = per_cpu(hrtimer_bases, cpu);
 	int i;
 
-	for (i = 0; i < MAX_HRTIMER_BASES; i++, base++)
+	for (i = 0; i < MAX_HRTIMER_BASES; i++, base++) {
 		spin_lock_init(&base->lock);
+		lockdep_set_class(&base->lock, &base->lock_key);
+	}
 }
 
 #ifdef CONFIG_HOTPLUG_CPU