diff --git a/kernel/timer.c b/kernel/timer.c
index 6663a87..8ad3842 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1651,8 +1651,8 @@
 	new_base = get_cpu_var(tvec_bases);
 
 	local_irq_disable();
-	spin_lock(&new_base->lock);
-	spin_lock(&old_base->lock);
+	double_spin_lock(&new_base->lock, &old_base->lock,
+			 smp_processor_id() < cpu);
 
 	BUG_ON(old_base->running_timer);
 
@@ -1665,8 +1665,8 @@
 		migrate_timer_list(new_base, old_base->tv5.vec + i);
 	}
 
-	spin_unlock(&old_base->lock);
-	spin_unlock(&new_base->lock);
+	double_spin_unlock(&new_base->lock, &old_base->lock,
+			   smp_processor_id() < cpu);
 	local_irq_enable();
 	put_cpu_var(tvec_bases);
 }