diff --git a/[refs] b/[refs]
index c8869c34c5ae..e89337cac05a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6ea565a9be32a3c8d1092017686f183b6d8c4514
+refs/heads/master: bf2ac312195155511a0f79325515cbb61929898a
diff --git a/trunk/kernel/time/timekeeping.c b/trunk/kernel/time/timekeeping.c
index a5a9389c4c30..0c1485e42be6 100644
--- a/trunk/kernel/time/timekeeping.c
+++ b/trunk/kernel/time/timekeeping.c
@@ -1152,6 +1152,10 @@ static void update_wall_time(void)
 	offset = (clock->read(clock) - clock->cycle_last) & clock->mask;
 #endif
 
+	/* Check if there's really nothing to do */
+	if (offset < tk->cycle_interval)
+		goto out;
+
 	/*
 	 * With NO_HZ we may have to accumulate many cycle_intervals
 	 * (think "ticks") worth of time at once. To do this efficiently,