diff --git a/kernel/timer.c b/kernel/timer.c
index 8256f3f..bf7c419 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -941,6 +941,8 @@ static inline void update_times(void)
 void do_timer(struct pt_regs *regs)
 {
 	jiffies_64++;
+	/* prevent loading jiffies before storing new jiffies_64 value. */
+	barrier();
 	update_times();
 	softlockup_tick(regs);
 }