1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 2ac20b48b2f3..cf5cfdf8d613 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -93,6 +93,13 @@ struct hrtimer_base {
         struct hrtimer          *curr_timer;
 };
 
+/*
+ * clock_was_set() is a NOP for non- high-resolution systems. The
+ * time-sorted order guarantees that a timer does not expire early and
+ * is expired in the next softirq when the clock was advanced.
+ */
+#define clock_was_set()         do { } while (0)
+
 /* Exported timer functions: */
 
 /* Initialize timers: */