diff --git a/include/linux/sched.h b/include/linux/sched.h
index d747f948b34e9608acb1575abdd9aea0e96c7204..9d9a0787eed3003e5fbf9780605c14506f5754ff 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2050,6 +2050,7 @@ extern void release_uids(struct user_namespace *ns);
 #include <asm/current.h>
 
 extern void do_timer(unsigned long ticks);
+extern void xtime_update(unsigned long ticks);
 
 extern int wake_up_state(struct task_struct *tsk, unsigned int state);
 extern int wake_up_process(struct task_struct *tsk);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 8da35d1b9e169fe93628dc59dc04ad9d8a1284c1..02c13a313d15c1f7ef0fba1e5b577acc6c65d7af 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -969,3 +969,16 @@ void get_xtime_and_monotonic_offset(struct timespec *xtim, struct timespec *wtom
 		*wtom = wall_to_monotonic;
 	} while (read_seqretry(&xtime_lock, seq));
 }
+
+/**
+ * xtime_update() - advances the timekeeping infrastructure
+ * @ticks:	number of ticks, that have elapsed since the last call.
+ *
+ * Must be called with interrupts disabled.
+ */
+void xtime_update(unsigned long ticks)
+{
+	write_seqlock(&xtime_lock);
+	do_timer(ticks);
+	write_sequnlock(&xtime_lock);
+}