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-rw-r--r--include/linux/hrtimer.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 31a4d653389f..6d93dce61cbb 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -316,6 +316,15 @@ static inline int hrtimer_is_queued(struct hrtimer *timer)
(HRTIMER_STATE_ENQUEUED | HRTIMER_STATE_PENDING);
}
+/*
+ * Helper function to check, whether the timer is running the callback
+ * function
+ */
+static inline int hrtimer_callback_running(struct hrtimer *timer)
+{
+ return timer->state & HRTIMER_STATE_CALLBACK;
+}
+
/* Forward a hrtimer so it expires after now: */
extern u64
hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval);