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-rw-r--r--kernel/time/timekeeping.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index c1a178c..c50aaf6 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -958,3 +958,19 @@ void do_timer(unsigned long ticks)
update_wall_time();
calc_global_load(ticks);
}
+
+/**
+ * get_xtime_and_monotonic_offset() - get xtime and wall_to_monotonic
+ * @xtim: pointer to timespec to be set with xtime
+ * @wtom: pointer to timespec to be set with wall_to_monotonic
+ */
+void get_xtime_and_monotonic_offset(struct timespec *xtim, struct timespec *wtom)
+{
+ unsigned long seq;
+
+ do {
+ seq = read_seqbegin(&xtime_lock);
+ *xtim = xtime;
+ *wtom = wall_to_monotonic;
+ } while (read_seqretry(&xtime_lock, seq));
+}
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