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-rw-r--r--kernel/time.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/time.c b/kernel/time.c
index d226c6a3fd28..c2a27dd93142 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -115,6 +115,12 @@ SYSCALL_DEFINE2(gettimeofday, struct timeval __user *, tv,
}
/*
+ * Indicates if there is an offset between the system clock and the hardware
+ * clock/persistent clock/rtc.
+ */
+int persistent_clock_is_local;
+
+/*
* Adjust the time obtained from the CMOS to be UTC time instead of
* local time.
*
@@ -135,6 +141,8 @@ static inline void warp_clock(void)
struct timespec adjust;
adjust = current_kernel_time();
+ if (sys_tz.tz_minuteswest != 0)
+ persistent_clock_is_local = 1;
adjust.tv_sec += sys_tz.tz_minuteswest * 60;
do_settimeofday(&adjust);
}