Commit 7859e404 authored Feb 22, 2013 by John Stultz

timekeeping: Use inject_offset in warp_clock



When warping the clock (from a local time RTC), use
timekeeping_inject_offset() to atomically add the offset.

This avoids any minor time error caused by the delay between
reading the time, and then setting the adjusted time.

Signed-off-by: John Stultz <john.stultz@linaro.org>

parent c30bd099

kernel/time.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -142,9 +142,9 @@ static inline void warp_clock(void)
		struct timespec adjust;

		persistent_clock_is_local = 1;
		adjust = current_kernel_time();
		adjust.tv_sec += sys_tz.tz_minuteswest * 60;
		do_settimeofday(&adjust);
		adjust.tv_sec = sys_tz.tz_minuteswest * 60;
		adjust.tv_nsec = 0;
		timekeeping_inject_offset(&adjust);
		}
		}