timekeeping: Delay update of clock->cycle_last

For calculating the new timekeeper values store the new cycle_last
value in the timekeeper and update the clock->cycle_last just when we
actually update the new values.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
Thomas Gleixner 2013-02-21 22:51:39 +00:00 • committed by John Stultz
commit 7ec98e15aa