Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Thomas Gleixner:
 "A single fix for a regression introduced in 4.8 which causes the
  trace/perf clock to return random nonsense if CONFIG_DEBUG_TIMEKEEPING
  is set"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  timekeeping: Fix __ktime_get_fast_ns() regression