Merge branch 'tip/perf/urgent' of...

Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent

Pull an ftrace ring-buffer fix from Steve Rostedt:

 * fix kernel crash when changing the size of the ring-buffer on
   boxes where possible_cpus != online_cpus.

Signed-off-by: Ingo Molnar <mingo@kernel.org>