Merge branch 'timers/nohz-help-testing' of git://git.kernel.org/pub/scm/linux/kernel...

Pull full dynticks helpers from Frederic Weisbecker:

 - handy tracepoints that allow dynticks analysis,
   to answer "why does my tick not stop??" questions

 - select CONFIG_RCU_NOCB_ALL

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