Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/urgent

Pull RCU fix from Paul E. McKenney:

 "This series contains a single change that fixes Kconfig asking pointless
  questions."
Signed-off-by: Ingo Molnar <mingo@kernel.org>