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

Pull RCU fixes from Paul E. McKenney, for two regressions
introduced in this merge window:

  - Fix bug with recent GCCs.
  - Fix false positive lockdep splat.

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