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

Pull SRCU changes from Paul E. McKenney.

  " These include debugging aids, updates that move towards the goal
    of permitting srcu_read_lock() and srcu_read_unlock() to be used
    from idle and offline CPUs, and a few small fixes. "

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