Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fixes from Thomas Gleixner:

 - Fix the EINTR logic in rwsem-spinlock to avoid double locking by a
   writer and a reader

 - Add a missing include to qspinlocks

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/qspinlock: Explicitly include asm/prefetch.h
  locking/rwsem-spinlock: Fix EINTR branch in __down_write_common()