- 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()