Commits
Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Ingo Molnar: "Two fixes: - a file locks fix (missing critical section, bug introduced in this merge window) - an x86 down_write() stack frame annotation" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking, fs/locks: Add missing file_sem locks locking/rwsem/x86: Add stack frame dependency for ____down_write()