tree a88a1a8f9a469f0b9e94a2025a6d1990ee9fc407
parent d3a7b6df4951170079252402fd0c2dc70cb0ca2a
author Ingo Molnar <mingo@elte.hu> 1174081111 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1174098306 -0700

[PATCH] futex: PI state locking fix

Testing of -rt by IBM uncovered a locking bug in wake_futex_pi(): the PI
state needs to be locked before we access it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chuck Ebbert <cebbert@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>