From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 16 Mar 2007 21:38:31 +0000 (-0800)
Subject: [PATCH] futex: PI state locking fix
X-Git-Tag: v2.6.21-rc5~82
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=21778867b1c8e0feb567addb6dc0a7e2ca6ecdec;p=pandora-kernel.git

[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>
---

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