From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 3 Jul 2006 07:25:00 +0000 (-0700)
Subject: [PATCH] lockdep: s390 turn validator off in machine-check handler
X-Git-Tag: v2.6.18-rc1~75
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e9ccae6ee2bb19b7752b7d412e1bbbaf28e7fe1;p=pandora-kernel.git

[PATCH] lockdep: s390 turn validator off in machine-check handler

Machine checks on s390 are always enabled (except in the machine check handler
itself).  Therefore use lockdep_off()/on() in the machine check handler to
avoid deadlocks in the lock validator.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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