From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Date: Wed, 14 Sep 2011 23:21:08 +0000 (-0700)
Subject: um: disable CMPXCHG_DOUBLE as it breaks UML build
X-Git-Tag: v3.1-rc7~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5f0bdc7840bdb791247cb98dfc1dab6ea6c7da4;p=pandora-kernel.git

um: disable CMPXCHG_DOUBLE as it breaks UML build

Commit b789ef518b2 ("slub: Add cmpxchg_double_slab()") tests for
cmpxchg_double support in the SLUB code and it breaks UML builds with
SLUB.  Since UML does not support checking for CPU features, disable
CMPXCHG_DOUBLE just like CMPXCHG_LOCAL is disabled for UML.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Reviewed-by: Christoph Lameter <cl@linux.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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