From 2565409fc0303f3ab8d66b8326702a687962a29b Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Thu, 12 Jan 2012 17:17:33 -0800
Subject: mm,x86,um: move CMPXCHG_DOUBLE config option

Move CMPXCHG_DOUBLE and rename it to HAVE_CMPXCHG_DOUBLE so architectures
can simply select the option if it is supported.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'arch/Kconfig')

diff --git a/arch/Kconfig b/arch/Kconfig
index 22182a8cc62c..4f55c736be11 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -196,4 +196,7 @@ config HAVE_ALIGNED_STRUCT_PAGE
 config HAVE_CMPXCHG_LOCAL
 	bool
 
+config HAVE_CMPXCHG_DOUBLE
+	bool
+
 source "kernel/gcov/Kconfig"
-- 
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