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authorHeiko Carstens <heiko.carstens@de.ibm.com>2012-01-12 17:17:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-12 20:13:03 -0800
commit2565409fc0303f3ab8d66b8326702a687962a29b (patch)
treeb57f238d77ee87a991371a7021462b8c71351659 /arch/Kconfig
parent4156153c4daddf12dd386016f96a947a01e93bf4 (diff)
downloadlwn-2565409fc0303f3ab8d66b8326702a687962a29b.tar.gz
lwn-2565409fc0303f3ab8d66b8326702a687962a29b.zip
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>
Diffstat (limited to 'arch/Kconfig')
-rw-r--r--arch/Kconfig3
1 files changed, 3 insertions, 0 deletions
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"