[PATCH] x86: cmpxchg improvements

[~andy/linux] / arch / i386 / Kconfig

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 2e3e8dbcb79f30f369c673661652cbd0442801c2..35d3cff3005702f0dc939060720240e769edf207 100644 (file)
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -424,6 +424,11 @@ config X86_POPAD_OK
        depends on !M386
        default y
 
+config X86_CMPXCHG64
+       bool
+       depends on !M386 && !M486
+       default y
+
 config X86_ALIGNMENT_16
        bool
        depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1