x86: Side-step lguest problem by only building cmpxchg8b_emu for pre-Pentium

[net-next-2.6.git] / arch / x86 / Kconfig.cpu

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index f2824fb8c79cad23ad747977e1e32ab4d6b555a1..2649840d888ffeac6fe8ec6b77f73a599ed73ee1 100644 (file)
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -400,7 +400,7 @@ config X86_TSC
 
 config X86_CMPXCHG64
        def_bool y
-       depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MATOM
+       depends on !M386 && !M486
 
 # this should be set for all -march=.. options where the compiler
 # generates cmov.