The centaur CPU init code get linking errors without it.
Dave
diff -urpN --exclude-from=/home/davej/.exclude bk-linus/arch/i386/Kconfig linux-2.5/arch/i386/Kconfig
--- bk-linus/arch/i386/Kconfig 2004-01-23 05:23:44.000000000 +0000
+++ linux-2.5/arch/i386/Kconfig 2004-01-23 05:43:37.000000000 +0000
@@ -399,7 +399,7 @@ config X86_USE_3DNOW
config X86_OOSTORE
bool
- depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6
+ depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR
default y
config HPET_TIMER