diff -r 6499e5d563c8 -r 5148cb3eb496 xen/arch/x86/hvm/vmx/vmx.c
--- a/xen/arch/x86/hvm/vmx/vmx.c	Tue Aug 29 14:36:44 2006 +0800
+++ b/xen/arch/x86/hvm/vmx/vmx.c	Tue Aug 29 15:48:30 2006 +0800
@@ -955,8 +955,6 @@ static void vmx_vmexit_do_cpuid(struct c
                      bitmaskof(X86_FEATURE_MWAIT) );
 
             edx &= ~( bitmaskof(X86_FEATURE_HT)   |
-                     bitmaskof(X86_FEATURE_MCA)   |
-                     bitmaskof(X86_FEATURE_MCE)   |
                      bitmaskof(X86_FEATURE_ACPI)  |
                      bitmaskof(X86_FEATURE_ACC) );
         }