diff -r bd811e94d293 xen/arch/x86/hvm/svm/svm.c
--- a/xen/arch/x86/hvm/svm/svm.c	Tue Sep 26 18:50:07 2006
+++ b/xen/arch/x86/hvm/svm/svm.c	Wed Sep 27 11:31:46 2006
@@ -1075,9 +1075,6 @@
                    clear_bit(X86_FEATURE_NX & 31, &edx);
             }
             clear_bit(X86_FEATURE_PSE36, &edx);
-            /* Disable machine check architecture */
-            clear_bit(X86_FEATURE_MCA, &edx);
-            clear_bit(X86_FEATURE_MCE, &edx);
             if (input == 0x00000001 )
             {
                 /* Clear out reserved bits. */