diff --git a/sys/amd64/vmm/amd/svm_msr.c b/sys/amd64/vmm/amd/svm_msr.c
--- a/sys/amd64/vmm/amd/svm_msr.c
+++ b/sys/amd64/vmm/amd/svm_msr.c
@@ -128,6 +128,8 @@
 	case MSR_SYSCFG:
 	case MSR_AMDK8_IPM:
 	case MSR_EXTFEATURES:
+	case MSR_AMD_CPUID07:
+	case MSR_AMD_CPUID01:
 		*result = 0;
 		break;
 	default:
@@ -175,6 +177,8 @@
 		break;
 #endif
 	case MSR_EXTFEATURES:
+	case MSR_AMD_CPUID07:
+	case MSR_AMD_CPUID01:
 		break;
 	default:
 		error = EINVAL;
diff --git a/sys/x86/include/specialreg.h b/sys/x86/include/specialreg.h
--- a/sys/x86/include/specialreg.h
+++ b/sys/x86/include/specialreg.h
@@ -1267,6 +1267,7 @@
 #define	MSR_VM_CR	0xc0010114	/* SVM: feature control */
 #define	MSR_VM_HSAVE_PA 0xc0010117	/* SVM: host save area address */
 #define	MSR_AMD_CPUID07	0xc0011002	/* CPUID 07 %ebx override */
+#define	MSR_AMD_CPUID01	0xc0011004	/* CPUID 07 %ebx override */
 #define	MSR_EXTFEATURES	0xc0011005	/* Extended CPUID Features override */
 #define	MSR_LS_CFG	0xc0011020
 #define	MSR_IC_CFG	0xc0011021	/* Instruction Cache Configuration */