diff --git a/sys/amd64/vmm/x86.c b/sys/amd64/vmm/x86.c
--- a/sys/amd64/vmm/x86.c
+++ b/sys/amd64/vmm/x86.c
@@ -441,10 +441,12 @@
 				 */
 				regs[1] &= (CPUID_STDEXT_FSGSBASE |
 				    CPUID_STDEXT_BMI1 | CPUID_STDEXT_HLE |
-				    CPUID_STDEXT_AVX2 | CPUID_STDEXT_BMI2 |
+				    CPUID_STDEXT_AVX2 | CPUID_STDEXT_SMEP |
+				    CPUID_STDEXT_BMI2 |
 				    CPUID_STDEXT_ERMS | CPUID_STDEXT_RTM |
 				    CPUID_STDEXT_AVX512F |
 				    CPUID_STDEXT_RDSEED |
+				    CPUID_STDEXT_SMAP |
 				    CPUID_STDEXT_AVX512PF |
 				    CPUID_STDEXT_AVX512ER |
 				    CPUID_STDEXT_AVX512CD | CPUID_STDEXT_SHA);