MSR_IA32_VMX_VMFUNC  858 arch/x86/include/asm/msr-index.h #define MSR_IA32_VMX_VMFUNC             0x00000491
MSR_IA32_VMX_VMFUNC 1075 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_IA32_VMX_VMFUNC             0x00000491