VMCR_SVMED
if (((val & VMCR_SVMED) == VMCR_SVMED)
if ((msr & VMCR_SVMED) && (msr & VMCR_LOCK)) {
if (msr & VMCR_SVMED) {
wrmsr(MSR_VMCR, msr & ~VMCR_SVMED);