guest_monitor_wait
vector = kvm_asm_safe("monitor", "a"(guest_monitor_wait), "c"(0), "d"(0));
vector = kvm_asm_safe("mwait", "a"(guest_monitor_wait), "c"(0), "d"(0));
vm = vm_create_with_one_vcpu(&vcpu, guest_monitor_wait);