KVM_REQ_APF_READY
kvm_make_request(KVM_REQ_APF_READY, vcpu);
kvm_make_request(KVM_REQ_APF_READY, apic->vcpu);
if (kvm_check_request(KVM_REQ_APF_READY, vcpu))
kvm_make_request(KVM_REQ_APF_READY, vcpu);
kvm_make_request(KVM_REQ_APF_READY, vcpu);