KVM_REQ_UNBLOCK
kvm_make_request(KVM_REQ_UNBLOCK, vcpu);
kvm_make_all_cpus_request(kvm, KVM_REQ_UNBLOCK);
kvm_clear_request(KVM_REQ_UNBLOCK, vcpu);
kvm_make_request(KVM_REQ_UNBLOCK, vcpu);
kvm_make_request(KVM_REQ_UNBLOCK, vcpu);
kvm_make_request(KVM_REQ_UNBLOCK, vcpu);
kvm_make_request(KVM_REQ_UNBLOCK, vcpu);
if (kvm_check_request(KVM_REQ_UNBLOCK, vcpu))