MSR_KVM_ASYNC_PF_INT
wrmsrq(MSR_KVM_ASYNC_PF_INT, HYPERVISOR_CALLBACK_VECTOR);
case MSR_KVM_ASYNC_PF_INT:
MSR_KVM_PV_EOI_EN, MSR_KVM_ASYNC_PF_INT, MSR_KVM_ASYNC_PF_ACK,
case MSR_KVM_ASYNC_PF_INT:
TEST_MSR(MSR_KVM_ASYNC_PF_INT),