1405 	struct eventfd_ctx *eventfd;  in kvm_hvcall_signal_event()  local
1433 	eventfd = idr_find(&vcpu->kvm->arch.hyperv.conn_to_evt, param);  in kvm_hvcall_signal_event()
1435 	if (!eventfd)  in kvm_hvcall_signal_event()
1438 	eventfd_signal(eventfd, 1);  in kvm_hvcall_signal_event()
1558 	struct eventfd_ctx *eventfd;  in kvm_hv_destroy_vm()  local
1561 	idr_for_each_entry(&kvm->arch.hyperv.conn_to_evt, eventfd, i)  in kvm_hv_destroy_vm()
1562 		eventfd_ctx_put(eventfd);  in kvm_hv_destroy_vm()
1569 	struct eventfd_ctx *eventfd;  in kvm_hv_eventfd_assign()  local
1572 	eventfd = eventfd_ctx_fdget(fd);  in kvm_hv_eventfd_assign()
1573 	if (IS_ERR(eventfd))  in kvm_hv_eventfd_assign()
1574 		return PTR_ERR(eventfd);  in kvm_hv_eventfd_assign()
1577 	ret = idr_alloc(&hv->conn_to_evt, eventfd, conn_id, conn_id + 1,  in kvm_hv_eventfd_assign()
1586 	eventfd_ctx_put(eventfd);  in kvm_hv_eventfd_assign()
1593 	struct eventfd_ctx *eventfd;  in kvm_hv_eventfd_deassign()  local
1596 	eventfd = idr_remove(&hv->conn_to_evt, conn_id);  in kvm_hv_eventfd_deassign()
1599 	if (!eventfd)  in kvm_hv_eventfd_deassign()
1603 	eventfd_ctx_put(eventfd);  in kvm_hv_eventfd_deassign()