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
Use the EventNotifier's cleanup callback function to execute the event_notifier_cleanup function after kvm unregistered the eventfd. This change supports running the virtio_bus_set_host_notifier function inside a memory region transaction. Otherwise, a closed fd is sent to kvm, which results in a failure. Signed-off-by: Gal Hammer <ghammer@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>