> Quite the contrary. > There is no guarantee that a completion for a given command will be > signaled at all; if the completion is never posted to the virtio queue > the VM will spin forever. > > This is a simplistic approach. _Any_ command sent via virtio will have > to have some sort of handling in the host, so an immediate response is > not guaranteed. > Especially virtio-block command will _not_ be handled immediately.
I'm referring to virtnet control commands. virtnet_send_command is a blocking function, and returns once a response is received for the sent control command. _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
