[Qemu-devel] [virtio-net] migration

[Catalin Vasile]

Hi,

What is the workflow for virtio-net devices when migrating the VM it belongs to?
>From what I understand so far the stop() primitives in qemu are called for 
>virtio_net and vhost_net which makes the virtqueue reset such that it seems 
>the queues are completely empty.
How does the guest know that the jobs he sent on the virtqueue were discarded 
so that he can retry or release resources that were used for managing those 
jobs/packets?

Catalin Vasile