QE tested this series's V5 again. Creating two vdpa_sim device, and boot
two VMs without shadow virtqueues. The migration was successful and
everything worked fine.
Tested-by: Lei Yang
Eugenio Pérez 于2023年3月4日周六 01:24写道：
> It's possible to migrate vdpa net devices if they are shadowed from
It's possible to migrate vdpa net devices if they are shadowed from the
start. But to always shadow the dataplane is to effectively break its host
passthrough, so its not efficient in vDPA scenarios.
This series enables dynamically switching to shadow mode only at
migration time. This allows
