On 25.09.19 13:24, Paolo Bonzini wrote: > On 25/09/19 12:50, David Hildenbrand wrote: >> Can't tell if there might be extensions (if virtio-mem ever comes to >> life ;) ) that might make use of asynchronous communication. Especially, >> there might be asynchronous/multiple guest->host requests at some point >> (e.g., "I'm nearly out of memory, please send help"). > > Okay, this makes sense. I'm almost sold on it. :) > > Config space also makes sense, though what you really need is the config > space interrupt, rather than config space per se. > Right, and feature negotiation is yet another nice-to-have thingy in the virtio world :) > Paolo -- Thanks, David / dhildenb