Hi Ohad, >> A simplest thing to do is change dev id. rusty? > > For generic usage, this is correct. But my opinion is that fallback on > feature non-ack is quality-of-implementation issue: great to have, but > there are cases where you just want to fail with "you're too old". > > And in this case, an old system simply will never work. So it's a > question of how graceful the failure is. > > Can your userspace loader can refuse to proceed if the driver doesn't > ack the bits? If so, it's simpler than a whole new ID. Ohad: Are there any way we could avoid starting up the remote processor if mandatory virtio features (such as DMA memory) are not supported by the virtio-driver? Regards, Sjur _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization