On Sun, Jun 20, 2010 at 09:36:09PM +1000, Herbert Xu wrote: > On Sun, Jun 20, 2010 at 02:11:24PM +0300, Michael S. Tsirkin wrote: > > > > Rather than modifying all guests, it seems much easier not to assume > > specific buffer layout in host. Copying network header around seems a > > small cost. > > Well sure we can debate the specifics of this implementation detail. Let's do this then. So far the virtio spec avoided making layout assumptions, leaving guests lay out data as they see fit. Isn't it possible to keep supporting this with zero copy for hardware that can issue DMA at arbitrary addresses? > However, the fact that virtio_net doesn't support feature renegotiation > on live migration is not a valid reason against this. > > Cheers, -- MST -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
