On 05/10/2011 02:33 PM, Paul Brook wrote: > There should be nothing special about virtio-pci. These devices should access > memory in exactly the same way as any other PCI device. Bypassing the normal > PCI iommu is IMO a serious bug.
I suspect that the argument is that virtio is implemented on several busses, and ignoring any bus-specific stuff means that there's less need for any code differences. It doesn't bother me either way, so long as I know what to expect. r~
