Hi, >> If -hda has the semantics of "create an IDE device", then no, we can't >> change it. It doesn't however. IIRC on -M pseries -hda creates SCSI devices. >> On s390 -hda creates virtio devices. So if on -M q35 -hda would create >> if=ahci, I don't see how that breaks the CLI. > > It doesn't per se, that is as long as you need to explicitly specify -M > q35. But then changing the default machine from the existing pc to q35 > would break the command line.
That will happen _anyway_. No doubt there will be configurations which work with -M pc and break with -M q35. cheers, Gerd
