Paolo Bonzini <pbonz...@redhat.com> writes: > Il 20/08/2014 15:03, Markus Armbruster ha scritto: >>> > >>> > This is for the root bus, I think it won't help Knut who's trying to >>> > add devices behind root ports. >> Read again, more slowly :) >> >> Yes, I null the name of the root bus. That makes the qdev machinery >> derive the very same "pcie.0" name via rule 3 instead of rule 1, with >> the side effect that future (non-root) PCIE buses get different names. >> In particular, the next one named via rule 3 will be called "pcie.1" >> instead of "pcie.0", making it actually accessible. > > I agree that this is a big improvement.
It's also an ABI break. I'm not saying we can't do it, just that we better consider it carefully.