On Sat, 2017-04-15 at 11:36 -0500, Bjorn Helgaas wrote: > > I agree in principle. I'm surprised that PowerPC is the only one > > interested here though, what about other platforms who want to use > > KVM and PCI pass-through and use Linux to assign BARs ? > > If I understand correctly, the problem is with BARs smaller than a > page, and this happens more on PowerPC because larger page sizes are > more common there. Yes, it happens "more". That doesn't mean it doesn't happen at all on others :-) Anyway, I'm not objecting, just surprised. Cheers, Ben.