On Fri, Dec 14, 2018 at 05:12:45AM -0800, Christoph Hellwig wrote: > On Thu, Dec 13, 2018 at 06:54:28PM +0100, Sebastian Ott wrote: > > Implement pcibios_sriov_{add|del}_vfs as empty functions. VF > > creation will be triggered by the hotplug code. > > And instead of having the arch suplply a no-op arch override I > think it would be better to have the config option just stub it > out in common code. Or in fact maybe even a runtime flag in struct pci_dev. Who knows if all future s390 PCIe busses will have exactly the same behavior or if we eventually get the standards compliant behvior back?