On Fri, 1 Feb 2019 09:23:56 +0100 Cornelia Huck <coh...@redhat.com> wrote:
> On Fri, 1 Feb 2019 07:46:40 +0100 > Thomas Huth <th...@redhat.com> wrote: > > So I see two options now: > > > > 1) Finally really make the device optional, at least for new machine > > types, so we can really disable CONFIG_PCI and get a working executable. > > > > 2) Scratch the idea completely to make this optional, always link the > > s390-pci-bus.o and s390-pci-inst.o files unconditionally, and remove the > > s390-pci-stub.c file. > > > > I assume options 2 is preferred, since we likely rather want to move > > into the PCI direction in the long run, instead of ignoring it... > > I think both options are viable, but option 1 is of course more work. > The win there is that we could disable an entire subsystem. > > I guess that the basic questions are: How important is it that > subsystems can be compiled out, and do we see a use case for a pci-less > s390 machine in the future? We really don't want to spend much time on > something of dubious use... Any thoughts on this? I'm currently tending towards option 2 (and can cook up a patch for that). Unless someone is already working on option 1 :) Of course, I can also apply the original patch, but the end result is not very useful...