On Mon, Oct 04 2021, Halil Pasic <pasic@xxxxxxxxxxxxx> wrote: > On Mon, 04 Oct 2021 09:01:42 +0200 > Cornelia Huck <cohuck@xxxxxxxxxx> wrote: > >> On Sat, Oct 02 2021, "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote: >> >> > On Fri, Oct 01, 2021 at 05:18:46PM +0200, Cornelia Huck wrote: >> >> I'd say we need a hack here so that we assume little-endian config space >> >> if VERSION_1 has been offered; if your patch here works, I assume QEMU >> >> does what we expect (assmuming little-endian as well.) I'm mostly >> >> wondering what happens if you use a different VMM; can we expect it to >> >> work similar to QEMU? >> > >> > Hard to say of course ... hopefully other VMMs are actually >> > implementing the spec. E.g. IIUC rust vmm is modern only. >> >> Yes, I kind of hope they are simply doing LE config space accesses. >> >> Are there any other VMMs that are actually supported on s390x (or other >> BE architectures)? >> > > I think zCX (z/OS Container Extensions) is relevant as it uses virtio. > That is all I know about. Ok, I'll assume that you (IBM) will be able to verify that any fixup will continue to work there.