Re: [RFC PATCH 1/1] virtio: write back features before verify

[Cornelia Huck]

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)?