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

On Sat, Oct 02 2021, "Michael S. Tsirkin" [off-list ref] wrote:

On Fri, Oct 01, 2021 at 05:18:46PM +0200, Cornelia Huck wrote:

quoted

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)?

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