Re: [PATCH RFC 3/3] virtio_ccw: rev 1 devices set VIRTIO_F_VERSION_1

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On Thu, Dec 04, 2014 at 06:59:14PM +0100, Cornelia Huck wrote:
> On Thu, 4 Dec 2014 19:26:50 +0200
> "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> 
> > What does it mean if rev 1 device does not set
> > VIRTIO_F_VERSION_1? E.g. is it native endian?
> > 
> > Let's not even try to drive such devices:
> > skip attempts to finalize features or set status.
> 
> Why not set status_failed?

What's status_failed?

> > virtio core will detect this and bail out.
> > 
> > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> > ---
> >  drivers/s390/kvm/virtio_ccw.c | 15 +++++++++++++++
> >  1 file changed, 15 insertions(+)
> > 
> 
> I'm not sure yet whether I like this approach. I'll think about it over
> the weekend.
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