Re: [RFC PATCH 1/1] virtio: fix feature negotiation for ACCESS_PLATFORM

[Halil Pasic <pasic@linux.ibm.com>]

On Mon, 07 Feb 2022 16:21:31 +0100
Cornelia Huck <cohuck@redhat.com> wrote:

> On Mon, Feb 07 2022, Halil Pasic <pasic@linux.ibm.com> wrote:
> 
> > On Mon, 07 Feb 2022 14:41:58 +0100
> > Cornelia Huck <cohuck@redhat.com> wrote:  
> 
> >> OTOH, the decision to make it mandatory is certainly sound, and covered
> >> by the spec. As the driver must be prepared for the device failing to
> >> accept FEATURES_OK, we can make it mandatory here -- we should just not
> >> say that it is considered mandatory from a spec standpoint. The spec
> >> allows to make it mandatory, and we make it mandatory in our
> >> implementation.  
> >
> > Right. Was never my intention to say that it is considered mandatory
> > by the spec. I guess the spec considers it less optional than the
> > run of the mill features.
> >
> > Should I change the first sentence to something like "Unlike most virtio
> > features ACCESS_PATFORM is considered mandatory by QEMU, i.e. the driver
> > must accept it if offered by the device."  
> 
> If you do s/PATFORM/PLATFORM/ :), yes. That's a much shorter way of
> expressing what I had been trying to argue in my reply :)
> 

Will do! I'm going to wait a little more before spinning a v1 to give
people a little more time to complain about the objective of this patch.

Regards,
Halil