Re: [PATCH v21 QEMU 4/5] virtio-balloon: Implement support for page poison tracking feature

[Cornelia Huck <cohuck@redhat.com>]

On Fri, 24 Apr 2020 09:07:25 +0200
David Hildenbrand <david@redhat.com> wrote:

> >>  GlobalProperty hw_compat_4_2[] = {
> >>      { "virtio-blk-device", "queue-size", "128"},
> >>      { "virtio-scsi-device", "virtqueue_size", "128"},  
> > 
> > Okay, so the bit above is for after 5_0 is released then? Is there a  
> 
> Yes.
> 
> > way to queue up a reminder or something so we get to it when the time
> > comes, or I just need to watch for 5.0 to come out and submit a patch
> > then?  
> 
> I think what happened usually happens is that someone introduces all the
> compat machines, sometimes directly with empty hw_compat.
> 
> E.g., see
> 
> commit 3eb74d2087d3bd6cb51c06a49ba94222248d2de4
> Author: Cornelia Huck <cohuck@redhat.com>
> Date:   Tue Nov 12 11:48:11 2019 +0100
> 
>     hw: add compat machines for 5.0
> 
>     Add 5.0 machine types for arm/i440fx/q35/s390x/spapr.
> 
> and
> 
> commit 9aec2e52ce9d9632a86be2d1d0dd493722d2e7be
> Author: Cornelia Huck <cohuck@redhat.com>
> Date:   Wed Jul 24 12:35:24 2019 +0200
> 
>     hw: add compat machines for 4.2
> 
>     Add 4.2 machine types for arm/i440fx/q35/s390x/spapr.
> 
> 
> The latter already introduced hw_compat_4_1, for examnple.
> 
> @Conny, do you already have a patch for 5.1 compat patch lying around
> somewhere?

Not yet, will do so now. Thanks for the reminder, nearly forgot about
that :)