Feature proposal: Add page-per-vq flag to the 'driver' element of virtio devices

[Jonathon Jongsma]

On Mon, 19 Apr 2021 14:16:59 +0200
Michal Privoznik <mprivozn at redhat.com> wrote:

> On 4/18/21 10:08 AM, Gavi Teitz wrote:
> > Hi,
> > 
> > The page-per-vq flag is important for vdpa with vhost-user
> > performance [1].
> > 
> > Currently there is no way in libvirt to set it in the xml
> > page-per-vq except with qemu args, like so:  
> 
> Yeah, we view extra cmd line arguments as unsupported.
> 
> > 
> > Are there any issues that would prevent this feature from being
> > accepted?  
> 
> Not at all, please do send a patch and I can review it.
> 
> Michal
> 

There is a related bug currently assigned to me that I was intending to
look at soon: https://bugzilla.redhat.com/show_bug.cgi?id=1925363

Jonathon