Re: [PATCH 1/2] vdpa: Allow to configure max data virtqueues

[Si-Wei Liu <si-wei.liu@xxxxxxxxxx>]

On 12/1/2021 2:03 AM, Eli Cohen wrote:

> > > +		if ((config.max_virtqueues - 1) & config.max_virtqueues) {
> > > +			NL_SET_ERR_MSG_MOD(info->extack,
> > > +					   "Must provide power of two number of virtqueues");
> > >         
> > Why there's such limitation for the number of vDPA virtqueues? I thought the
> > software virtio doesn't have this limitation (power of two).
> >       
> Right, the limitation comes from mlx5_vdpa. I will post a patch later to
> remove that limitation.
>
>     
    I mean the check should not live here. Other vdpa vendor
    device/driver may not have this limitation.
    
    -Siwei
  
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