Re: [PATCH v6 2/2] s390: virtio: PV needs VIRTIO I/O device protection

[Pierre Morel]

On 2020-07-14 13:42, Christian Borntraeger wrote:
> On 14.07.20 13:38, Pierre Morel wrote:
> > If protected virtualization is active on s390, the virtio queues are
> > not accessible to the host, unless VIRTIO_F_IOMMU_PLATFORM has been
> > negotiated. Use the new arch_validate_virtio_features() interface to
> > fail probe if that's not the case, preventing a host error on access
> > attempt.
> >
> > Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
> > Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
> > Acked-by: Halil Pasic <pasic@xxxxxxxxxxxxx>
>
> We will probably move this (and other related code) into a new file,
> but we can do that later.
> As for now:
>
> Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>

Thanks,
Pierre

--
Pierre Morel
IBM Lab Boeblingen