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SubjectRe: [PATCH v6 2/2] s390: virtio: PV needs VIRTIO I/O device protection
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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@linux.ibm.com>
>> Reviewed-by: Cornelia Huck <cohuck@redhat.com>
>> Acked-by: Halil Pasic <pasic@linux.ibm.com>
>
> 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@de.ibm.com>
>

Thanks,
Pierre

--
Pierre Morel
IBM Lab Boeblingen

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