Re: [PATCH 0 of 7 V4] amd iommu: support ATS/GPGPU passthru on IOMMUv2 systems

[Wei Wang <wei.wang2@amd.com>]

On 01/20/2012 05:26 PM, Jan Beulich wrote:
>>>> On 20.01.12 at 17:21, Wei Wang<wei.wang2@amd.com>  wrote:
>> could you provide more info about your push test on amd machines? This
>> patch queue should not affect any amd machines that do not have iommuv2
>> hardware in it.
>
> My suspicion is that the previous set still has something in it that breaks
> if a system does not have a v2 IOMMU (or maybe no IOMMU at all). Did
> you cross check the previous series this way (apparently you didn't
> check on Intel systems, otherwise 24520:9a967990b4d2 wouldn't have
> been necessary, which allowed for the fuzzy push Ian referred to)?
>
> Jan
>
>

Hi I had tested this on old iommu systems before submission. But I can 
re-test it again. Non-iommu system will also be tested. It might take 
some in setting up an Intel machine on my side. Could Ian confirm that 
it works on Intel or not?

Thanks,
Wei