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

>>> On 20.01.12 at 17:21, Wei Wang <wei.wang2@xxxxxxx> 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)?


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