Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked

[Tim Deegan <tim@xxxxxxx>]

At 15:37 -0700 on 15 Aug (1313422621), Kay, Allen M wrote:
> > #define iommu_use_hap_pt(d) (paging_mode_translate(d) && iommu_hap_pt_share)
> 
> Tim, should the code be checking for paging_mode_hap(d) instead to
> make sure HAP page table is used?

Ah, yes it should; thanks for spotting that.  For AMD _external() is
sufficient but not for VtD.  Updated version attached. 

Cheers,

Tim

-- 
Tim Deegan <tim@xxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

Attachment: iommu-share-check
Description: Text document

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