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xen-devel
Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked
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To: |
"Kay, Allen M" <allen.m.kay@xxxxxxxxx> |
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Subject: |
Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked |
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From: |
Tim Deegan <tim@xxxxxxx> |
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Date: |
Tue, 16 Aug 2011 10:13:20 +0100 |
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Cc: |
"Ren, Yongjie" <yongjie.ren@xxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Li, Xin" <xin.li@xxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx> |
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Tue, 16 Aug 2011 02:14:04 -0700 |
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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)
iommu-share-check
Description: Text document
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- RE: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Ren, Yongjie
- Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Tim Deegan
- RE: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Kay, Allen M
- RE: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Jan Beulich
- Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Tim Deegan
- Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Tim Deegan
- Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Tim Deegan
- Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Tim Deegan
- RE: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Kay, Allen M
- Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked,
Tim Deegan <=
- RE: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked, Kay, Allen M
- [Xen-devel] [PATCH][VTD] fixing vt-d/ept page table sharing in xen-4.1, Kay, Allen M
- [Xen-devel] Re: [PATCH][VTD] fixing vt-d/ept page table sharing in xen-4.1, Jan Beulich
- [Xen-devel] RE: [PATCH][VTD] fixing vt-d/ept page table sharing in xen-4.1, Kay, Allen M
- Re: [Xen-devel] [PATCH][VTD] fixing vt-d/ept page table sharing in xen-4.1, Tim Deegan
- RE: [Xen-devel] [PATCH][VTD] fixing vt-d/ept page table sharing in xen-4.1, Kay, Allen M
- Re: [Xen-devel] [PATCH][VTD] fixing vt-d/ept page table sharing in xen-4.1, Tim Deegan
- RE: [Xen-devel] [PATCH][VTD] fixing vt-d/ept page table sharing in xen-4.1, Kay, Allen M
- RE: [Xen-devel] [PATCH][VTD] fixing vt-d/ept page table sharing in xen-4.1, Kay, Allen M
- Re: [Xen-devel] [PATCH][VTD] fixing vt-d/ept page table sharing in xen-4.1, Tim Deegan
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