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[Xen-devel] [PATCH] VT-d: clean up dynamic page mapping
| To: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] [PATCH] VT-d: clean up dynamic page mapping |
| From: | "Han, Weidong" <weidong.han@xxxxxxxxx> |
| Date: | Thu, 31 Dec 2009 16:45:04 +0800 |
| Accept-language: | en-US |
| Acceptlanguage: | en-US |
| Cc: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Delivery-date: | Thu, 31 Dec 2009 00:46:42 -0800 |
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| Thread-index: | AcqJ9Ywhs9ykWkGLS6KGQLwYRNW4xQ== |
| Thread-topic: | [Xen-devel] [PATCH] VT-d: clean up dynamic page mapping |
Before dynamic VT-d page table for hvm guest (changeset 20152), need_iommu is only used for PV guest. And it maps pages into VT-d for PV guest in get_page_type and grant table. Now need_iommu is used both hvm and pv guests, this patch makes those code still only for PV guest, because it needn't to map pages there for hvm domain. Signed-off0-by: Weidong Han <Weidong.han@xxxxxxxxx>
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