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[Xen-devel] [VTD] prevent dom0 from using vt-d hw
| To: | <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] [VTD] prevent dom0 from using vt-d hw |
| From: | "Kay, Allen M" <allen.m.kay@xxxxxxxxx> |
| Date: | Wed, 3 Oct 2007 12:11:56 -0700 |
| Cc: | "Han, Weidong" <weidong.han@xxxxxxxxx> |
| Delivery-date: | Wed, 03 Oct 2007 12:12:35 -0700 |
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| Thread-index: | AcgF8UQNMhiiuZ2NQi6Q6KeFVhPH4g== |
| Thread-topic: | [VTD] prevent dom0 from using vt-d hw |
This patch ensures xen vmm has exclusive access of vt-d hw by zaping vt-d "DMAR" ACPI table signature after xen has finished using it. Signed-off-by: Allen Kay <allen.m.kay@xxxxxxxxx>
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