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[Xen-devel] [VTD] prevent dom0 from using vt-d hw

To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
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
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
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>

Attachment: dmar.patch
Description: dmar.patch

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