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Re: [konrad.wilk@xxxxxxxxxx: [Xen-devel] [PATCH 1 of 1] Intel VT-D: Don't turn x2APIC if there is a missing DRHD entry for the IOAPIC]

To: <xiantao.zhang@xxxxxxxxx>,<konrad.wilk@xxxxxxxxxx>
From: "Jan Beulich" <jbeulich@xxxxxxxxxx>
Date: Wed, 10 Mar 2010 08:22:37 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 10 Mar 2010 00:23:26 -0800
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

>>> Konrad Rzeszutek Wilk  03/09/10 6:34 PM >>>
>
>What are you guys feeling about this patch?

My main question is whether just disabling x2apic in this case is sufficient 
(i.e. whether instead we shouldn't disable iommu, or at least interrupt 
remapping, altogether).

Jan


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