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Re: [Xen-devel] [PATCH] [VTD] Separate VT-d page table from P2M table

To: "Han, Weidong" <weidong.han@xxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 22 Apr 2008 13:20:07 +0100
Cc: "Xu, Anthony" <anthony.xu@xxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
Delivery-date: Tue, 22 Apr 2008 05:20:53 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcikU/U3pfCdxRGgQWKd/PxtMk6F9AABbOHmAAAZSpAAAJq3BAADN6LwAAGQyzAAAMGNwAAAJK0N
Thread-topic: [Xen-devel] [PATCH] [VTD] Separate VT-d page table from P2M table

On 22/4/08 13:17, "Han, Weidong" <weidong.han@xxxxxxxxx> wrote:

>> Are you saying that the VT-d 2MB page format is different from the EPT
>> 2MB page format? Or that VTd does not support 2MB pages?
>> 
> 
> Now VTd does not support 2MB pages.

Then don't allow EPT 2MB mappings for domains which have passthru devices?

 -- Keir



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