This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Xen-devel] Setting page type for GDT page

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Setting page type for GDT page
From: Trammell Hudson <hudson@xxxxxxxxxxxxxx>
Date: Fri, 31 Aug 2007 12:39:16 -0400
Delivery-date: Fri, 31 Aug 2007 09:39:49 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <C2FDFE95.1519D%Keir.Fraser@xxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <20070831161538.GA25713@xxxxxxxxxxxxxx> <C2FDFE95.1519D%Keir.Fraser@xxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.10i
On Fri, Aug 31, 2007 at 05:21:25PM +0100, Keir Fraser wrote:
> The type code disagrees with you. There's still a writable mapping lurking
> somewhere. Perhaps not in the page tables you are running on, though. What
> do you do with the page tables that the domain builder provides you?

Nothing, so that's a very good possibility.  The domU has already
switched to its new basetable pointer, but the old L1 page tables
must be out there, somewhere, and are stil validated.

-- Trammell

Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>