WARNING - OLD ARCHIVES

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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] CONFIG_XEN_COMPAT_030002 broken?

To: Jan Beulich <jbeulich@xxxxxxxxxx>, Gerd Hoffmann <kraxel@xxxxxxx>, Keir Fraser <keir@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] CONFIG_XEN_COMPAT_030002 broken?
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Tue, 14 Nov 2006 11:50:45 +0000
Cc: Xen devel list <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Tue, 14 Nov 2006 03:51:01 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <4559B322.76E4.0078.0@xxxxxxxxxx>
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>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AccH4x5CXOCD/nPWEduw5QAX8io7RQ==
Thread-topic: [Xen-devel] CONFIG_XEN_COMPAT_030002 broken?
User-agent: Microsoft-Entourage/11.2.5.060620
On 14/11/06 11:14, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

>> By the way, the test of whether to poke in PAGE_USER can be done by looking
>> at one of the initial mappings provided by the domain builder. If one of
>> those ptes contains PAGE_USER, you know you need to use PAGE_USER for all
>> kernel mappings.
> 
> How would this work? adjust_guest_l1e() (and BASE_PROT for dom0) forces
> PAGE_USER on even on 3.0.3, so I still shouldn't find any L1 page table
> entries
> not having this bit set when looking at them from kernel code.

Oh, good point! Okay then the more straightforward XENVER_version check will
have to be used: 3.0.3 and newer, versus 3.0.2 and older.

 -- Keir


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel