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] recent changes to writable page tables on -unstable andx

To: "Kip Macy" <kip.macy@xxxxxxxxx>, "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] recent changes to writable page tables on -unstable andxend
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Fri, 29 Apr 2005 00:56:21 +0100
Delivery-date: Thu, 28 Apr 2005 23:55:59 +0000
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
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: AcVMR9dDQgOsqhAWRmaIEpDIyX46+AABUx9w
Thread-topic: [Xen-devel] recent changes to writable page tables on -unstable andxend
> Any thought on which of the recent writable pagetable changes 
> could be causing an update to fail where it succeeded on xen 
> 6 days ago?

As I recall, we were taking the emulation path every time until quite
recently. Are you sure you were actually using writeable pagetables

You probably want to augment the debug message to print out a bit more
about the old and new pte, page type, and which pages are in wrpt mode.


Xen-devel mailing list

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