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

[Top] [All Lists]
<prev [Date] next>
[Advanced]
 <prev [Thread] next>

Re: [Xen-devel] the ptwr cmpxchg fix

from [John Levon] [Permanent Link][Original]
To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] the ptwr cmpxchg fix
From: John Levon <levon@xxxxxxxxxxxxxxxxx>
Date: Mon, 22 Oct 2007 13:09:41 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Mon, 22 Oct 2007 05:11:00 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <C33E1D76.F1A4%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: <20071018195852.GA24383@xxxxxxxxxxxxxxxxxxxxxxx> <C33E1D76.F1A4%Keir.Fraser@xxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.9i 
On Fri, Oct 19, 2007 at 08:38:14AM +0100, Keir Fraser wrote:

> Yes, deciding whether to add _PAGE_USER based on Xen version seems the best
> way to go.

OK.

> Bear in mind that the ABI bug affects *only* cmpxchg of
> pagetables.

Yep. Unfortunately we use that rather heavily, although Linux doesn't :)

regards
john

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
[More with this subject...]
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  Re: [Xen-devel] PV guest + shadow paging, Samuel Thibault
Next by Date:  [Xen-devel] [PATCH][TOOLS] xenstore: NetBSD fix plus minor cleanup, Christoph Egger
Previous by Thread:  Re: [Xen-devel] the ptwr cmpxchg fix, Keir Fraser
Next by Thread:  Re: [Xen-devel] the ptwr cmpxchg fix, Keir Fraser
Indexes:  [Date] [Thread] [Top] [All Lists]
 
   

Copyright , Citrix Systems Inc. All rights reserved. Legal and Privacy