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

[Xen-devel] Re: [RFC, PATCH 1/24] i386 Vmi documentation

To: Andi Kleen <ak@xxxxxxx>
Subject: [Xen-devel] Re: [RFC, PATCH 1/24] i386 Vmi documentation
From: Chris Wright <chrisw@xxxxxxxxxxxx>
Date: Wed, 22 Mar 2006 13:57:32 -0800
Cc: Andrew Morton <akpm@xxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxxxx>, Kip Macy <kmacy@xxxxxxxxxxx>, Zachary Amsden <zach@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxx>, Christopher Li <chrisl@xxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, Jyothy Reddy <jreddy@xxxxxxxxxx>, Joshua LeVasseur <jtl@xxxxxxxxxx>, Jack Lo <jlo@xxxxxxxxxx>, Dan Hecht <dhecht@xxxxxxxxxx>, Wim Coekaerts <wim.coekaerts@xxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxxxxxx>, Pratap Subrahmanyam <pratap@xxxxxxxxxx>, Ky Srinivasan <ksrinivasan@xxxxxxxxxx>, Leendert van Doorn <leendert@xxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxx>, Anne Holler <anne@xxxxxxxxxx>, Dan Arai <arai@xxxxxxxxxx>
Delivery-date: Thu, 23 Mar 2006 17:52:03 +0000
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <200603222213.45910.ak@xxxxxxx>
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: <200603131759.k2DHxeep005627@xxxxxxxxxxxxxxxxxxx> <200603222105.58912.ak@xxxxxxx> <20060322213435.GI15997@xxxxxxxxxxxxxxxxxx> <200603222213.45910.ak@xxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.4.2.1i
* Andi Kleen (ak@xxxxxxx) wrote:
> Even then it's useless for many flags because any user program can (and will) 
> call CPUID directly. 

Yes, doesn't handle userspace at all.  It's useful only to get coherent
view of flags in kernel.  Right now, for example, Xen goes in and
basically masks off flags retroactively which is not that nice either.

thanks,
-chris

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

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