From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: confusion over vcpumask in mmuext_op
Date: Thu, 04 Jan 2007 09:44:20 +0000
Message-ID: <C1C27CF4.70FD%keir@xensource.com>
References: <200701040241.47438.mark.williamson@cl.cam.ac.uk>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <200701040241.47438.mark.williamson@cl.cam.ac.uk>
List-Unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Mark Williamson <mark.williamson@cl.cam.ac.uk>, xen-devel@lists.xensource.com
Cc: John Levon <levon@movementarian.org>
List-Id: xen-devel@lists.xenproject.org




On 4/1/07 02:41, "Mark Williamson" <mark.williamson@cl.cam.ac.uk> wrote:

> So actually the field vcpumask is currently being compiled as a void *.

And we get away with this because, on x86, there is no ABI difference
between a guest handle and a plain pointer. This was done just as an
interface cleanup, and because I think it makes Jan's 32-on-64 work easier.

 -- Keir