Re: [Xen-devel] Can I use xc_map_foreign_range() on a paused dom

To:	Randy Thelen <rthelen@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] Can I use xc_map_foreign_range() on a paused domain?
From:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date:	Tue, 24 Oct 2006 20:24:32 +0100
Delivery-date:	Tue, 24 Oct 2006 12:24:57 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxx
In-reply-to:	<016461EB-F145-415D-8EE6-6D9E2B5C7A9E@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:	Acb3oggkRpq6/2OVEdusTQAKle7CWA==
Thread-topic:	[Xen-devel] Can I use xc_map_foreign_range() on a paused domain?
User-agent:	Microsoft-Entourage/11.2.5.060620

On 24/10/06 7:33 pm, "Randy Thelen" <rthelen@xxxxxxxxxx> wrote:

> I've written a pretty simple program to peer into a guest domain and
> I'm getting an error.  I'm wondering what the explanation is and I'm
> hoping one of you can help.  Here's my program which I wrote in xen-
> unstable/tools/libxc/ as test.c and linked against the libxenctrl.a:

You specifically chose a page-table page. You cannot map that for write
access, even in domain 0. If you try to map it read-only, the mapping should
succeed.

 -- Keir

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

WARNING - OLD ARCHIVES

xen-devel

Re: [Xen-devel] Can I use xc_map_foreign_range() on a paused domain?