From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gerd Hoffmann <kraxel@suse.de>
Subject: Re: guest kexec / domU boot loader
Date: Wed, 15 Mar 2006 12:40:32 +0100
Message-ID: <4417FD30.6020802@suse.de>
References: <44115A90.2050303@suse.de>
	<7ab24978871318ae238e7e362c861706@cl.cam.ac.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <7ab24978871318ae238e7e362c861706@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: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: Xen devel list <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org

Keir Fraser wrote:

> With auto_translate, you should use the new MEMOP_add_to_physmap call.
> It allows you to move shared_info and grant_table pages around in the
> physmap space (if you call and they already have a mapping, the old
> mapping goes away).

What happens with the place where the mapping was?  Does a hole appear
there or is the "magic" page replaced by a normal page?  Can I move the
console and xenstore pages too?

> I could also add a gpfn special value to have them
> removed from the physmap entirely (maybe useful for kexec?).

I don't see a need for that right now.

cheers,

  Gerd

-- 
Gerd 'just married' Hoffmann <kraxel@suse.de>
I'm the hacker formerly known as Gerd Knorr.
http://www.suse.de/~kraxel/just-married.jpeg