From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olaf Hering <olaf@aepfle.de>
Subject: Re: [PATCH] tools/hvmloader: move shared_info to
 reserved memory area
Date: Thu, 25 Oct 2012 09:51:06 +0200
Message-ID: <20121025075106.GA16484@aepfle.de>
References: <6a0c73ae9ce5cca72f78.1351101425@probook.site>
	<CCAD8A0E.4269A%keir.xen@gmail.com>
	<20121025074223.GA15400@aepfle.de>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
Content-Disposition: inline
In-Reply-To: <20121025074223.GA15400@aepfle.de>
List-Unsubscribe: <http://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Keir Fraser <keir.xen@gmail.com>
Cc: xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org

On Thu, Oct 25, Olaf Hering wrote:

> On Wed, Oct 24, Keir Fraser wrote:
> 
> > Which can be as simple as the attached patch (in fact all the changes apart
> > from introducing GUEST_RESERVED_{START,END} are really cleaning up and
> > bug-fixing the out-of-space checks in the mem_hole_alloc/mem_alloc
> > functions).
> > 
> > This then just requires that the guest maps shared-info to FE700000 itself.
> > Should be quite easy. :)
> 
> The patch works for me. And the kernel patch I sent yesterday works as
> well.
> Is the memory area starting from 0xFC000000 also reserved in older
> versions, such as Xen3?

And if the guest runs on an older tool stack, is there a slim chance
that something allocated memory up to 0xFE700000?

Olaf