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

Re: [Xen-devel] [patch]Add a new reboot method

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] [patch]Add a new reboot method
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 29 May 2008 13:35:25 +0100
Cc: Huacai Chen <huacai.chen@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Thu, 29 May 2008 05:36:05 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <C4645DC1.21647%keir.fraser@xxxxxxxxxxxxx>
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: AcjBhirsaTIKjS15Ed28TQAX8io7RQAAkzns
Thread-topic: [Xen-devel] [patch]Add a new reboot method
User-agent: Microsoft-Entourage/11.4.0.080122
On 29/5/08 13:18, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote:

>> Which takes us back to ACPI. If 0xcf9 is the correct process the ACPI
>> method should use it.
> 
> One issue here is that Xen itself does not support the ACPI reboot method.
> It would be easy for Xen to do so since the reset register is probed via a
> fixed entry in the FADT. I would very much like a patch to add support for
> this -- far more than this 0xcf9 hack!

Actually it looks like Linux does not support ACPI reboot either.
acpi_reboot() in the kernel is a no-op isn't it?

Perhaps supporting it does more harm than good for compatibility?

 -- Keir



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