From: Harry Butterworth <harry@hebutterworth.freeserve.co.uk>
To: ewan@xensource.com, xen-devel@lists.xensource.com
Subject: [Fwd: Re: [RFC][PATCH] allow dom0 to power off machine using ACPI on shutdown.]
Date: Fri, 07 Apr 2006 11:31:50 +0100 [thread overview]
Message-ID: <1144405910.7776.5.camel@localhost.localdomain> (raw)
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Ewan,
Keir seems to think this patch is OK. I tested it on an
Intellistation A Pro for x86_64 and it works for me. I think it is low
risk because it's executed at the end of the shutdown process. Please
apply.
http://lists.xensource.com/archives/html/xen-devel/2006-04/msg00223.html
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From: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
To: Harry Butterworth <harry@hebutterworth.freeserve.co.uk>
Cc: xen-devel@lists.xensource.com
Subject: Re: [Xen-devel] [RFC][PATCH] allow dom0 to power off machine using ACPI on shutdown.
Date: Fri, 7 Apr 2006 08:27:50 +0100
Message-ID: <461bea0b36f0398882dec8610f691f54@cl.cam.ac.uk>
On 6 Apr 2006, at 22:22, Harry Butterworth wrote:
> It might be better to install the hypervisor call in pm_power_off and
> let it get replaced by the acpi_power_off call if ACPI is detected.
> That would seem to fit in better with the way the x86 arch handles
> multiple power off strategies.
>
> I haven't looked to see how the other architectures do power off yet.
>
> Was hoping for some comment about whether to do power off in xen or in
> domU and whether the hypervisor needed notification.
I think your patch looked okay for now, actually. Alternatively our
machine_restart() could be moved into arch-specific code files. Doing
the power off in dom0 is fine -- as you say, Xen doesn't do anyhting
special before shutdown.
-- Keir
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