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

To: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [patch]Add a new reboot method
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 29 May 2008 16:49:46 +0100
Cc: Huacai Chen <huacai.chen@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Jan Beulich <jbeulich@xxxxxxxxxx>
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On 29/5/08 15:59, "Alan Cox" <alan@xxxxxxxxxxxxxxxxxxx> wrote:

>> ACPI *can* be involved in rebooting though, via FADT's RESET_REGISTER.
>> Question is: why does Linux ignore this reboot method?
> 
> It doesn't. Well at the least upstream version doesn't. We default to
> keyboard currently but that probably wants reconsidering for modern
> systems.

Well, I have to disagree. Looks to me like ACPI reboot is supposed to be
implemented by acpi_reboot() and looking at 2.6.26-rc4 that function is
still stubbed out. Am I missing something?

 -- Keir



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