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Date: Sat, 05 Nov 2005 11:55:17 -0800
From: Nate Lawson <nate@root.org>
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To: Mathieu Prevot <bsdhack@club-internet.fr>
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Cc: freebsd-acpi@FreeBSD.org
Subject: Re: ACPI and 3.0 specification
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Mathieu Prevot wrote:
>> acpi 3.0 adds very little useful stuff unless you're interested in  
>> large NUMA machines.  We'd be better off implementing more support  
>> for those systems in the main kernel and then acpi, not the other  way 
>> around.
>>
>> -- 
>> Nate
> 
> 
> Thanks for these pieces of information. Do you implement first in the  
> kernel for performance only ? It seems to be the hard way.
> Regards

It's in the kernel because the kernel needs it for configuration.  When 
probing the bus topology, no user code is even runnable yet.

-- 
Nate