linux-kernel - Re: [PATCH 0/5][RFC] Physical PCI slot objects

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Date:	Wed, 14 Nov 2007 17:44:01 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Greg KH <greg@...ah.com>
Cc:	Alex Chiang <achiang@...com>, gregkh@...e.de,
	kristen.c.accardi@...el.com, lenb@...nel.org, matthew@....cx,
	rick.jones2@...com, linux-kernel@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz,
	pcihpd-discuss@...ts.sourceforge.net, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 0/5][RFC] Physical PCI slot objects

On Tue, Nov 13, 2007 at 12:26:32PM -0800, Greg KH wrote:

> Doesn't /sys/firmware/acpi give you raw access to the correct tables
> already?
> 
> And isn't there some other tool that dumps the raw ACPI tables?  I
> thought the acpi developers used it all the time when debugging things
> with users.

Dumping raw ACPI tables isn't adequate - _SUN might be a complex ACPI 
method with multiple reads and writes to raw hardware, and we really 
don't want to do that in userspace. The only way to do this reliably is 
in the kernel.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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