linux-kernel - Re: [lm-sensors] Could the k8temp driver be interfering with ACPI?

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Message-ID: <20070302114747.GB1212@srcf.ucam.org>
Date:	Fri, 2 Mar 2007 11:47:47 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Pavel Machek <pavel@....cz>
Cc:	Jean Delvare <khali@...ux-fr.org>,
	Chuck Ebbert <cebbert@...hat.com>,
	Rudolf Marek <r.marek@...embler.cz>,
	linux-acpi@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	lm-sensors@...sensors.org
Subject: Re: [lm-sensors] Could the k8temp driver be interfering with ACPI?

On Fri, Mar 02, 2007 at 12:40:23PM +0100, Pavel Machek wrote:

> Whitelist seems like a way to go :(.

The DSDT code clearly can't touch the hardware itself - hardware access 
is carried out by the kernel. If we can identify cases where ACPI reads 
and writes would touch resources claimed by other drivers, that would be 
a good starting point for working out what's going on.

Of course, this ignores the case where the DSDT just traps into SMM 
code. That one is clearly unsolvable.
-- 
Matthew Garrett | mjg59@...f.ucam.org
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