linux-kernel - Re: [PATCH] ACPI: make some IO ports off-limits to AML

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Message-ID: <20090204061505.GD28321@srcf.ucam.org>
Date:	Wed, 4 Feb 2009 06:15:05 +0000
From:	Matthew Garrett <mjg@...hat.com>
To:	Len Brown <lenb@...nel.org>
Cc:	linux-acpi@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ACPI: make some IO ports off-limits to AML

On Tue, Feb 03, 2009 at 10:59:43PM -0500, Len Brown wrote:

> Start using this interface to prevent AML from accessing
> some well known IO addresses that the OS "owns".

It might be nice to extend this to cover the other ports listed at 
http://www.microsoft.com/whdc/archive/BIOSAML.mspx if (and only if) the 
firmware requested _OSI("Windows 2001") or later.

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