linux-kernel - Re: [sodaville] [PATCH 03/11] x86/dtb: Add a device tree for CE4100

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Message-ID: <4CF3F04F.6090202@linux.intel.com>
Date:	Mon, 29 Nov 2010 10:26:23 -0800
From:	"H. Peter Anvin" <hpa@...ux.intel.com>
To:	Mitch Bradley <wmb@...mworks.com>
CC:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	devicetree-discuss@...ts.ozlabs.org, sodaville@...utronix.de,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [sodaville] [PATCH 03/11] x86/dtb: Add a device tree for CE4100

On 11/28/2010 05:34 PM, Mitch Bradley wrote:
> 
> The OLPC interface might be of some use as a starting point, but would 
> need some work.  It is currently in use on AMD Geode, Via C7, and Intel 
> Atom based systems, but, among other issues, it conflicts with the 
> Physical Address Extension feature.
> 

It conflicts with at least PAE, PAT and x86-64.  Since NX requires PAE,
it also conflicts with that.  As such, I would think it would have to be
considered obsolete.

	-hpa
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