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Date: Wed, 07 May 2008 21:06:03 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Yinghai Lu <yhlu.kernel@gmail.com>
CC: Rene Herman <rene.herman@keyaccess.nl>,
       Daniel Hazelton <dhazelton@enter.net>, Ingo Molnar <mingo@elte.hu>,
       Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.26, PAT and AMD family 6
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Yinghai Lu wrote:
> 
> may add enable_pat command line, so other guys could test if their
> cpus are ok with PAT...
> 

That would definitely be good.

Also, we should *not* turn on the PAT bit if it was disabled to begin with.

	-hpa