linux-kernel - Re: 2.6.26, PAT and AMD family 6

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Message-ID: <48227C2B.6060201@zytor.com>
Date:	Wed, 07 May 2008 21:06:03 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yhlu.kernel@...il.com>
CC:	Rene Herman <rene.herman@...access.nl>,
	Daniel Hazelton <dhazelton@...er.net>,
	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.26, PAT and AMD family 6

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

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