linux-kernel - RE: [git head] Should X86_PAT really default to yes?

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Date:	Mon, 5 May 2008 10:00:15 -0700
From:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
To:	"Frans Pop" <elendil@...net.nl>,
	"Yinghai Lu" <yhlu.kernel@...il.com>
Cc:	"Barnes, Jesse" <jesse.barnes@...el.com>,
	<linux-kernel@...r.kernel.org>, "Ingo Molnar" <mingo@...e.hu>,
	"Packard, Keith" <keith.packard@...el.com>
Subject: RE: [git head] Should X86_PAT really default to yes?

 

>-----Original Message-----
>From: Frans Pop [mailto:elendil@...net.nl] 
>Sent: Monday, May 05, 2008 9:55 AM
>To: Yinghai Lu
>Cc: Barnes, Jesse; Pallipadi, Venkatesh; 
>linux-kernel@...r.kernel.org; Ingo Molnar; Packard, Keith
>Subject: Re: [git head] Should X86_PAT really default to yes?
>
>On Sunday 04 May 2008, Yinghai Lu wrote:
>> can you boot with pat=off and send out /proc/mtrr?
>
>Hmmm. Is 'pat=off' supposed to do anything?
>

The option for this is actually "nopat".

Thanks,
Venki
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