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Date: Tue, 20 May 2008 15:42:49 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Rene Herman <rene.herman@keyaccess.nl>
CC: Dave Jones <davej@redhat.com>, Mikael Pettersson <mikpe@it.uu.se>,
       Yinghai Lu <yhlu.kernel@gmail.com>,
       Linux Kernel <linux-kernel@vger.kernel.org>,
       Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [X86] Add a boot parameter to force-enable PAT
References: <200805200409.m4K49Ybn024338@gelk.kernelslacker.org> <86802c440805192253s34b3acb2r63c657db86676792@mail.gmail.com> <20080520132306.GB4843@redhat.com> <18482.58121.130009.555407@harpo.it.uu.se> <20080520195846.GA29806@redhat.com> <48334766.1020701@keyaccess.nl> <48334EFA.3070109@zytor.com> <483353DB.7010708@keyaccess.nl>
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Rene Herman wrote:
> On 21-05-08 00:21, H. Peter Anvin wrote:
> 
>> Rene Herman wrote:
>>>> +}
>>>> +__setup("enablepat", x86_forcepat_setup);
>>>
>>> This should probably be called plain "pat" to mirror 
>>> arch/x86/mm/pat.c "nopat" force off parameter. That by the way is an 
>>> early_param which I guess this should then also be?
>>>
>>
>> Either that or "pat={off,on,force}" to give space for other options... 
>> would mean keeping "nopat" around as an alias for now, though...
> 
> Yes, that would be nicer. As to the alias; "nopat" hasn't been in a 
> released kernel yet so should be okay to do away with? It's not like 
> it's in Documentation/kernel-parameters.txt or anything... ;-/
> 

OK, just double-checked... since it's not in Linus we can still change 
it, and as so I'd suggest the pat= option.

	-hpa