References: <20080808195743.7EDAEB88F@nebuchadnezzar.smejdil.cz>
            <489CB25B.9040801@zytor.com>
In-Reply-To: <489CB25B.9040801@zytor.com>
From: "CIJOML" <cijoml@volny.cz>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de
Subject: Re: PATCH: enable PAT at Pentium M 1.7 GHz
Date: Sat, 09 Aug 2008 06:24:00 +0200
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H. Peter Anvin writes: 

> CIJOML wrote:
>> Hi there,
>> Sending oneliner enabling PAT at my Pentium M 1.7 GHz CPU. It simply 
>> works.
> 
> That's not really the right way to do that.  Unfortunately the likely 
> failure scenario is "data corruption after a month of uptime."  Thus, we 
> really need someone to review the relevant errata; I believe Venki is 
> planning to do so. 
> 
> 	-hpa

Well the truth is, that I use this little tweak from 2.6.26-rc and first cpu 
having PAT was P3 XEON. And because Intel has backward compatibility, it is 
safe to use it.
I don't have any problem with loosing data or any suspend/resume problems 
with this. 

Reference:
http://safari.ibmpressbooks.com/032124656X/ch32 

Best regards 

Michal
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