Date: Fri, 18 Jan 2008 13:31:40 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Yinghai Lu <Yinghai.Lu@Sun.COM>
Cc: venkatesh.pallipadi@intel.com, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] X86: fix typo PAT to X86_PAT
Message-ID: <20080118123140.GI11044@elte.hu>
References: <200801171950.32458.yinghai.lu@sun.com> <20080118081040.GB16597@elte.hu> <200801180103.37771.yinghai.lu@sun.com>
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* Yinghai Lu <Yinghai.Lu@Sun.COM> wrote:

> > thanks. But, i think we should rather do the following: if X86_PAT 
> > is eanbled then /proc/mtrr should be read-only. There's no problem 
> > _looking_ at MTRR contents, as long as we do not try to modify them. 
> > Hm?
> 
> anyway
> 
> depends on !PAT
> 
> need to be removed.
> 
> it seems when PAT is used, some code still touch MTRR.

you mean modifies MTRRs? Which code is that? (besides the /proc/mtrr 
userspace API)

	Ingo
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