linux-kernel - Re: [PATCH] X86: fix typo PAT to X86

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Date:	Fri, 18 Jan 2008 13:31:40 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <Yinghai.Lu@....COM>
Cc:	venkatesh.pallipadi@...el.com, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] X86: fix typo PAT to X86_PAT


* Yinghai Lu <Yinghai.Lu@....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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