From: Yinghai Lu <Yinghai.Lu@Sun.COM>
To: Ingo Molnar <mingo@elte.hu>
Cc: venkatesh.pallipadi@intel.com, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] X86: fix typo PAT to X86_PAT
Date: Fri, 18 Jan 2008 01:03:37 -0800 [thread overview]
Message-ID: <200801180103.37771.yinghai.lu@sun.com> (raw)
In-Reply-To: <20080118081040.GB16597@elte.hu>
On Friday 18 January 2008 12:10:40 am Ingo Molnar wrote:
>
> * Yinghai Lu <Yinghai.Lu@Sun.COM> wrote:
>
> > config MTRR
> > bool "MTRR (Memory Type Range Register) support"
> > - depends on !PAT
> > + depends on !X86_PAT
> > ---help---
> > On Intel P6 family processors (Pentium Pro, Pentium II and later)
> > the Memory Type Range Registers (MTRRs) may be used to control
>
> 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.
YH
next prev parent reply other threads:[~2008-01-18 9:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-18 3:50 [PATCH] X86: fix typo PAT to X86_PAT Yinghai Lu
2008-01-18 8:10 ` Ingo Molnar
2008-01-18 9:03 ` Yinghai Lu [this message]
2008-01-18 12:31 ` Ingo Molnar
2008-01-18 18:24 ` Dave Jones
2008-01-18 18:47 ` Pallipadi, Venkatesh
2008-01-18 18:56 ` Dave Jones
2008-01-18 21:03 ` Ingo Molnar
2008-01-18 21:02 ` Ingo Molnar
2008-01-19 3:28 ` Dave Jones
2008-01-19 7:56 ` [PATCH] X86: disable X86_PAT really Yinghai Lu
2008-01-19 7:58 ` [PATCH] X86: fix typo PAT to X86_PAT Yinghai Lu
2008-01-22 18:26 ` Pallipadi, Venkatesh
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