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From: "Yinghai Lu" <yinghai@kernel.org>
To: "J.A. Magallón" <jamagallon@ono.com>
Cc: Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] x86: mtrr_cleanup try gran_size to less than 1M
Date: Thu, 2 Oct 2008 15:39:34 -0700	[thread overview]
Message-ID: <86802c440810021539y6cdff33dh9df3e04eba85a9df@mail.gmail.com> (raw)
In-Reply-To: <20081003003237.04469201@werewolf.home>

On Thu, Oct 2, 2008 at 3:32 PM, J.A. Magallón <jamagallon@ono.com> wrote:
> On Mon, 29 Sep 2008 18:54:12 -0700, Yinghai Lu <yhlu.kernel@gmail.com> wrote:
>
> Also, on a 64 bit box with 4Gb, it gives this:
>
> cicely:~# cat /proc/mtrr
> reg00: base=0x00000000 (   0MB), size=4096MB: write-back, count=1
> reg01: base=0x100000000 (4096MB), size=1024MB: write-back, count=1
> reg02: base=0x140000000 (5120MB), size= 512MB: write-back, count=1
> reg03: base=0x160000000 (5632MB), size= 256MB: write-back, count=1
> reg04: base=0x80000000 (2048MB), size=2048MB: uncachable, count=1
>
boundary handling may have problem...

should have
> reg00: base=0x00000000 (   0MB), size=2048MB: write-back, count=1
> reg01: base=0x100000000 (4096MB), size=1024MB: write-back, count=1
> reg02: base=0x140000000 (5120MB), size= 512MB: write-back, count=1
> reg03: base=0x160000000 (5632MB), size= 256MB: write-back, count=1

can you post /proc/mtrr with disable_mtrr_cleanup?

YH

  reply	other threads:[~2008-10-02 22:39 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-30  1:54 [PATCH 1/2] x86: mtrr_cleanup prepare to make gran_size to less 1M Yinghai Lu
2008-09-30  1:54 ` [PATCH 2/2] x86: mtrr_cleanup try gran_size to less than 1M Yinghai Lu
2008-10-02 22:03   ` J.A. Magallón
2008-10-02 22:33     ` Yinghai Lu
2008-10-02 22:52       ` Yinghai Lu
2008-10-02 23:00         ` J.A. Magallón
2008-10-02 23:20           ` Yinghai Lu
2008-10-02 22:58       ` J.A. Magallón
2008-10-02 23:55       ` D. Hugh Redelmeier
2008-10-03  1:27         ` Yinghai Lu
2008-10-02 22:32   ` J.A. Magallón
2008-10-02 22:39     ` Yinghai Lu [this message]
2008-10-02 22:46       ` Yinghai Lu
2008-10-03  7:38         ` Ingo Molnar
2008-10-02 23:20       ` J.A. Magallón
2008-10-02 23:45         ` Yinghai Lu
2008-10-03  7:37     ` Ingo Molnar
2008-10-03  7:38       ` H. Peter Anvin
2008-10-03  7:42         ` Ingo Molnar
2008-10-03  7:44           ` H. Peter Anvin
2008-10-03 14:57         ` D. Hugh Redelmeier
2008-10-03  7:40       ` H. Peter Anvin
2008-10-03  7:44         ` Ingo Molnar
2008-10-03  7:41       ` J.A. Magallón
2008-09-30  4:07 ` [PATCH 1/2] x86: mtrr_cleanup prepare to make gran_size to less 1M H. Peter Anvin
2008-09-30  7:45   ` Ingo Molnar
2008-09-30  8:11     ` Ingo Molnar
2008-09-30 16:06       ` Yinghai Lu
2008-09-30 18:50       ` H. Peter Anvin

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