Re: [PATCH 4/5] x86_64: check msr to get mmconfig for amd family 10h opteron v3

[Yinghai Lu]

On Feb 15, 2008 1:31 AM, Yinghai Lu <Yinghai.Lu@xxxxxxx> wrote:
> From: Yinghai Lu <Yinghai.Lu@xxxxxxx>
>
> so even booting kernel with acpi=off or even MCFG is not there, we still can
> use MMCONFIG.
>
> Signed-off-by: Yinghai Lu <yinghai.lu@xxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxx>
> Cc: Andi Kleen <ak@xxxxxxx>
> Cc: Greg KH <greg@xxxxxxxxx>
> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> ---
>
>  arch/x86/pci/mmconfig-shared.c |   67 ++++++++++++++++++++++++++++---
>  1 file changed, 61 insertions(+), 6 deletions(-)
>
> Index: linux-2.6/arch/x86/pci/mmconfig-shared.c
> ===================================================================
> --- linux-2.6.orig/arch/x86/pci/mmconfig-shared.c
> +++ linux-2.6/arch/x86/pci/mmconfig-shared.c

Ingo/Thomas,

It seems you missed this one in the 5.

this one should be safe. it only reads msr.

Andi had concern with other one that was touching msr. I will keep
that one in my local tree.

YH
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