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SubjectRe: HIGH MEMORY access
Date
Hi,
The function in question is get_smp_config

1) No it doesent call set_fixmap
2) Even if it did, it wont be able to see > 1GB

Ingo, am I correct?

Best Wishes,
Lyle


>From: Andi Kleen <ak@muc.de>
>To: x_coder@hotmail.com (Lyle Coder)
>CC: linux-kernel@vger.rutgers.edu
>Subject: Re: HIGH MEMORY access
>Date: 04 Mar 2000 02:30:07 +0100
>
>x_coder@hotmail.com (Lyle Coder) writes:
>
> > Hello All,
> > I have a question. The BIOS engineers said that the MPS tables will be
>in
> > the highest region of the available RAM... greater than 1 GB if so much
> > memory is available.
> > Further more, the MPS tables will be in a region reported "unusable" by
>E820
> > (Thats mentioned in the E820 spec).
> >
> > So my question is this...
> > 1) How should we initialize mappings for arbitrary RAM above 1GB so
>early
> > on? Should we just set aside a page directory for temporary
>installation of
> > translations and provide a clean API to do so? We will need this for
>ACPI
> > and PAE too.
>
>Can't you just use set_fixmap, like the current smp code already does for
>MP bios tables ?
>
>
>-Andi
>
>--
>This is like TV. I don't like TV.

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