Hi,
The patch worked, but on my system, the MP tables are in the low BIOS
area...
I had a question. Say we did do paging_init before MP table parsing... how
do we get access to the high memory addresses for which we dont have any
translations in the page tables yet? Should we use something like ioremap
or kmap? This is because Linus said the MP tables can be in the HIGH BIOS
area... so how do we get access to those memory addresses after paging is
initialized?
Thanks
>From: Ingo Molnar <mingo@chiara.csoma.elte.hu>
>To: Linus Torvalds <torvalds@transmeta.com>
>CC: linux-kernel@vger.rutgers.edu, Lyle Coder <x_coder@hotmail.com>, Alan
>Cox <alan@lxorguk.ukuu.org.uk>
>Subject: [patch] smp-2.3.48-B2, MP config table in high memory
>Date: Fri, 25 Feb 2000 23:29:34 +0100 (CET)
>
>
> > Not surprising. We probably have tons of small ordering assumptions
> > that just never came up..
>
>it just turned out to be a single assumption: init_apic_mappings() must
>happen after init_smp_config(). (this also explains my crash)
>
>The attached smp-2.3.48-B2 patch (against pre2-2.3.48) boots just fine
>here. The reserve_bootmem() thing might just be paranoia - is there any
>conceivable possibility that pagetable_init() overwrites the MP table?
>
>Lyle, could you check out this patch on your 'interesting' system? Thanks.
>
> Ingo
>
><< smp-2.3.48-B2 >>
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