Re: Confusions with reserve_early, reserve_bootmem, e820, efi, ...on x86_64

From: Paul Jackson
Date: Thu Jun 12 2008 - 17:53:11 EST


hpa writes:
> It's probably safer to reserve the EBDA even with EFI; it's only a page
> or so so it doesn't matter much.

Reserving EBDA with EFI is fine by what little I know.

But the current code doesn't like it -- if the EFI memmap range is inside
the EBDA range, then the reserve_early() routine panics with:

"Overlapping early reservations"

Something needs tweaking here somehow ... and I'm not the one to know what.

--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@xxxxxxx> 1.940.382.4214
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