Re: [PATCH 4/8] x86 boot: allow overlapping ebda and efi memmapmemory ranges

[Paul Jackson]

Huang wrote:
> I think it is sufficient for boot loader to avoid memory area from
> 0x9f000 to 0x100000. This can be seen as compatible code for legacy
> BIOS.

That might work -- I'll give it a try.

> I think if EBDA area is used in EFI system, it should be reserved in EFI
> memory map.

Would you recommend doing this with code in arch/x86/kernel/head.c,
that did not invoke reserve_ebda_region() if efi_enabled was set?

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