Re: [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier.

[Yinghai Lu]

On Fri, Aug 23, 2013 at 2:50 PM, chen tang <imtangchen@xxxxxxxxx> wrote:
>>
>> so the DSDT is 7F493E, and total is more than 8M.
>>
>> that will need BRK to be extended 16M?
>>
>
> Then how about use early_ioremap(), and don't do it that early in
> head_32 and head64 ?

why could early_ioremap() help?

when to use early_ioremap()? what for?

Yinghai
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