Re: [PATCH v2 1/3] x86, boot: add mmio serial during compressed boot

From: H. Peter Anvin
Date: Tue Jul 16 2013 - 15:42:34 EST


On 07/16/2013 12:40 PM, Kees Cook wrote:
>>
>> I think setting up a dynamic #PF handler is the right thing for the
>> decompressor, we already did for the kernel proper.
>
> I'm not sure how to accomplish this yet. I'm still trying to
> understand how the page tables are arranged. :)
>

Look at the handler at the top of arch/x86/kernel/head64.c.

-hpa


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