Re: [PATCH 3/8] x86/boot/64: Add support of additional page table level during early boot

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On Tue, Apr 11, 2017 at 09:02:03AM +0200, Ingo Molnar wrote:
> I realize that you had difficulties converting this to C, but it's not going to 
> get any easier in the future either, with one more paging mode/level added!
> 
> If you are stuck on where it breaks I'd suggest doing it gradually: first add a 
> trivial .c, build and link it in and call it separately. Then once that works, 
> move functionality from asm to C step by step and test it at every step.

I've described the specific issue with converting this code to C in cover
letter: how to make compiler to generate 32-bit code for a specific
function or translation unit, without breaking linking afterwards (-m32
break it).

I would be glad to convert it, but I'm stuck.

Do you have an idea how to get around the issue.

-- 
 Kirill A. Shutemov

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