Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early update ucode on Intel's CPU

[Yinghai Lu <yinghai@xxxxxxxxxx>]

On Fri, Dec 14, 2012 at 11:46 AM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>
> That patch doesn't apply on top of the merge of x86/mm2 and
> linus/master.  A trivial fixup is totally nonfunctional -- no
> earlyprintk, just a null pointer death in setup_real_mode().

just saw linus pulled efi fix that is touching real_mode/init.c.
and there is something wrong with it.

will check that...

>
> I suspect we don't need init_level4_pgt at all and should just plan to
> get rid of it.  Is there any reason we can't just build the proper
> kernel page table set in pagetable_init() and switch to it there?

then how to pass the info to AP?
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