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

From: H. Peter Anvin
Date: Fri Dec 14 2012 - 15:53:23 EST


On 12/14/2012 12:17 PM, Yinghai Lu wrote:
> On Fri, Dec 14, 2012 at 12:10 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>> What info are you referring to?
>
> pointer to init_level4_pgt page.
>

We point the trampoline at the proper page tables in swapper_pg_dir;
this means pushing realmode initialization (but not reservation!) after
pagetable_init(), but that should be fine I *believe*... the big
question is if we have something that wants to invoke EFI before then,
if so it could get tricky.

-hpa

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/