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

[H. Peter Anvin]

On 12/19/2012 03:40 PM, Yinghai Lu wrote:
> On Wed, Dec 19, 2012 at 3:22 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> > The other bit is that building the real kernel page tables iteratively
> > (ignoring the early page tables here) is safer, since the real page
> > table builder is fully aware of the memory map.  This means any
> > "spillover" from the early page tables gets minimized to regions where
> > there are data objects that have to be accessed early.  Since Yinghai
> > already had iterative page table building working, I don't see any
> > reason to not use that capability.
>
> that is v6, right?
>
> including that patch

No, that's just a different way to create the early page tables (and it 
doesn't solve anything, quite on the contrary.)  I'm talking about the 
strategy for creating the *permanent* page tables

	-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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