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Date: Wed, 19 Dec 2012 15:43:36 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Yinghai Lu <yinghai@kernel.org>
CC: Borislav Petkov <bp@alien8.de>, Jacob Shin <jacob.shin@amd.com>,
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        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
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Subject: Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early update
 ucode on Intel's CPU
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On 12/19/2012 03:40 PM, Yinghai Lu wrote:
> On Wed, Dec 19, 2012 at 3:22 PM, H. Peter Anvin <hpa@zytor.com> 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.