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

[Yinghai Lu]

On Wed, Dec 19, 2012 at 3:43 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> 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
>

i'm confused. permanent one is in tip/x86/mm2 right?

for for-x86-boot:
so you want v7 plus attached patch ? that change to 2M per PF.

Yinghai

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