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

[Yinghai Lu]

On Mon, Dec 10, 2012 at 10:34 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>
> That doesn't work if the microcode is replaced at runtime.  However, vmalloc
> doesn't work either since 32 bits needs any one blob to be physically
> contiguous.  I have suggested Fenghua replace it with a linked list of
> kmalloc areas, one for each blob.

you mean:
keep the all of version, and update code need to go over the list to
find latest before apply update?

BTW, do we really need to update microcode so early?

Yinghai
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