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

[H. Peter Anvin]

On 12/10/2012 07:55 PM, Yinghai Lu wrote:
> And my suggestion is: after scan and find the ucode, save it to BRK,
> so don't need to adjust
> pointer again, and don't need to copy the blob and update the pointer again.

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.

	-hpa

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

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