Re: [PATCH v2 01/10] Documentation/x86: Early load microcode

From: H. Peter Anvin
Date: Fri Nov 30 2012 - 14:47:01 EST


On 11/29/2012 05:47 PM, Fenghua Yu wrote:
> +
> +mkdir initrd
> +cd initrd
> +cp ../microcode.hex kernel/x86/microcode/GenuineIntel/microcode.hex
> +find .|cpio -oc >../ucode.cpio
> +cd ..
> +cat ucode.cpio /boot/initrd-3.5.0.img >/boot/initrd-3.5.0.ucode.img
> +
> +The generated /boot/initrd-3.5.0.ucode.img can be used as initrd file to load
> +microcode during early boot time.
>

This is wrong; first of all, this refers to microcode.hex whereas the
patch refers to microcode.bin, and it misses the mandatory -H newc
option to cpio.

Could you update this bit, please?

-hpa

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