Re: [PATCH] x86, microcode: Make reload interface per system

H. Peter Anvin
2012-06-21T00:18:39Z

On 06/20/2012 05:06 PM, Henrique de Moraes Holschuh wrote:
>
> No, because dd if=<whatever> of=/dev/cpu/microcode bs=1M means I have to
> add dd to the initramfs or to busybox, AND it will break the day the
> microcode data file gets bigger than 1M. And it will be at best very
> annoying to have to special case each vendor to locate the correct
> microcode, etc.
>

No.

The whole point is you won't have to put ANYTHING in your initramfs,
period. The early microcode blob will be all you need there.

So the only issue left is what to do when you want to update the
microcode in an already running system.

-hpa

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