Re: Linux* Processor Microcode Data File

From: Arjan van de Ven
Date: Thu Mar 12 2009 - 17:51:01 EST


On Thu, 12 Mar 2009 11:03:11 +0100
"Giacomo A. Catenazzi" <cate@xxxxxxxxxx> wrote:

> >
> > there are various cases where microcode is needed (for example, when
> > you hotplug a new cpu); request_firmware() is just the right way to
> > do such things, and an initscript is just the wrong way
>
> I don't agree ;-)
> I agree that request_firmware method is better than init.d scripts,
> but not that it is the right things. microcodes should be loaded at
> very beginning of boot process, so by BIOS, by GRUB or on hotpug
> event by request_firmware.

... and how do you do CPU hotplug then ?

> BTW: why do we have microcode loading modular?

only the legacy initscript part is modular afaik.



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Arjan van de Ven Intel Open Source Technology Centre
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