linux-kernel - Re: Linux* Processor Microcode Data File

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Message-ID: <20090312070759.25d24ab0@infradead.org>
Date:	Thu, 12 Mar 2009 07:07:59 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	"Giacomo A. Catenazzi" <cate@...eee.net>
Cc:	Sitsofe Wheeler <sitsofe@...oo.com>,
	Dragoslav Zaric <dragoslav.zaric.kd@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Linux* Processor Microcode Data File

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



-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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