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

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Message-ID: <20090309081109.376f7a7e@infradead.org>
Date:	Mon, 9 Mar 2009 08:11:09 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Sitsofe Wheeler <sitsofe@...oo.com>
Cc:	Dragoslav Zaric <dragoslav.zaric.kd@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Linux* Processor Microcode Data File

On Mon, 9 Mar 2009 14:16:55 +0000
Sitsofe Wheeler <sitsofe@...oo.com> wrote:

> On Mon, Mar 09, 2009 at 10:43:57AM +0100, Dragoslav Zaric wrote:
> 
> > So, does new kernel versions just copy this microcode update file in
> > /etc/firmware folder or new
> > instructions are replaced in assembly code ?
> 
> The kernel doesn't load microcode automatically 


it does if you have the right format; the kernel uses
request_firmware() for this.
The microcode on the intel website is not ready for this yet, but we're
working hard to have future drops to be in the new format.


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
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