Re: [patch-2.3.46-p2] P6 microcode update support

From: H. Peter Anvin (hpa@transmeta.com)
Date: Thu Feb 17 2000 - 21:23:29 EST


Horst von Brand wrote:
>
> > ... right, and the process is almost certainly CPL 0 only, so it needs
> > to be in kernel space anyhow.
>
> What still worries me a bit is that intel places strict restrictions on
> this. On the other hand, this is kernel bloat IMVHO: It is functionality
> that should be used during boot (if at all), and then jettisoned.
>

Loadable kernel modules are a beautiful thing.

The restrictions Intel place on this makes this probably a bad idea in
case of the P6. Another issue is that, of course, other processors
might have other constraints on how this operation is performed.

        -hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."

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