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

Horst von Brand (vonbrand@sleipnir.valparaiso.cl)
Thu, 17 Feb 2000 23:15:58 -0300

"H. Peter Anvin" <hpa@transmeta.com> said:
> Horst von Brand wrote:
> > Ralf Baechle <ralf@uni-koblenz.de> said:
> > > On Wed, Feb 16, 2000 at 12:39:07PM -0300, Horst von Brand wrote:
> > > > If none of the above this an option, I'd vote for a non-ia32 specific
> > > > name, so other CPUs with this option can reuse it. /dev/mcde? /dev/mud?
> > > > /dev/cpumu?

> > > The process is so architecture specific that this hardly makes sense.
> > > For MIPS for example ``cat firmware > /dev/null'' is sufficient, there is
> > > no stinking firmware :-)

> > The _process_ may be, but not the idea of "odwnloading firmware somehow".

> ... 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.

-- 
Horst von Brand                             vonbrand@sleipnir.valparaiso.cl
Casilla 9G, Viņa del Mar, Chile                               +56 32 672616




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