Re: [gentoo-user] Microcode update AMD

[meino.cramer@gmx.de]

Volker Armin Hemmann <volkerarmin@googlemail.com> [11-01-17 20:52]:
> On Monday 17 January 2011 20:19:04 meino.cramer@gmx.de wrote:
> > Volker Armin Hemmann <volkerarmin@googlemail.com> [11-01-17 20:16]:
> > > On Monday 17 January 2011 18:21:48 meino.cramer@gmx.de wrote:
> > > > Hi,
> > > > 
> > > > I have two questions:
> > > >  1) Do I have to enable microcode updates in the BIOS of my
> > > >  Crosshair
> > > >  
> > > >     IV Formula to activate microcodes push in the CPU by the
> > > >     module
> > > >     "microcode" ? (AMD Phenom X6 1090T)
> > > 
> > > you ALWAYS have to activate that! This way the bios updates the
> > > microcode with the latest version it is carrying around. Not activating
> > > that option is really, really stupid. For many reasons. It is also
> > > (almost) completely unrelated to that blob.
> > > 
> > > That blob is for the OS so you can upload an even more recent version of
> > > microcode. In case your bios sucks. For example.
> > > 
> > > >  2) Does anyone know, what these microcodes do? They are fixes
> > > >  for...
> > > >  
> > > >     ...what?
> > > 
> > > the CPU. All CPUs use microcode. For decades. Google, or go straight to
> > > wikipedia.
> > > http://en.wikipedia.org/wiki/Microcode
> > 
> > Cool down. I know for waht microcodes are good for.
> > 
> > My question means: What specific bugs/features of my CPU get fixed,
> > when I use the microcde included in the recent microcode update???
> 
> nobody knows.
> 

So...why should I try unknown code patched into my CPU.

It looks like "install this virus" from the security point
of view, doesn't ist?