Re: Description of the Intel CPU bugs

["Dude VanWinkle" <dudevanwinkle () gmail com>]

On 6/28/07, Gadi Evron <ge () linuxbox org> wrote:
> On 2007-06-28 11:55-0400, Dude VanWinkle wrote:
> >On 6/28/07, Larry Seltzer <Larry () larryseltzer com> wrote:
> >>
> >>
> >>de Raadt makes reference to BIOS vendors providing fixes but there's a fix
> >>from Microsoft in a KB article at
> >>http://support.microsoft.com/?kbid=936357. They call it a
> >>"microcode reliability update".
> >>
> >>Does this mean that microcode in these CPUs is actually field-upgradable?
> >
> >
> >Yes. Intel has released patches before for their CPU's. I remember
> >applying some patches for the Pentium III some years back.
>
> These patches in most cases would be work-arounds for
> stability/replacement functionality. They can be bypassed. This is a
> real patch, band-aid like. Or am I wrong?

No, I am pretty sure it was loaded by the BIOS at boot time, as stated
by Valdis.

I just didnt know that until today :-)

-JP<D'oh!>
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