Re: [LinuxBIOS] [PATCH] remove duplicated microcode updates for some Intel processors

Quoting Corey Osgood :
> Acked-by: Corey Osgood
>
> how long has it been since we've updated the microcode updates?

No idea, but remember the email below from 12/12/07? Looks like an  
update is in order, but I wouldn't know where to start.

Thanks - Joe
> Quoting [e-mail]:
> > Hello,
> >
> > Yesterday I wrote some code for the Syslinux boot loader that is meant
> > to boot different images based on which revision of the CPU microcode
> > that is currently loaded in the CPU (yes, this is a bit strange but we
> > have a very good reason for it). I then compared my implementation with
> > a few others an ran across yours, in
> > http://www.openbios.org/viewvc/trunk/LinuxBIOSv2/src/cpu/intel/microcode
> > /microcode.c?view=markup
> >
> > Question to you guys: why is the first wrmsr instruction there? From my
> > understanding, by not properly initialising ECX, EAX and EDX this will
> > overwrite whatever is in the MSR pointed to by ECX?!
> >
> > BTW I tried out your code on our target hardware (Intel Celeron M, 600
> > MHz) and with that first wrmsr line in place it hangs and without it, it
> > runs just fine.
> >
> > Just wanted to let you know.
> >
> > Best regards,
> > Martin Karlsson