Re: [PATCH] x86/microcode/intel: print previous microcode revision during early update

[Petr Oros]

Borislav Petkov pÃÅe v PÃ 26. 01. 2018 v 11:41 +0100:
> On Fri, Jan 26, 2018 at 11:34:50AM +0100, Petr Oros wrote:
> >   When kernel do early microcode update, code printing only
> >   new microcode version. But in this case we no have chance
> >   to check which version was in cpu from BIOS vendor.
> 
> And we need that because?
> 


During time of facing the Spectre vulnerability and the requirement of handling
different microcode updates, it has shown, that it would be useful to have
additional information which microcode version was in BIOS, if the early-update
routine will apply an update.