Re: [PATCH] x86/microcode: Add an option to reload microcode even if revision is unchanged

[Thomas Gleixner]

On Fri, 6 Sep 2019, Raj, Ashok wrote:
> On Fri, Sep 06, 2019 at 11:16:00PM +0200, Thomas Gleixner wrote:
> > Now #1 is actually a sensible and feasible solution which can be pulled off
> > in a reasonably short time frame, avoids all the bound to be ugly and
> > failure laden attempts of fixing late loading completely and provides a
> > usable and safe solution for joe user, jack admin and the super experts at
> > big-cloud corporate.
> > 
> > That is not requiring any new format of microcode payload, as this can be
> > nicely done as a metadata package which comes with the microcode
> > payload. So you get the following backwards compatible states:
> > 
> >   Kernel  metadata	  result
> > 
> >   old	  don't care	  refuse late load
> > 
> >   new	  No   		  refuse late load
> > 
> >   new	  Yes		  decide based on metadata
> > 
> > Thoughts?
> 
> This is 100% in line with what we proposed... 

So what it hindering you to implement that? ucode teams whining about the
little bit of extra work?

Thanks,

	tglx