Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0

Borislav Petkov
2011-10-12T22:38:50Z

On Wed, Oct 12, 2011 at 06:33:28PM -0400, Jeremy Fitzhardinge wrote:
> On 10/12/2011 03:29 PM, H. Peter Anvin wrote:
> > On 10/12/2011 03:27 PM, Jeremy Fitzhardinge wrote:
> >>
> >> The current scheme has worked pretty well so far; there doesn't seem to
> >> be a huge concern about it. Have there been actual observed failures
> >> with the current mechanism, or is the drive to make it earlier driven by
> >> an aesthetic desire to make it "as it should be"?
> >>
> >
> > Yes, there has. There is at least one case where we have to print an
> > error message saying "update your BIOS" because our current microcode
> > update is too late.
>
> Is that K8 errata 93 or something else?

AFAIR, that was an Atom erratum fix.

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