Re: [PATCH v2] x86/microcode/intel: Extend BDW late-loading with LLC size check

From: Luck, Tony
Date: Tue Jan 16 2018 - 16:30:24 EST


On Tue, Jan 16, 2018 at 09:50:37PM +0100, Borislav Petkov wrote:
> ... and there's not a more reliable way to detect those like platform ID
> or so? Because if for anywhere, this is where one *should* use platform
> ID.
>
> Or perhaps some other bit somewhere instead of this cache size thing?

I could get you a list of model numbers that you can check against
model_name. But that seems way worse. Especially as the 2.5MB thing
is what is called out in the erratum.

-Tony