Re: [PATCH 1/2] x86: Track minimum microcode revision globally v2

From: Borislav Petkov
Date: Tue Jun 12 2012 - 18:19:30 EST


On Tue, Jun 12, 2012 at 03:09:25PM -0700, Andi Kleen wrote:
>
> >Ok, is it only me or is this boot_min_microcode superfluous?
> >IOW, you can only use boot_cpu_data.microcode instead and drop
> >boot_min_microcode.
>
> boot_cpu_data.microcode contains a copy of the original microcode,
> so we couldn't detect the boot cpu case. In theory could hard code
> CPU #0 is boot cpu or so,
> but I prefer to track it with the separate variable.

Ok, this begs the next question then: why do we need to say that some AP
has a lower ucode version than the BSP?

--
Regards/Gruss,
Boris.
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