Messages in this thread | | | Date | Wed, 13 Jun 2012 00:53:44 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH 1/2] x86: Track minimum microcode revision globally v2 |
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On Wed, Jun 13, 2012 at 12:19:31AM +0200, Borislav Petkov wrote: > 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?
I would consider that a BIOS bug.
-Andi
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