On 04/19/2013 02:44 PM, Bryan O'Donoghue wrote:
> On 19/04/13 22:25, Borislav Petkov wrote:
>> On Fri, Apr 19, 2013 at 10:55:15PM +0200, Borislav Petkov wrote:
>>> Just filter out P5 and earlier. The code already does that for CPUs
>>> which don't have CPUID.
>>
>> Actually, an alternative - more practical albeit not very accurate
>
> More practical ? Hmm - the MSRs don't exist for < P5
>
>> solution would be to check for which families Intel delivers microcode
>> and do the cut off there with a comment as to why you do it like
>> that.void
>
> You mean return !intel so this function will never be called.
>
> __init load_ucode_bsp(void)
> {
> int vendor = x86_vendor();
>
> if (vendor == X86_VENDOR_INTEL)
> load_ucode_intel_bsp();
> }
>
> Ah yes. That would work and be less code.
>
> We should do it that way.
Do you think you can have a patch for me in the next few hours?
-hpa
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