Re: [PATCH v4 0/7] x86: BSP or CPU0 online/offline

[Srivatsa S. Bhat]

On 12/06/2011 07:45 PM, Borislav Petkov wrote:

> On Tue, Dec 06, 2011 at 07:34:37PM +0530, Srivatsa S. Bhat wrote:
>>> Not blindly, the microcode is still verified.
>>>
>> I saw your other mail about the validity of this whole scenario, and I
>> kind of agree to your point.
>>
>> My thoughts below might not be so relevant/significant considering that,
>> but anyways, just to understand what you said above:
>> I didn't quite find where the microcode is verified if the kernel happens
>> to have the microcode image already.
> 
> Sorry, I might not've been clear enough: it is still verified by the
> _hardware_, regardless of whether the ucode loader checks it or not.
> Remember, hw guys don't trust sw guys and the reverse holds true too.
> 
> :-)
> 


Oh.. Ok :-) And thank you for the explanation!

Regards,
Srivatsa S. Bhat

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