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

[Borislav Petkov]

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.

:-)

HTH.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/