Messages in this thread | | | Date | Tue, 6 Dec 2011 15:15:43 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v4 0/7] x86: BSP or CPU0 online/offline |
| |
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
| |