Re: intel CPU vulnerability NO_SSB whitelist for AIRMONT

[Shanavas.K.S]

 Thanks for the response.  Please create the patch from your side

Regards
Shanavas
> On Thu, Aug 8, 2024 at 12:32 AM Pawan Gupta
> <pawan.kumar.gupta@xxxxxxxxxxxxxxx> wrote:
> >
> > On Wed, Aug 07, 2024 at 12:57:47PM +0530, Shanavas.K.S wrote:
> > > Hi Pawan Gupta
> > > Thanks for the comment. I have checked  IA32_ARCH_CAPABILITIES
> > > register but it is resulting in "unchecked MSR access error: RDMSR
> > > from 0x10a at rIP: 0xffffffff8286cc26". I am assuming the reason is
> > > the  MSR register is not available in our processor.
> >
> > Thats what it looks like.
> >
> > > Does it mean that NO_SSB should be added to the whitelist for
> > > INTEL_ATOM_AIRMONT_NP and INTEL_ATOM_AIRMONT_MID if these processors are
> > > not susceptible to cache speculation vulnerability?
> >
> > Correct, NO_SSB should be added to the whitelist for AIRMONT variants. Let
> > me know if you are planning to submit a patch for this. Otherwise, I will.