Re: [PATCH] x86/srso: Disable the mitigation on unaffected configurations

[Borislav Petkov]

On Mon, Aug 14, 2023 at 01:53:00PM -0700, Josh Poimboeuf wrote:
> cpu_smt_possible() already does that.

Ok.

> 2. ENUMERATION OF NEW CAPABILITIES

Yes, exactly. On the next page: "Hypervisor software should
synthesize... " I got confused initially too.

> Since technically the CPU is affected, I'm thinking it should say
> "Mitigation: SMT disabled" or such, instead of "Not affected".

Lemme see how ugly it becomes tomorrow.

> Hm?  You mean the *_NO ones that determine whether the BUG bits get set
> in the first place?  How do they print "Not affected"?

If SMT is disabled on those configurations, it is not affected. But ok,
"SMT disabled".

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette