lkml.org 
[lkml]   [2023]   [Aug]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86/srso: Disable the mitigation on unaffected configurations
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

\
 
 \ /
  Last update: 2023-08-14 23:19    [W:0.070 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site