Re: [Patch v5 11/16] x86/speculation: Add Spectre v2 app to app protection modes

From: Jiri Kosina
Date: Mon Nov 19 2018 - 18:23:27 EST


On Tue, 20 Nov 2018, Thomas Gleixner wrote:

> What? IBPB makes tons of sense even without STIBP.

On non-SMT, yes. But this patchset ties those two the other (sensible) way
around AFAICS ("STIBP iff (IBPB && SMT)").

--
Jiri Kosina
SUSE Labs