Messages in this thread | | | Date | Mon, 10 Sep 2018 13:46:16 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: [PATCH v5 2/2] x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation |
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On Mon, 10 Sep 2018, Jiri Kosina wrote:
> > That looks much more palatable. One missing piece is the sysfs > > mitigation file for spectre v2. That should reflect STIPB state as well. > > FWIW, we're missing a bit more in that area, namely RSB stuffing on > context switch, IBRS (even through only around fw) and IBPB; those are > only signalled in dmesg during bootup.
Nah, IBPB is actuall there, sorry. So I'll add reporting of STIBP + fixup the missing reporting of RSB_CTXSW for v6.
-- Jiri Kosina SUSE Labs
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