[lkml]   [2018]   [Sep]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v5 2/2] x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation
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

 \ /
  Last update: 2018-09-10 13:47    [W:0.068 / U:1.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site