lkml.org 
[lkml]   [2018]   [Jan]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 0/7] IBRS patch series
From
Date
On 04/01/2018 22:22, Van De Ven, Arjan wrote:
> this is about a level of paranoia you are comfortable with.
>
> Retpoline on Skylake raises the bar for the issue enormously, but
> there are a set of corner cases that exist and that are not trivial
> to prove you dealt with them.
>
> personally I am comfortable with retpoline on Skylake, but I would
> like to have IBRS as an opt in for the paranoid.
>

IBRS actually seems to perform more than decently on Skylake with the
microcode updates we're shipping in RHEL---much more so than Broadwell
or Haswell. Can you confirm that this is expected?

Paolo

\
 
 \ /
  Last update: 2018-01-05 12:32    [W:0.120 / U:0.412 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site