[PATCH v3 0/3] x86: Improve ERMS usage on Zen3+

H.J. Lu hjl.tools@gmail.com
Mon Mar 25 15:19:07 GMT 2024


On Mon, Mar 25, 2024 at 8:15 AM Florian Weimer <fweimer@redhat.com> wrote:
>
> * Adhemerval Zanella:
>
> > Adhemerval Zanella (3):
> >   x86: Fix Zen3/Zen4 ERMS selection (BZ 30994)
> >   x86: Do not prefer ERMS for memset on Zen3+
> >   x86: Expand the comment on when REP STOSB is used on memset
> >
> >  sysdeps/x86/dl-cacheinfo.h                    | 43 ++++++++++---------
> >  .../multiarch/memset-vec-unaligned-erms.S     |  4 +-
> >  2 files changed, 26 insertions(+), 21 deletions(-)
>
> Should we backport this into release branches?

Yes.

> This issue was first raised as an Ubuntu downstream bug, so maybe they'd
> appreciate a backport for this?  We want this backport in Fedora, so it
> would help us, too.
>
> Thanks,
> Florian
>


-- 
H.J.


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