[PATCH v5 2/2] x86: Optimize strlen-avx2.S

[H.J. Lu]

On Wed, Sep 28, 2022 at 12:09 PM Sunil Pandey <skpgkp2@gmail.com> wrote:
>
> On Wed, Sep 28, 2022 at 11:24 AM H.J. Lu <hjl.tools@gmail.com> wrote:
> >
> > On Wed, Sep 28, 2022 at 6:55 AM Sunil Pandey <skpgkp2@gmail.com> wrote:
> > >
> > > Attached patch fixes BZ# 29611.
> > >
> > > I would like to backport it to 2.32,2.31,2.30,2.29 and 2.29. Let me know
> > > if there is any objection.
> >
> > It doesn't fully fix BZ #29611.  Like Noah mentioned, we need to add
> > BMI2 check to ifunc-impl-list.c for all functions which use "ifunc-avx2.h".
> >
> >
> > H.J.
>
> Pulling up corresponding patches are extremely difficult as they are not
> modular. I can modify existing patches (as posted on bug report) to
> incorporate ifunc-impl-list.c functionality. If it is OK?

Please mention BZ #29611 in the commit log of the backport and submit
a separate patch to fully fix BZ #29611.  We should use a patch set for
BZ #29611.

> For backporting small incremental changes are preferred. Single monolithic
> patch makes backporting extremely difficult, if not impossible.



-- 
H.J.