Re: [PATCH 0/2] no_profile fn attr and Kconfig for GCOV+PGO

Bill Wendling
2021-06-20T08:09:25Z

On Fri, Jun 18, 2021 at 7:45 PM Kees Cook <keescook@chromium.org> wrote:
>
> On Fri, Jun 18, 2021 at 04:30:21PM -0700, Nick Desaulniers wrote:
> > When we say noinstr, we mean noinstr. GCOV and PGO can both instrument
> > functions. Add a new function annotation __no_profile that expands to
> > __attribute__((__no_profile__)) and Kconfig value
> > CC_HAS_NO_PROFILE_FN_ATTR.
> >
> > Base is
> > https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/log/?h=for-next/clang/pgo.
> >
> > Nick Desaulniers (2):
> > compiler_attributes.h: define __no_profile, add to noinstr
> > Kconfig: CC_HAS_NO_PROFILE_FN_ATTR, depend on for GCOV and PGO
>
> Oh, awesome! Thanks for the fast work on this. If there are no objections,
> I'll apply this in front of the PGO series and put it in -next.
>
That works for me! Thanks, Nick and Kees!

-bw