Re: [PATCH v2 09/10] compiler/gcc: Raise minimum GCC version for kernel builds to 4.8

Nick Desaulniers
2020-01-24T17:05:39Z

On Fri, Jan 24, 2020 at 12:26 AM Peter Zijlstra <peterz@infradead.org> wrote:
>
> On Thu, Jan 23, 2020 at 10:36:37AM -0800, Nick Desaulniers wrote:
> > On Thu, Jan 23, 2020 at 7:34 AM Will Deacon <will@kernel.org> wrote:
> > >
> > > It is very rare to see versions of GCC prior to 4.8 being used to build
> > > the mainline kernel. These old compilers are also know to have codegen
> > > issues which can lead to silent miscompilation:
> > >
> > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145
> > >
> > > Raise the minimum GCC version for kernel build to 4.8 and remove some
> > > tautological Kconfig dependencies as a consequence.
> > >
> > > Cc: Nick Desaulniers <ndesaulniers@google.com>
> >
> > Thanks for the patch.
> > Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
> > I wouldn't mind if this patch preceded the earlier one in the series
> > adding the warning, should the series require a v2 and if folks are
> > generally ok with bumping the min version.
>
> If I hadn't actually read your reply, I would have never spotted that
> reviewed-by tag, hidden in a blob of text like that.
>
> Adding some whitespace before and after, such that it stands out a
> little more, might avoid such issues.

Ack. Do maintainers have tools for fetching patch series and
automating collecting Reviewed-by tags, or is it all extremely manual?

--
Thanks,
~Nick Desaulniers