linux-kernel - Re: [PATCH RFC 0/6] Bump minimum supported version of LLVM to 11.0.0

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Date:   Mon, 29 Nov 2021 10:30:48 -0800
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Miguel Ojeda <ojeda@...nel.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Tom Stellard <tstellar@...hat.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        Jakub Kicinski <kuba@...nel.org>, cki-project@...hat.com,
        kernelci@...ups.io, llvm@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH RFC 0/6] Bump minimum supported version of LLVM to 11.0.0

On Mon, Nov 29, 2021 at 9:01 AM Nathan Chancellor <nathan@...nel.org> wrote:
>
> This patch series raises the minimum supported version of LLVM to
> 11.0.0.
>
> Patch #1 outlines the issue, goes over the potential impact of the
> change, and does the actual bump. Subsequent patches clean up the
> various checks that are always true after the bump.
>
> I have marked this revision as RFC to give various parties the option to
> comment on this bump before it is done, namely KernelCI and Linaro's
> LKFT, who are still testing clang-10. I have added some other folks to
> CC that I know are testing with clang to see if this impacts them in any
> way (as I would like to impact as few people as possible) but as far as
> I am aware, most other CIs and developers are testing closer to tip of
> tree. If that is not true, scream so that we can see what can be done
> about that. If I missed anyone who is actively testing with clang,
> please key them in and I will make sure to include them in future
> revisions (if any are needed).
>
> It probably makes sense for this series to live in -mm.

Series looks good to me. Thanks for the patch, and cleanups!
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

>
> Nathan Chancellor (6):
>   Documentation: Raise the minimum supported version of LLVM to 11.0.0
>   mm, slab: Remove compiler check in __kmalloc_index
>   arch/Kconfig: Remove CLANG_VERSION check in HAS_LTO_CLANG
>   Revert "ARM: 9070/1: Make UNWINDER_ARM depend on ld.bfd or ld.lld
>     11.0.0+"
>   gcov: Remove compiler version check
>   init/Kconfig: Drop linker version check for LD_ORPHAN_WARN
>
>  Documentation/process/changes.rst | 2 +-
>  arch/Kconfig                      | 3 +--
>  arch/arm/Kconfig.debug            | 2 --
>  include/linux/slab.h              | 3 +--
>  init/Kconfig                      | 1 -
>  kernel/gcov/Kconfig               | 1 -
>  scripts/min-tool-version.sh       | 2 +-
>  7 files changed, 4 insertions(+), 10 deletions(-)
>
>
> base-commit: d58071a8a76d779eedab38033ae4c821c30295a5
> --
> 2.34.1
>
>


-- 
Thanks,
~Nick Desaulniers