linux-kernel - Re: [PATCH] Documentation/llvm: Update Supported Arch table

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Date:   Fri, 17 Jun 2022 10:04:18 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Michael Opdenacker <michael.opdenacker@...tlin.com>,
        Tom Rix <trix@...hat.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Jonathan Corbet <corbet@....net>, llvm@...ts.linux.dev,
        linux-kbuild@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Documentation/llvm: Update Supported Arch table

On Fri, Jun 17, 2022 at 09:58:17AM -0700, Nick Desaulniers wrote:
> While watching Michael's new talk on Clang-built-Linux, I noticed the
> arch table in our docs that he refers to is outdated.
> 
> Add hexagon and User Mode.  Bump MIPS and RISCV to LLVM=1.  PowerPC is
> almost LLVM=1 capable; ppc64le works, but ppc64 (big endian) and ppc32
> still need more work.
> 
> Link: https://youtu.be/W4zdEDpvR5c?t=399
> Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>

Thanks for updating this!

Reviewed-by: Nathan Chancellor <nathan@...nel.org>

> ---
>  Documentation/kbuild/llvm.rst | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst
> index b854bb413164..6b2bac8e9ce0 100644
> --- a/Documentation/kbuild/llvm.rst
> +++ b/Documentation/kbuild/llvm.rst
> @@ -129,18 +129,24 @@ yet. Bug reports are always welcome at the issue tracker below!
>     * - arm64
>       - Supported
>       - ``LLVM=1``
> +   * - hexagon
> +     - Maintained
> +     - ``LLVM=1``
>     * - mips
>       - Maintained
> -     - ``CC=clang``
> +     - ``LLVM=1``
>     * - powerpc
>       - Maintained
>       - ``CC=clang``
>     * - riscv
>       - Maintained
> -     - ``CC=clang``
> +     - ``LLVM=1``
>     * - s390
>       - Maintained
>       - ``CC=clang``
> +   * - um (User Mode)
> +     - Maintained
> +     - ``LLVM=1``
>     * - x86
>       - Supported
>       - ``LLVM=1``
> -- 
> 2.36.1.476.g0c4daa206d-goog
>