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

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Message-Id: <20220617165817.3204917-1-ndesaulniers@google.com>
Date:   Fri, 17 Jun 2022 09:58:17 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Michael Opdenacker <michael.opdenacker@...tlin.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        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: [PATCH] Documentation/llvm: Update Supported Arch table

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arch table in our docs that he refers to is outdated.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>
---
 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