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[106.167.137.155]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-241d1ef5934sm4741315ad.21.2025.07.30.20.14.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 30 Jul 2025 20:14:58 -0700 (PDT) Message-ID: Date: Thu, 31 Jul 2025 12:14:55 +0900 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: mchehab+huawei@kernel.org Cc: corbet@lwn.net, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, workflows@vger.kernel.org References: Subject: Re: [PATCH v2 2/2] docs: changes: better document Python needs Content-Language: en-US From: Akira Yokosawa In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On Tue, 29 Jul 2025 18:43:04 +0200, Mauro Carvalho Chehab wrote: > Python is listed as an optional dependency, but this is not > true, as: > > 1) arm (multi_v7_defconfig and other defconfigs) and arm64 defconfig > needs it due to DRM_MSM dependencies; > > 2) CONFIG_LTO_CLANG runs a python script at scripts/Makefile.vmlinux_o; > > 3) kernel-doc is called during compilation when some DRM options > like CONFIG_DRM_I915_WERROR are enabled; > > 4) allyesconfig/allmodconfig will enable CONFIG_* dependencies > that needs it; > > 5) besides DRM, other subsystems seem to have logic calling *.py > scripts. > OK. This sounds convincing enough. > So, better document that and change the dependency from optional > to mandatory to reflect the current needs. > > Signed-off-by: Mauro Carvalho Chehab > --- > Documentation/process/changes.rst | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst > index bccfa19b45df..4c9088e429c8 100644 > --- a/Documentation/process/changes.rst > +++ b/Documentation/process/changes.rst > @@ -61,7 +61,7 @@ Sphinx\ [#f1]_ 3.4.3 sphinx-build --version > GNU tar 1.28 tar --version > gtags (optional) 6.6.5 gtags --version > mkimage (optional) 2017.01 mkimage --version > -Python (optional) 3.9.x python3 --version > +Python 3.9.x python3 --version > GNU AWK (optional) 5.1.0 gawk --version > ====================== =============== ======================================== > > @@ -154,6 +154,13 @@ Perl > You will need perl 5 and the following modules: ``Getopt::Long``, > ``Getopt::Std``, ``File::Basename``, and ``File::Find`` to build the kernel. > > +Python > +------ > + > +Several config options require it: it is required for arm/arm64 > +default configs, CONFIG_LTO_CLANG, some DRM optional configs, > +the kernel-doc tool, and docs build (Sphinx), among others. > + Looks much better. Feel free to add: Acked-by: Akira Yokosawa Thanks.