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Message-ID: <16e241d5c67adbec4a39524383d0058643f92b40.1749891128.git.mchehab+huawei@kernel.org>
Date: Sat, 14 Jun 2025 10:56:03 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>,
	Jonathan Corbet <corbet@....net>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	"Akira Yokosawa" <akiyks@...il.com>,
	"Breno Leitao" <leitao@...ian.org>,
	"David S. Miller" <davem@...emloft.net>,
	"Donald Hunter" <donald.hunter@...il.com>,
	"Eric Dumazet" <edumazet@...gle.com>,
	"Ignacio Encinas Rubio" <ignacio@...cinas.com>,
	"Jan Stancek" <jstancek@...hat.com>,
	"Marco Elver" <elver@...gle.com>,
	"Mauro Carvalho Chehab" <mchehab+huawei@...nel.org>,
	"Paolo Abeni" <pabeni@...hat.com>,
	"Ruben Wauters" <rubenru09@....com>,
	"Shuah Khan" <skhan@...uxfoundation.org>,
	Jakub Kicinski <mchehab+huawei@...nel.org>,
	Simon Horman <mchehab+huawei@...nel.org>,
	joel@...lfernandes.org,
	linux-kernel-mentees@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	lkmm@...ts.linux.dev,
	netdev@...r.kernel.org,
	peterz@...radead.org,
	stern@...land.harvard.edu
Subject: [PATCH v4 09/14] docs: use parser_yaml extension to handle Netlink specs

Instead of manually calling ynl_gen_rst.py, use a Sphinx extension.
This way, no .rst files would be written to the Kernel source
directories.

We are using here a toctree with :glob: property. This way, there
is no need to touch the netlink/specs/index.rst file every time
a new Netlink spec is added/renamed/removed.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 Documentation/Makefile                          | 17 -----------------
 Documentation/conf.py                           | 11 ++++++-----
 Documentation/netlink/specs/index.rst           | 13 +++++++++++++
 Documentation/networking/index.rst              |  2 +-
 .../networking/netlink_spec/readme.txt          |  4 ----
 5 files changed, 20 insertions(+), 27 deletions(-)
 create mode 100644 Documentation/netlink/specs/index.rst
 delete mode 100644 Documentation/networking/netlink_spec/readme.txt

diff --git a/Documentation/Makefile b/Documentation/Makefile
index d30d66ddf1ad..9185680b1e86 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -102,22 +102,6 @@ quiet_cmd_sphinx = SPHINX  $@ --> file://$(abspath $(BUILDDIR)/$3/$4)
 		cp $(if $(patsubst /%,,$(DOCS_CSS)),$(abspath $(srctree)/$(DOCS_CSS)),$(DOCS_CSS)) $(BUILDDIR)/$3/_static/; \
 	fi
 
-YNL_INDEX:=$(srctree)/Documentation/networking/netlink_spec/index.rst
-YNL_RST_DIR:=$(srctree)/Documentation/networking/netlink_spec
-YNL_YAML_DIR:=$(srctree)/Documentation/netlink/specs
-YNL_TOOL:=$(srctree)/tools/net/ynl/pyynl/ynl_gen_rst.py
-
-YNL_RST_FILES_TMP := $(patsubst %.yaml,%.rst,$(wildcard $(YNL_YAML_DIR)/*.yaml))
-YNL_RST_FILES := $(patsubst $(YNL_YAML_DIR)%,$(YNL_RST_DIR)%, $(YNL_RST_FILES_TMP))
-
-$(YNL_INDEX): $(YNL_RST_FILES)
-	$(Q)$(YNL_TOOL) -o $@ -x
-
-$(YNL_RST_DIR)/%.rst: $(YNL_YAML_DIR)/%.yaml $(YNL_TOOL)
-	$(Q)$(YNL_TOOL) -i $< -o $@
-
-htmldocs texinfodocs latexdocs epubdocs xmldocs: $(YNL_INDEX)
-
 htmldocs:
 	@$(srctree)/scripts/sphinx-pre-install --version-check
 	@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,html,$(var),,$(var)))
@@ -184,7 +168,6 @@ refcheckdocs:
 	$(Q)cd $(srctree);scripts/documentation-file-ref-check
 
 cleandocs:
-	$(Q)rm -f $(YNL_INDEX) $(YNL_RST_FILES)
 	$(Q)rm -rf $(BUILDDIR)
 	$(Q)$(MAKE) BUILDDIR=$(abspath $(BUILDDIR)) $(build)=Documentation/userspace-api/media clean
 
diff --git a/Documentation/conf.py b/Documentation/conf.py
index 12de52a2b17e..add6ce78dd80 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -45,7 +45,7 @@ needs_sphinx = '3.4.3'
 extensions = ['kerneldoc', 'rstFlatTable', 'kernel_include',
               'kfigure', 'sphinx.ext.ifconfig', 'automarkup',
               'maintainers_include', 'sphinx.ext.autosectionlabel',
-              'kernel_abi', 'kernel_feat', 'translations']
+              'kernel_abi', 'kernel_feat', 'translations', 'parser_yaml']
 
 # Since Sphinx version 3, the C function parser is more pedantic with regards
 # to type checking. Due to that, having macros at c:function cause problems.
@@ -143,10 +143,11 @@ else:
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['sphinx/templates']
 
-# The suffix(es) of source filenames.
-# You can specify multiple suffix as a list of string:
-# source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+# The suffixes of source filenames that will be automatically parsed
+source_suffix = {
+        '.rst': 'restructuredtext',
+        '.yaml': 'yaml',
+}
 
 # The encoding of source files.
 #source_encoding = 'utf-8-sig'
diff --git a/Documentation/netlink/specs/index.rst b/Documentation/netlink/specs/index.rst
new file mode 100644
index 000000000000..7f7cf4a096f2
--- /dev/null
+++ b/Documentation/netlink/specs/index.rst
@@ -0,0 +1,13 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. _specs:
+
+=============================
+Netlink Family Specifications
+=============================
+
+.. toctree::
+   :maxdepth: 1
+   :glob:
+
+   *
diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index ac90b82f3ce9..b7a4969e9bc9 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -57,7 +57,7 @@ Contents:
    filter
    generic-hdlc
    generic_netlink
-   netlink_spec/index
+   ../netlink/specs/index
    gen_stats
    gtp
    ila
diff --git a/Documentation/networking/netlink_spec/readme.txt b/Documentation/networking/netlink_spec/readme.txt
deleted file mode 100644
index 030b44aca4e6..000000000000
--- a/Documentation/networking/netlink_spec/readme.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-SPDX-License-Identifier: GPL-2.0
-
-This file is populated during the build of the documentation (htmldocs) by the
-tools/net/ynl/pyynl/ynl_gen_rst.py script.
-- 
2.49.0


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