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-rw-r--r--Documentation/doc-guide/sphinx.rst13
1 files changed, 8 insertions, 5 deletions
diff --git a/Documentation/doc-guide/sphinx.rst b/Documentation/doc-guide/sphinx.rst
index e60a56640c63..f71ddd592aaa 100644
--- a/Documentation/doc-guide/sphinx.rst
+++ b/Documentation/doc-guide/sphinx.rst
@@ -241,11 +241,14 @@ The C domain of the kernel-doc has some additional features. E.g. you can
The func-name (e.g. ioctl) remains in the output but the ref-name changed from
``ioctl`` to ``VIDIOC_LOG_STATUS``. The index entry for this function is also
-changed to ``VIDIOC_LOG_STATUS`` and the function can now referenced by:
-
-.. code-block:: rst
-
- :c:func:`VIDIOC_LOG_STATUS`
+changed to ``VIDIOC_LOG_STATUS``.
+
+Please note that there is no need to use ``c:func:`` to generate cross
+references to function documentation. Due to some Sphinx extension magic,
+the documentation build system will automatically turn a reference to
+``function()`` into a cross reference if an index entry for the given
+function name exists. If you see ``c:func:`` use in a kernel document,
+please feel free to remove it.
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