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+.. SPDX-License-Identifier: GPL-2.0
+
+.. _linux_doc:
+
+==============================
+The Linux Kernel documentation
+==============================
+
+This is the top level of the kernel's documentation tree.  Kernel
+documentation, like the kernel itself, is very much a work in progress;
+that is especially true as we work to integrate our many scattered
+documents into a coherent whole.  Please note that improvements to the
+documentation are welcome; join the linux-doc list at vger.kernel.org if
+you want to help out.
+
+Working with the development community
+======================================
+
+The essential guides for interacting with the kernel's development
+community and getting your work upstream.
+
+.. toctree::
+   :maxdepth: 1
+
+   Development process <process/development-process>
+   Submitting patches <process/submitting-patches>
+   Code of conduct <process/code-of-conduct>
+   Maintainer handbook <maintainer/index>
+   All development-process docs <process/index>
+
+
+Internal API manuals
+====================
+
+Manuals for use by developers working to interface with the rest of the
+kernel.
+
+.. toctree::
+   :maxdepth: 1
+
+   Core API <core-api/index>
+   Driver APIs <driver-api/index>
+   Subsystems <subsystem-apis>
+   Locking <locking/index>
+
+Development tools and processes
+===============================
+
+Various other manuals with useful information for all kernel developers.
+
+.. toctree::
+   :maxdepth: 1
+
+   Licensing rules <process/license-rules>
+   Writing documentation <doc-guide/index>
+   Development tools <dev-tools/index>
+   Testing guide <dev-tools/testing-overview>
+   Hacking guide <kernel-hacking/index>
+   Tracing <trace/index>
+   Fault injection <fault-injection/index>
+   Livepatching <livepatch/index>
+   Rust <rust/index>
+
+
+User-oriented documentation
+===========================
+
+The following manuals are written for *users* of the kernel — those who are
+trying to get it to work optimally on a given system and application
+developers seeking information on the kernel's user-space APIs.
+
+.. toctree::
+   :maxdepth: 1
+
+   Administration <admin-guide/index>
+   Build system <kbuild/index>
+   Reporting issues <admin-guide/reporting-issues.rst>
+   Userspace tools <tools/index>
+   Userspace API <userspace-api/index>
+
+See also: the `Linux man pages <https://www.kernel.org/doc/man-pages/>`_,
+which are kept separately from the kernel's own documentation.
+
+Firmware-related documentation
+==============================
+The following holds information on the kernel's expectations regarding the
+platform firmware.
+
+.. toctree::
+   :maxdepth: 1
+
+   Firmware <firmware-guide/index>
+   Firmware and Devicetree <devicetree/index>
+
+
+Architecture-specific documentation
+===================================
+
+.. toctree::
+   :maxdepth: 2
+
+   CPU architectures <arch/index>
+
+
+Other documentation
+===================
+
+There are several unsorted documents that don't seem to fit on other parts
+of the documentation body, or may require some adjustments and/or conversion
+to reStructuredText format, or are simply too old.
+
+.. toctree::
+   :maxdepth: 1
+
+   Unsorted documentation <staging/index>
+
+
+Translations
+============
+
+.. toctree::
+   :maxdepth: 2
+
+   Translations <translations/index>
+
+Indices and tables
+==================
+
+* :ref:`genindex`