diff --git a/Documentation/index.rst b/Documentation/index.rst
index 4737c18c97ff0ce1e947b46074f265e0a0c2af44..bc492e79f1be10c57df1f2b041377aacf7639473 100644
--- a/Documentation/index.rst
+++ b/Documentation/index.rst
@@ -18,131 +18,88 @@ 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.
 
-Licensing documentation
------------------------
+Working with the development community
+--------------------------------------
 
-The following describes the license of the Linux kernel source code
-(GPLv2), how to properly mark the license of individual files in the source
-tree, as well as links to the full license text.
-
-* :ref:`kernel_licensing`
-
-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.
+The essential guides for interacting with the kernel's development
+community and getting your work upstream.
 
 .. toctree::
-   :maxdepth: 2
-
-   admin-guide/index
-   kbuild/index
-
-Firmware-related documentation
-------------------------------
-The following holds information on the kernel's expectations regarding the
-platform firmwares.
+   :maxdepth: 1
 
-.. toctree::
-   :maxdepth: 2
+   process/development-process
+   process/submitting-patches
+   Code of conduct <process/code-of-conduct>
+   maintainer/index
+   All development-process docs <process/index>
 
-   firmware-guide/index
-   devicetree/index
 
-Application-developer documentation
------------------------------------
+Internal API manuals
+--------------------
 
-The user-space API manual gathers together documents describing aspects of
-the kernel interface as seen by application developers.
+Manuals for use by developers working to interface with the rest of the
+kernel.
 
 .. toctree::
-   :maxdepth: 2
-
-   userspace-api/index
+   :maxdepth: 1
 
+   core-api/index
+   driver-api/index
+   subsystem-apis
+   Locking in the kernel <locking/index>
 
-Introduction to kernel development
-----------------------------------
+Development tools and processes
+-------------------------------
 
-These manuals contain overall information about how to develop the kernel.
-The kernel community is quite large, with thousands of developers
-contributing over the course of a year.  As with any large community,
-knowing how things are done will make the process of getting your changes
-merged much easier.
+Various other manuals with useful information for all kernel developers.
 
 .. toctree::
-   :maxdepth: 2
+   :maxdepth: 1
 
-   process/index
-   dev-tools/index
+   process/license-rules
    doc-guide/index
+   dev-tools/index
+   dev-tools/testing-overview
    kernel-hacking/index
    trace/index
-   maintainer/index
    fault-injection/index
    livepatch/index
 
 
-Kernel API documentation
-------------------------
+User-oriented documentation
+---------------------------
 
-These books get into the details of how specific kernel subsystems work
-from the point of view of a kernel developer.  Much of the information here
-is taken directly from the kernel source, with supplemental material added
-as needed (or at least as we managed to add it — probably *not* all that is
-needed).
+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: 2
+   :maxdepth: 1
+
+   admin-guide/index
+   The kernel build system <kbuild/index>
+   admin-guide/reporting-issues.rst
+   User-space tools <tools/index>
+   userspace-api/index
+
+
+Firmware-related documentation
+------------------------------
+The following holds information on the kernel's expectations regarding the
+platform firmwares.
+
+.. toctree::
+   :maxdepth: 1
+
+   firmware-guide/index
+   devicetree/index
 
-   driver-api/index
-   core-api/index
-   locking/index
-   accounting/index
-   block/index
-   cdrom/index
-   cpu-freq/index
-   fb/index
-   fpga/index
-   hid/index
-   i2c/index
-   iio/index
-   isdn/index
-   infiniband/index
-   leds/index
-   netlabel/index
-   networking/index
-   pcmcia/index
-   power/index
-   target/index
-   timers/index
-   spi/index
-   w1/index
-   watchdog/index
-   virt/index
-   input/index
-   hwmon/index
-   gpu/index
-   security/index
-   sound/index
-   crypto/index
-   filesystems/index
-   mm/index
-   bpf/index
-   usb/index
-   PCI/index
-   scsi/index
-   misc-devices/index
-   scheduler/index
-   mhi/index
-   peci/index
 
 Architecture-agnostic documentation
 -----------------------------------
 
 .. toctree::
-   :maxdepth: 2
+   :maxdepth: 1
 
    asm-annotations
 
@@ -163,9 +120,8 @@ of the documentation body, or may require some adjustments and/or conversion
 to ReStructured Text format, or are simply too old.
 
 .. toctree::
-   :maxdepth: 2
+   :maxdepth: 1
 
-   tools/index
    staging/index
 
 
diff --git a/Documentation/subsystem-apis.rst b/Documentation/subsystem-apis.rst
new file mode 100644
index 0000000000000000000000000000000000000000..af65004a80aa7d5532bd6e8b57349c962b51899a
--- /dev/null
+++ b/Documentation/subsystem-apis.rst
@@ -0,0 +1,58 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================
+Kernel subsystem documentation
+==============================
+
+These books get into the details of how specific kernel subsystems work
+from the point of view of a kernel developer.  Much of the information here
+is taken directly from the kernel source, with supplemental material added
+as needed (or at least as we managed to add it — probably *not* all that is
+needed).
+
+**Fixme**: much more organizational work is needed here.
+
+.. toctree::
+   :maxdepth: 1
+
+   driver-api/index
+   core-api/index
+   locking/index
+   accounting/index
+   block/index
+   cdrom/index
+   cpu-freq/index
+   fb/index
+   fpga/index
+   hid/index
+   i2c/index
+   iio/index
+   isdn/index
+   infiniband/index
+   leds/index
+   netlabel/index
+   networking/index
+   pcmcia/index
+   power/index
+   target/index
+   timers/index
+   spi/index
+   w1/index
+   watchdog/index
+   virt/index
+   input/index
+   hwmon/index
+   gpu/index
+   security/index
+   sound/index
+   crypto/index
+   filesystems/index
+   mm/index
+   bpf/index
+   usb/index
+   PCI/index
+   scsi/index
+   misc-devices/index
+   scheduler/index
+   mhi/index
+   peci/index