docs: Rewrite the front page

The front page is the entry point to the documentation, especially for
people who read it online.  It's a big mess of everything we could think to
toss into it.  Rewrite the page with an eye toward simplicity and making it
easy for readers to get going toward what they really want to find.

This is only a beginning, but it makes our docs more approachable than
before.

Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: David Vernet <void@manifault.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20220927160559.97154-3-corbet@lwn.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Jonathan Corbet 2022-09-27 10:05:54 -06:00
parent 9d0f5cd167
commit 0c7b4366f1
2 changed files with 114 additions and 100 deletions

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@ -18,26 +18,70 @@ documents into a coherent whole. Please note that improvements to the
documentation are welcome; join the linux-doc list at vger.kernel.org if documentation are welcome; join the linux-doc list at vger.kernel.org if
you want to help out. you want to help out.
Licensing documentation Working with the development community
----------------------- --------------------------------------
The following describes the license of the Linux kernel source code The essential guides for interacting with the kernel's development
(GPLv2), how to properly mark the license of individual files in the source community and getting your work upstream.
tree, as well as links to the full license text.
.. toctree::
:maxdepth: 1
process/development-process
process/submitting-patches
Code of conduct <process/code-of-conduct>
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/index
driver-api/index
subsystem-apis
Locking in the kernel <locking/index>
Development tools and processes
-------------------------------
Various other manuals with useful information for all kernel developers.
.. toctree::
:maxdepth: 1
process/license-rules
doc-guide/index
dev-tools/index
dev-tools/testing-overview
kernel-hacking/index
trace/index
fault-injection/index
livepatch/index
* :ref:`kernel_licensing`
User-oriented documentation User-oriented documentation
--------------------------- ---------------------------
The following manuals are written for *users* of the kernel — those who are The following manuals are written for *users* of the kernel — those who are
trying to get it to work optimally on a given system. trying to get it to work optimally on a given system and application
developers seeking information on the kernel's user-space APIs.
.. toctree:: .. toctree::
:maxdepth: 2 :maxdepth: 1
admin-guide/index admin-guide/index
kbuild/index The kernel build system <kbuild/index>
admin-guide/reporting-issues.rst
User-space tools <tools/index>
userspace-api/index
Firmware-related documentation Firmware-related documentation
------------------------------ ------------------------------
@ -45,104 +89,17 @@ The following holds information on the kernel's expectations regarding the
platform firmwares. platform firmwares.
.. toctree:: .. toctree::
:maxdepth: 2 :maxdepth: 1
firmware-guide/index firmware-guide/index
devicetree/index devicetree/index
Application-developer documentation
-----------------------------------
The user-space API manual gathers together documents describing aspects of
the kernel interface as seen by application developers.
.. toctree::
:maxdepth: 2
userspace-api/index
Introduction to kernel development
----------------------------------
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.
.. toctree::
:maxdepth: 2
process/index
dev-tools/index
doc-guide/index
kernel-hacking/index
trace/index
maintainer/index
fault-injection/index
livepatch/index
Kernel API 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).
.. toctree::
:maxdepth: 2
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 Architecture-agnostic documentation
----------------------------------- -----------------------------------
.. toctree:: .. toctree::
:maxdepth: 2 :maxdepth: 1
asm-annotations 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. to ReStructured Text format, or are simply too old.
.. toctree:: .. toctree::
:maxdepth: 2 :maxdepth: 1
tools/index
staging/index staging/index

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@ -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