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linux/Documentation/core-api/index.rst

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Documentation/00-index: update for new core-api folder Signed-off-by: Silvio Fricke <silvio.fricke@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-10-28 08:14:10 +00:00
======================
doc: Convert the debugobjects DocBook template to sphinx A couple of the most minor heading tweaks, otherwise no changes to the text itself beyond the mechanical conversion. Note that the inclusion of the kerneldoc comments from the source has never worked, since exported symbols were asked for and none of those functions are exported to modules. It doesn't work here either :) Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-11-19 00:06:13 +00:00
Core API Documentation
Documentation/00-index: update for new core-api folder Signed-off-by: Silvio Fricke <silvio.fricke@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-10-28 08:14:10 +00:00
======================
doc: Convert the debugobjects DocBook template to sphinx A couple of the most minor heading tweaks, otherwise no changes to the text itself beyond the mechanical conversion. Note that the inclusion of the kerneldoc comments from the source has never worked, since exported symbols were asked for and none of those functions are exported to modules. It doesn't work here either :) Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-11-19 00:06:13 +00:00
This is the beginning of a manual for core kernel APIs. The conversion
(and writing!) of documents for this manual is much appreciated!
Core utilities
==============
Documentation/00-index: update for new core-api folder Signed-off-by: Silvio Fricke <silvio.fricke@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-10-28 08:14:10 +00:00
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
This section has general and "core core" documentation. The first is a
massive grab-bag of kerneldoc info left over from the docbook days; it
should really be broken up someday when somebody finds the energy to do
it.
Documentation/00-index: update for new core-api folder Signed-off-by: Silvio Fricke <silvio.fricke@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-10-28 08:14:10 +00:00
.. toctree::
:maxdepth: 1
kernel-api.tmpl: convert it to ReST Brainless conversion of genericirq.tmpl book to ReST, via Documentation/sphinx/tmplcvt Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-03-30 20:11:32 +00:00
kernel-api
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
workqueue
docs: pr_*() kerneldocs and basic printk docs Add kerneldocs comments to the pr_*() macros in printk.h. Add a new rst node in the core-api manual describing the basic usage of printk and the related macro aliases. Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com> Link: https://lore.kernel.org/r/20200403093617.18003-1-ricardo.canuelo@collabora.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-04-03 09:36:17 +00:00
printk-basics
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
printk-formats
symbol-namespaces
Data structures and low-level utilities
=======================================
Library functionality that is used throughout the kernel.
.. toctree::
:maxdepth: 1
Documentation: kobject.txt has been moved to core-api/kobject.rst Moved the `kobject.txt` to `core-api/kobject.rst` and updated the `core-api` index to point to it. Signed-off-by: Sameer Rahmani <lxsameer@gnu.org> [jc: moved it down from the top of core-api/index.rst] Link: https://lore.kernel.org/r/20200225222125.61874-2-lxsameer@gnu.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-25 22:21:25 +00:00
kobject
docs: move the kref doc into the core-api book This document covers core kernel objects. So, add it into the core-api book. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f385af13b4a6d3ff8c89beedd4506900e79ca72e.1588345503.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-05-01 15:37:52 +00:00
kref
Documentation/assoc_array.txt: convert to ReST markup ... and move to Documentation/core-api folder. Signed-off-by: Silvio Fricke <silvio.fricke@gmail.com> Reviewed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-11-28 17:30:53 +00:00
assoc_array
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
xarray
idr
circular-buffers
docs: Add rbtree documentation to the core-api This file is close enough to being in rst format that I didn't feel the need to alter it in any way. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Michel Lespinasse <walken@google.com> Link: https://lore.kernel.org/r/20200401173343.17472-1-willy@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-04-01 17:33:43 +00:00
rbtree
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
generic-radix-tree
packing
docs: move other kAPI documents to core-api There are a number of random documents that seem to be describing some aspects of the core-api. Move them to such directory, adding them at the core-api/index.rst file. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/86d979ed183adb76af93a92f20189bccf97f0055.1592918949.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-06-23 13:31:38 +00:00
bus-virt-phys-mapping
this_cpu_ops
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
timekeeping
errseq
Documentation: Fill the gaps about entry/noinstr constraints The entry/exit handling for exceptions, interrupts, syscalls and KVM is not really documented except for some comments. Fill the gaps. Signed-off-by: Thomas Gleixner <tglx@linutronix.de Co-developed-by: Nicolas Saenz Julienne <nsaenzju@redhat.com> Signed-off-by: Nicolas Saenz Julienne <nsaenzju@redhat.com> Reviewed-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Paul E. McKenney <paulmck@kernel.org> ---- Changes since v3: - s/nointr/noinstr/ Changes since v2: - No big content changes, just style corrections, so it should be pretty clean at this stage. In the light of this, I kept Mark's Reviewed-by. - Paul's style and paragraph re-writes - Randy's style comments - Add links to transition type sections Documentation/core-api/entry.rst | 261 +++++++++++++++++++++++++++++++ Documentation/core-api/index.rst | 8 + 2 files changed, 269 insertions(+) create mode 100644 Documentation/core-api/entry.rst Reviewed-by: Frederic Weisbecker <frederic@kernel.org> Link: https://lore.kernel.org/r/20220110105044.94423-1-nsaenzju@redhat.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-01-10 10:50:43 +00:00
Low level entry and exit
========================
.. toctree::
:maxdepth: 1
entry
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
Concurrency primitives
======================
How Linux keeps everything from happening at the same time. See
docs: core-api: avoid using ReST :doc:`foo` markup The :doc:`foo` tag is auto-generated via automarkup.py. So, use the filename at the sources, instead of :doc:`foo`. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/d967d490b6655735b7df292f88859b5a1b07d0d7.1623824363.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-06-16 06:27:23 +00:00
Documentation/locking/index.rst for more related documentation.
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
.. toctree::
:maxdepth: 1
docs: refcount_t documentation Some functions from refcount_t API provide different memory ordering guarantees that their atomic counterparts. This adds a document outlining these differences ( Documentation/core-api/refcount-vs-atomic.rst) as well as some other minor improvements. Signed-off-by: Elena Reshetova <elena.reshetova@intel.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-12-05 10:46:35 +00:00
refcount-vs-atomic
docs: add IRQ documentation at the core-api book There are 4 IRQ documentation files under Documentation/*.txt. Move them into a new directory (core-api/irq) and add a new index file for it. While here, use a title markup for the Debugging section of the irq-domain.rst file. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/2da7485c3718e1442e6b4c2dd66857b776e8899b.1588345503.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-05-01 15:37:51 +00:00
irq/index
Documentation/local_ops.txt: convert to ReST markup ... and move to core-api folder. Signed-off-by: Silvio Fricke <silvio.fricke@gmail.com> Reviewed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-11-28 17:30:54 +00:00
local_ops
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
padata
../RCU/index
Low-level hardware management
=============================
Cache management, managing CPU hotplug, etc.
.. toctree::
:maxdepth: 1
cachetlb
cpu_hotplug
memory-hotplug
genericirq.tmpl: convert it to ReST Brainless conversion of genericirq.tmpl book to ReST, via Documentation/sphinx/tmplcvt Copyright information inserted manually. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-03-30 20:11:30 +00:00
genericirq
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
protection-keys
Memory management
=================
How to allocate and use memory in the kernel. Note that there is a lot
docs: core-api: avoid using ReST :doc:`foo` markup The :doc:`foo` tag is auto-generated via automarkup.py. So, use the filename at the sources, instead of :doc:`foo`. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/d967d490b6655735b7df292f88859b5a1b07d0d7.1623824363.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-06-16 06:27:23 +00:00
more memory-management documentation in Documentation/vm/index.rst.
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
.. toctree::
:maxdepth: 1
docs: core-api: add memory allocation guide Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-09-14 09:27:58 +00:00
memory-allocation
docs: move other kAPI documents to core-api There are a number of random documents that seem to be describing some aspects of the core-api. Move them to such directory, adding them at the core-api/index.rst file. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/86d979ed183adb76af93a92f20189bccf97f0055.1592918949.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-06-23 13:31:38 +00:00
unaligned-memory-access
docs: move DMA kAPI to Documentation/core-api Move those files to the core-api, where they belong, renaming them to ReST and adding to the core API index file. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/a1517185418cb9d987f566ef85a5dd5c7c99f34e.1588345503.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-05-01 15:37:45 +00:00
dma-api
dma-api-howto
dma-attributes
dma-isa-lpc
docs/core-api: split memory management API to a separate file This is basically copy-paste of the memory management section from kernel-api.rst with some minor adjustments: * The "User Space Memory Access" is moved to the beginning * The get_user_pages_fast reference is now a part of "User Space Memory Access" * And, of course, headings are adjusted with section being promoted to chapters Link: http://lkml.kernel.org/r/1532626360-16650-6-git-send-email-rppt@linux.vnet.ibm.com Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Matthew Wilcox <willy@infradead.org> Cc: Michal Hocko <mhocko@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-24 00:01:12 +00:00
mm-api
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
genalloc
mm/gup: introduce pin_user_pages*() and FOLL_PIN Introduce pin_user_pages*() variations of get_user_pages*() calls, and also pin_longterm_pages*() variations. For now, these are placeholder calls, until the various call sites are converted to use the correct get_user_pages*() or pin_user_pages*() API. These variants will eventually all set FOLL_PIN, which is also introduced, and thoroughly documented. pin_user_pages() pin_user_pages_remote() pin_user_pages_fast() All pages that are pinned via the above calls, must be unpinned via put_user_page(). The underlying rules are: * FOLL_PIN is a gup-internal flag, so the call sites should not directly set it. That behavior is enforced with assertions. * Call sites that want to indicate that they are going to do DirectIO ("DIO") or something with similar characteristics, should call a get_user_pages()-like wrapper call that sets FOLL_PIN. These wrappers will: * Start with "pin_user_pages" instead of "get_user_pages". That makes it easy to find and audit the call sites. * Set FOLL_PIN * For pages that are received via FOLL_PIN, those pages must be returned via put_user_page(). Thanks to Jan Kara and Vlastimil Babka for explaining the 4 cases in this documentation. (I've reworded it and expanded upon it.) Link: http://lkml.kernel.org/r/20200107224558.2362728-12-jhubbard@nvidia.com Signed-off-by: John Hubbard <jhubbard@nvidia.com> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Mike Rapoport <rppt@linux.ibm.com> [Documentation] Reviewed-by: Jérôme Glisse <jglisse@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Björn Töpel <bjorn.topel@intel.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl> Cc: Jason Gunthorpe <jgg@mellanox.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jens Axboe <axboe@kernel.dk> Cc: Kirill A. Shutemov <kirill@shutemov.name> Cc: Leon Romanovsky <leonro@mellanox.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-31 06:12:54 +00:00
pin_user_pages
docs/mm: add description of boot time memory management Both bootmem and memblock are have pretty good internal documentation coverage. With addition of some overview we get a nice description of the early memory management. Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-06-30 14:55:06 +00:00
boot-time-mm
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
gfp_mask-from-fs-io
Documentation/workqueue.txt: convert to ReST markup ... and move to Documentation/core-api folder. Signed-off-by: Silvio Fricke <silvio.fricke@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-10-28 08:14:11 +00:00
doc: Convert the debugobjects DocBook template to sphinx A couple of the most minor heading tweaks, otherwise no changes to the text itself beyond the mechanical conversion. Note that the inclusion of the kerneldoc comments from the source has never worked, since exported symbols were asked for and none of those functions are exported to modules. It doesn't work here either :) Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-11-19 00:06:13 +00:00
Interfaces for kernel debugging
===============================
.. toctree::
:maxdepth: 1
doc: Sphinxify the tracepoint docbook Convert the tracepoint docbook template to RST and add it to the core-api manual. No changes to the actual text beyond the mechanical formatting conversion. Cc: Jason Baron <jbaron@redhat.com> Cc: William Cohen <wcohen@redhat.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-11-19 00:21:32 +00:00
debug-objects
tracepoint
docs: debugging-via-ohci1394.txt: add it to the core-api book There is an special chapter inside the core-api book about some debug infrastructure like tracepoints and debug objects. It sounded to me that this is the best place to add a chapter explaining how to use a FireWire controller to do remote kernel debugging, as explained on this document. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9b489d36d08ad89d3ad5aefef1f52a0715b29716.1588345503.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-05-01 15:37:50 +00:00
debugging-via-ohci1394
doc: Convert the debugobjects DocBook template to sphinx A couple of the most minor heading tweaks, otherwise no changes to the text itself beyond the mechanical conversion. Note that the inclusion of the kerneldoc comments from the source has never worked, since exported symbols were asked for and none of those functions are exported to modules. It doesn't work here either :) Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-11-19 00:06:13 +00:00
docs: Organize core-api/index.rst The core-api manual has become a big, disorganized mess. Try to bring a small amount of order to it by organizing the documents into subcategories. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-03-02 22:17:17 +00:00
Everything else
===============
Documents that don't fit elsewhere or which have yet to be categorized.
.. toctree::
:maxdepth: 1
librs
docs: index.rst: don't use genindex for pdf output The genindex logic is meant to be used only for html output, as pdf build has its own way to generate indexes. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Vinod Koul <vkoul@kernel.org> # dmaengine and soundwire Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-07-26 12:51:29 +00:00
.. only:: subproject and html
Documentation/00-index: update for new core-api folder Signed-off-by: Silvio Fricke <silvio.fricke@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-10-28 08:14:10 +00:00
Indices
=======
* :ref:`genindex`
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