OpenCloudOS-Kernel/Documentation/core-api/index.rst

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======================
Core API Documentation
======================
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
==============
.. toctree::
:maxdepth: 1
kernel-api
assoc_array
atomic_ops
cachetlb
refcount-vs-atomic
cpu_hotplug
idr
local_ops
workqueue
genericirq
xarray
flexible-arrays
librs
genalloc
errseq
printk-formats
circular-buffers
memory-allocation
mm-api
gfp_mask-from-fs-io
Documentation: document ktime_get_*() APIs As Dave Chinner points out, we don't have a proper documentation for the ktime_get() family of interfaces, making it rather unclear which of the over 30 (!) interfaces one should actually use in a driver or elsewhere in the kernel. I wrote up an explanation from how I personally see the interfaces, documenting what each of the functions do and hopefully making it a bit clearer which should be used where. This is the first time I tried writing .rst format documentation, so in addition to any mistakes in the content, I probably also introduce nonstandard formatting ;-) I first tried to add an extra section to Documentation/timers/timekeeping.txt, but this is currently not included in the generated API, and it seems useful to have the API docs as part of what gets generated in https://www.kernel.org/doc/html/latest/core-api/index.html#core-utilities instead, so I started a new file there. I also considered adding the documentation inline in the include/linux/timekeeping.h header, but couldn't figure out how to do that in a way that would result both in helpful inline comments as well as readable html output, so I settled for the latter, with a small note pointing to it from the header. Cc: Dave Chinner <david@fromorbit.com> Cc: John Stultz <john.stultz@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Stephen Boyd <sboyd@kernel.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-07-10 22:46:41 +08:00
timekeeping
boot-time-mm
memory-hotplug
Interfaces for kernel debugging
===============================
.. toctree::
:maxdepth: 1
debug-objects
tracepoint
.. only:: subproject
Indices
=======
* :ref:`genindex`