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Linus Torvalds authored
Pull LKMM (Linux Kernel Memory Model) updates from Paul McKenney:
 "Documentation updates.

  Add read-modify-write sequences, which means that stronger primitives
  more consistently result in stronger ordering, while still remaining
  in the envelope of the hardware that supports Linux.

  Address, data, and control dependencies used to ignore data that was
  stored in temporaries. This update extends these dependency chains to
  include unmarked intra-thread stores and loads. Note that these
  unmarked stores and loads should not be concurrently accessed from
  multiple threads, and doing so will cause LKMM to flag such accesses
  as data races"

* tag 'lkmm.2023.02.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  tools: memory-model: Make plain accesses carry dependencies
  Documentation: Fixed a typo in atomic_t.txt
  tools: memory-model: Add rmw-sequences to the LKMM
  locking/memory-barriers.txt: Improve documentation for writel() example
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.