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a5b1a017cb
Pull locking updates from Ingo Molnar: - Micro-optimize local_xchg() and the rtmutex code on x86 - Fix percpu-rwsem contention tracepoints - Simplify debugging Kconfig dependencies - Update/clarify the documentation of atomic primitives - Misc cleanups * tag 'locking-core-2024-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/rtmutex: Use try_cmpxchg_relaxed() in mark_rt_mutex_waiters() locking/x86: Implement local_xchg() using CMPXCHG without the LOCK prefix locking/percpu-rwsem: Trigger contention tracepoints only if contended locking/rwsem: Make DEBUG_RWSEMS and PREEMPT_RT mutually exclusive locking/rwsem: Clarify that RWSEM_READER_OWNED is just a hint locking/mutex: Simplify <linux/mutex.h> locking/qspinlock: Fix 'wait_early' set but not used warning locking/atomic: scripts: Clarify ordering of conditional atomics
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.