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d93414e375
If CONFIG_PARAVIRT_SPINLOCKS=y, queued_spin_unlock() is implemented using pv_queued_spin_unlock() which is entirely inline asm based. As such, we do not receive any KCSAN barrier instrumentation via regular atomic operations. Add the missing KCSAN barrier instrumentation for the CONFIG_PARAVIRT_SPINLOCKS case. Signed-off-by: Marco Elver <elver@google.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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.