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This commit adds the SRCU_READ_FLAVOR_FAST_UPDOWN=0x8 macro and adjusts rcutorture to make use of it. In this commit, both SRCU_READ_FLAVOR_FAST=0x4 and the new SRCU_READ_FLAVOR_FAST_UPDOWN test SRCU-fast. When the SRCU-fast-updown is added, the new SRCU_READ_FLAVOR_FAST_UPDOWN macro will test it when passed to the rcutorture.reader_flavor module parameter. The old SRCU_READ_FLAVOR_FAST macro's value changed from 0x8 to 0x4. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: <bpf@vger.kernel.org> Signed-off-by: Frederic Weisbecker <frederic@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 reStructuredText 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.