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Unless a kernel builds rcutorture, whether built-in or as a module, that kernel is also built with CONFIG_TASKS_RUDE_RCU, whether anything else needs Tasks Rude RCU or not. This unnecessarily increases kernel size. This commit therefore decouples the presence of rcutorture from the presence of RCU Tasks Rude. However, there is a need to select CONFIG_TASKS_RUDE_RCU for testing purposes. Except that casual users must not be bothered with questions -- for them, this needs to be fully automated. There is thus a CONFIG_FORCE_TASKS_RUDE_RCU that selects CONFIG_TASKS_RUDE_RCU, is user-selectable, but which depends on CONFIG_RCU_EXPERT. [ paulmck: Apply kernel test robot feedback. ] 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.