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The default cpufreq governor is chosen with the help of a "choice" option in the Kconfig which will always end up selecting one of the governors and so the weakly defined definition of cpufreq_default_governor() will never get called. Moreover, this makes us skip the checking of the return value of that routine as it will always be non NULL. If the Kconfig option changes in future, then we will start getting a link error instead (and it won't go unnoticed as in the case of the weak definition). Suggested-by: Quentin Perret <qperret@google.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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.