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By default uclamp RT tasks will use the max frequency, which is not the desired default behavior on mobile devices. Re-use the SUGOV_RT_MAX_FREQ sched_feat to control the default behavior. When SUGOV_RT_MAX_FREQ is NOT selected, the uclamp_min value of the RT tasks will be 0. Note, since now we use SUGOV_RT_MAX_FREQ to enforce the default max frequency for RT when uclamp is compiled in; the condition in schedutil_cpu_util() needs to be inverted so that max no longer unconditionally applied when uclamp is compiled in && SUGOV_RT_MAX_FREQ is true. This unconditional application means uclamp values are always ignored which is not what we want when uclamp is compiled in. Bug: 120440300 Signed-off-by: Qais Yousef <qais.yousef@arm.com> Change-Id: I3d36f1ebed6ef35a6299af32bbf4462d0353e783 Signed-off-by: Quentin Perret <qperret@google.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.