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Step wise governor increases the mitigation level when the temperature goes above a threshold and will decrease the mitigation when the temperature falls below the threshold. If it were a case, where the temperature hovers around a threshold, the mitigation will be applied and removed at every iteration. This reaction to the temperature is inefficient for performance. The use of hysteresis temperature could avoid this ping-pong of mitigation by relaxing the mitigation to happen only when the temperature goes below this lower hysteresis value. Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org> Signed-off-by: Lina Iyer <ilina@codeaurora.org> drivers: thermal: step_wise: avoid throttling at hysteresis temperature after dropping below it Signed-off-by: Serge Schneider <serge@raspberrypi.org> Fix hysteresis support in gov_step_wise.c Directly get hyst value instead of going through an optional and, now, unimplemented function. Signed-off-by: Jürgen Kreileder <jk@blackdown.de>
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.
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