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b9271a5334
Expose hiperdispatch controls via sysctl. The user can now toggle hiperdispatch via assigning 0 or 1 to s390.hiperdispatch attribute. When hiperdipatch is toggled on, it tries to adjust CPU capacities, while system is in vertical polarization to gain performance benefits from different CPU polarizations. Disabling hiperdispatch reverts the CPU capacities to their default (HIGH_CAPACITY) and stops the dynamic adjustments. Introduce a kconfig option HIPERDISPATCH_ON which allows users to use hiperdispatch by default on vertical polarization. Using the sysctl attribute s390.hiperdispatch would overwrite this behavior. Acked-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Mete Durlu <meted@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> |
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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.