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A pseudo-locked region does not have a class of service associated with it and thus not tracked in the array of control values maintained as part of the domain. Even so, when the user provides a new bitmask for another resource group it needs to be checked for interference with existing pseudo-locked regions. Additionally only one pseudo-locked region can be created in any cache hierarchy. Introduce two utilities in support of above scenarios: (1) a utility that can be used to test if a given capacity bitmask overlaps with any pseudo-locked regions associated with a particular cache instance, (2) a utility that can be used to test if a pseudo-locked region exists within a particular cache hierarchy. Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: fenghua.yu@intel.com Cc: tony.luck@intel.com Cc: vikas.shivappa@linux.intel.com Cc: gavin.hindman@intel.com Cc: jithu.joseph@intel.com Cc: dave.hansen@intel.com Cc: hpa@zytor.com Link: https://lkml.kernel.org/r/b8e31dbdcf22ddf71df46072647b47e7558abb32.1529706536.git.reinette.chatre@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.
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.