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The generic CPU cache maintenance framework provides a way to register drivers for devices implementing the underlying support for cpu_cache_has_invalidate_memregion(). Enable it for arm64 by selecting GENERIC_CPU_CACHE_MAINTENANCE which provides the implementation for, and in turn selects, ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Conor Dooley <conor.dooley@microchip.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 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.