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bfa80ee9ce
gic_get_ppi_index() is a useful concept for ppi partitions, as the GIC has two PPI ranges but needs mapping to a single range when used as an index in the gic_data.ppi_descs[] array. Add a double-underscore version which takes just the intid. This will be used in the partition domain select and translate helpers to enable partition support for the EPPI range. Signed-off-by: James Morse <james.morse@arm.com> Reviewed-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210729172748.28841-2-james.morse@arm.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.
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.