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The computation of endpoint memory access descriptor's composite memory region descriptor offset is using COMPOSITE_CONSTITUENTS_OFFSET which is unnecessary complicated. Composite memory region descriptor always follow the endpoint memory access descriptor array and hence it is computed accordingly. COMPOSITE_CONSTITUENTS_OFFSET is useless and wrong for any input other than endpoint memory access descriptor count. Let us drop the usage of COMPOSITE_CONSTITUENTS_OFFSET to simplify the computation of total transmit and fragment length in the memory transactions. Link: https://lore.kernel.org/r/20231005-ffa_v1-1_notif-v4-13-cddd3237809c@arm.com Signed-off-by: Sudeep Holla <sudeep.holla@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.