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When preserving the signal context for later verification by testcases check for and include any EXTRA_CONTEXT block if enough space has been provided. Since the EXTRA_CONTEXT block includes a pointer to the start of the additional data block we need to do at least some fixup on the copied data. For simplicity in users we do this by extending the length of the EXTRA_CONTEXT to include the following termination record, this will cause users to see the extra data as part of the linked list of contexts without needing any special handling. Care will be needed if any specific tests for EXTRA_CONTEXT are added beyond the validation done in ASSERT_GOOD_CONTEXT. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220829160703.874492-9-broonie@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@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.