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b95b07d1c4
Currently we accept any size for the ZA signal context that the shared code will accept which means we don't verify that any data is present. Since we have enabled ZA we know that there must be data so strengthen the check to only accept a signal frame with data, and while we're at it since we enabled ZA but did not set any data we know that ZA must contain zeros, confirm that. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20220829155728.854947-2-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.