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d28d95bc63
FEAT_SPEv1p2 (optional from Armv8.6) adds a discard mode that allows all SPE data to be discarded rather than written to memory. Add a format bit for this mode. If the mode isn't supported, the format bit isn't published and attempts to use it will result in -EOPNOTSUPP. Allocating an aux buffer is still allowed even though it won't be written to so that old tools continue to work, but updated tools can choose to skip this step. Signed-off-by: James Clark <james.clark@linaro.org> Reviewd-by: Yeoreum Yun <yeoreum.yun@arm.com> Link: https://lore.kernel.org/r/20250108142904.401139-2-james.clark@linaro.org Signed-off-by: Will Deacon <will@kernel.org>
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.