This hwcap was added earlier for 32-bit native arm kernel by commit 956ca3a4eb81 ("ARM: 9272/1: vfp: Add hwcap for FEAT_AA32I8MM") and hence the corresponding changes added in 32-bit compat arm64 kernel for similar user interfaces. Int8 matrix multiplication is a feature (FEAT_AA32I8MM) present in AArch32 state of Armv8 and is identified by ISAR6.I8MM register. Similar feature(FEAT_I8MM) exist for AArch64 state and is already advertised in arm64 kernel. Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com> Reviewed-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20230111053706.13994-6-amit.kachhap@arm.com 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.
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