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Ionela Voinescu authored
The activity monitors extension is an optional extension introduced by the ARMv8.4 CPU architecture. Add initial documentation for the AMUv1 extension: - arm64/amu.txt: AMUv1 documentation - arm64/booting.txt: system registers initialisation Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com> Reviewed-by: Valentin Schneider <valentin.schneider@arm.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Will Deacon <will@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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