arm64/sve: Ensure that all fields in ZCR_EL1 are set to known values

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At present nothing in our CPU initialisation code ever sets unknown fields
in ZCR_EL1 to known values, all updates to ZCR_EL1 are read/modify/write
sequences for LEN. All the unknown fields are RES0, explicitly initialise
them as such to avoid future surprises.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240213-arm64-fp-init-vec-cr-v1-1-7e7c2d584f26@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Mark Brown 2024-02-13 15:32:45 +00:00 • committed by Catalin Marinas

parent 21eb468e9f

commit 2f0090549b

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arch/arm64/kernel/fpsimd.c

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