arm64: Document boot requirements for SME 2

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SME 2 introduces the new ZT0 register, we require that access to this
reigster is not trapped when we identify that the feature is supported.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221208-arm64-sme2-v4-2-f2fa0aef982f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Mark Brown 2023-01-16 16:04:37 +00:00 • committed by Catalin Marinas

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Documentation/arm64/booting.rst

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