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arm64: Document boot requirements for FEAT_SME_FA64
authorMark Brown <broonie@kernel.org>
Tue, 26 Oct 2021 11:18:02 +0000 (12:18 +0100)
committerWill Deacon <will@kernel.org>
Thu, 28 Oct 2021 08:30:15 +0000 (09:30 +0100)
commitd198c77b7fab13d4def83c038807f6967f857acc
treef757a199d11cb1ec8a2cbed9135416574708506etree | snapshot
parentde56379f21c70196ff18c48790e8e43865893869commit | diff
arm64: Document boot requirements for FEAT_SME_FA64

The EAC1 release of the SME specification adds the FA64 feature which
requires enablement at higher ELs before lower ELs can use it. Document
what we require from higher ELs in our boot requirements.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211026111802.12853-1-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Documentation/arm64/booting.rst diff | blob | history
Domain: System / Kernel;