arm64: cpufeature: Add ID_AA64MMFR4_EL1 handling

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Add ID_AA64MMFR4_EL1 to the list of idregs the kernel knows about,
and describe the E2H0 field.

Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20240122181344.258974-6-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

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Marc Zyngier 2024-01-22 18:13:39 +00:00 • committed by Oliver Upton

parent cfc680bb04

commit 805bb61f82

3 changed files with 9 additions and 0 deletions

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1

arch/arm64/include/asm/cpu.h

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7

arch/arm64/kernel/cpufeature.c

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1

arch/arm64/kernel/cpuinfo.c

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