arm64: Use Signed/Unsigned enums for TGRAN{4,16,64} and VARange

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Open-coding the feature matching parameters for LVA/LVA2 leads to
issues with upcoming changes to the cpufeature code.

By making TGRAN{4,16,64} and VARange signed/unsigned as per the
architecture, we can use the existing macros, making the feature
match robust against those changes.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Marc Zyngier 2024-02-19 15:13:22 +00:00 • committed by Catalin Marinas

parent 90e636f60b

commit 2aea7b77aa

2 changed files with 7 additions and 16 deletions

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15

arch/arm64/kernel/cpufeature.c

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8

arch/arm64/tools/sysreg

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