arm64: cpufeature: Add cpufeature for IRQ priority masking

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Add a cpufeature indicating whether a cpu supports masking interrupts
by priority.

The feature will be properly enabled in a later patch.

Signed-off-by: Julien Thierry <julien.thierry@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

...

This commit is contained in:

Julien Thierry 2019-01-31 14:58:42 +00:00 • committed by Catalin Marinas

parent c9bfdf734d

commit b90d2b22af

3 changed files with 31 additions and 1 deletions

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3

arch/arm64/include/asm/cpucaps.h

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6

arch/arm64/include/asm/cpufeature.h

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23

arch/arm64/kernel/cpufeature.c

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