arm64: alternative: Introduce feature for GICv3 CPU interface

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Add a new item to the feature set (ARM64_HAS_SYSREG_GIC_CPUIF)
to indicate that we have a system register GIC CPU interface

This will help KVM switching to alternative instruction patching.

Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Marc Zyngier 2015-06-12 12:06:36 +01:00 • committed by Catalin Marinas

parent 73bf8412e4

commit 94a9e04aa1

2 changed files with 23 additions and 1 deletions

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8

arch/arm64/include/asm/cpufeature.h

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16

arch/arm64/kernel/cpufeature.c

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