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(parent: cfcf7c2) | patch
arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature
authorZhenyu Ye <yezhenyu2@huawei.com>
Wed, 15 Jul 2020 07:19:43 +0000 (15:19 +0800)
committerCatalin Marinas <catalin.marinas@arm.com>
Wed, 15 Jul 2020 14:57:30 +0000 (15:57 +0100)
commita247597f78d95783656c41a4c38c3c0431650768
tree5057a6279d2dd70d506c1297dcc279a9e651ce65tree | snapshot
parentcfcf7c24ae843f8b08f6023ffbc8c98009d96061commit | diff
arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature

ARMv8.4-TLBI provides TLBI invalidation instruction that apply to a
range of input addresses. This patch detect this feature.

Signed-off-by: Zhenyu Ye <yezhenyu2@huawei.com>
Link: https://lore.kernel.org/r/20200715071945.897-2-yezhenyu2@huawei.com
[catalin.marinas@arm.com: some renaming for consistency]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/include/asm/cpucaps.h diff | blob | history
arch/arm64/include/asm/sysreg.h diff | blob | history
arch/arm64/kernel/cpufeature.c diff | blob | history
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