From b620ba54547cd0f98e35c1be102eec2cc25fda5d Mon Sep 17 00:00:00 2001 From: Zhenyu Ye Date: Wed, 15 Jul 2020 15:19:43 +0800 Subject: 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 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 --- arch/arm64/include/asm/cpucaps.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/arm64/include/asm/cpucaps.h') diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h index d44ba903d11d..07b643a70710 100644 --- a/arch/arm64/include/asm/cpucaps.h +++ b/arch/arm64/include/asm/cpucaps.h @@ -63,7 +63,8 @@ #define ARM64_HAS_32BIT_EL1 53 #define ARM64_BTI 54 #define ARM64_HAS_ARMv8_4_TTL 55 +#define ARM64_HAS_TLB_RANGE 56 -#define ARM64_NCAPS 56 +#define ARM64_NCAPS 57 #endif /* __ASM_CPUCAPS_H */ -- cgit