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-rw-r--r--arch/arm64/include/asm/cpufeature.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index e375529ca9fc..ef83d36698ce 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -692,6 +692,12 @@ static inline bool system_supports_bti(void)
return IS_ENABLED(CONFIG_ARM64_BTI) && cpus_have_const_cap(ARM64_BTI);
}
+static inline bool system_supports_tlb_range(void)
+{
+ return IS_ENABLED(CONFIG_ARM64_TLB_RANGE) &&
+ cpus_have_const_cap(ARM64_HAS_TLB_RANGE);
+}
+
#define ARM64_BP_HARDEN_UNKNOWN -1
#define ARM64_BP_HARDEN_WA_NEEDED 0
#define ARM64_BP_HARDEN_NOT_REQUIRED 1