diff --git a/arch/arm64/include/asm/spectre.h b/arch/arm64/include/asm/spectre.h
index a107a87aa119..5b4b9854b2bc 100644
--- a/arch/arm64/include/asm/spectre.h
+++ b/arch/arm64/include/asm/spectre.h
@@ -96,6 +96,7 @@ enum mitigation_state arm64_get_meltdown_state(void);
 
 enum mitigation_state arm64_get_spectre_bhb_state(void);
 bool is_spectre_bhb_affected(const struct arm64_cpu_capabilities *entry, int scope);
+u8 get_spectre_bhb_loop_value(void);
 bool is_spectre_bhb_fw_mitigated(void);
 void spectre_bhb_enable_mitigation(const struct arm64_cpu_capabilities *__unused);
 #endif	/* __ASSEMBLY__ */
diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c
index a1e5e1f9cbe0..8c7b93fd778c 100644
--- a/arch/arm64/kernel/proton-pack.c
+++ b/arch/arm64/kernel/proton-pack.c
@@ -1010,6 +1010,11 @@ bool is_spectre_bhb_affected(const struct arm64_cpu_capabilities *entry,
 	return true;
 }
 
+u8 get_spectre_bhb_loop_value(void)
+{
+	return max_bhb_k;
+}
+
 static void this_cpu_set_vectors(enum arm64_bp_harden_el1_vectors slot)
 {
 	const char *v = arm64_get_bp_hardening_vector(slot);