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-rw-r--r--arch/arm/include/asm/kvm_host.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 8f973e3b7348..65572e14306c 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -302,4 +302,16 @@ static inline bool kvm_arm_harden_branch_predictor(void)
return false;
}
+#define KVM_SSBD_UNKNOWN -1
+#define KVM_SSBD_FORCE_DISABLE 0
+#define KVM_SSBD_KERNEL 1
+#define KVM_SSBD_FORCE_ENABLE 2
+#define KVM_SSBD_MITIGATED 3
+
+static inline int kvm_arm_have_ssbd(void)
+{
+ /* No way to detect it yet, pretend it is not there. */
+ return KVM_SSBD_UNKNOWN;
+}
+
#endif /* __ARM_KVM_HOST_H__ */