--- zzzz-none-000/linux-3.10.107/arch/x86/kvm/kvm_cache_regs.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/x86/kvm/kvm_cache_regs.h	2021-02-04 17:41:59.000000000 +0000
@@ -99,4 +99,9 @@
 	return vcpu->arch.hflags & HF_GUEST_MASK;
 }
 
+static inline bool is_smm(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.hflags & HF_SMM_MASK;
+}
+
 #endif