diff --git a/arch/powerpc/kvm/booke_emulate.c b/arch/powerpc/kvm/booke_emulate.c
index cc99a0b3d202bdb33003f10ef8ad6aab46e4bc4f..514790f41abafa9c752ebdaa90bde9f1e961423f 100644
--- a/arch/powerpc/kvm/booke_emulate.c
+++ b/arch/powerpc/kvm/booke_emulate.c
@@ -237,6 +237,9 @@ int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
 	case SPRN_IVOR15:
 		vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG] = spr_val;
 		break;
+	case SPRN_MCSR:
+		vcpu->arch.mcsr &= ~spr_val;
+		break;
 
 	default:
 		emulated = EMULATE_FAIL;
@@ -329,6 +332,9 @@ int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
 	case SPRN_IVOR15:
 		*spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG];
 		break;
+	case SPRN_MCSR:
+		*spr_val = vcpu->arch.mcsr;
+		break;
 
 	default:
 		emulated = EMULATE_FAIL;