2 files changed, 13 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 62b2cee450a5..faf2f0e56bb8 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -584,6 +584,7 @@ struct kvm_vcpu_arch {
         u32 mmucfg;
         u32 eptcfg;
         u32 epr;
+        u32 pwrmgtcr0;
         u32 crit_save;
         /* guest debug registers*/
         struct debug_reg dbg_reg;
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index 002d51764143..c99c40e9182a 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -250,6 +250,14 @@ int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, ulong spr_va
                                 spr_val);
                 break;
 
+        case SPRN_PWRMGTCR0:
+                /*
+                 * Guest relies on host power management configurations
+                 * Treat the request as a general store
+                 */
+                vcpu->arch.pwrmgtcr0 = spr_val;
+                break;
+
         /* extra exceptions */
         case SPRN_IVOR32:
                 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
@@ -368,6 +376,10 @@ int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn, ulong *spr_v
                 *spr_val = vcpu->arch.eptcfg;
                 break;
 
+        case SPRN_PWRMGTCR0:
+                *spr_val = vcpu->arch.pwrmgtcr0;
+                break;
+
         /* extra exceptions */
         case SPRN_IVOR32:
                 *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];