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-rw-r--r--arch/powerpc/include/asm/kvm_host.h1
-rw-r--r--arch/powerpc/kvm/e500_emulate.c12
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];
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