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KVM: PPC: BOOK3S: PR: Emulate instruction counter

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Writing to IC is not allowed in the privileged mode.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Aneesh Kumar K.V
2014-06-05 17:38:05 +05:30
committed by Alexander Graf
parent 8f42ab2749
commit 06da28e76b
5 changed files with 14 additions and 6 deletions
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6
arch/powerpc/kvm/book3s.c
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@@ -649,6 +649,9 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
case KVM_REG_PPC_VTB:
val = get_reg_val(reg->id, vcpu->arch.vtb);
break;
case KVM_REG_PPC_IC:
val = get_reg_val(reg->id, vcpu->arch.ic);
break;
default:
r = -EINVAL;
break;
@@ -756,6 +759,9 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
case KVM_REG_PPC_VTB:
vcpu->arch.vtb = set_reg_val(reg->id, val);
break;
case KVM_REG_PPC_IC:
vcpu->arch.ic = set_reg_val(reg->id, val);
break;
default:
r = -EINVAL;
break;