diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2014-06-05 17:38:02 +0530 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-07-28 15:21:50 +0200 |
| commit | 8f42ab2749d00ea15157ab896cfbed73a247b3e1 (patch) | |
| tree | 2ca02b2e03693367661a77c28746a05852b2ed1b /arch/powerpc/kvm/book3s.c | |
| parent | 3cd60e31185343d4132ca7cf3c9becb903b3ec1b (diff) | |
KVM: PPC: BOOK3S: PR: Emulate virtual timebase register
virtual time base register is a per VM, per cpu register that needs
to be saved and restored on vm exit and entry. Writing to VTB is not
allowed in the privileged mode.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[agraf: fix compile error]
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/book3s.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index c254c27f240e..ddce1ea8ac4a 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -646,6 +646,9 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) case KVM_REG_PPC_BESCR: val = get_reg_val(reg->id, vcpu->arch.bescr); break; + case KVM_REG_PPC_VTB: + val = get_reg_val(reg->id, vcpu->arch.vtb); + break; default: r = -EINVAL; break; @@ -750,6 +753,9 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg) case KVM_REG_PPC_BESCR: vcpu->arch.bescr = set_reg_val(reg->id, val); break; + case KVM_REG_PPC_VTB: + vcpu->arch.vtb = set_reg_val(reg->id, val); + break; default: r = -EINVAL; break; |