diff options
| -rw-r--r-- | drivers/kvm/svm.c | 15 | ||||
| -rw-r--r-- | include/linux/kvm.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index 717aabb012c..9c70ff65e6b 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -502,6 +502,7 @@ static void init_vmcb(struct vmcb *vmcb) (1ULL << INTERCEPT_IOIO_PROT) | (1ULL << INTERCEPT_MSR_PROT) | (1ULL << INTERCEPT_TASK_SWITCH) | + (1ULL << INTERCEPT_SHUTDOWN) | (1ULL << INTERCEPT_VMRUN) | (1ULL << INTERCEPT_VMMCALL) | (1ULL << INTERCEPT_VMLOAD) | @@ -892,6 +893,19 @@ static int pf_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 0; } +static int shutdown_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +{ + /* + * VMCB is undefined after a SHUTDOWN intercept + * so reinitialize it. + */ + memset(vcpu->svm->vmcb, 0, PAGE_SIZE); + init_vmcb(vcpu->svm->vmcb); + + kvm_run->exit_reason = KVM_EXIT_SHUTDOWN; + return 0; +} + static int io_get_override(struct kvm_vcpu *vcpu, struct vmcb_seg **seg, int *addr_override) @@ -1249,6 +1263,7 @@ static int (*svm_exit_handlers[])(struct kvm_vcpu *vcpu, [SVM_EXIT_IOIO] = io_interception, [SVM_EXIT_MSR] = msr_interception, [SVM_EXIT_TASK_SWITCH] = task_switch_interception, + [SVM_EXIT_SHUTDOWN] = shutdown_interception, [SVM_EXIT_VMRUN] = invalid_op_interception, [SVM_EXIT_VMMCALL] = invalid_op_interception, [SVM_EXIT_VMLOAD] = invalid_op_interception, diff --git a/include/linux/kvm.h b/include/linux/kvm.h index bc8b4616bad..1be148f0fce 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -46,6 +46,7 @@ enum kvm_exit_reason { KVM_EXIT_HLT = 5, KVM_EXIT_MMIO = 6, KVM_EXIT_IRQ_WINDOW_OPEN = 7, + KVM_EXIT_SHUTDOWN = 8, }; /* for KVM_RUN */ |