diff options
| -rw-r--r-- | drivers/kvm/svm.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index f6e86528f031..aaa6742089e5 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -1076,6 +1076,20 @@ static int halt_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 0; } +static int vmmcall_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +{ + printk(KERN_DEBUG "got vmmcall at RIP %08llx\n", + vcpu->svm->vmcb->save.rip); + printk(KERN_DEBUG "vmmcall params: %08llx, %08lx, %08lx, %08lx\n", + vcpu->svm->vmcb->save.rax, + vcpu->regs[VCPU_REGS_RCX], + vcpu->regs[VCPU_REGS_RDX], + vcpu->regs[VCPU_REGS_RBP]); + vcpu->svm->vmcb->save.rax = 0; + vcpu->svm->vmcb->save.rip += 3; + return 1; +} + static int invalid_op_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { inject_ud(vcpu); @@ -1276,7 +1290,7 @@ static int (*svm_exit_handlers[])(struct kvm_vcpu *vcpu, [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_VMMCALL] = vmmcall_interception, [SVM_EXIT_VMLOAD] = invalid_op_interception, [SVM_EXIT_VMSAVE] = invalid_op_interception, [SVM_EXIT_STGI] = invalid_op_interception, |