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KVM: Use generalized exception queue for injecting #UD

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Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2007-11-25 15:22:50 +02:00
parent c1a5d4f990
commit 7ee5d940f5
2 changed files with 3 additions and 20 deletions
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12
drivers/kvm/svm.c
View File

@ -207,13 +207,6 @@ static bool svm_exception_injected(struct kvm_vcpu *vcpu)
return !(svm->vmcb->control.exit_int_info & SVM_EXITINTINFO_VALID);
}
static void inject_ud(struct kvm_vcpu *vcpu)
{
to_svm(vcpu)->vmcb->control.event_inj = SVM_EVTINJ_VALID |
SVM_EVTINJ_TYPE_EXEPT |
UD_VECTOR;
}
static int is_external_interrupt(u32 info)
{
info &= SVM_EVTINJ_TYPE_MASK | SVM_EVTINJ_VALID;
@ -948,8 +941,7 @@ static int ud_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
er = emulate_instruction(&svm->vcpu, kvm_run, 0, 0, 0);
if (er != EMULATE_DONE)
inject_ud(&svm->vcpu);
kvm_queue_exception(&svm->vcpu, UD_VECTOR);
return 1;
}
@ -1027,7 +1019,7 @@ static int vmmcall_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
static int invalid_op_interception(struct vcpu_svm *svm,
struct kvm_run *kvm_run)
{
inject_ud(&svm->vcpu);
kvm_queue_exception(&svm->vcpu, UD_VECTOR);
return 1;
}

11
drivers/kvm/vmx.c
View File

@ -613,14 +613,6 @@ static bool vmx_exception_injected(struct kvm_vcpu *vcpu)
return !(vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK);
}
static void vmx_inject_ud(struct kvm_vcpu *vcpu)
{
vmcs_write32(VM_ENTRY_INTR_INFO_FIELD,
UD_VECTOR |
INTR_TYPE_EXCEPTION |
INTR_INFO_VALID_MASK);
}
/*
* Swap MSR entry in host/guest MSR entry array.
*/
@ -1866,8 +1858,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
if (is_invalid_opcode(intr_info)) {
er = emulate_instruction(vcpu, kvm_run, 0, 0, 0);
if (er != EMULATE_DONE)
vmx_inject_ud(vcpu);
kvm_queue_exception(vcpu, UD_VECTOR);
return 1;
}