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KVM: VMX: Do not zero idt_vectoring_info in vmx_complete_interrupts(). 

We will need it later in task_switch().
Code in handle_exception() is dead. is_external_interrupt(vect_info)
will always be false since idt_vectoring_info is zeroed in
vmx_complete_interrupts().

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2009-03-30 16:03:18 +03:00 committed by Avi Kivity
parent 37b96e9880
commit 8843419048
1 changed files with 0 additions and 7 deletions
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7
arch/x86/kvm/vmx.c
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@ -2626,11 +2626,6 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
printk(KERN_ERR "%s: unexpected, vectoring info 0x%x "
"intr info 0x%x\n", __func__, vect_info, intr_info);
if (!irqchip_in_kernel(vcpu->kvm) && is_external_interrupt(vect_info)) {
int irq = vect_info & VECTORING_INFO_VECTOR_MASK;
kvm_push_irq(vcpu, irq);
}
if ((intr_info & INTR_INFO_INTR_TYPE_MASK) == INTR_TYPE_NMI_INTR)
return 1; /* already handled by vmx_vcpu_run() */
@ -3329,11 +3324,9 @@ static void vmx_complete_interrupts(struct vcpu_vmx *vmx)
kvm_queue_exception_e(&vmx->vcpu, vector, err);
} else
kvm_queue_exception(&vmx->vcpu, vector);
vmx->idt_vectoring_info = 0;
break;
case INTR_TYPE_EXT_INTR:
kvm_queue_interrupt(&vmx->vcpu, vector);
vmx->idt_vectoring_info = 0;
break;
default:
break;