> > @@ -220,6 +232,11 @@ static void piix3_set_irq(qemu_irq *pic, int
> > irq_num, int level)
> > {
> > int i, pic_irq, pic_level;
> >
> > +#if defined(KVM_CAP_IRQCHIP) && defined(TARGET_IA64)
> > + if(kvm_enabled())
> > + kvm_set_irq(irq_num, level);
> > + return;
> > +#endif
> > pci_irq_levels[irq_num] = level;
>
> Why the current hook into i8259_set_irq does not work for IA64?
if (pic_irq < 16) {
/* The pic level is the logical OR of all the PCI irqs mapped
to it */
Ok, but still, how can you share interrupts by directly changing the
level without checking for individual devices first.
> I think this breaks interrupt sharing, because the logic to detect if
> all devices sharing the line are low or high is in i8259_set_irq, and
s/i8259_set_irq/piix3_set_irq/
> you simply skip that.
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