CC'ed Ben, who is hacking on msi, IIRC
On Wed, 2006-05-31 at 00:58 +0200, Ingo Molnar wrote:
> > >
> > > does MSI much with the irq_desc[] separately perhaps, clearing
> > > handle_irq in the process perhaps?
> >
> > aha - drivers/pci/msi.c sets msix_irq_type, which has no handle_irq
> > entry. This needs to be converted to irqchips.
>
> still ... that doesnt explain how the irq_desc[].irq_handler got NULL.
It has it's own irq_desc array
static struct msi_desc* msi_desc[NR_IRQS] = { [0 ... NR_IRQS-1] = NULL };
Too tired right now. I look into this tomorrow.
tglx
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