Benjamin Herrenschmidt <[EMAIL PROTECTED]> writes: > >> We might need this. But I don't think we need reference counting in >> the traditional sense. For all practical purpose we already have >> dynamic irq allocation and it hasn't proven necessary. I would >> prefer to go to lengths to avoid having to expose that kind of >> an issue to driver code. > > I think we do need proper refcounting, but I also think that most > drivers will not need to see it. > > For example, a PCI driver will most probably just do something along the > lines of the existing request_irq(pdev->irq), the liftime of pdev->irq > is managed by the PCI core. > > Same goes with MSIs imho, the MSI core can manage the lifetime > transparently.
Yes. I'm optimistic that we won't find a case where refcounting will be needed. Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/