Development Plan Proposal for Unifying Interrupt and PCI APIs

[Bogdan Vacaliuc]

On Saturday, October 23, 2004 2:07 PM, Chris Caudle wrote:
> If you allow interrupt sharing, you have to allow chaining of
> interrupt handlers, such that if an interrupt is signaled, the first
> handler is notified, and after that handler is finished, it must
> check the chain to see if any other handlers are registered for that
> same interrupt, and if so, pass along the notification to the next in
> the chain. 

I would add that there should be a mechanism to break the chain if the device's interrupt was actually serviced by the handler (and
the interrupt source cleared).

-bogdan