RE: Interrupt Sharing

[Zwane Mwaikambo]

On Wed, 25 Sep 2002, Mohamed Ghouse , Gurgaon wrote:

> But what if two PCI Devices are sharing the same interrupt line?
> Then how does the handler handle this?
> Can you please explain this handling by the Kernel?

have a look at arch/i386/kernel/irq.c:request_irq then go down to do_IRQ 
-> handle_IRQ_event. if you want the guts before that, check out 
arch/i386/kernel/entry.S around common_interrupt.

	Zwane

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