Re: multiple interrupts on single IRQ line

[Catalin Marinas <catalin.marinas@xxxxxxx>]

Shakthi Kannan <shakstux@xxxxxxxxx> writes:
> When I am servicing an interrupt in the interrupt
> handler, multiple interrupts get generated and since I
> am servicing the handler, they are missed.

How long is your interrupt handler? If it is too long, you can just
log some data in your driver and do the processing outside the
handler.

> I believe
> only if the interrupt handler is called does
> /proc/interrupts increment the corresponding count for
> the interrupt.

Yes. If the interrupts are disabled, no interrupt will counted.

Catalin


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