Swami wrote:
>
> Hi,
>
> Are there any interrupts which doesn't affect local_irq_count(cpu) or that
> doesn't enter do_IRQ()? (other than NMIs).
>
> Because I'm implementing my own locking routine and I'm getting
> interrupted during spin, but I check and found that in_interupt() returns
> zero.
All hardware interrupts go through do_IRQ. There are also CPU
exceptions and inter-processor interupts (SMP only) that have individual
handlers.
--
Brian Gerst
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