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SubjectRe: [PATCH] lib: update DEBUG_SHIRQ docs to match reality

> > There is no extra interrupt when registering a shared interrupt handler
> > since 2011. Update the Kconfig text to make it clear and to avoid wrong
> > assumptions when debugging issues found by it.
> >
> I'm not sure.
> I have recently fixed a bug in the IIO sensor during ->probe() due to
> an issued test interrupt exactly as soon as the handler is registered.

kernel/irq/manage.c:#ifdef CONFIG_DEBUG_SHIRQ_FIXME

There is no place to enable this code.

Maybe your case was like Krzysztof's case where the issue turned out to
be the extra interrupt on deregistering after a deferred probe? He
thought it was the initial interrupt but it wasn't.

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