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SubjectRe: [PATCH][RFC] per isr in_progress markers
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mingo@elte.hu said:
> this is something i have a 0.5 MB patch for that touches a few
> hundred drivers. I can dust it off if there's demand - it will break
> almost nothing because i've done the hard work of adding the default
> 'no work was done' bit to every driver's IRQ handler.

Note that you can also survive IRQ storms this way -- if all handlers
returned 'no work was done' and you get over $N irqs per second, disable
that IRQ for a while.

--
dwmw2


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