Messages in this thread |  | | From | David Woodhouse <> | Subject | Re: [PATCH][RFC] per isr in_progress markers | Date | Tue, 10 Sep 2002 16:05:08 +0100 |
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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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