Messages in this thread | | | Subject | RE: Why no interrupt priorities? | From | Benjamin Herrenschmidt <> | Date | Fri, 27 Feb 2004 16:32:48 +1100 |
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> Is the assumption that hardirq handlers are superfast also the reason > why Linux calls all handlers on a shared interrupt, even if the first > handler reports it was for its device?
With level irqs only, it would be possible to return at this point. But with edge irqs, we could miss it completely if another device had an irq at the same time
Ben.
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