Messages in this thread |  | | Date | Fri, 16 Feb 2007 10:07:40 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: [RFC] killing the NR_IRQS arrays. |
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Eric W. Biederman wrote: > So I propose we remove all assumptions from the code that we actually > have an array of irqs. That will allow for irq_desc to be dynamically > allocated instead of statically allocated saving memory and reducing > kernel complexity. >
Sounds good to me. In Xen we have 1024 event channels which we need to map down into a smaller irq. Aside from the complexity of maintaining a mapping table, that's not a huge issue for now, but when we start exposing pci devices to guests it all becomes more complex. The ideal for us is to simply use event channel == irq, which this would allow.
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