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On Sat, Dec 21, 2002 at 10:19:20PM -0800, Pallipadi, Venkatesh wrote: > I actually meant interrupt distribution (rather than interrupt > routing). AFAIK, interrupt distribution right now assumes flat > logical setup and tries to distribute the interrupt. And is disabled > in case of clustered APIC mode. I was just thinking loud, about the > changes interrupt distribution code should have for systems using > clustered APIC/physical mode (NUMAQ and non-NUMAQ). IIRC the physical DESTMOD in the IO-APIC's RTE's is not essential, just somewhat more optimal given generalized node affinity. It also dodged the need for infrastructure to associate various kinds of devices with nodes in the 2.4.x timeframe. Dumping small tidbits of decision-making and destination formatting into headers that can be swizzled across subarches somehow would be ideal. Thanks, Bill - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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