Messages in this thread | | | Date | Fri, 29 Aug 2008 09:08:41 +0200 | From | Brice Goglin <> | Subject | Re: [RFC] export irq_set/get_affinity() for multiqueue network drivers |
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David Miller wrote: > I think we should rather have some kind of generic thing in the > IRQ layer that allows specifying the usage model of the device's > interrupts, so that the IRQ layer can choose a default affinities. > > I never notice any of this complete insanity on sparc64 because > we flat spread out all of the interrupts across the machine. > > What we don't want it drivers choosing IRQ affinity settings, > they have no idea about NUMA topology, what NUMA node the > PCI controller sits behind, what cpus are there, etc. and > without that kind of knowledge you cannot possible make > affinity decisions properly.
As long as we get something better than the current behavior, I am fine with it :)
Brice
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