Messages in this thread |  | | | Date | Wed, 21 May 2008 09:18:05 -0700 | | From | Max Krasnyanskiy <> | | Subject | Re: IRQ affinities |
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Arjan van de Ven wrote: > On Tue, 20 May 2008 18:14:58 -0700 > Max Krasnyanskiy <maxk@qualcomm.co > >> For the IRQs specifically all I need is to be able to tell the kernel >> to not route IRQs to certain CPUs. That's mostly works already via >> /proc/irq/N/smp_affinity, the problem is dynamically allocated irqs >> because /proc/irq/N directory does not exist until those IRQs are >> allocated/enabled. > \\ > > why don't you tell irqbalance instead? it'll make sure the irq stays > out of the wind... >
That will be too late. By the time irqbalance sees that IRQ it may have already fired (possibly several times) on the "wrong" processor.
Max
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