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    SubjectRe: IRQ affinities
    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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