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    SubjectRe: [PATCH 00/42] dyn_array/nr_irqs/sparse_irq support v5
    Yinghai Lu wrote:
    >> Other architectures may speak for themselves, but why not just support
    >> sparse IRQs on x86-32 *and* -64 and skip the dyn_array variant?
    >
    > after we merged io_apic_32.c into io_apic_64.c.
    > also I want to kill irq balance in io_apic_32.c, but no one say
    > anything about it.
    >
    > also dyn_array could have other user in addition to nr_irqs.
    > i will dig it out like NR_CPUS/nr_cpu_ids related array. and Mike
    > tried to put every thing to PER_CPU instead of array, maybe some case
    > array would be effient than that. that make dyn_array some usage.

    Let the potental other users worry about it at that time. I understand
    it's a neat feature, but that doesn't justify adding it at this time if
    it's not the right thing forthe job.

    I really don't want to see x86-32 and x86-64 diverge more, and I really
    don't want to throw in additional complexity if we don't really need it.

    -hpa



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