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    SubjectRe: softirq buggy [Re: Serial port latency]
    Date
    Hello!

    > + if (softirq_active(smp_processor_id()) & softirq_mask(smp_processor_id())) {
    > + do_softirq();
    > + return 0;

    BTW you may delete do_softirq()... schedule() will call this.


    > + *
    > + * Isn't this identical to default_idle with the 'no-hlt' boot
    > + * option? <manfred@colorfullife.com>

    Seeems, it is not. need_resched=-1 avoids useless IPIs.

    Alexey
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