Messages in this thread | | | Date | Fri, 10 Dec 2004 15:58:52 -0700 (MST) | From | Zwane Mwaikambo <> | Subject | Re: RCU question |
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On Fri, 10 Dec 2004, George Anzinger wrote:
> > Well, softirqs should really be preemptible if you care about RT task > > latency. Ingo's patches have had this for months. Works great. Maybe > > it's time to push it upstream. > > Yes, I understand, and soft_irq() does turn on interrupts... > I was thinking of something like: > > while(softirq_pending()) { > local_irq_enable(); > do_softirq(); > local_irq_disable(); > } > <proceed to idle hlt...>
But that's a deadlock and if you enable interrupts you race. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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