Messages in this thread | | | From | "Manfred Spraul" <> | Subject | Re: softirq buggy [Re: Serial port latency] | Date | Sun, 8 Apr 2001 19:21:54 +0200 |
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From: <kuznet@ms2.inr.ac.ru> > 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. >
But with a huge overhead. I'd prefer to call it directly from within the idle functions, the overhead of schedule is IMHO too high.
> > > + * > > + * 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. > I already wondered why need_resched is set to -1 ;-)
I'll remove that comment and repost the patch.
-- Manfred
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