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SubjectRe: 2us Interrupt latency's for Linux 2.0.xx
Date
I'm wondering, can the APIC be enabled for UP boards?  If so, why
doesn't Linux enable the APIC as the default interrupt controller
for single processor Pentium+ systems?

--Perry

> >
> > > _external_ interrupts have much higher latencies. (especially as old
> > > XT-PIC interrupts halt the CPU for a considerable amount of time ... this
> > > is not the case with IO-APIC and inter-CPU interrupts.)
> > >
> > > -- mingo
> > >

--
Perry Harrington Linux rules all OSes. APSoft ()
email: perry@apsoft.com Think Blue. /\

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