Messages in this thread | | | From | Perry Harrington <> | Subject | Re: 2us Interrupt latency's for Linux 2.0.xx | Date | Wed, 2 Sep 1998 16:18:53 -0700 (PDT) |
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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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