Messages in this thread | | | Subject | Re: [PATCH] MSI interrupts: disallow when no LAPIC/IOAPIC support | From | Alan Cox <> | Date | Tue, 27 Sep 2005 23:37:50 +0100 |
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On Maw, 2005-09-27 at 17:26 -0400, Jeff Garzik wrote: > Grant Grundler wrote: > > I've no clue why folks thought it was better to ignore > > the IO APIC on UP kernels. > > Hysterical raisins: the -majority- of the early uniprocessor systems > that claimed IOAPIC support were broken.
Not really broken in most cases, but since nobody was using the APIC board makers didn't bother wiring for it.
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