Re: Yet another IO-APIC problem (was Re: via-rhine weirdness withviakt8235 Southbridge)

Andrew Morton
2002-11-15T01:18:26Z

Jeff Garzik wrote:
>
> Andrew Morton wrote:
>
> > Jeff Garzik wrote:
> >
> > >...
> > >IMO we should just take out UP IOAPIC support in the kernel, or put a
> > >big fat warning in the kernel config _and_ at boot...
> > >
> >
> >
> > It would be nice to get it working, because oprofile needs it.
> >
> > (Well, oprofile can use the rtc, but then it doesn't profile
> > ints-off code)
>
> I don't see it happening, when uniprocessor mobo vendors (a) don't wire
> it up, or (b) put buggy data in their MP tables... :(
>

OK. Actually, rtc-based profiling gives perfectly grand results for
profiling userspace, and those people who want to profile their
interrupt handlers presumably know where to buy a decent motherboard.