On Thu, May 05, 2005 at 12:16:21AM -0400, Brown, Len wrote:
> On Fri, 2005-04-29 at 22:43, Pallipadi, Venkatesh wrote:
>
> > The patch as it is should handle 8259 case using the regular APIC
> > timer. It only adds broadcast when IOAPIC is used for timer
> > interrupt.
>
> While they don't need the broadcast capability of this patch,
> uniprocessors do need the change to stop using LAPIC timer
> if they support C3 (as virtually all laptops do).
> It was a mistake to allow using the LOC on a uniprocessor
> in the first place -- as the UP system runs perfectly fine
> with timers coming in on IRQ0 and doesn't need another interrupt.
Yes I agree. It does not make much sense to run two timers
on a CPU. I already changed that in my x86-64 tree. i386 will
hopefully follow at some point.
-Andi
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