[ILUG] quake3 & SMP ?

Kenn Humborg kenn at bluetree.ie
Mon Mar 26 13:06:09 IST 2001


> On Thu, Mar 22, 2001 at 11:08:20PM +0000, Kenn Humborg mentioned:
> > In SMP, the CPUs are capable of performing the same tasks, such as
> > receiving interrupts and running kernel code.
>
>  I used to think that, until some of the first SMP versions of Linux were
> just able to accept interrupts to one CPU - which is not strictly
> symmetrical. However, I wasn't sure was that must because of kernel
> limitations, or hardware limitations...the P90 being the first chip to
> have an on-chip I/O APIC, so some board manufacturers could just have only
> one I/O APIC to save cost...

Well, I could go on about the PC platform not being real computers,
but I won't...

Later,
Kenn





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