Linux w/ smp - is it necessary to build arla special?

[Nathan Neulinger]

Magnus Ahltorp wrote:
> 
> > Is it necessary to build arla special on an SMP machine, or will a non-smp
> > build work?
> >
> > If the non-SMP build will work, it saves me from having to maintain two
> > separate builds of arla.
> 
> I'm sorry, but the kernel module is compiled differently, since the
> locking macros look different in SMP and non-SMP (the interprocessor
> locking is removed on non-SMP kernels).

Ok. No big deal. Already have the infrastructure in place, but little
bits always help. SMP's just tend to be a pain cause we've only got a
couple of them.

> It is however, possible to run an SMP kernel on a UP machine.

Ick. You can... but you take a hefty performance hit from it.

Thanks.

-- Nathan