Re: CONFIG_SMP patch available for 2.1.54

James David Rich (
Tue, 9 Sep 1997 18:12:22 -0600 (MDT)

SMP kernels on my Cyrix 486/66 don't work. The system won't boot. Of
course this is a pretty obvious clue that I compiled it wrong, but I
don't think the Uni/SMP distinction should be done away with.

James Rich

reply to:

On Tue, 9 Sep 1997, Bill Hawes wrote:

> David Woodhouse wrote:
> > This will save me an awful lot of time on the all-too-frequent occasions when
> > I forget to edit the Makefile before compiling a new kernel. I've built SMP
> > kernels for other peoples' machines, and I've built uniprocessor kernels for
> > my own. Once I ran my machine on a single CPU for a week before I noticed!
> I've been puzzled for a while with the discussion of __SMP__ and
> CONFIG_SMP. Do some uni-processor machines have a problem with SMP
> kernels? I've been running mine (P133, 32M, ASUS P55T2P4 MB, EIDE HD)
> with SMP-compiled kernels for months without problems.
> AFAIK, the kernel does a fine job of treating one processor as a special
> case of SMP. Unless there's a problem on some architectures, why can't
> we just do away with the Uni/SMP distinction?
> Regards,
> Bill