Re: SMP in Linux

[Alastair Donlon <nospam [at] netsoc.ucd.ie>]

On Fri, Mar 17, 2000 at 12:29:43PM +0000, Dr C J Lamb wrote:
> You wrote:
> 
> > it's not the distro it's the kernel which provides smp. Check the smp 
> 
> Indeed, I know. I was meaning if the userland supported SMP
> or do I have the irritation of make world and other dead chicken
> waving to get userland working with SMP. BSD went through
> a period in early 3.0 of having to do a make world to get
> utils such as ps, top, perfmon/xload to report numbers that
> were on this planet. Post 3.2 all such utils ran happily
> irrespective of SMP/!SMP. As make world takes 6 hours for
> all my sources on a K6-2 400, I'd rather not have to do it
> when I've got analysis of cardiac flow patterns to complete.

No, all the userland processes should be oblivious (and in linux
are oblivious) to whether the kernel is UP or SMP. The only
noticable difference should be in speed.

A.D.
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