"Carlos E. R." <[EMAIL PROTECTED]> writes: > The Thursday 2008-01-17 at 14:02 +0100, Roger Oberholtzer wrote: > >> The reason this came up was that I stopped worrying about supplying an >> -SMP version of a local device driver in our packages. Life was getting >> simple: only the -default kernel was needed. That didn't last so long. >> Now I need to dig up a system sunning a -BIGSMP kernel to compile the >> driver for the package. That's the hard part. > > Notice that the default kernel is also an SMP kernel, so you may need to > compile two versions: smp and bigsmp versions. There is no "no smp" > version now. > > I must be one of the few people on earth running a machine with a single, > non smp, processor, so I usually recompile the kernel to suit. O:-)
You should not see any performance difference, the kernel figures out at
runtime whether it's SMP or not and then uses the correct code. Check
dmesg for something like:
SMP alternatives: switching to UP code
SMP alternatives: switching to SMP code
Andreas
--
Andreas Jaeger, Director Platform / openSUSE, [EMAIL PROTECTED]
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
Maxfeldstr. 5, 90409 Nürnberg, Germany
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