Messages in this thread | | | Date | Mon, 4 Jan 1999 14:25:18 +0100 | From | Kurt Garloff <> | Subject | Re: SMP kernel on non-SMP machines? |
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On Sun, Jan 03, 1999 at 10:38:10AM -0600, Joseph W. Breu wrote: > On Sat, 2 Jan 1999, Tuan Hoang wrote: > > > I've got a bunch of machines (about 20) to install Linux on and > > I was wondering if it is safe to install a SMP kernel, > > on a few non-SMP machines. This would save me the hassle and > > time with compiling for each machine. In other words, > > I want to have one universal kernel across all of my machines. > > I actually did this by mistaked and I didn't have a single > problem. YMMV though.
Normally, SMP kernels work just fine on UP machines. There once was a problem reported for Cyrix6x86 chips, but I think this one was fixed.
Note, that SMP kernels have to do locking etc. to avoid race conditions. This will make your kernel bigger and a little bit slower for some things.
-- Kurt Garloff <kurt@garloff.de> [Dortmund, FRG] Plasma physics, high perf. computing [Linux-ix86,-axp, DUX] PGP key on http://www.garloff.de/kurt/ [Linux SCSI driver: DC390]
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