Special schedulers, one CPU only kernel, one only userland

[Frank Mayhar]

On Wed, 2005-08-10 at 09:11 -0400, John Baldwin wrote:
> I think this is the model that BSD/OS employed 
> for SMP in its 4.x series before they did their version of SMPng.

I didn't grunge around in the scheduler (much), but as far as I'm aware
BSD/OS 4.x used the Big Giant Lock mechanism just as FreeBSD did, and
for the same reason.
-- 
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