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Quoting Will Ellis-Adams (admin_(_at_)_reifier_(_dot_)_org):
> >What are those complains? I haven't heard them.
> From: "J. Joseph Max Katz" <jkatz_(_at_)_cpio_(_dot_)_net>
> Date: Sun, 12 Jul 1998 19:31:20 -0700 (PDT)
> cc: misc_(_at_)_openbsd_(_dot_)_org
> "As for borrowing FreeBSD SMP code, that's probably not a wise
> idea. I know a lot of FreeBSD advocates who were blasted because
> it really isn't that scalable. Their kernel isn't re-enterent
> as it needs to be. "

And in 1998, we had FreeBSD 2.2.4.
And during FBSD 3.x, they found that their locking was far
too great (large spaces locked causing poor scaling).  And
for 2 years, they've been working on much smaller locking in
5.0 (now rc2).