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Date:      Tue, 6 Nov 2001 11:25:22 +0100
From:      "Anthony Atkielski" <anthony@atkielski.com>
To:        "Mark Hughes" <mh_lists@digitalspy.co.uk>, "FreeBSD Questions" <freebsd-questions@freebsd.org>
Subject:   Re: Multi-processor Support
Message-ID:  <001f01c166ad$5ac379a0$0a00000a@atkielski.com>
References:  <Pine.LNX.4.33.0111060922400.10893-100000@www.digitalspy.co.uk>

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Mark writes:

> Think of it this way - most systems in use with
> FreeBSD right now, I would imagine, have only one
> processor, so does it make sense to clutter the
> generic kernel with code that most systems won't
> use? With a source-provided OS, there's no need
> to do that.

Recompiling the OS to make configuration changes is rather dated for most
systems.  The problem with rebuilding the OS is that, if you make any mistakes,
you may not be able to boot the system at all, and this risk is generally enough
to outweigh any insignificant savings in run-time resource consumption incurred
by excluding a few snippets of code.  This is why so much is done with
configuration files and runtime parameters these days.  Individual application
systems are rarely rebuilt to make configuration changes for the same reasons.


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