Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 6 Nov 2001 15:18:54 -0700 (MST)
From:      FreeBSD user <freebsd@XtremeDev.com>
To:        Anthony Atkielski <anthony@atkielski.com>
Cc:        Mark Hughes <mh_lists@digitalspy.co.uk>, FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: Multi-processor Support
Message-ID:  <20011106151603.Y9464-100000@Amber.XtremeDev.com>
In-Reply-To: <001f01c166ad$5ac379a0$0a00000a@atkielski.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 6 Nov 2001, Anthony Atkielski wrote:

> 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.
>

True. IF SMP support can be done as a runtime option. Which is what you
are assuming it is. If it indeed can be made as a runtime option, I
suspect it will take a great many man hours. But until then, it'll
probably remain a compile time option.

>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-questions" in the body of the message
>
>
>


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20011106151603.Y9464-100000>