From owner-freebsd-hackers Tue Jul 3 10:37:38 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from InterJet.elischer.org (c421509-a.pinol1.sfba.home.com [24.7.86.9]) by hub.freebsd.org (Postfix) with ESMTP id 2325437B401 for ; Tue, 3 Jul 2001 10:37:35 -0700 (PDT) (envelope-from julian@elischer.org) Received: from InterJet.elischer.org (InterJet.elischer.org [192.168.1.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id MAA18343; Tue, 3 Jul 2001 12:02:41 -0700 (PDT) Date: Tue, 3 Jul 2001 12:02:40 -0700 (PDT) From: Julian Elischer To: Mike Smith Cc: hackers@freebsd.org Subject: Re: Config devices not in machine In-Reply-To: <3B41F252.32882BE7@mitre.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, 3 Jul 2001, Mike Smith wrote: > I'm new to FreeBSD (come from the *gasp* System V and RTU world) so I > hope this is the correct list for this. ( I'm sure I will be told if > it's not :-} ) You probably should ahve asked in "questions@freebsd.org" as it's not a very technical question, but not a disaster.. In answer to your question, the only downsides to having unused drivers in your kernel are: 1/ extra ISA-non-PNP drivers make teh boot slower as they look for their hardware. 2/ extra ISA-non-PNP drivers may interfere with other hardware while they are looking for their hardware. (rare) 3/ extra drivers take up extra space (GENERIC can usually shed about 600K if you strip out everything you don't want or need) > > Is there ANY penalty for having a device in your config file that is not > in your system?? > > I am inheriting a 40 machine laboratory. My predecessor decided to go to > a single config/kernel for all machines I'm sure for administrative > convenience. I'm trying to determine if there is any major penalty for > using this single "source" for all machines. > > Since we are doing significant hacks on FreeBSD to support proprietary > FAA protocols and equipment obsolete to the rest of the world, I want to > have as clean a kernel as possible to start from. FAA as in Flying? > > BTW, after 2 weeks, I LOVE this OS! > > Mike Smith not to me confused with msmith@freebsd.org (I guess it's not that uncommon a name) > mlsmith@mitre.org > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message