Date: Wed, 3 Jul 2002 13:45:16 -0500 (CDT) From: John Utz <john@utzweb.net> To: Darren Pilgrim <dmp@pantherdragon.org> Cc: W Gerald Hicks <gehixz@bellsouth.net>, <freebsd-small@FreeBSD.ORG> Subject: Re: Guide to reducing FreeBSD (a.k.a miniBSD :) Message-ID: <Pine.LNX.4.44.0207031333290.4324-100000@jupiter.linuxengine.net> In-Reply-To: <3D229963.EF2B40B3@pantherdragon.org>
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On Tue, 2 Jul 2002, Darren Pilgrim wrote: > W Gerald Hicks wrote: > > > > On Wednesday, July 3, 2002, at 12:10 AM, Darren Pilgrim wrote: > > [snips] > > > As long as you realize that if a /bin or /sbin program can't run due > > > to missing/corrupt libraries that you may or may not be able to even > > > boot single-user. At the very least, /bin/sh, /sbin/mount, /sbin/init, > > > and /sbin/fsck should be static builds. > > > > > > > Libraries residing in a linked-in MD_ROOT_IMAGE are available whenever > > the kernel is > > but it still seems more space efficient for that small handful of > > critical files to be crunch-linked. > > Those libraries can still get corrupted. Using dynamic binaries adds > a point of failure. It's not much more space taken for just those few > programs, so why increase the risk? ahh, because this is where we cross into the land of the manufactuing world :-) when you are designing a commodity product, cost reduction is key. if you have a choice of shrinking the OS and getting it onto a cheaper part, you will. If i have a us$1.00 memory device that will contain the image iff i link dynamically, and i have a us$1.05 part that is twice as big that will allow me to use the safer statically linked bits, then i will have a long and hard discussion about this during the design review. If i can come up with a rational, value adding, *marketable* use for all my new empty space, i might be able to win the argument. If the part only costs us$0.01 more, instead of us$0.05 more, than i can probably get the part blessed with no argument and somebody else will own the job of figuring out how to use that extra space in a future product improvement. If the part costs us$0.25 more, i wont even waste my breath. :-) Tho i will include a paragraph about the issue in my design doc. > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-small" in the body of the message > -- John L. Utz III john@utzweb.net Idiocy is the Impulse Function in the Convolution of Life To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-small" in the body of the message
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