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Date: Mon, 2 Aug 2004 17:55:44 -0400
From: Tom Rhodes <trhodes@FreeBSD.org>
To: John Baldwin <jhb@FreeBSD.org>
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Subject: Re: cvs commit: src/sys/alpha/alpha mem.c src/sys/alpha/conf
 GENERIC src/sys/alpha/include memdev.h src/sys/amd64/amd64 io.c mem.c
 src/sys/amd64/conf GENERIC NOTES src/sys/amd64/include iodev.h memdev.h
 src/sys/conf NOTES files files.alpha files.amd64 ...
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On Mon, 2 Aug 2004 16:00:00 -0400
John Baldwin <jhb@FreeBSD.org> wrote:

> On Sunday 01 August 2004 07:40 am, Mark Murray wrote:
> > markm       2004-08-01 11:40:54 UTC
> >
> >   FreeBSD src repository
> >
> >   Modified files:
> >     sys/alpha/alpha      mem.c
> >     sys/alpha/conf       GENERIC
> >     sys/amd64/amd64      mem.c
> >     sys/amd64/conf       GENERIC NOTES
> >     sys/conf             NOTES files files.alpha files.amd64
> >                          files.i386 files.ia64 files.pc98
> >                          files.sparc64
> > [ ... ]
> 
> Why in the world are /dev/null and /dev/zero optional?  /dev/[k]mem 
> and /dev/io I can accept for those with uber-high security paranoia, but I 
> can't think of any good reason to have a kernel without /dev/null 
> and /dev/zero.  To me it seems that this creates way more foot shooting 
> potential than benefit.  It's one thing to have device drivers for hardware 
> that may or may not be present optional, but /dev/null and /dev/zero do not 
> fall into that case.

Foot shooting potential?  Please, we have other "KEEP THIS" listed
for COMPAT_43, why not the same here?  Like:

device null KEEP THIS!
device zero KEEP THIS TOO!

-- 
Tom Rhodes