Date: Sun, 25 Mar 2007 15:34:09 +0100 (BST) From: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> To: "Wojciech A. Koszek" <wkoszek@freebsd.org> Cc: Robert Watson <rwatson@freebsd.org>, Peter Jeremy <peterjeremy@optushome.com.au>, freebsd-current@freebsd.org, Alex Kozlov <spam@rm-rf.kiev.ua> Subject: Re: Improved INCLUDE_CONFIG_FILE Message-ID: <20070325153013.E77473@ury.york.ac.uk> In-Reply-To: <20070324233307.GA93841@FreeBSD.czest.pl> References: <20070324113739.GA41119@ravenloft.kiev.ua> <20070324135333.GA86105@FreeBSD.czest.pl> <20070324153108.P4956@fledge.watson.org> <20070324220041.GI847@turion.vk2pj.dyndns.org> <20070324233307.GA93841@FreeBSD.czest.pl>
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On Sat, 24 Mar 2007, Wojciech A. Koszek wrote: > On Sun, Mar 25, 2007 at 08:00:41AM +1000, Peter Jeremy wrote: >> On 2007-Mar-24 15:32:00 +0100, Robert Watson <rwatson@freebsd.org> wrote: >>> On Sat, 24 Mar 2007, Wojciech A. Koszek wrote: >>>> I'd like to have this enabled by default, and I know there should be no >>>> strong objections. >>> >>> I agree -- the memory used by it is very small compared to the amount of >>> memory in modern systems, and the potential administrative benefit is very >>> large. As long as it remains an option, the embedded folk can turn it off >>> easily. >> Ideally, we would include it in a .comment section that wasn't loaded. >> Unfortunately my ELF-foo isn't up to this (I've tried something similar >> many years ago and couldn't get the linker to DWIW). > > In my current implementation, kernel configuration content is converted > to the string and is actually put into separate ELF section. However, > it's not .comment but a loadable section, since otherwise you wouldn't > be able to obtain the configuration of a running system. strings `sysctl -n kern.bootfile` | grep ^___ | sed -e 's/^___//' should still work if it was in a .comment section Gavin
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