Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 2 Apr 2001 20:24:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 2 Apr 2001 20:24:12 -0400 Received: from panic.ohr.gatech.edu ([130.207.47.194]:3539 "HELO havoc.gtf.org") by vger.kernel.org with SMTP id ; Mon, 2 Apr 2001 20:24:10 -0400 Message-ID: <3AC91800.22D66B24@mandrakesoft.com> Date: Mon, 02 Apr 2001 20:23:28 -0400 From: Jeff Garzik Organization: MandrakeSoft X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.4.2-20mdksmp i686) X-Accept-Language: en MIME-Version: 1.0 To: Jeremy Jackson Cc: Ian Soboroff , linux-kernel@vger.kernel.org Subject: Re: /proc/config idea In-Reply-To: <877l13whzw.fsf@danube.cs.umbc.edu> <3AC89389.46317572@coplanar.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jeremy Jackson wrote: > Yes, I like this. I do this manually, it allows reproducability, and > incremental > modifications, tracing how that kernel on that problem system was made... > > I think the ultimate would be to put all of .config (gzipped?) in a new ELF > section without the Loadable attribute... I wish System.map was the same. > The you're guaranteed you know how a kernel on disk was configured. > > To correlate a running kernel to one on disk (vmlinuz) you have LILO... > it appends an environment variable to the kernel command line with > the name of the file it booted. This is not infallable, since LILO maps > disk sectors, only using the filesystem at map install time. > > Permaps an md5sum of the .text ELF section would conclusively > link the in-core kernel with an on-disk vmlinuz? Shouldn't be hard > to do with objcopy and /proc/kmem? [...] > Comments anyone? Instead of doing all this stuff in the kernel, you could simply update symlinks to properly installed files at boot time. Putting _files_ in the kernel is plain silly. This is unreclaimable memory, folks. There is no need to special case an operation as simple as reading a file. [I think this about firmware images too, but that's another thread] -- Jeff Garzik | May you have warm words on a cold evening, Building 1024 | a full moon on a dark night, MandrakeSoft | and a smooth road all the way to your door. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/