From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751176AbWGKSPz (ORCPT ); Tue, 11 Jul 2006 14:15:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750730AbWGKSPz (ORCPT ); Tue, 11 Jul 2006 14:15:55 -0400 Received: from mx2.suse.de ([195.135.220.15]:42191 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1751176AbWGKSPy (ORCPT ); Tue, 11 Jul 2006 14:15:54 -0400 Date: Tue, 11 Jul 2006 20:15:52 +0200 From: Olaf Hering To: "H. Peter Anvin" Cc: Jeff Garzik , Michael Tokarev , Roman Zippel , torvalds@osdl.org, klibc@zytor.com, linux-kernel@vger.kernel.org Subject: Re: [klibc] klibc and what's the next step? Message-ID: <20060711181552.GD16869@suse.de> References: <20060711044834.GA11694@suse.de> <44B37D9D.8000505@tls.msk.ru> <20060711112746.GA14059@suse.de> <44B3D0A0.7030409@zytor.com> <20060711164040.GA16327@suse.de> <44B3DA77.50103@garzik.org> <20060711171624.GA16554@suse.de> <44B3E7D5.8070100@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <44B3E7D5.8070100@zytor.com> X-DOS: I got your 640K Real Mode Right Here Buddy! X-Homeland-Security: You are not supposed to read this line! You are a terrorist! User-Agent: Mutt und vi sind doch schneller als Notes (und GroupWise) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 11, H. Peter Anvin wrote: > Olaf Hering wrote: > > > >There is always some sort of prereq when new features get added. > >Documentation/Changes has a long list. Some setup need more updates, > >some need fewer updates. No idea what your experience is. > >Old klibc was trivial to build (modulo that kernel header mess), and I > >expect that kinit handles old kernels. > > > > One more thing on this subject... "modulo that kernel header mess" is > just as much a reflection of the fact that the Linux ABI really isn't > particularly stable. glibc contains a huge amount of code to deal with > different kernel versions. klibc will not be doing this; in general old > klibcs should continue to work (but may not compile against a newer > kernel), but a newer klibc may not work on an older kernel. "It would be nice if ..." someone can build a list of things that changed over time. Say from 2.0.0 to 2.6.18. Just struct layouts and defines. I havent tried it, but one would hope that the /bin/ls from SuSE 5.3 still works today. Guess its time for me to actually try that the next days.