From owner-freebsd-current@FreeBSD.ORG Thu Aug 17 10:30:37 2006 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7D59516A4E2 for ; Thu, 17 Aug 2006 10:30:37 +0000 (UTC) (envelope-from prvs=julian=377da0077@elischer.org) Received: from a50.ironport.com (a50.ironport.com [63.251.108.112]) by mx1.FreeBSD.org (Postfix) with ESMTP id BDC3243D55 for ; Thu, 17 Aug 2006 10:30:36 +0000 (GMT) (envelope-from prvs=julian=377da0077@elischer.org) Received: from unknown (HELO [192.168.2.6]) ([10.251.60.20]) by a50.ironport.com with ESMTP; 17 Aug 2006 03:30:36 -0700 Message-ID: <44E4454B.2080606@elischer.org> Date: Thu, 17 Aug 2006 03:30:35 -0700 From: Julian Elischer User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.7.13) Gecko/20060414 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Alexander Leidinger References: <44E1BD03.2030402@FreeBSD.org> <20060815144625.362bf376@Magellan.Leidinger.net> <44E1C3E4.7080508@FreeBSD.org> <20060815153451.604d16f1@Magellan.Leidinger.net> <44E1E85D.5070805@FreeBSD.org> <20060815180713.6a4ee2e6@Magellan.Leidinger.net> <20060815212143.G45647@fledge.watson.org> <20060816002328.365a14cd@Magellan.Leidinger.net> <20060816090653.GA820@turion.vk2pj.dyndns.org> <20060816132539.owwerbnw0okwc8wo@netchild.homeip.net> <20060817080533.GA845@turion.vk2pj.dyndns.org> <20060817122534.e57aqlbrwwogg8ko@netchild.homeip.net> In-Reply-To: <20060817122534.e57aqlbrwwogg8ko@netchild.homeip.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Peter Jeremy , current@freebsd.org Subject: Re: HEADS-UP: starting to commit linuxolator (SoC 2006) changes... X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Aug 2006 10:30:37 -0000 Alexander Leidinger wrote: > Quoting Peter Jeremy (from Thu, 17 Aug > 2006 18:05:33 +1000): > >> On Wed, 2006-Aug-16 13:25:39 +0200, Alexander Leidinger wrote: >> >>> Quoting Peter Jeremy (from Wed, 16 Aug >>> 2006 19:06:53 +1000): >>> >>>> On Wed, 2006-Aug-16 00:23:28 +0200, Alexander Leidinger wrote: >>>> >>>>> For the curious ones: the code is "activated" by changing osrelease, >>>> >> ... >> >>> It's mentioned in /usr/ports/UPDATING (as in: make sure you don't >>> change the default osrelease). >> >> >> I found it by grepping for osrelease. The comment is buried in >> the FC4 update and not immediately obvious. I was thinking of >> it being documented in (eg) linux(4). > > > Yes, it is mentioned for those which did change it back in the days > where it didn't changed anything in glibc and updated to fc4. > lang/icc was a bit picky about the compat.linux.* sysctls a little > bit longer. > > Anyone with enough mdoc-fu listening for the linux(4) change? > >>> The intend is to change the default value to 2.6.x when the code is >>> stable enough. >> >> >> What is the plan for the 2.4.x code? Will it be maintained (in which >> case, this should be documented), left to rot or explicitly deleted? > > > The 2.6 code is an extension to the 2.4 code. The 2.6 one is needed > for newer FC releases. So the current sysctl stuff is just a > disabling of some code in some syscalls. The goal is get stable 2.6 > extensions and to forget about the 2.4 downgrade (removing the part > which disables some stuff currently, the rest is needed). > > So no need to document the effects of some specific values for > osrelease, it's enough to say that only the default is supported, a > non default value may cause unwanted behavior and bugreports should > be submitted with default values. having the ability to run older linux may be a good thing..how good is their backwards compatibility.. I've heard of spme people being stuck on old versions of linux.. maybe the sysctl could stay if there is a problem to solve. > > Bye, > Alexander. >