From owner-freebsd-current@FreeBSD.ORG Thu Aug 17 22:56:13 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 2FE8416A4DA for ; Thu, 17 Aug 2006 22:56:13 +0000 (UTC) (envelope-from astrodog@gmail.com) Received: from wx-out-0506.google.com (wx-out-0506.google.com [66.249.82.237]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7FB5343D46 for ; Thu, 17 Aug 2006 22:56:12 +0000 (GMT) (envelope-from astrodog@gmail.com) Received: by wx-out-0506.google.com with SMTP id i27so572892wxd for ; Thu, 17 Aug 2006 15:56:11 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=l98dn5SLZO1CYxpeCy6XWjpME+nK2mLwxZuQjORKqXlQw+pKCNkVXSEdErZ7fWizJjBdH675JT1dyEkzaGWHPR2jwKU87aYpQMpqAvsiTWAkO2wrqZsuDq3ynKU0NBOzqDg4tl0xpPQcj33g7T7NLKY6CI4hdp3bPJSsNkAxq64= Received: by 10.70.38.9 with SMTP id l9mr3711462wxl; Thu, 17 Aug 2006 15:56:11 -0700 (PDT) Received: by 10.70.118.13 with HTTP; Thu, 17 Aug 2006 15:56:10 -0700 (PDT) Message-ID: <2fd864e0608171556o6af3e1fdxa29c252f07c98444@mail.gmail.com> Date: Thu, 17 Aug 2006 17:56:10 -0500 From: Astrodog To: "Divacky Roman" In-Reply-To: <20060817164352.GB96801@stud.fit.vutbr.cz> MIME-Version: 1.0 References: <20060815212143.G45647@fledge.watson.org> <20060816090653.GA820@turion.vk2pj.dyndns.org> <20060816132539.owwerbnw0okwc8wo@netchild.homeip.net> <20060817080533.GA845@turion.vk2pj.dyndns.org> <20060817122534.e57aqlbrwwogg8ko@netchild.homeip.net> <44E4454B.2080606@elischer.org> <20060817133721.h4cbucizcw8wc88k@netchild.homeip.net> <20060817140122.GA90642@stud.fit.vutbr.cz> <44E4881A.3050907@elischer.org> <20060817164352.GB96801@stud.fit.vutbr.cz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: 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 22:56:13 -0000 On 8/17/06, Divacky Roman wrote: > > On Thu, Aug 17, 2006 at 08:15:38AM -0700, Julian Elischer wrote: > > Divacky Roman wrote: > > > > >>Anyone with interest in this is free to take care of this, as long as > > >>they coordinate with the people which work on the current > > >>infrastructure on emulation@ regarding the userland/security stuff and > > >>the kernel. Until someone stands up and shows results/progress, this > > >>is scheduled to vanish in the future. > > >> > > >> > > > > > > > > >I personally see this 3 possible ways: > > > > > >1) leave it as it is (ie. as what will be commited shortly), this means > > >runtime > > >checking for osrelease sysctl and behaving according to it > > > > > >2) introduce option LINUX_24 or something like that to make this a > compile > > >time build > > > > > >3) remove the 2.4 completely saying that "if you want 2.4 emulation > > >downgrade fbsd as well". notice that this is 100% ok because linux > itself > > >doesnt support 2.4 emulation on 2.6 kernel. > > > > > > > > > > I think that would be a great selling point.. especially if two > > processes could run the different releases at the same time.. > > "even linux needs vmware to do this..". > > this is not hard to implement but remeber that it causes getpid() to be > quite expensive function. and as netchild said - newer glibc doesnt work > with > 2.4 kernel so unless somone is willing to maintain libc for the old > linux_base > there wont be any use for this. Would it be possible to maintain 2 sets? Basically, leave the old stuff avalible, but require some sysctl or compile-time setting to use it... if no one steps up to maintain it, let it rot. If someone wants to deal with it... let 'em! --- Harrison