From owner-freebsd-arch@FreeBSD.ORG Tue Jun 23 21:15:45 2009 Return-Path: Delivered-To: arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4A9511065670 for ; Tue, 23 Jun 2009 21:15:45 +0000 (UTC) (envelope-from julian@elischer.org) Received: from outZ.internet-mail-service.net (outz.internet-mail-service.net [216.240.47.249]) by mx1.freebsd.org (Postfix) with ESMTP id 3119A8FC14 for ; Tue, 23 Jun 2009 21:15:45 +0000 (UTC) (envelope-from julian@elischer.org) Received: from idiom.com (mx0.idiom.com [216.240.32.160]) by out.internet-mail-service.net (Postfix) with ESMTP id 9C7AD322D9; Tue, 23 Jun 2009 16:49:41 -0700 (PDT) X-Client-Authorized: MaGic Cook1e X-Client-Authorized: MaGic Cook1e X-Client-Authorized: MaGic Cook1e Received: from julian-mac.elischer.org (home.elischer.org [216.240.48.38]) by idiom.com (Postfix) with ESMTP id 699002D600D; Tue, 23 Jun 2009 14:15:44 -0700 (PDT) Message-ID: <4A414600.4060008@elischer.org> Date: Tue, 23 Jun 2009 14:15:44 -0700 From: Julian Elischer User-Agent: Thunderbird 2.0.0.21 (Macintosh/20090302) MIME-Version: 1.0 To: John Baldwin References: <200906231341.43104.jhb@freebsd.org> <863a9q3c7a.fsf@ds4.des.no> <200906231706.33465.jhb@freebsd.org> In-Reply-To: <200906231706.33465.jhb@freebsd.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Cc: =?UTF-8?B?RGFnLUVybGluZyBTbcO4cmdyYXY=?= , arch@freebsd.org Subject: Re: [PATCH] SYSV IPC ABI rototill X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Jun 2009 21:15:45 -0000 John Baldwin wrote: > On Tuesday 23 June 2009 4:52:09 pm Dag-Erling Smørgrav wrote: >> John Baldwin writes: >>> There have been a several issues with the existing ABI of the SYSV IPC >>> structures over the past several years and it has been on the todo list for >>> at least both 7.0 and 8.0. Rather than putting it off until 9.0 I sat down >>> and worked on it this week. >> Have you given any thought to virtualization, i.e. separate namespaces >> for each jail? Will your patch make this any easier or harder to >> implement? > > It likely has zero effect on that. The global variables one would need to > virtualize are unchanged by this. > Marko did this and it is in P4 somewhere...