From owner-freebsd-arch@FreeBSD.ORG Tue Jun 23 21:06:50 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 5178A1065680 for ; Tue, 23 Jun 2009 21:06:50 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 23FBA8FC16 for ; Tue, 23 Jun 2009 21:06:50 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id CE9B546B81; Tue, 23 Jun 2009 17:06:49 -0400 (EDT) Received: from jhbbsd.hudson-trading.com (unknown [209.249.190.8]) by bigwig.baldwin.cx (Postfix) with ESMTPA id DBDE18A086; Tue, 23 Jun 2009 17:06:48 -0400 (EDT) From: John Baldwin To: Dag-Erling =?utf-8?q?Sm=C3=B8rgrav?= Date: Tue, 23 Jun 2009 17:06:33 -0400 User-Agent: KMail/1.9.7 References: <200906231341.43104.jhb@freebsd.org> <863a9q3c7a.fsf@ds4.des.no> In-Reply-To: <863a9q3c7a.fsf@ds4.des.no> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Message-Id: <200906231706.33465.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Tue, 23 Jun 2009 17:06:48 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.5 required=4.2 tests=AWL,BAYES_00,RDNS_NONE autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: 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 21:06:50 -0000 On Tuesday 23 June 2009 4:52:09 pm Dag-Erling Sm=C3=B8rgrav wrote: > John Baldwin writes: > > There have been a several issues with the existing ABI of the SYSV IPC= =20 > > structures over the past several years and it has been on the todo list= for=20 > > at least both 7.0 and 8.0. Rather than putting it off until 9.0 I sat = down=20 > > and worked on it this week. >=20 > 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. =2D-=20 John Baldwin