From owner-freebsd-hackers@FreeBSD.ORG Thu Dec 6 21:58:43 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 22B6595C for ; Thu, 6 Dec 2012 21:58:42 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from esa-annu.net.uoguelph.ca (esa-annu.mail.uoguelph.ca [131.104.91.36]) by mx1.freebsd.org (Postfix) with ESMTP id D0FDC8FC13 for ; Thu, 6 Dec 2012 21:58:41 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqAIABsUwVCDaFvO/2dsb2JhbABEhjS2dQQEgRRzgkiBAwgCDRkCS4g3oTSOUJJqgSKMMYIWgRMDiF+NJIlNhnqDEYIE X-IronPort-AV: E=Sophos;i="4.84,233,1355115600"; d="scan'208";a="3711414" Received: from erie.cs.uoguelph.ca (HELO zcs3.mail.uoguelph.ca) ([131.104.91.206]) by esa-annu.net.uoguelph.ca with ESMTP; 06 Dec 2012 16:58:40 -0500 Received: from zcs3.mail.uoguelph.ca (localhost.localdomain [127.0.0.1]) by zcs3.mail.uoguelph.ca (Postfix) with ESMTP id E6B83B3EA2 for ; Thu, 6 Dec 2012 16:58:40 -0500 (EST) Date: Thu, 6 Dec 2012 16:58:40 -0500 (EST) From: Rick Macklem To: freebsd-hackers@freebsd.org Message-ID: <886101549.1211675.1354831120890.JavaMail.root@erie.cs.uoguelph.ca> Subject: any arch not pack uint32_t x[2]? MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [172.17.91.203] X-Mailer: Zimbra 6.0.10_GA_2692 (ZimbraWebClient - FF3.0 (Linux)/6.0.10_GA_2692) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Dec 2012 21:58:43 -0000 Hi, The subject line pretty well says it. I am about ready to commit the NFSv4.1 client patches, but I had better ask this dump question first. Is there any architecture where: uint32_t x[2]; isn't packed? (Or, sizeof(x) != 8, if you prefer.) As you might have guessed, if the answer is "yes", I have some code fixin to do, rick