From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 09 Dec 2016 12:27:09 +0100 (CET) Received: from mx1.redhat.com ([209.132.183.28]:33090 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23992111AbcLIL1C320U4 (ORCPT ); Fri, 9 Dec 2016 12:27:02 +0100 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 05A373D979; Fri, 9 Dec 2016 11:26:55 +0000 (UTC) Received: from griffin (ovpn-204-93.brq.redhat.com [10.40.204.93]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uB9BQplp031879 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 9 Dec 2016 06:26:52 -0500 Date: Fri, 9 Dec 2016 12:26:50 +0100 From: Jiri Benc To: Daniel Kahn Gillmor Cc: Hannes Frederic Sowa , "Jason A. Donenfeld" , Netdev , linux-mips@linux-mips.org, LKML , WireGuard mailing list Subject: Re: Misalignment, MIPS, and ip_hdr(skb)->version Message-ID: <20161209122650.36a1a8e8@griffin> In-Reply-To: <87vauvhwdu.fsf@alice.fifthhorseman.net> References: <095cac5b-b757-6f4a-e699-8eedf9ed7221@stressinduktion.org> <87vauvhwdu.fsf@alice.fifthhorseman.net> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Fri, 09 Dec 2016 11:26:55 +0000 (UTC) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 55988 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: jbenc@redhat.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips On Wed, 07 Dec 2016 23:34:21 -0500, Daniel Kahn Gillmor wrote: > fwiw, i'm not convinced that "most protocols of the IETF follow this > mantra". we've had multiple discussions in different protocol groups > about shaving or bloating by a few bytes here or there in different > protocols, and i don't think anyone has brought up memory alignment as > an argument in any of the discussions i've followed. Which is sad. One would expect that this would be well understood for decades already. Jiri From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: jbenc@redhat.com Received: from krantz.zx2c4.com (localhost [127.0.0.1]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 9aecb9dc for ; Fri, 9 Dec 2016 11:21:17 +0000 (UTC) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 2079445e for ; Fri, 9 Dec 2016 11:21:17 +0000 (UTC) Date: Fri, 9 Dec 2016 12:26:50 +0100 From: Jiri Benc To: Daniel Kahn Gillmor Subject: Re: Misalignment, MIPS, and ip_hdr(skb)->version Message-ID: <20161209122650.36a1a8e8@griffin> In-Reply-To: <87vauvhwdu.fsf@alice.fifthhorseman.net> References: <095cac5b-b757-6f4a-e699-8eedf9ed7221@stressinduktion.org> <87vauvhwdu.fsf@alice.fifthhorseman.net> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linux-mips@linux-mips.org, Netdev , LKML , Hannes Frederic Sowa , WireGuard mailing list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 07 Dec 2016 23:34:21 -0500, Daniel Kahn Gillmor wrote: > fwiw, i'm not convinced that "most protocols of the IETF follow this > mantra". we've had multiple discussions in different protocol groups > about shaving or bloating by a few bytes here or there in different > protocols, and i don't think anyone has brought up memory alignment as > an argument in any of the discussions i've followed. Which is sad. One would expect that this would be well understood for decades already. Jiri