From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 141C0C5CFE7 for ; Tue, 10 Jul 2018 18:39:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D527E208EB for ; Tue, 10 Jul 2018 18:39:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D527E208EB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=iogearbox.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390047AbeGJSkI (ORCPT ); Tue, 10 Jul 2018 14:40:08 -0400 Received: from www62.your-server.de ([213.133.104.62]:37597 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732424AbeGJSkI (ORCPT ); Tue, 10 Jul 2018 14:40:08 -0400 Received: from [88.198.220.132] (helo=sslproxy03.your-server.de) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.85_2) (envelope-from ) id 1fcx8z-0000zR-6Y; Tue, 10 Jul 2018 20:13:45 +0200 Received: from [62.203.87.61] (helo=linux.home) by sslproxy03.your-server.de with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1fcx8y-0000Ej-VF; Tue, 10 Jul 2018 20:13:45 +0200 Subject: Re: [PATCH bpf 1/1] bpf: btf: Fix bitfield extraction for big endian To: Martin KaFai Lau , David Laight Cc: Okash Khawaja , Alexei Starovoitov , Yonghong Song , Jakub Kicinski , "David S. Miller" , "netdev@vger.kernel.org" , "kernel-team@fb.com" , "linux-kernel@vger.kernel.org" References: <20180709002202.019053555@fb.com> <20180709004002.440153594@fb.com> <20180709183236.r4b7gzmev5h4lcbw@kafai-mbp.dhcp.thefacebook.com> <457ec72d8d7c4cdd8c112f9c8c91b0e7@AcuMS.aculab.com> <20180710171836.xcegzammqym4sqri@kafai-mbp.dhcp.thefacebook.com> From: Daniel Borkmann Message-ID: Date: Tue, 10 Jul 2018 20:13:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <20180710171836.xcegzammqym4sqri@kafai-mbp.dhcp.thefacebook.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.100.0/24740/Tue Jul 10 15:42:50 2018) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/10/2018 07:18 PM, Martin KaFai Lau wrote: [...] > I would prefer to keep it as u16 which is the max width that is allowed for > this field in the wire format. Keeping the usage consistent can avoid > accidentally incorrect offsetting or writing wrong data out in other > cases. +1