Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp2018789imm; Tue, 10 Jul 2018 11:42:12 -0700 (PDT) X-Google-Smtp-Source: AAOMgpe95prQ0OSkEqfe8FHy6ZiaPw4+OVRQJSy/0EpO4QGsII49Isa3+WTepANFy1SDeFea/+bq X-Received: by 2002:a63:1902:: with SMTP id z2-v6mr23302224pgl.86.1531248132280; Tue, 10 Jul 2018 11:42:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531248132; cv=none; d=google.com; s=arc-20160816; b=Zw+f6GkPvLJewYsCIsLpGt18QLoOO4U1Ssrbeb7+pEJchcNBqrUQtiaTuBP2+uK1ZI A75uCOfGEXr6+QeaLeyj2tvRPciLFUKTuFN+jW3gdDsYX1Tgtys1AnPUOkPKXC0NPnpN FfM6GG1b88E+qFgAwiWlEH909XQiByzl9REUGnNccHQ0KMwULpZKDsO7edeUxFSGf8lT hsvCyQPw/LUC+zTRzY8NWZHOCjaccgCiSa+/5eGAFjaRNlvwPasAwmdz++foBDLYBmRw EXmOdhMqksgsFxg0SIKsTN6nQx/7+N3zSyT17pVrrTVcawN37Ol+lcNfYq91VTqRJeAa n/0g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:arc-authentication-results; bh=naF7hk2IvJp2t6ROc/mZwkrpS8DLEZjNx1vkjZlBnjM=; b=nggvS+5tpIj+5Z83chVfxep/NiFS4clHox06n7EtRnoaeBhwMLk5yTZ9zJU6AAAgo7 QjIYwNRuzkAD/W8E3l2qFwMY70ZrBGVW1bCJWGSpIATwHE4j1o4hGmk4YWKsIMEUpFbE 8lOxR1Mq217PSLwxG+oH53jCNagkOmFhCYTWaQ8w5lGkxmcHTpWn+iUDdNhhABgdhTNB rxbGTtgJAVzF3ZTRSvJ+yveSkPAjduIgDpTtYUFJp8Ohb+WzdyuGQF3TJvAFrVWto+Sx AS/8Njcn5l0+bjW597fFyrnFAg9qxE78STQ/x+H1bA0SJCvYWyyDqD5JjJ6VzSckn4PS jsXg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id l13-v6si17100346pgr.291.2018.07.10.11.41.57; Tue, 10 Jul 2018 11:42:12 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390037AbeGJSkI (ORCPT + 99 others); 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