Received: by 10.223.176.5 with SMTP id f5csp4097868wra; Tue, 30 Jan 2018 02:01:14 -0800 (PST) X-Google-Smtp-Source: AH8x225COgxnbCc4vYbJUPcZmfDwAdFLSPcMu5dg06gzMvZ5GIk7aVoywyaxCNbq6kWCI73dGttr X-Received: by 10.98.159.139 with SMTP id v11mr29201846pfk.64.1517306474600; Tue, 30 Jan 2018 02:01:14 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517306474; cv=none; d=google.com; s=arc-20160816; b=bSB9X+y+r6nFqtaaKYIJO3ahTxVE04i+na35FgYvPByzIkzLXRSY84VBpeBUukxIJ3 c+GssNnoN99Uxj7UiMp2SyIouXPyWU6QIYD2u1ndwyHgT//Fzoo2S05waq5WO22baitA QxRS4Zv+DBp9jJyzP+v+z5q2A6qI7tq1tausU5HhYAAEZoQnXgFcMFUUt9V5vTZvCfCq xWbkK1wXeBMe4+/pD8N2MmRWoIjGBul4uJ9cmXfwkSUj9qQ6PK8QjFEcXiGcEndpAZKy rHVrnaYmuSfs77LyzFuPzELQOeCUFLqSL8TuoQMEh0laIGgG8z2/01VAe9VJhxsTWPEI sKAw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-transfer-encoding:content-disposition:mime-version :references:message-id:subject:cc:to:from:date :arc-authentication-results; bh=mw/a9WELRZ2Rtfu9+SqkqQVrlMSFZSDQ31e3Otty9u4=; b=rc9qwoy260XOBwKRKi/3XALAxpPjnr4bKpLDOnhAywa0AqACmCEi9ri3AVuXrV9VpF Y5N7Uqdes+4wa72Tj8igs60wzIycQWGMSVi6MUEgox0JPPGdu+bRQeeF/2ZjpoOs4zKF UPykDHTnibTu2Vsh1MlFLC++SAAGVIeeWzD95xCmFRc28qVMyqs1N+ElY2NikuJdEQmF t5D9L6xkAhm1PqEO5xRgZ++yAuiEMuz39erKGl7RVmJronZSoxowMAWBZNGLzcz7533+ 2mB1UQvHWT0EEzfZsBEzUhAC7R199c97yoy892CSYYx8K45lrXgUliUQwZBS1bDvnUO9 zOpA== 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 h18si7927926pfi.167.2018.01.30.02.00.59; Tue, 30 Jan 2018 02:01:14 -0800 (PST) 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 S1752111AbeA3KAO (ORCPT + 99 others); Tue, 30 Jan 2018 05:00:14 -0500 Received: from mga05.intel.com ([192.55.52.43]:7213 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751391AbeA3KAL (ORCPT ); Tue, 30 Jan 2018 05:00:11 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jan 2018 02:00:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,434,1511856000"; d="scan'208";a="199748904" Received: from vkoul-udesk7.iind.intel.com (HELO localhost) ([10.223.84.143]) by fmsmga005.fm.intel.com with ESMTP; 30 Jan 2018 02:00:09 -0800 Date: Tue, 30 Jan 2018 15:34:45 +0530 From: Vinod Koul To: "Yang, Shunyong" Cc: "dan.j.williams@intel.com" , "dmaengine@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: Re: [PATCH 1/2] dmaengine: dmatest: change symbolic permissions to octal values Message-ID: <20180130100444.GU18649@localhost> References: <1516617881-30044-1-git-send-email-shunyong.yang@hxt-semitech.com> <20180129044801.GL18649@localhost> <1517207190.2845.6.camel@hxt-semitech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1517207190.2845.6.camel@hxt-semitech.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 29, 2018 at 06:26:40AM +0000, Yang, Shunyong wrote: > Hi, Vinod > > On Mon, 2018-01-29 at 10:18 +0530, Vinod Koul wrote: > > On Mon, Jan 22, 2018 at 06:44:40PM +0800, Yang Shunyong wrote: > > > > > > Current coding style prefers octal permissions values. This patch > > > changes symbolic permissions to octal values. > > Is this preference documented anywhere? > > > > When using symbolic permissions like "S_IRUGO | S_IWUSR". The > checkpatch.pl will output some warnings to suggest to use octal values. > I quote following lines from checkpatch.pl, > > # check for uses of S_ that could be octal for readability > ... > if (WARN("SYMBOLIC_PERMS", > ?????????????????????????????????"Symbolic permissions '$oval' are not > preferred. Consider using octal permissions '$octal'.\n" . $herecurr) > && It is a warning and a preference. And I don't prefer changing code for no benefit. Sorry but I am not considering this change -- ~Vinod