From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932645AbeEaCSy (ORCPT ); Wed, 30 May 2018 22:18:54 -0400 Received: from lgeamrelo12.lge.com ([156.147.23.52]:55892 "EHLO lgeamrelo11.lge.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932588AbeEaCSx (ORCPT ); Wed, 30 May 2018 22:18:53 -0400 X-Original-SENDERIP: 156.147.1.151 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 10.177.220.135 X-Original-MAILFROM: byungchul.park@lge.com Subject: Re: [RFC] rcu: Check the range of jiffies_till_xxx_fqs on setting them To: paulmck@linux.vnet.ibm.com Cc: jiangshanlai@gmail.com, josh@joshtriplett.org, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, linux-kernel@vger.kernel.org, kernel-team@lge.com, joel@joelfernandes.org References: <1527578616-5595-1-git-send-email-byungchul.park@lge.com> <20180529120155.GC3803@linux.vnet.ibm.com> From: Byungchul Park Message-ID: <07271222-2e1d-2dc8-1648-4c53d710a092@lge.com> Date: Thu, 31 May 2018 11:18:50 +0900 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <20180529120155.GC3803@linux.vnet.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018-05-29 21:01, Paul E. McKenney wrote: > One approach would be to embed the kernel_params_ops structure inside > another structure containing the limits, then just have two structures. > Perhaps something like this already exists? I don't see it right off, > but then again, I am not exactly an expert on module_param. > > Thoughts? Unfortunately, I couldn't find it. There might be no way to verify range of a variable except the way I did. Could you give your opinion about whether I should go on it? -- Thanks, Byungchul