From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932181AbdJUPf5 (ORCPT ); Sat, 21 Oct 2017 11:35:57 -0400 Received: from mail-qt0-f195.google.com ([209.85.216.195]:47979 "EHLO mail-qt0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932154AbdJUPf4 (ORCPT ); Sat, 21 Oct 2017 11:35:56 -0400 X-Google-Smtp-Source: ABhQp+Sq1pp8edxgXCF1nJ6C9PPClSDFgHaE+axrrTCAEkqlSjD+sZcq/l3lk8DLUPwAUkjSOW6orQ== Date: Sat, 21 Oct 2017 08:35:53 -0700 From: Tejun Heo To: tanxiaofei Cc: jiangshanlai@gmail.com, linux-kernel@vger.kernel.org, Linuxarm , John Garry , huawei.libin@huawei.com Subject: Re: [Question] null pointer risk of kernel workqueue Message-ID: <20171021153553.GI1302522@devbig577.frc2.facebook.com> References: <59C62398.6040101@huawei.com> <20170925152536.GL828415@devbig577.frc2.facebook.com> <59CB6C9C.7000205@huawei.com> <59E99E4E.5090305@huawei.com> <20171021153522.GH1302522@devbig577.frc2.facebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171021153522.GH1302522@devbig577.frc2.facebook.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Oct 21, 2017 at 08:35:22AM -0700, Tejun Heo wrote: > On Fri, Oct 20, 2017 at 02:57:18PM +0800, tanxiaofei wrote: > > Hi Tejun, > > > > Any comments about this? > > I think you're confused, or at least can't understand what you're > trying to say. Can you create a rero? Sorry, I meant to write repro - a reproduction case. -- tejun