Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753427Ab3H2XmQ (ORCPT ); Thu, 29 Aug 2013 19:42:16 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:53525 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751625Ab3H2XmP (ORCPT ); Thu, 29 Aug 2013 19:42:15 -0400 Message-ID: <521FDBB6.1030601@huawei.com> Date: Fri, 30 Aug 2013 07:39:34 +0800 From: Libin User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 MIME-Version: 1.0 To: Libin CC: , , , , , , , , , , , , , , , , , Subject: Re: [PATCH 00/14] Fix bug about invalid wake up problem References: <1377784669-28140-1-git-send-email-huawei.libin@huawei.com> In-Reply-To: <1377784669-28140-1-git-send-email-huawei.libin@huawei.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.135.74.57] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 809 Lines: 26 Hi all, I'm so sorry, please ignore this patch set! I have realized that there is no this problem in our kernel. Preempt_schedule() has set PREEMPT_ACTIVE before calling __schedule() and __schedule will check it if current state is not TASK_RUNNING, avoiding this preemption. Libin On 2013/8/29 21:57, Libin wrote: > 1)Problem Description: > The prototype of invalid wakeup problem is as follows: > ======================================================================== > ---------------------------- > Consumer Thread > ---------------------------- > ... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/