From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C39B2C04AB6 for ; Mon, 3 Jun 2019 09:01:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A22F827DE6 for ; Mon, 3 Jun 2019 09:01:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726998AbfFCJBY (ORCPT ); Mon, 3 Jun 2019 05:01:24 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:18070 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726555AbfFCJBY (ORCPT ); Mon, 3 Jun 2019 05:01:24 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id AFD1141523E3C9E53C7F; Mon, 3 Jun 2019 17:01:22 +0800 (CST) Received: from [10.151.23.176] (10.151.23.176) by smtp.huawei.com (10.3.19.213) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 3 Jun 2019 17:01:20 +0800 Subject: Re: [PATCH] sched/core: add __sched tag for io_schedule() To: Peter Zijlstra CC: Andrew Morton , Ingo Molnar , LKML , Tejun Heo References: <20190531082912.80724-1-gaoxiang25@huawei.com> <20190603085836.GD3436@hirez.programming.kicks-ass.net> From: Gao Xiang Message-ID: <940b2690-78ce-03b9-8e0d-ce08cdda722f@huawei.com> Date: Mon, 3 Jun 2019 17:00:59 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <20190603085836.GD3436@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.151.23.176] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Peter, On 2019/6/3 16:58, Peter Zijlstra wrote: > On Fri, May 31, 2019 at 04:29:12PM +0800, Gao Xiang wrote: >> non-inline io_schedule() was introduced in >> commit 10ab56434f2f ("sched/core: Separate out io_schedule_prepare() and io_schedule_finish()") >> Keep in line with io_schedule_timeout, Otherwise >> "/proc//wchan" will report io_schedule() >> rather than its callers when waiting io. >> >> Reported-by: Jilong Kou >> Cc: Tejun Heo >> Cc: Ingo Molnar >> Cc: Peter Zijlstra >> Signed-off-by: Gao Xiang > > This is lacking a Fixes: tag. > OK, thanks for pointing out. It seems enough to resend this patch. I will resend this patch with all necessary tags. Thanks, Gao Xiang