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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 2C97DC2BA19 for ; Tue, 14 Apr 2020 12:37:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 09009206D5 for ; Tue, 14 Apr 2020 12:37:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2502128AbgDNMhZ (ORCPT ); Tue, 14 Apr 2020 08:37:25 -0400 Received: from m17617.mail.qiye.163.com ([59.111.176.17]:13865 "EHLO m17617.mail.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2502081AbgDNMgv (ORCPT ); Tue, 14 Apr 2020 08:36:51 -0400 Received: from wangqing-virtual-machine.localdomain (unknown [157.0.31.122]) by m17617.mail.qiye.163.com (Hmail) with ESMTPA id 50D4F2612E9; Tue, 14 Apr 2020 20:36:48 +0800 (CST) From: Wang Qing To: Catalin Marinas , Will Deacon , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , James Morse , Mark Rutland , "Eric W. Biederman" , Thomas Gleixner , jinho lim , Wang Qing , Dave Martin , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: opensource.kernel@vivo.com Subject: [V3 2/3] sched:add task_running() Date: Tue, 14 Apr 2020 20:36:31 +0800 Message-Id: <1586867796-5768-3-git-send-email-wangqing@vivo.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1586867796-5768-1-git-send-email-wangqing@vivo.com> References: <1586867796-5768-1-git-send-email-wangqing@vivo.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZSVVPQkxCQkJCS01OSEJCSVlXWShZQU hPN1dZLVlBSVdZCQ4XHghZQVk1NCk2OjckKS43PlkG X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PjI6NSo*Njg6SwosQhoaMB4W LiFPFElVSlVKTkNNQ01MQ0tDTE9DVTMWGhIXVQwaFRwKEhUcOw0SDRRVGBQWRVlXWRILWUFZSk5M VUtVSEpVSklJWVdZCAFZQUhKTEs3Bg++ X-HM-Tid: 0a7178b129879375kuws50d4f2612e9 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The task_running() should be renamed to task_running_on_rq() like the naming of task_running_on_cpu(), this is what it originally mean. Add task_running() no rq required. Signed-off-by: Wang Qing --- include/linux/sched.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/sched.h b/include/linux/sched.h index 4418f5c..0a7b150 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1843,6 +1843,11 @@ static inline unsigned int task_cpu(const struct task_struct *p) extern void set_task_cpu(struct task_struct *p, unsigned int cpu); +static inline int task_running(const struct task_struct *p) +{ + return READ_ONCE(p->on_cpu); +} + #else static inline unsigned int task_cpu(const struct task_struct *p) @@ -1854,6 +1859,11 @@ static inline void set_task_cpu(struct task_struct *p, unsigned int cpu) { } +static inline int task_running(const struct task_struct *p) +{ + return p == current; +} + #endif /* CONFIG_SMP */ /* -- 2.7.4