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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 767C6C56201 for ; Tue, 24 Nov 2020 03:41:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1B41B20857 for ; Tue, 24 Nov 2020 03:41:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727922AbgKXDlx (ORCPT ); Mon, 23 Nov 2020 22:41:53 -0500 Received: from out30-45.freemail.mail.aliyun.com ([115.124.30.45]:45526 "EHLO out30-45.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727822AbgKXDlw (ORCPT ); Mon, 23 Nov 2020 22:41:52 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04420;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=10;SR=0;TI=SMTPD_---0UGNJiAF_1606189309; Received: from aliy80.localdomain(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0UGNJiAF_1606189309) by smtp.aliyun-inc.com(127.0.0.1); Tue, 24 Nov 2020 11:41:49 +0800 From: Alex Shi Cc: Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , linux-kernel@vger.kernel.org Subject: [PATCH] sched/core: remove rq getting in schedule_tail Date: Tue, 24 Nov 2020 11:41:45 +0800 Message-Id: <1606189305-51222-1-git-send-email-alex.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org commit dfa50b605c2a ("sched: Make finish_task_switch() return 'struct rq *'") moved the 'rq' parameter into finish_task_switch, so we don't need it now in schedule_tail. Signed-off-by: Alex Shi Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Juri Lelli Cc: Vincent Guittot Cc: Dietmar Eggemann Cc: Steven Rostedt Cc: Ben Segall Cc: Mel Gorman Cc: Daniel Bristot de Oliveira Cc: linux-kernel@vger.kernel.org --- kernel/sched/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 44d526b8d942..ab473fce092b 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4239,7 +4239,6 @@ static struct rq *finish_task_switch(struct task_struct *prev) asmlinkage __visible void schedule_tail(struct task_struct *prev) __releases(rq->lock) { - struct rq *rq; /* * New tasks start with FORK_PREEMPT_COUNT, see there and @@ -4249,7 +4248,7 @@ asmlinkage __visible void schedule_tail(struct task_struct *prev) * and the preempt_enable() will end up enabling preemption. */ - rq = finish_task_switch(prev); + finish_task_switch(prev); preempt_enable(); if (current->set_child_tid) -- 2.29.GIT