From patchwork Mon May 22 19:50:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 97585 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp1694591vqo; Mon, 22 May 2023 13:16:43 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ7fW6uAHT4EojXYiZzIJyVVb1Gb892Vp8OlN6GXWIOJ6dO/XVajI6QVSnuBH62GuU35Y0ne X-Received: by 2002:a05:6a20:3ca7:b0:101:47d8:ff80 with SMTP id b39-20020a056a203ca700b0010147d8ff80mr13667252pzj.41.1684786603245; Mon, 22 May 2023 13:16:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1684786603; cv=none; d=google.com; s=arc-20160816; b=UN2OE+1uRyXWXtGoQXIX3Szxur6iwIPGM6+PxcS6Io0zdsljMCuNZKtDhyRT+/4onA nRVXBJo19ZZP6m8hSWiRSCljDytUx1w0Yhqg/0DeKswwi7pjUC1DXsAmDXoEVaIM3Xgj ZQOLZFIknNUwaExkp8EJOJxa5NnGFzN7uS5JXDPD7EhfAjcUOvot913CbDjZXw+Oidnf RJ9zZAIlfyK0jO01RmRnkW2bf12QVnkf3P953FC/q0+5IPEvfWxZXpWOjP1nClsjGnB+ 2BjS9j/OijPCzaLKKGLHUHjNb4DuuWnXLEmtHf3OEwMbsemCX+mcrROSTePCIo6nHYfR N3nw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=XgFtbm7TMd6ilpOpBS3tazIEh11eUZvWj9tfGhpYSbE=; b=kgSBd59hzYcWxyy30Tp2WlT/+WEw62udG6hZxbmnXgoAEw5N6u1+0k/bUYvB17UxBS uIoGpDCG+rflxl5tcogWTDunl4bc5CLtfrpYDns1QRwaGNzFrNoBTzHxttxK88I4bmH7 3CU3b29PO7MK0DC0Z8FjOG5Oz0PDrOw0jRrvHywXvzOfXZYB0eIRixHiEkkCgjV57/Z8 IHeM6/l0EfSo+kRekaa/4A5jZ25ZUjvq60HisCMMczHp7cYekVpOej/sWlDldyf57eiQ yP2GcBxLgEb0ymzSRtkfPG2f3em7k/evJEsgh5Lt0tJEdcB1/DIiSLUB+hevkcAV9kkZ XwKw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=H0g6emV7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id m14-20020a638c0e000000b005349008e6basi5108206pgd.439.2023.05.22.13.16.23; Mon, 22 May 2023 13:16:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=H0g6emV7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235401AbjEVTur (ORCPT + 99 others); Mon, 22 May 2023 15:50:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235430AbjEVTun (ORCPT ); Mon, 22 May 2023 15:50:43 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87F18C1 for ; Mon, 22 May 2023 12:50:39 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0705762AF9 for ; Mon, 22 May 2023 19:50:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7C3AC4339E; Mon, 22 May 2023 19:50:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684785038; bh=xhwlEoX8rvC3pCtoLzeLS25zj8ad4FOpCspq2DY7aWI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H0g6emV7k8lIQO10fs31Pa3A6GG17bxFC7XyWvUpir4bw6I6i/d70RJ1Pkgwtk/T1 FbVMh9yvJ+ZnGTW0TwlGJr9rQes/RycjA8oq0E0NWL4GA1/rZ07QrLEgRCxpjlu5Ks +WLT2bZyHOmq2V466tVtudS5Czsf52q69hisuTaKSM6JWjhkqJMwXhiphxC1cxGmXx Wk2CEcBTsekqSWbUArAq7H6oZT3HazUU+6R7ayMt3zhQHy3zVJvMyd0XAbeBqdDqA1 32UZAzdt4Xpq4PoGvivUzuU6rjwb1Gp9YblXAGUM/1gzKCNosw9js5KqhyX6WaZCYk 4f7qhEqUJPocw== From: Arnd Bergmann To: Ingo Molnar , Peter Zijlstra Cc: Arnd Bergmann , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , linux-kernel@vger.kernel.org Subject: [PATCH 2/5] sched: add schedule_user() declaration Date: Mon, 22 May 2023 21:50:18 +0200 Message-Id: <20230522195021.3456768-3-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230522195021.3456768-1-arnd@kernel.org> References: <20230522195021.3456768-1-arnd@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1766626797499143587?= X-GMAIL-MSGID: =?utf-8?q?1766626797499143587?= From: Arnd Bergmann The schedule_user() function is used on powerpc and sparc architectures, but only ever called from assembler, so it has no prototype, causing a harmless W=1 warning: kernel/sched/core.c:6730:35: error: no previous prototype for 'schedule_user' [-Werror=missing-prototypes] Add a prototype in sched/sched.h to shut up the warning. Signed-off-by: Arnd Bergmann --- kernel/sched/sched.h | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 1704763897d0..44b34836bb60 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -2376,6 +2376,7 @@ static inline struct cpuidle_state *idle_get_state(struct rq *rq) #endif extern void schedule_idle(void); +asmlinkage void schedule_user(void); extern void sysrq_sched_debug_show(void); extern void sched_init_granularity(void);