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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 C48A8C43381 for ; Thu, 21 Mar 2019 00:35:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8E684218CD for ; Thu, 21 Mar 2019 00:35:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=joelfernandes.org header.i=@joelfernandes.org header.b="c8SEnqX2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727844AbfCUAfH (ORCPT ); Wed, 20 Mar 2019 20:35:07 -0400 Received: from mail-qt1-f196.google.com ([209.85.160.196]:41800 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727806AbfCUAe5 (ORCPT ); Wed, 20 Mar 2019 20:34:57 -0400 Received: by mail-qt1-f196.google.com with SMTP id w30so4836359qta.8 for ; Wed, 20 Mar 2019 17:34:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=joelfernandes.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3BCZ1lsacTsgFMuBPjIGWwMmDsstTbo8DviFJ0mb0ag=; b=c8SEnqX2KnNGVEDjz3mPiFXvsItfq9cY17AoP/PqrLOJoo+mXC/uhYUvFoBy7yilKw TK71+HYMsAiIkyIV73LQ73LS4IKvd1kRgfgdV0tzLw0EBuO3ZwXzDV0IwLHyc+5SrODd 3zGUlL1yuhuOrnAn77h6Wc7VCU6UZr4SlQ+3A= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3BCZ1lsacTsgFMuBPjIGWwMmDsstTbo8DviFJ0mb0ag=; b=DROA/RJ4NeExvTqRkd5ADvktNKKVwakXwUVaSLqlrusiDsemWx9+6qNCwd4SMt8IQC XqH3thfstk1+LPElz3ua25aWq8ueVmoNujYOi63Zt7gp92Pc8oq8vjPKVrQzpMVR7TdW A3Kt04dWRQvqgpjzmAetyy6Pwv98pjsg5w4GZstaVKyZrMNWeOwFA0uwC+58bWJRJWNj eZoHCOenk3G2XUzMlNWAR6nUeZVrD6SKeSH0jEYdyba+GYNKAY7oMddUq1mU71RvJ96V HDJp3+XrWVm7jadGEZUcvQW02jHD5u4/BM6zgig7MX/Yyo2NPKJIsNx6Fmu9hnq2fofy 1kUg== X-Gm-Message-State: APjAAAVO28Q7W+ow1T/eNzNsE21Pr1u0vvfn7btFu5Hfs/JvNNtEIbul mWxJ0qjbAEcev6uTLnqbbMcBftoyD7Q= X-Google-Smtp-Source: APXvYqyKz8eiuiukjGWMlz2K1RtXcTv8xyeBJgywnaCkw86IBcuZ7HUWbRdeFpvB2XfJCP47FOijMw== X-Received: by 2002:a0c:b05c:: with SMTP id l28mr757047qvc.95.1553128495754; Wed, 20 Mar 2019 17:34:55 -0700 (PDT) Received: from joelaf.cam.corp.google.com ([2620:0:1004:1100:cca9:fccc:8667:9bdc]) by smtp.gmail.com with ESMTPSA id u15sm2908475qth.54.2019.03.20.17.34.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 Mar 2019 17:34:54 -0700 (PDT) From: "Joel Fernandes (Google)" To: linux-kernel@vger.kernel.org Cc: "Joel Fernandes (Google)" , "Paul E . McKenney" , Ingo Molnar , Josh Triplett , keescook@chromium.org, kernel-hardening@lists.openwall.com, kernel-team@android.com, Lai Jiangshan , Luc Van Oostenryck , Mathieu Desnoyers , Morten Rasmussen , Peter Zijlstra , rcu@vger.kernel.org, Steven Rostedt Subject: [PATCH v2 4/4] sched: Annotate perf_domain pointer with __rcu Date: Wed, 20 Mar 2019 20:34:26 -0400 Message-Id: <20190321003426.160260-5-joel@joelfernandes.org> X-Mailer: git-send-email 2.21.0.225.g810b269d1ac-goog In-Reply-To: <20190321003426.160260-1-joel@joelfernandes.org> References: <20190321003426.160260-1-joel@joelfernandes.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This fixes the following sparse errors in sched/fair.c: fair.c:6506:14: error: incompatible types in comparison expression fair.c:8642:21: error: incompatible types in comparison expression Using __rcu will also help sparse catch any future bugs. [From an RCU perspective] Reviewed-by: Paul E. McKenney Signed-off-by: Joel Fernandes (Google) --- kernel/sched/sched.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 2b452d68ab2e..b52ed1ada0be 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -780,7 +780,7 @@ struct root_domain { * NULL-terminated list of performance domains intersecting with the * CPUs of the rd. Protected by RCU. */ - struct perf_domain *pd; + struct perf_domain __rcu *pd; }; extern struct root_domain def_root_domain; -- 2.21.0.225.g810b269d1ac-goog