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=-12.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,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 5B780C4360F for ; Wed, 3 Apr 2019 08:42:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2D85421473 for ; Wed, 3 Apr 2019 08:42:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729299AbfDCImG (ORCPT ); Wed, 3 Apr 2019 04:42:06 -0400 Received: from terminus.zytor.com ([198.137.202.136]:32901 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728949AbfDCImA (ORCPT ); Wed, 3 Apr 2019 04:42:00 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x338fNAY1775363 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Wed, 3 Apr 2019 01:41:23 -0700 Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x338fMik1775358; Wed, 3 Apr 2019 01:41:22 -0700 Date: Wed, 3 Apr 2019 01:41:22 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: "tip-bot for Joel Fernandes (Google)" Message-ID: Cc: peterz@infradead.org, paulmck@linux.ibm.com, torvalds@linux-foundation.org, hpa@zytor.com, efault@gmx.de, mingo@kernel.org, morten.rasmussen@arm.com, josh@joshtriplett.org, linux-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, joel@joelfernandes.org, jiangshanlai@gmail.com, luc.vanoostenryck@gmail.com, tglx@linutronix.de, rostedt@goodmis.org Reply-To: peterz@infradead.org, torvalds@linux-foundation.org, hpa@zytor.com, efault@gmx.de, paulmck@linux.ibm.com, morten.rasmussen@arm.com, josh@joshtriplett.org, linux-kernel@vger.kernel.org, mingo@kernel.org, luc.vanoostenryck@gmail.com, tglx@linutronix.de, jiangshanlai@gmail.com, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, joel@joelfernandes.org In-Reply-To: <20190321003426.160260-5-joel@joelfernandes.org> References: <20190321003426.160260-5-joel@joelfernandes.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] sched/core: Annotate perf_domain pointer with __rcu Git-Commit-ID: 2e7d58babd2a6073d1afb38519e246dd4a423da5 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 2e7d58babd2a6073d1afb38519e246dd4a423da5 Gitweb: https://git.kernel.org/tip/2e7d58babd2a6073d1afb38519e246dd4a423da5 Author: Joel Fernandes (Google) AuthorDate: Wed, 20 Mar 2019 20:34:26 -0400 Committer: Ingo Molnar CommitDate: Wed, 3 Apr 2019 09:51:04 +0200 sched/core: Annotate perf_domain pointer with __rcu 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. Signed-off-by: Joel Fernandes (Google) Signed-off-by: Peter Zijlstra (Intel) [ From an RCU perspective. ] Reviewed-by: Paul E. McKenney Cc: Josh Triplett Cc: Lai Jiangshan Cc: Linus Torvalds Cc: Luc Van Oostenryck Cc: Mathieu Desnoyers Cc: Mike Galbraith Cc: Morten Rasmussen Cc: Peter Zijlstra Cc: Steven Rostedt Cc: Thomas Gleixner Cc: keescook@chromium.org Cc: kernel-hardening@lists.openwall.com Cc: kernel-team@android.com Link: https://lkml.kernel.org/r/20190321003426.160260-5-joel@joelfernandes.org Signed-off-by: Ingo Molnar --- 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;