Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Wed, 3 Apr 2019 03:47:33 -0700
From:   "tip-bot for Joel Fernandes (Google)" <tipbot@zytor.com>
Message-ID: <tip-03f4b48edae7d936c5bf23488c1ce3fbe7fc2733@git.kernel.org>
Cc:     rostedt@goodmis.org, morten.rasmussen@arm.com, hpa@zytor.com,
        mingo@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org,
        paulmck@linux.ibm.com, josh@joshtriplett.org, efault@gmx.de,
        joel@joelfernandes.org, jiangshanlai@gmail.com,
        luc.vanoostenryck@gmail.com, peterz@infradead.org,
        torvalds@linux-foundation.org, mathieu.desnoyers@efficios.com
Reply-To: linux-kernel@vger.kernel.org, josh@joshtriplett.org,
          efault@gmx.de, paulmck@linux.ibm.com, joel@joelfernandes.org,
          luc.vanoostenryck@gmail.com, jiangshanlai@gmail.com,
          peterz@infradead.org, torvalds@linux-foundation.org,
          mathieu.desnoyers@efficios.com, rostedt@goodmis.org,
          morten.rasmussen@arm.com, hpa@zytor.com, mingo@kernel.org,
          tglx@linutronix.de
In-Reply-To: <20190321003426.160260-4-joel@joelfernandes.org>
References: <20190321003426.160260-4-joel@joelfernandes.org>
To:     linux-tip-commits@vger.kernel.org
Subject: [tip:sched/core] rcuwait: Annotate task_struct with __rcu
Git-Commit-ID: 03f4b48edae7d936c5bf23488c1ce3fbe7fc2733
Robot-ID: <tip-bot.git.kernel.org>
Robot-Unsubscribe: Contact <mailto:hpa@kernel.org> 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

Commit-ID:  03f4b48edae7d936c5bf23488c1ce3fbe7fc2733
Gitweb:     https://git.kernel.org/tip/03f4b48edae7d936c5bf23488c1ce3fbe7fc2733
Author:     Joel Fernandes (Google) <joel@joelfernandes.org>
AuthorDate: Wed, 20 Mar 2019 20:34:25 -0400
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 3 Apr 2019 12:34:31 +0200

rcuwait: Annotate task_struct with __rcu

This suppresses sparse error generated due to the recently added
rcu_assign_pointer sparse check.

  percpu-rwsem.c:162:9: sparse: error: incompatible types in comparison expression
  exit.c:316:16: sparse: error: incompatible types in comparison expression

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
[ From an RCU perspective. ]
Reviewed-by: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Morten Rasmussen <morten.rasmussen@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: keescook@chromium.org
Cc: kernel-hardening@lists.openwall.com
Cc: kernel-team@android.com
Link: https://lkml.kernel.org/r/20190321003426.160260-4-joel@joelfernandes.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 include/linux/rcuwait.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/rcuwait.h b/include/linux/rcuwait.h
index 90bfa3279a01..563290fc194f 100644
--- a/include/linux/rcuwait.h
+++ b/include/linux/rcuwait.h
@@ -18,7 +18,7 @@
  * awoken.
  */
 struct rcuwait {
-	struct task_struct *task;
+	struct task_struct __rcu *task;
 };
 
 #define __RCUWAIT_INITIALIZER(name)		\