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From:   Julia Cartwright <julia@ni.com>
To:     linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Steven Rostedt <rostedt@goodmis.org>,
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        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        John Kacur <jkacur@redhat.com>,
        Paul Gortmaker <paul.gortmaker@windriver.com>,
        Daniel Wagner <daniel.wagner@siemens.com>,
        tom.zanussi@linux.intel.com,
        "Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Subject: [PATCH RT 06/22] rcu: Do not include rtmutex_common.h unconditionally
Date:   Mon,  6 Aug 2018 04:17:22 -0500
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

4.9.115-rt94-rc1 stable review patch.
If you have any objection to the inclusion of this patch, let me know.

--- 8< --- 8< --- 8< ---
[ upstream commit b88697810d7c1d102a529990f9071b0f14cfe6df ]

This commit adjusts include files and provides definitions in preparation
for suppressing lockdep false-positive ->boost_mtx complaints.  Without
this preparation, architectures not supporting rt_mutex will get build
failures.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Julia Cartwright <julia@ni.com>
---
 kernel/rcu/tree_plugin.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index a1a7bafcce15..3d18d08e8382 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -37,6 +37,7 @@
  * This probably needs to be excluded from -rt builds.
  */
 #define rt_mutex_owner(a) ({ WARN_ON_ONCE(1); NULL; })
+#define rt_mutex_futex_unlock(x) WARN_ON_ONCE(1)
 
 #endif /* #else #ifdef CONFIG_RCU_BOOST */
 
@@ -834,8 +835,6 @@ static void rcu_cpu_kthread_setup(unsigned int cpu)
 
 #ifdef CONFIG_RCU_BOOST
 
-#include "../locking/rtmutex_common.h"
-
 #ifdef CONFIG_RCU_TRACE
 
 static void rcu_initiate_boost_trace(struct rcu_node *rnp)
-- 
2.18.0