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rcu: Do not include rtmutex_common.h unconditionally 

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>
hifive-unleashed-5.1
Sebastian Andrzej Siewior 2017-10-18 08:33:44 -07:00 committed by Paul E. McKenney
parent 7c2102e56a
commit b88697810d
1 changed files with 1 additions and 2 deletions
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3
kernel/rcu/tree_plugin.h
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@ -54,6 +54,7 @@ DEFINE_PER_CPU(char, rcu_cpu_has_work);
* 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 */
@ -911,8 +912,6 @@ void exit_rcu(void)
#ifdef CONFIG_RCU_BOOST
#include "../locking/rtmutex_common.h"
static void rcu_wake_cond(struct task_struct *t, int status)
{
/*