Commit b8869781 authored Oct 18, 2017 by Sebastian Andrzej Siewior Committed by Paul E. McKenney Oct 19, 2017

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>

parent 7c2102e5

kernel/rcu/tree_plugin.h

+1 −2

Original line number	Diff line number	Diff line
		@@ -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)
		{
		/*