summaryrefslogtreecommitdiffstats
path: root/include/linux/rcutiny.h
diff options
context:
space:
mode:
authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2013-11-05 16:03:17 -0500
committerSteven Rostedt <rostedt@goodmis.org>2013-11-05 16:03:17 -0500
commit44847da1b921f35b348ecd46df93abfbcd547355 (patch)
tree0dcc929a02b98dcf0927b9ad70083087c6d0e4ae /include/linux/rcutiny.h
parentab4ead02ec235d706d0611d8741964628291237e (diff)
parent5c173eb8bcb9c1aa888bd6d14a4cb746f3dd2420 (diff)
Merge branch 'idle.2013.09.25a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into HEAD
Need to use Paul McKenney's "rcu_is_watching()" changes to fix a perf/ftrace bug.
Diffstat (limited to 'include/linux/rcutiny.h')
-rw-r--r--include/linux/rcutiny.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index e31005ee339..09ebcbe9fd7 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -132,4 +132,21 @@ static inline void rcu_scheduler_starting(void)
}
#endif /* #else #ifdef CONFIG_DEBUG_LOCK_ALLOC */
+#if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_RCU_TRACE)
+
+static inline bool rcu_is_watching(void)
+{
+ return __rcu_is_watching();
+}
+
+#else /* defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_RCU_TRACE) */
+
+static inline bool rcu_is_watching(void)
+{
+ return true;
+}
+
+
+#endif /* #else defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_RCU_TRACE) */
+
#endif /* __LINUX_RCUTINY_H */