rcu: Streamline code produced by __rcu_read_unlock()
This is a port of commit #be0e1e21 to TINY_PREEMPT_RCU. This uses
noinline to prevent rcu_read_unlock_special() from being inlined into
__rcu_read_unlock().
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h
index 432ed2b..b58a320 100644
--- a/kernel/rcutiny_plugin.h
+++ b/kernel/rcutiny_plugin.h
@@ -544,7 +544,7 @@
* notify RCU core processing or task having blocked during the RCU
* read-side critical section.
*/
-static void rcu_read_unlock_special(struct task_struct *t)
+static noinline void rcu_read_unlock_special(struct task_struct *t)
{
int empty;
int empty_exp;