[PATCH tip/core/rcu 01/27] rcu: Make rcu_read_unlock_special() static

Paul E. McKenney
2018-06-26T00:38:35Z

Because rcu_read_unlock_special() is no longer used outside of
kernel/rcu/tree_plugin.h, this commit makes it static.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
include/linux/rcupdate.h | 1 -
kernel/rcu/tree_plugin.h | 3 ++-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 65163aa0bb04..67ec077c7ee5 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -64,7 +64,6 @@ void rcu_barrier_tasks(void);

void __rcu_read_lock(void);
void __rcu_read_unlock(void);
-void rcu_read_unlock_special(struct task_struct *t);
void synchronize_rcu(void);

/*
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 613372246a07..54a251640f53 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -127,6 +127,7 @@ static struct rcu_data __percpu *const rcu_data_p = &rcu_preempt_data;

static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp,
bool wake);
+static void rcu_read_unlock_special(struct task_struct *t);

/*
* Tell them what RCU they are running.
@@ -461,7 +462,7 @@ static bool rcu_preempt_has_tasks(struct rcu_node *rnp)
* notify RCU core processing or task having blocked during the RCU
* read-side critical section.
*/
-void rcu_read_unlock_special(struct task_struct *t)
+static void rcu_read_unlock_special(struct task_struct *t)
{
bool empty_exp;
bool empty_norm;
--
2.17.1