[PATCH 7/7] workqueue: remove keventd_up()

From: Tejun Heo
Date: Thu Sep 15 2016 - 15:30:53 EST


keventd_up() no longer has in-kernel users. Remove it and make
wq_online static.

Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
---
include/linux/workqueue.h | 10 ----------
kernel/workqueue.c | 2 +-
2 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 91d416f..5641713 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -358,8 +358,6 @@ extern struct workqueue_struct *system_freezable_wq;
extern struct workqueue_struct *system_power_efficient_wq;
extern struct workqueue_struct *system_freezable_power_efficient_wq;

-extern bool wq_online;
-
extern struct workqueue_struct *
__alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active,
struct lock_class_key *key, const char *lock_name, ...) __printf(1, 6);
@@ -591,14 +589,6 @@ static inline bool schedule_delayed_work(struct delayed_work *dwork,
return queue_delayed_work(system_wq, dwork, delay);
}

-/**
- * keventd_up - is workqueue initialized yet?
- */
-static inline bool keventd_up(void)
-{
- return wq_online;
-}
-
#ifndef CONFIG_SMP
static inline long work_on_cpu(int cpu, long (*fn)(void *), void *arg)
{
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index a05ab14..3bef80a 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -290,7 +290,7 @@ module_param_named(disable_numa, wq_disable_numa, bool, 0444);
static bool wq_power_efficient = IS_ENABLED(CONFIG_WQ_POWER_EFFICIENT_DEFAULT);
module_param_named(power_efficient, wq_power_efficient, bool, 0444);

-bool wq_online; /* can kworkers be created yet? */
+static bool wq_online; /* can kworkers be created yet? */

static bool wq_numa_enabled; /* unbound NUMA affinity enabled */

--
2.7.4