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workqueue: remove keventd_up()

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

Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo 2016-09-16 15:49:34 -04:00
parent 7092dff2af
commit 863b710b66
2 changed files with 1 additions and 11 deletions
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10
include/linux/workqueue.h
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@ -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)
{

2
kernel/workqueue.c
View File

@ -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 */