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Commit daaae6b0 authored by Tejun Heo's avatar Tejun Heo
Browse files

workqueue: remove in_workqueue_context() 



Commit a25909a4 (lockdep: Add an in_workqueue_context() lockdep-based
test function) added in_workqueue_context() but there hasn't been any
in-kernel user and the lockdep annotation in workqueue is scheduled to
change.  Remove the unused function.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 31ddd871

include/linux/workqueue.h

+0 −4
Original line number Diff line number Diff line
@@ -430,8 +430,4 @@ extern bool freeze_workqueues_busy(void); 
extern void thaw_workqueues(void);

#endif /* CONFIG_FREEZER */



#ifdef CONFIG_LOCKDEP

int in_workqueue_context(struct workqueue_struct *wq);

#endif



#endif

kernel/workqueue.c

+0 −15
Original line number Diff line number Diff line
@@ -310,21 +310,6 @@ static inline int __next_wq_cpu(int cpu, const struct cpumask *mask, 
	     (cpu) < WORK_CPU_NONE;					\

	     (cpu) = __next_wq_cpu((cpu), cpu_possible_mask, (wq)))



#ifdef CONFIG_LOCKDEP

/**

 * in_workqueue_context() - in context of specified workqueue?

 * @wq: the workqueue of interest

 *

 * Checks lockdep state to see if the current task is executing from

 * within a workqueue item.  This function exists only if lockdep is

 * enabled.

 */

int in_workqueue_context(struct workqueue_struct *wq)

{

	return lock_is_held(&wq->lockdep_map);

}

#endif



#ifdef CONFIG_DEBUG_OBJECTS_WORK



static struct debug_obj_descr work_debug_descr;