Commit e0cf0cd4 authored by Jason Baron's avatar Jason Baron Committed by Steven Rostedt
Browse files

jump label: Initialize workqueue tracepoints *before* they are registered 



Initialize the workqueue data structures *before* they are registered
so that they are ready for callbacks.

Signed-off-by: default avatarJason Baron <jbaron@redhat.com>
LKML-Reference: <e3a3383fc370ac7086625bebe89d9480d7caf372.1284733808.git.jbaron@redhat.com>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent bf5438fc

kernel/trace/trace_workqueue.c

+5 −5
Original line number Diff line number Diff line
@@ -263,6 +263,11 @@ int __init trace_workqueue_early_init(void) 
{

	int ret, cpu;



	for_each_possible_cpu(cpu) {

		spin_lock_init(&workqueue_cpu_stat(cpu)->lock);

		INIT_LIST_HEAD(&workqueue_cpu_stat(cpu)->list);

	}



	ret = register_trace_workqueue_insertion(probe_workqueue_insertion, NULL);

	if (ret)

		goto out;
@@ -279,11 +284,6 @@ int __init trace_workqueue_early_init(void) 
	if (ret)

		goto no_creation;



	for_each_possible_cpu(cpu) {

		spin_lock_init(&workqueue_cpu_stat(cpu)->lock);

		INIT_LIST_HEAD(&workqueue_cpu_stat(cpu)->list);

	}



	return 0;



no_creation: