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: Jason Baron <jbaron@redhat.com>
LKML-Reference: <e3a3383fc370ac7086625bebe89d9480d7caf372.1284733808.git.jbaron@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c
index a7cc3793baf6897d2535737a52322552040d2737..209b379a47210dad4170e5914e5ecc68207f8784 100644 (file)
--- a/kernel/trace/trace_workqueue.c
+++ b/kernel/trace/trace_workqueue.c
@@ -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: