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Commit e0cf0cd49632552f063fb3ae58691946da45fb2e

Authored by Jason Baron
Committed by Steven Rostedt
1 parent bf5438fca2
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

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>

Showing 1 changed file with 5 additions and 5 deletions Side-by-side Diff

kernel/trace/trace_workqueue.c
Diff comments   View file @ e0cf0cd
... ... @@ -263,6 +263,11 @@
263 263 {
264 264 int ret, cpu;
265 265  
  266 + for_each_possible_cpu(cpu) {
  267 + spin_lock_init(&workqueue_cpu_stat(cpu)->lock);
  268 + INIT_LIST_HEAD(&workqueue_cpu_stat(cpu)->list);
  269 + }
  270 +
266 271 ret = register_trace_workqueue_insertion(probe_workqueue_insertion, NULL);
267 272 if (ret)
268 273 goto out;
... ... @@ -278,11 +283,6 @@
278 283 ret = register_trace_workqueue_destruction(probe_workqueue_destruction, NULL);
279 284 if (ret)
280 285 goto no_creation;
281   -
282   - for_each_possible_cpu(cpu) {
283   - spin_lock_init(&workqueue_cpu_stat(cpu)->lock);
284   - INIT_LIST_HEAD(&workqueue_cpu_stat(cpu)->list);
285   - }
286 286  
287 287 return 0;
288 288