From: Jason Baron Date: Fri, 17 Sep 2010 15:09:04 +0000 (-0400) Subject: jump label: Initialize workqueue tracepoints *before* they are registered X-Git-Tag: v2.6.37-rc1~214^2~33^2~7 X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=e0cf0cd49632552f063fb3ae58691946da45fb2e;p=net-next-2.6.git 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 LKML-Reference: Signed-off-by: Steven Rostedt --- diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c index a7cc3793baf..209b379a472 100644 --- 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: