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    Subject[PATCH 04/11] jump label: Initialize workqueue tracepoints *before* they are registered
    From: Jason Baron <jbaron@redhat.com>

    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>
    ---
    kernel/trace/trace_workqueue.c | 10 +++++-----
    1 files changed, 5 insertions(+), 5 deletions(-)

    diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c
    index a7cc379..209b379 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:
    --
    1.7.1



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