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    Subject[PATCH 3/4] workqueue: fix incorrect cpu number BUG_ON() in get_work_gcwq()
    get_work_gcwq() was incorrectly triggering BUG_ON() if cpu number is
    equal to or higher than num_possible_cpus() instead of nr_cpu_ids.
    Fix it.

    Signed-off-by: Tejun Heo <tj@kernel.org>
    ---
    kernel/workqueue.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/kernel/workqueue.c b/kernel/workqueue.c
    index b59c946..0c485a5 100644
    --- a/kernel/workqueue.c
    +++ b/kernel/workqueue.c
    @@ -445,7 +445,7 @@ static struct global_cwq *get_work_gcwq(struct work_struct *work)
    if (cpu == NR_CPUS)
    return NULL;

    - BUG_ON(cpu >= num_possible_cpus());
    + BUG_ON(cpu >= nr_cpu_ids);
    return get_gcwq(cpu);
    }

    --
    1.6.4.2


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