1 files changed, 15 insertions, 13 deletions

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index db49886bfae1..a3da07c5af28 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -96,13 +96,13 @@ static inline void set_wq_data(struct work_struct *work, void *wq)
         BUG_ON(!work_pending(work));
 
         new = (unsigned long) wq | (1UL << WORK_STRUCT_PENDING);
-        new |= work->management & WORK_STRUCT_FLAG_MASK;
-        work->management = new;
+        new |= WORK_STRUCT_FLAG_MASK & *work_data_bits(work);
+        atomic_long_set(&work->data, new);
 }
 
 static inline void *get_wq_data(struct work_struct *work)
 {
-        return (void *) (work->management & WORK_STRUCT_WQ_DATA_MASK);
+        return (void *) (atomic_long_read(&work->data) & WORK_STRUCT_WQ_DATA_MASK);
 }
 
 static int __run_work(struct cpu_workqueue_struct *cwq, struct work_struct *work)
@@ -133,7 +133,7 @@ static int __run_work(struct cpu_workqueue_struct *cwq, struct work_struct *work
                 list_del_init(&work->entry);
                 spin_unlock_irqrestore(&cwq->lock, flags);
 
-                if (!test_bit(WORK_STRUCT_NOAUTOREL, &work->management))
+                if (!test_bit(WORK_STRUCT_NOAUTOREL, work_data_bits(work)))
                         work_release(work);
                 f(work);
 
@@ -206,7 +206,7 @@ int fastcall queue_work(struct workqueue_struct *wq, struct work_struct *work)
 {
         int ret = 0, cpu = get_cpu();
 
-        if (!test_and_set_bit(WORK_STRUCT_PENDING, &work->management)) {
+        if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) {
                 if (unlikely(is_single_threaded(wq)))
                         cpu = singlethread_cpu;
                 BUG_ON(!list_empty(&work->entry));
@@ -233,7 +233,7 @@ static void delayed_work_timer_fn(unsigned long __data)
 /**
  * queue_delayed_work - queue work on a workqueue after delay
  * @wq: workqueue to use
- * @work: delayable work to queue
+ * @dwork: delayable work to queue
  * @delay: number of jiffies to wait before queueing
  *
  * Returns 0 if @work was already on a queue, non-zero otherwise.
@@ -248,7 +248,7 @@ int fastcall queue_delayed_work(struct workqueue_struct *wq,
         if (delay == 0)
                 return queue_work(wq, work);
 
-        if (!test_and_set_bit(WORK_STRUCT_PENDING, &work->management)) {
+        if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) {
                 BUG_ON(timer_pending(timer));
                 BUG_ON(!list_empty(&work->entry));
 
@@ -268,7 +268,7 @@ EXPORT_SYMBOL_GPL(queue_delayed_work);
  * queue_delayed_work_on - queue work on specific CPU after delay
  * @cpu: CPU number to execute work on
  * @wq: workqueue to use
- * @work: work to queue
+ * @dwork: work to queue
  * @delay: number of jiffies to wait before queueing
  *
  * Returns 0 if @work was already on a queue, non-zero otherwise.
@@ -280,7 +280,7 @@ int queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
         struct timer_list *timer = &dwork->timer;
         struct work_struct *work = &dwork->work;
 
-        if (!test_and_set_bit(WORK_STRUCT_PENDING, &work->management)) {
+        if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) {
                 BUG_ON(timer_pending(timer));
                 BUG_ON(!list_empty(&work->entry));
 
@@ -321,7 +321,7 @@ static void run_workqueue(struct cpu_workqueue_struct *cwq)
                 spin_unlock_irqrestore(&cwq->lock, flags);
 
                 BUG_ON(get_wq_data(work) != cwq);
-                if (!test_bit(WORK_STRUCT_NOAUTOREL, &work->management))
+                if (!test_bit(WORK_STRUCT_NOAUTOREL, work_data_bits(work)))
                         work_release(work);
                 f(work);
 
@@ -637,9 +637,11 @@ int schedule_on_each_cpu(work_func_t func)
 
         mutex_lock(&workqueue_mutex);
         for_each_online_cpu(cpu) {
-                INIT_WORK(per_cpu_ptr(works, cpu), func);
-                __queue_work(per_cpu_ptr(keventd_wq->cpu_wq, cpu),
-                                per_cpu_ptr(works, cpu));
+                struct work_struct *work = per_cpu_ptr(works, cpu);
+
+                INIT_WORK(work, func);
+                set_bit(WORK_STRUCT_PENDING, work_data_bits(work));
+                __queue_work(per_cpu_ptr(keventd_wq->cpu_wq, cpu), work);
         }
         mutex_unlock(&workqueue_mutex);
         flush_workqueue(keventd_wq);