Merge tag 'nfsd-4.3' of git://linux-nfs.org/~bfields/linux

[cascardo/linux.git] / kernel / workqueue.c

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 4c4f061..ca71582 100644 (file)
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -338,20 +338,20 @@ static void workqueue_sysfs_unregister(struct workqueue_struct *wq);
 #include <trace/events/workqueue.h>
 
 #define assert_rcu_or_pool_mutex()                                     \
-       rcu_lockdep_assert(rcu_read_lock_sched_held() ||                \
-                          lockdep_is_held(&wq_pool_mutex),             \
-                          "sched RCU or wq_pool_mutex should be held")
+       RCU_LOCKDEP_WARN(!rcu_read_lock_sched_held() &&                 \
+                        !lockdep_is_held(&wq_pool_mutex),              \
+                        "sched RCU or wq_pool_mutex should be held")
 
 #define assert_rcu_or_wq_mutex(wq)                                     \
-       rcu_lockdep_assert(rcu_read_lock_sched_held() ||                \
-                          lockdep_is_held(&wq->mutex),                 \
-                          "sched RCU or wq->mutex should be held")
+       RCU_LOCKDEP_WARN(!rcu_read_lock_sched_held() &&                 \
+                        !lockdep_is_held(&wq->mutex),                  \
+                        "sched RCU or wq->mutex should be held")
 
 #define assert_rcu_or_wq_mutex_or_pool_mutex(wq)                       \
-       rcu_lockdep_assert(rcu_read_lock_sched_held() ||                \
-                          lockdep_is_held(&wq->mutex) ||               \
-                          lockdep_is_held(&wq_pool_mutex),             \
-                          "sched RCU, wq->mutex or wq_pool_mutex should be held")
+       RCU_LOCKDEP_WARN(!rcu_read_lock_sched_held() &&                 \
+                        !lockdep_is_held(&wq->mutex) &&                \
+                        !lockdep_is_held(&wq_pool_mutex),              \
+                        "sched RCU, wq->mutex or wq_pool_mutex should be held")
 
 #define for_each_cpu_worker_pool(pool, cpu)                            \
        for ((pool) = &per_cpu(cpu_worker_pools, cpu)[0];               \
@@ -1714,9 +1714,7 @@ static struct worker *create_worker(struct worker_pool *pool)
                goto fail;
 
        set_user_nice(worker->task, pool->attrs->nice);
-
-       /* prevent userland from meddling with cpumask of workqueue workers */
-       worker->task->flags |= PF_NO_SETAFFINITY;
+       kthread_bind_mask(worker->task, pool->attrs->cpumask);
 
        /* successful, attach the worker to the pool */
        worker_attach_to_pool(worker, pool);
@@ -2614,7 +2612,7 @@ void flush_workqueue(struct workqueue_struct *wq)
 out_unlock:
        mutex_unlock(&wq->mutex);
 }
-EXPORT_SYMBOL_GPL(flush_workqueue);
+EXPORT_SYMBOL(flush_workqueue);
 
 /**
  * drain_workqueue - drain a workqueue
@@ -3856,7 +3854,7 @@ struct workqueue_struct *__alloc_workqueue_key(const char *fmt,
                }
 
                wq->rescuer = rescuer;
-               rescuer->task->flags |= PF_NO_SETAFFINITY;
+               kthread_bind_mask(rescuer->task, cpu_possible_mask);
                wake_up_process(rescuer->task);
        }