Merge branch 'for-linus' into for-next

* for-linus: (778 commits)
  ALSA: usb-audio - Fix invalid volume resolution on Logitech HD webcam c270
  ALSA: usb-audio - Apply Logitech QuickCam Pro 9000 quirk only to audio iface
  ALSA: hda/via - Clean up duplicated codes
  ALSA: hda/via - Fix wrongly cleared pins after suspend on VT1802
  ALSA: hda - Add keep_eapd_on flag to generic parser
  ALSA: hda - Allow setting automute/automic hooks after parsing
  ALSA: hda/via - Disable broken dynamic power control
  ALSA: usb-audio: fix Roland/Cakewalk UM-3G support
  ALSA: hda - Add headset quirk for two Dell machines
  ALSA: hda - add dock support for Thinkpad T431s
  ALSA: sis7019: fix error return code in sis_chip_create()
  ASoC: cs42l52: fix default value for MASTERA_VOL.
  ASoC: wm8994: check for array index returned
  ASoC: wm8994: Fix reporting of accessory removal on WM8958
  ASoC: wm8994: use the correct pointer to get the control value
  Linux 3.10-rc3
  ipc/sem.c: Fix missing wakeups in do_smart_update_queue()
  score: remove redundant kcore_list entries
  ASoC: wm5110: Correct DSP4R Mixer control name
  ARC: lazy dcache flush broke gdb in non-aliasing configs
  ...

1 files changed, 15 insertions, 4 deletions

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 4aa9f5bc6b2d..ee8e29a2320c 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -296,7 +296,7 @@ static DEFINE_HASHTABLE(unbound_pool_hash, UNBOUND_POOL_HASH_ORDER);
 static struct workqueue_attrs *unbound_std_wq_attrs[NR_STD_WORKER_POOLS];
 
 struct workqueue_struct *system_wq __read_mostly;
-EXPORT_SYMBOL_GPL(system_wq);
+EXPORT_SYMBOL(system_wq);
 struct workqueue_struct *system_highpri_wq __read_mostly;
 EXPORT_SYMBOL_GPL(system_highpri_wq);
 struct workqueue_struct *system_long_wq __read_mostly;
@@ -1411,7 +1411,7 @@ bool queue_work_on(int cpu, struct workqueue_struct *wq,
 	local_irq_restore(flags);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(queue_work_on);
+EXPORT_SYMBOL(queue_work_on);
 
 void delayed_work_timer_fn(unsigned long __data)
 {
@@ -1485,7 +1485,7 @@ bool queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
 	local_irq_restore(flags);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(queue_delayed_work_on);
+EXPORT_SYMBOL(queue_delayed_work_on);
 
 /**
  * mod_delayed_work_on - modify delay of or queue a delayed work on specific CPU
@@ -2059,6 +2059,7 @@ static bool manage_workers(struct worker *worker)
 	if (unlikely(!mutex_trylock(&pool->manager_mutex))) {
 		spin_unlock_irq(&pool->lock);
 		mutex_lock(&pool->manager_mutex);
+		spin_lock_irq(&pool->lock);
 		ret = true;
 	}
 
@@ -4311,6 +4312,12 @@ bool current_is_workqueue_rescuer(void)
  * no synchronization around this function and the test result is
  * unreliable and only useful as advisory hints or for debugging.
  *
+ * If @cpu is WORK_CPU_UNBOUND, the test is performed on the local CPU.
+ * Note that both per-cpu and unbound workqueues may be associated with
+ * multiple pool_workqueues which have separate congested states.  A
+ * workqueue being congested on one CPU doesn't mean the workqueue is also
+ * contested on other CPUs / NUMA nodes.
+ *
  * RETURNS:
  * %true if congested, %false otherwise.
  */
@@ -4321,6 +4328,9 @@ bool workqueue_congested(int cpu, struct workqueue_struct *wq)
 
 	rcu_read_lock_sched();
 
+	if (cpu == WORK_CPU_UNBOUND)
+		cpu = smp_processor_id();
+
 	if (!(wq->flags & WQ_UNBOUND))
 		pwq = per_cpu_ptr(wq->cpu_pwqs, cpu);
 	else
@@ -4895,7 +4905,8 @@ static void __init wq_numa_init(void)
 	BUG_ON(!tbl);
 
 	for_each_node(node)
-		BUG_ON(!alloc_cpumask_var_node(&tbl[node], GFP_KERNEL, node));
+		BUG_ON(!alloc_cpumask_var_node(&tbl[node], GFP_KERNEL,
+				node_online(node) ? node : NUMA_NO_NODE));
 
 	for_each_possible_cpu(cpu) {
 		node = cpu_to_node(cpu);