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authorTejun Heo <tj@kernel.org>2010-12-17 09:16:46 -0500
committerTejun Heo <tj@kernel.org>2010-12-17 09:16:46 -0500
commit275c8b93288ef0c2281e414e069ea8ed4bad03f7 (patch)
treedf906ef901d7719d66944921c7436f5db718dc2f /kernel
parent909ea96468096b07fbb41aaf69be060d92bd9271 (diff)
parent8f1d97c79eb65de1d05799d6b81d79cd94169114 (diff)
Merge branch 'this_cpu_ops' into for-2.6.38
Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/proc.c2
-rw-r--r--kernel/printk.c4
-rw-r--r--kernel/workqueue.c7
3 files changed, 8 insertions, 5 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 01b1d3a88983..6c8a2a9f8a7b 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -214,7 +214,7 @@ static int irq_spurious_proc_show(struct seq_file *m, void *v)
214 214
215static int irq_spurious_proc_open(struct inode *inode, struct file *file) 215static int irq_spurious_proc_open(struct inode *inode, struct file *file)
216{ 216{
217 return single_open(file, irq_spurious_proc_show, NULL); 217 return single_open(file, irq_spurious_proc_show, PDE(inode)->data);
218} 218}
219 219
220static const struct file_operations irq_spurious_proc_fops = { 220static const struct file_operations irq_spurious_proc_fops = {
diff --git a/kernel/printk.c b/kernel/printk.c
index b032317f9964..6c39fff38702 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1082,13 +1082,15 @@ void printk_tick(void)
1082 1082
1083int printk_needs_cpu(int cpu) 1083int printk_needs_cpu(int cpu)
1084{ 1084{
1085 if (unlikely(cpu_is_offline(cpu)))
1086 printk_tick();
1085 return per_cpu(printk_pending, cpu); 1087 return per_cpu(printk_pending, cpu);
1086} 1088}
1087 1089
1088void wake_up_klogd(void) 1090void wake_up_klogd(void)
1089{ 1091{
1090 if (waitqueue_active(&log_wait)) 1092 if (waitqueue_active(&log_wait))
1091 __raw_get_cpu_var(printk_pending) = 1; 1093 this_cpu_write(printk_pending, 1);
1092} 1094}
1093 1095
1094/** 1096/**
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 90db1bd1a978..e785b0f2aea5 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -661,7 +661,7 @@ void wq_worker_waking_up(struct task_struct *task, unsigned int cpu)
661{ 661{
662 struct worker *worker = kthread_data(task); 662 struct worker *worker = kthread_data(task);
663 663
664 if (likely(!(worker->flags & WORKER_NOT_RUNNING))) 664 if (!(worker->flags & WORKER_NOT_RUNNING))
665 atomic_inc(get_gcwq_nr_running(cpu)); 665 atomic_inc(get_gcwq_nr_running(cpu));
666} 666}
667 667
@@ -687,7 +687,7 @@ struct task_struct *wq_worker_sleeping(struct task_struct *task,
687 struct global_cwq *gcwq = get_gcwq(cpu); 687 struct global_cwq *gcwq = get_gcwq(cpu);
688 atomic_t *nr_running = get_gcwq_nr_running(cpu); 688 atomic_t *nr_running = get_gcwq_nr_running(cpu);
689 689
690 if (unlikely(worker->flags & WORKER_NOT_RUNNING)) 690 if (worker->flags & WORKER_NOT_RUNNING)
691 return NULL; 691 return NULL;
692 692
693 /* this can only happen on the local cpu */ 693 /* this can only happen on the local cpu */
@@ -3692,7 +3692,8 @@ static int __init init_workqueues(void)
3692 system_nrt_wq = alloc_workqueue("events_nrt", WQ_NON_REENTRANT, 0); 3692 system_nrt_wq = alloc_workqueue("events_nrt", WQ_NON_REENTRANT, 0);
3693 system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND, 3693 system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND,
3694 WQ_UNBOUND_MAX_ACTIVE); 3694 WQ_UNBOUND_MAX_ACTIVE);
3695 BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq); 3695 BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq ||
3696 !system_unbound_wq);
3696 return 0; 3697 return 0;
3697} 3698}
3698early_initcall(init_workqueues); 3699early_initcall(init_workqueues);