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authorTejun Heo <tj@kernel.org>2010-12-17 15:16:46 +0100
committerTejun Heo <tj@kernel.org>2010-12-17 15:16:46 +0100
commit275c8b93288ef0c2281e414e069ea8ed4bad03f7 (patch)
treedf906ef901d7719d66944921c7436f5db718dc2f /kernel
parent909ea96468096b07fbb41aaf69be060d92bd9271 (diff)
parent8f1d97c79eb65de1d05799d6b81d79cd94169114 (diff)
downloadop-kernel-dev-275c8b93288ef0c2281e414e069ea8ed4bad03f7.zip
op-kernel-dev-275c8b93288ef0c2281e414e069ea8ed4bad03f7.tar.gz
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 01b1d3a..6c8a2a9 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)
static int irq_spurious_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, irq_spurious_proc_show, NULL);
+ return single_open(file, irq_spurious_proc_show, PDE(inode)->data);
}
static const struct file_operations irq_spurious_proc_fops = {
diff --git a/kernel/printk.c b/kernel/printk.c
index b032317..6c39fff3 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1082,13 +1082,15 @@ void printk_tick(void)
int printk_needs_cpu(int cpu)
{
+ if (unlikely(cpu_is_offline(cpu)))
+ printk_tick();
return per_cpu(printk_pending, cpu);
}
void wake_up_klogd(void)
{
if (waitqueue_active(&log_wait))
- __raw_get_cpu_var(printk_pending) = 1;
+ this_cpu_write(printk_pending, 1);
}
/**
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 90db1bd..e785b0f 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)
{
struct worker *worker = kthread_data(task);
- if (likely(!(worker->flags & WORKER_NOT_RUNNING)))
+ if (!(worker->flags & WORKER_NOT_RUNNING))
atomic_inc(get_gcwq_nr_running(cpu));
}
@@ -687,7 +687,7 @@ struct task_struct *wq_worker_sleeping(struct task_struct *task,
struct global_cwq *gcwq = get_gcwq(cpu);
atomic_t *nr_running = get_gcwq_nr_running(cpu);
- if (unlikely(worker->flags & WORKER_NOT_RUNNING))
+ if (worker->flags & WORKER_NOT_RUNNING)
return NULL;
/* this can only happen on the local cpu */
@@ -3692,7 +3692,8 @@ static int __init init_workqueues(void)
system_nrt_wq = alloc_workqueue("events_nrt", WQ_NON_REENTRANT, 0);
system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND,
WQ_UNBOUND_MAX_ACTIVE);
- BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq);
+ BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq ||
+ !system_unbound_wq);
return 0;
}
early_initcall(init_workqueues);
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