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author | Tejun Heo <tj@kernel.org> | 2010-12-17 15:16:46 +0100 |
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committer | Tejun Heo <tj@kernel.org> | 2010-12-17 15:16:46 +0100 |
commit | 275c8b93288ef0c2281e414e069ea8ed4bad03f7 (patch) | |
tree | df906ef901d7719d66944921c7436f5db718dc2f /kernel | |
parent | core: Replace __get_cpu_var with __this_cpu_read if not used for an address. (diff) | |
parent | x86: Support for this_cpu_add, sub, dec, inc_return (diff) | |
download | linux-275c8b93288ef0c2281e414e069ea8ed4bad03f7.tar.xz linux-275c8b93288ef0c2281e414e069ea8ed4bad03f7.zip |
Merge branch 'this_cpu_ops' into for-2.6.38
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/irq/proc.c | 2 | ||||
-rw-r--r-- | kernel/printk.c | 4 | ||||
-rw-r--r-- | kernel/workqueue.c | 7 |
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) 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 b032317f9964..6c39fff38702 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 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) { 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); |