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-rw-r--r--include/linux/workqueue.h1
-rw-r--r--kernel/workqueue.c19
2 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index ac39d04d027..86b11130023 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -65,6 +65,7 @@ extern int FASTCALL(schedule_work(struct work_struct *work));
extern int FASTCALL(schedule_delayed_work(struct work_struct *work, unsigned long delay));
extern int schedule_delayed_work_on(int cpu, struct work_struct *work, unsigned long delay);
+extern int schedule_on_each_cpu(void (*func)(void *info), void *info);
extern void flush_scheduled_work(void);
extern int current_is_keventd(void);
extern int keventd_up(void);
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 2bd5aee1c73..62d47220696 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -419,6 +419,25 @@ int schedule_delayed_work_on(int cpu,
return ret;
}
+int schedule_on_each_cpu(void (*func) (void *info), void *info)
+{
+ int cpu;
+ struct work_struct *work;
+
+ work = kmalloc(NR_CPUS * sizeof(struct work_struct), GFP_KERNEL);
+
+ if (!work)
+ return -ENOMEM;
+ for_each_online_cpu(cpu) {
+ INIT_WORK(work + cpu, func, info);
+ __queue_work(per_cpu_ptr(keventd_wq->cpu_wq, cpu),
+ work + cpu);
+ }
+ flush_workqueue(keventd_wq);
+ kfree(work);
+ return 0;
+}
+
void flush_scheduled_work(void)
{
flush_workqueue(keventd_wq);