[PATCH -rt 1/5] workqueue: queue_work_cpu

[Peter Zijlstra]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
---
 include/linux/workqueue.h |    1 +
 kernel/workqueue.c        |   13 +++++++++++++
 2 files changed, 14 insertions(+)

Index: linux-2.6/include/linux/workqueue.h
===================================================================
--- linux-2.6.orig/include/linux/workqueue.h
+++ linux-2.6/include/linux/workqueue.h
@@ -131,6 +131,7 @@ extern void set_workqueue_prio(struct wo
 extern void destroy_workqueue(struct workqueue_struct *wq);
 
 extern int FASTCALL(queue_work(struct workqueue_struct *wq, struct work_struct *work));
+extern int FASTCALL(queue_work_cpu(struct workqueue_struct *wq, struct work_struct *work, int cpu));
 extern int FASTCALL(queue_delayed_work(struct workqueue_struct *wq,
 			struct delayed_work *work, unsigned long delay));
 extern int queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
Index: linux-2.6/kernel/workqueue.c
===================================================================
--- linux-2.6.orig/kernel/workqueue.c
+++ linux-2.6/kernel/workqueue.c
@@ -176,6 +176,19 @@ int fastcall queue_work(struct workqueue
 }
 EXPORT_SYMBOL_GPL(queue_work);
 
+int fastcall queue_work_cpu(struct workqueue_struct *wq, struct work_struct *work, int cpu)
+{
+	int ret = 0;
+
+	if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) {
+		BUG_ON(!list_empty(&work->entry));
+		__queue_work(wq_per_cpu(wq, cpu), work);
+		ret = 1;
+	}
+	return ret;
+}
+EXPORT_SYMBOL_GPL(queue_work_cpu);
+
 void delayed_work_timer_fn(unsigned long __data)
 {
 	struct delayed_work *dwork = (struct delayed_work *)__data;

--

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