X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=kernel%2Fworkqueue.c;h=8bd600c020e5cdf5f2454681bc2e89fcc99c47d0;hb=e933424c4823596ed231648eeb602b5209960ff6;hp=9ca34cddaf6d961c1e07bee9080ff4dd6be1338e;hpb=45d7f32c7a43cbb9592886d38190e379e2eb2226;p=cascardo%2Flinux.git

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 9ca34cddaf6d..8bd600c020e5 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -35,6 +35,9 @@
 #include <linux/lockdep.h>
 #include <linux/idr.h>
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/workqueue.h>
+
 #include "workqueue_sched.h"
 
 enum {
@@ -1790,7 +1793,13 @@ static void process_one_work(struct worker *worker, struct work_struct *work)
 	work_clear_pending(work);
 	lock_map_acquire(&cwq->wq->lockdep_map);
 	lock_map_acquire(&lockdep_map);
+	trace_workqueue_execute_start(work);
 	f(work);
+	/*
+	 * While we must be careful to not use "work" after this, the trace
+	 * point will only record its address.
+	 */
+	trace_workqueue_execute_end(work);
 	lock_map_release(&lockdep_map);
 	lock_map_release(&cwq->wq->lockdep_map);
 
@@ -2568,7 +2577,7 @@ EXPORT_SYMBOL(schedule_delayed_work_on);
 int schedule_on_each_cpu(work_func_t func)
 {
 	int cpu;
-	struct work_struct *works;
+	struct work_struct __percpu *works;
 
 	works = alloc_percpu(struct work_struct);
 	if (!works)
@@ -3527,7 +3536,7 @@ static int __init init_workqueues(void)
 	unsigned int cpu;
 	int i;
 
-	hotcpu_notifier(workqueue_cpu_callback, CPU_PRI_WORKQUEUE);
+	cpu_notifier(workqueue_cpu_callback, CPU_PRI_WORKQUEUE);
 
 	/* initialize gcwqs */
 	for_each_gcwq_cpu(cpu) {