]> Pileus Git - ~andy/linux/blobdiff - kernel/workqueue.c
ARM: mx3: use MX3x_ prefixed version of CHIP_REV_x
[~andy/linux] / kernel / workqueue.c
index a2dccfca03ba7f122532f28519e134a4c63a92e5..727f24e563aef326b8eba951d2a31a9aa864d32b 100644 (file)
@@ -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 {
@@ -196,7 +199,7 @@ typedef cpumask_var_t mayday_mask_t;
        cpumask_test_and_set_cpu((cpu), (mask))
 #define mayday_clear_cpu(cpu, mask)            cpumask_clear_cpu((cpu), (mask))
 #define for_each_mayday_cpu(cpu, mask)         for_each_cpu((cpu), (mask))
-#define alloc_mayday_mask(maskp, gfp)          alloc_cpumask_var((maskp), (gfp))
+#define alloc_mayday_mask(maskp, gfp)          zalloc_cpumask_var((maskp), (gfp))
 #define free_mayday_mask(mask)                 free_cpumask_var((mask))
 #else
 typedef unsigned long mayday_mask_t;
@@ -1808,7 +1811,13 @@ __acquires(&gcwq->lock)
        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);
 
@@ -3558,8 +3567,7 @@ static int __init init_workqueues(void)
                spin_lock_init(&gcwq->lock);
                INIT_LIST_HEAD(&gcwq->worklist);
                gcwq->cpu = cpu;
-               if (cpu == WORK_CPU_UNBOUND)
-                       gcwq->flags |= GCWQ_DISASSOCIATED;
+               gcwq->flags |= GCWQ_DISASSOCIATED;
 
                INIT_LIST_HEAD(&gcwq->idle_list);
                for (i = 0; i < BUSY_WORKER_HASH_SIZE; i++)
@@ -3583,6 +3591,8 @@ static int __init init_workqueues(void)
                struct global_cwq *gcwq = get_gcwq(cpu);
                struct worker *worker;
 
+               if (cpu != WORK_CPU_UNBOUND)
+                       gcwq->flags &= ~GCWQ_DISASSOCIATED;
                worker = create_worker(gcwq, true);
                BUG_ON(!worker);
                spin_lock_irq(&gcwq->lock);