Changeset 523 for GPL/branches/uniaud32-2.1.x/lib32/misc.c

Timestamp:

Jul 22, 2010, 7:29:34 PM (15 years ago)

Author:

David Azarewicz

Message:

flush_workqueue hack, misc code cleanups

File:

• GPL/branches/uniaud32-2.1.x/lib32/misc.c (modified) (2 diffs)

GPL/branches/uniaud32-2.1.x/lib32/misc.c

@@ -269 +269 @@
 void flush_workqueue(struct workqueue_struct *wq)
 {
+        short sDAZ;
+
         if (wq->task == current) {
                 run_workqueue(wq);
@@ -278 +280 @@
                 spin_lock_irq(&wq->lock);
                 add_wait_queue(&wq->work_done, &wait);
+                sDAZ = 0;
                 while (!list_empty(&wq->worklist)) {
+                        if (sDAZ++ > 20) { // Temporary hack to prevent system hangs
+                                rprintf(("flush_workqueue: can't empty list"));
+                                break;
+                        }                       
                         spin_unlock_irq(&wq->lock);
-                        schedule();
+                        schedule();  // DAZ system hangs here because this function does nothing
                         spin_lock_irq(&wq->lock);
                 }