X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=kernel%2Ffork.c;h=ab5211b9e622cf94d07b7bfb4ccfd9bac85e7b79;hb=8c50c817566dfa4581f82373aac39f3e608a7dc8;hp=31a32c7dd16953c8167914a3ec4f84fce23f3c20;hpb=a70f35af4e49f87ba4b6c4b30220fbb66cd74af6;p=uclinux-h8%2Flinux.git

diff --git a/kernel/fork.c b/kernel/fork.c
index 31a32c7dd169..ab5211b9e622 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -787,9 +787,6 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm)
 	/* Get rid of any cached register state */
 	deactivate_mm(tsk, mm);
 
-	if (tsk->vfork_done)
-		complete_vfork_done(tsk);
-
 	/*
 	 * If we're exiting normally, clear a user-space tid field if
 	 * requested.  We leave this alone when dying by signal, to leave
@@ -810,6 +807,13 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm)
 		}
 		tsk->clear_child_tid = NULL;
 	}
+
+	/*
+	 * All done, finally we can wake up parent and return this mm to him.
+	 * Also kthread_stop() uses this completion for synchronization.
+	 */
+	if (tsk->vfork_done)
+		complete_vfork_done(tsk);
 }
 
 /*
@@ -1411,6 +1415,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	 */
 	p->group_leader = p;
 	INIT_LIST_HEAD(&p->thread_group);
+	INIT_HLIST_HEAD(&p->task_works);
 
 	/* Now that the task is set up, run cgroup callbacks if
 	 * necessary. We need to run them before the task is visible