X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Flinux%2Fwait.h;h=e820d00e13836af125710e67753ad5fee2b9bc36;hb=7259f0d05d595b73ef312a082e628627c6414969;hp=d28518236b62fea581606ee74c76607743153aad;hpb=e82b3aec8d508d2a925a4c766e97f16b7c4dfb1b;p=powerpc.git

diff --git a/include/linux/wait.h b/include/linux/wait.h
index d28518236b..e820d00e13 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -19,7 +19,6 @@
 
 #ifdef __KERNEL__
 
-#include <linux/config.h>
 #include <linux/list.h>
 #include <linux/stddef.h>
 #include <linux/spinlock.h>
@@ -69,7 +68,7 @@ struct task_struct;
 	wait_queue_t name = __WAITQUEUE_INITIALIZER(name, tsk)
 
 #define __WAIT_QUEUE_HEAD_INITIALIZER(name) {				\
-	.lock		= SPIN_LOCK_UNLOCKED,				\
+	.lock		= __SPIN_LOCK_UNLOCKED(name.lock),		\
 	.task_list	= { &(name).task_list, &(name).task_list } }
 
 #define DECLARE_WAIT_QUEUE_HEAD(name) \
@@ -78,11 +77,16 @@ struct task_struct;
 #define __WAIT_BIT_KEY_INITIALIZER(word, bit)				\
 	{ .flags = word, .bit_nr = bit, }
 
-static inline void init_waitqueue_head(wait_queue_head_t *q)
-{
-	spin_lock_init(&q->lock);
-	INIT_LIST_HEAD(&q->task_list);
-}
+extern void init_waitqueue_head(wait_queue_head_t *q);
+
+#ifdef CONFIG_LOCKDEP
+# define __WAIT_QUEUE_HEAD_INIT_ONSTACK(name) \
+	({ init_waitqueue_head(&name); name; })
+# define DECLARE_WAIT_QUEUE_HEAD_ONSTACK(name) \
+	wait_queue_head_t name = __WAIT_QUEUE_HEAD_INIT_ONSTACK(name)
+#else
+# define DECLARE_WAIT_QUEUE_HEAD_ONSTACK(name) DECLARE_WAIT_QUEUE_HEAD(name)
+#endif
 
 static inline void init_waitqueue_entry(wait_queue_t *q, struct task_struct *p)
 {