Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  lockdep: Fix lockdep_no_validate against IRQ states
  mutex: Make mutex_destroy() an inline function
  plist: Remove the need to supply locks to plist heads
  lockup detector: Fix reference to the non-existent CONFIG_DETECT_SOFTLOCKUP option

1 files changed, 3 insertions, 52 deletions

diff --git a/include/linux/plist.h b/include/linux/plist.h
index c9b9f322c8d8..aa0fb390bd29 100644
--- a/include/linux/plist.h
+++ b/include/linux/plist.h
@@ -77,14 +77,9 @@
 
 #include <linux/kernel.h>
 #include <linux/list.h>
-#include <linux/spinlock_types.h>
 
 struct plist_head {
 	struct list_head node_list;
-#ifdef CONFIG_DEBUG_PI_LIST
-	raw_spinlock_t *rawlock;
-	spinlock_t *spinlock;
-#endif
 };
 
 struct plist_node {
@@ -93,37 +88,13 @@ struct plist_node {
 	struct list_head	node_list;
 };
 
-#ifdef CONFIG_DEBUG_PI_LIST
-# define PLIST_HEAD_LOCK_INIT(_lock)		.spinlock = _lock
-# define PLIST_HEAD_LOCK_INIT_RAW(_lock)	.rawlock = _lock
-#else
-# define PLIST_HEAD_LOCK_INIT(_lock)
-# define PLIST_HEAD_LOCK_INIT_RAW(_lock)
-#endif
-
-#define _PLIST_HEAD_INIT(head)				\
-	.node_list = LIST_HEAD_INIT((head).node_list)
-
 /**
  * PLIST_HEAD_INIT - static struct plist_head initializer
  * @head:	struct plist_head variable name
- * @_lock:	lock to initialize for this list
- */
-#define PLIST_HEAD_INIT(head, _lock)			\
-{							\
-	_PLIST_HEAD_INIT(head),				\
-	PLIST_HEAD_LOCK_INIT(&(_lock))			\
-}
-
-/**
- * PLIST_HEAD_INIT_RAW - static struct plist_head initializer
- * @head:	struct plist_head variable name
- * @_lock:	lock to initialize for this list
  */
-#define PLIST_HEAD_INIT_RAW(head, _lock)		\
+#define PLIST_HEAD_INIT(head)				\
 {							\
-	_PLIST_HEAD_INIT(head),				\
-	PLIST_HEAD_LOCK_INIT_RAW(&(_lock))		\
+	.node_list = LIST_HEAD_INIT((head).node_list)	\
 }
 
 /**
@@ -141,31 +112,11 @@ struct plist_node {
 /**
  * plist_head_init - dynamic struct plist_head initializer
  * @head:	&struct plist_head pointer
- * @lock:	spinlock protecting the list (debugging)
  */
 static inline void
-plist_head_init(struct plist_head *head, spinlock_t *lock)
+plist_head_init(struct plist_head *head)
 {
 	INIT_LIST_HEAD(&head->node_list);
-#ifdef CONFIG_DEBUG_PI_LIST
-	head->spinlock = lock;
-	head->rawlock = NULL;
-#endif
-}
-
-/**
- * plist_head_init_raw - dynamic struct plist_head initializer
- * @head:	&struct plist_head pointer
- * @lock:	raw_spinlock protecting the list (debugging)
- */
-static inline void
-plist_head_init_raw(struct plist_head *head, raw_spinlock_t *lock)
-{
-	INIT_LIST_HEAD(&head->node_list);
-#ifdef CONFIG_DEBUG_PI_LIST
-	head->rawlock = lock;
-	head->spinlock = NULL;
-#endif
 }
 
 /**