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authorDima Zavin <dima@android.com>2011-07-07 17:27:59 -0700
committerIngo Molnar <mingo@elte.hu>2011-07-08 14:02:53 +0200
commit732375c6a5a4cc825b676c922d547aba96b8ce15 (patch)
tree35002255d0e52ad478ffa7134b73c35452c502a0 /include/linux/plist.h
parent8edbb83e5bc3c7d5d76861fc61872105288d2610 (diff)
plist: Remove the need to supply locks to plist heads
This was legacy code brought over from the RT tree and is no longer necessary. Signed-off-by: Dima Zavin <dima@android.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Daniel Walker <dwalker@codeaurora.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Link: http://lkml.kernel.org/r/1310084879-10351-2-git-send-email-dima@android.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/plist.h')
-rw-r--r--include/linux/plist.h55
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
}
/**