diff options
| author | Dima Zavin <dima@android.com> | 2011-07-07 17:27:59 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-07-08 14:02:53 +0200 |
| commit | 732375c6a5a4cc825b676c922d547aba96b8ce15 (patch) | |
| tree | 35002255d0e52ad478ffa7134b73c35452c502a0 /include/linux/plist.h | |
| parent | 8edbb83e5bc3c7d5d76861fc61872105288d2610 (diff) | |
| download | lwn-732375c6a5a4cc825b676c922d547aba96b8ce15.tar.gz lwn-732375c6a5a4cc825b676c922d547aba96b8ce15.zip | |
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.h | 55 |
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 } /** |