xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

plist: Remove the need to supply locks to plist heads

Browse Source 
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>
This commit is contained in:
Dima Zavin
2011-07-07 17:27:59 -07:00
committed by Ingo Molnar
parent 8edbb83e5b
commit 732375c6a5
8 changed files with 14 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
include/linux/plist.h
View File

@@ -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) \
#define PLIST_HEAD_INIT(head) \
{ \
_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) \
{ \
_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
}
/**