aabc2/KOS_qrcodes
1
0
Fork 0
forked from KolibriOS/kolibrios
Code Pull Requests Activity

RC11 preliminary update - includes

Browse Source 
git-svn-id: svn://kolibrios.org@1964 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2011-06-24 10:45:58 +00:00
parent bd08fd3876
commit 52aacb57ed
39 changed files with 2285 additions and 1026 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/include/linux/lockdep.h
View File

@@ -27,6 +27,17 @@ struct lockdep_map;
#define MAX_LOCKDEP_SUBCLASSES 8UL
/*
* NR_LOCKDEP_CACHING_CLASSES ... Number of classes
* cached in the instance of lockdep_map
*
* Currently main class (subclass == 0) and signle depth subclass
* are cached in lockdep_map. This optimization is mainly targeting
* on rq->lock. double_rq_lock() acquires this highly competitive with
* single depth.
*/
#define NR_LOCKDEP_CACHING_CLASSES 2
/*
* Lock-classes are keyed via unique addresses, by embedding the
* lockclass-key into the kernel (or module) .data section. (For
@@ -132,7 +143,7 @@ void clear_lock_stats(struct lock_class *class);
*/
struct lockdep_map {
struct lock_class_key *key;
struct lock_class *class_cache;
struct lock_class *class_cache[NR_LOCKDEP_CACHING_CLASSES];
const char *name;
#ifdef CONFIG_LOCK_STAT
int cpu;
@@ -266,6 +277,9 @@ extern void lockdep_init_map(struct lockdep_map *lock, const char *name,
#define lockdep_set_subclass(lock, sub) \
lockdep_init_map(&(lock)->dep_map, #lock, \
(lock)->dep_map.key, sub)
#define lockdep_set_novalidate_class(lock) \
lockdep_set_class(lock, &__lockdep_no_validate__)
/*
* Compare locking classes
*/
@@ -350,6 +364,9 @@ static inline void lockdep_on(void)
#define lockdep_set_class_and_subclass(lock, key, sub) \
do { (void)(key); } while (0)
#define lockdep_set_subclass(lock, sub) do { } while (0)
#define lockdep_set_novalidate_class(lock) do { } while (0)
/*
* We don't define lockdep_match_class() and lockdep_match_key() for !LOCKDEP
* case since the result is not well defined and the caller should rather
@@ -412,14 +429,6 @@ do { \
#endif /* CONFIG_LOCKDEP */
#ifdef CONFIG_GENERIC_HARDIRQS
extern void early_init_irq_lock_class(void);
#else
static inline void early_init_irq_lock_class(void)
{
}
#endif
#ifdef CONFIG_TRACE_IRQFLAGS
extern void early_boot_irqs_off(void);
extern void early_boot_irqs_on(void);
@@ -534,4 +543,8 @@ do { \
# define might_lock_read(lock) do { } while (0)
#endif
#ifdef CONFIG_PROVE_RCU
extern void lockdep_rcu_dereference(const char *file, const int line);
#endif
#endif /* __LINUX_LOCKDEP_H */