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Searched refs:lock (Results 1 – 25 of 348) sorted by relevance

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/include/linux/
Dspinlock_api_up.h19 #define assert_raw_spin_locked(lock) do { (void)(lock); } while (0) argument
27 #define ___LOCK(lock) \ argument
28 do { __acquire(lock); (void)(lock); } while (0)
30 #define __LOCK(lock) \ argument
31 do { preempt_disable(); ___LOCK(lock); } while (0)
33 #define __LOCK_BH(lock) \ argument
34 do { __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_LOCK_OFFSET); ___LOCK(lock); } while (0)
36 #define __LOCK_IRQ(lock) \ argument
37 do { local_irq_disable(); __LOCK(lock); } while (0)
39 #define __LOCK_IRQSAVE(lock, flags) \ argument
[all …]
Drwlock.h18 extern void __rwlock_init(rwlock_t *lock, const char *name,
20 # define rwlock_init(lock) \ argument
24 __rwlock_init((lock), #lock, &__key); \
27 # define rwlock_init(lock) \ argument
28 do { *(lock) = __RW_LOCK_UNLOCKED(lock); } while (0)
32 extern void do_raw_read_lock(rwlock_t *lock) __acquires(lock);
33 extern int do_raw_read_trylock(rwlock_t *lock);
34 extern void do_raw_read_unlock(rwlock_t *lock) __releases(lock);
35 extern void do_raw_write_lock(rwlock_t *lock) __acquires(lock);
36 extern int do_raw_write_trylock(rwlock_t *lock);
[all …]
Drwlock_api_smp.h18 void __lockfunc _raw_read_lock(rwlock_t *lock) __acquires(lock);
19 void __lockfunc _raw_write_lock(rwlock_t *lock) __acquires(lock);
20 void __lockfunc _raw_write_lock_nested(rwlock_t *lock, int subclass) __acquires(lock);
21 void __lockfunc _raw_read_lock_bh(rwlock_t *lock) __acquires(lock);
22 void __lockfunc _raw_write_lock_bh(rwlock_t *lock) __acquires(lock);
23 void __lockfunc _raw_read_lock_irq(rwlock_t *lock) __acquires(lock);
24 void __lockfunc _raw_write_lock_irq(rwlock_t *lock) __acquires(lock);
25 unsigned long __lockfunc _raw_read_lock_irqsave(rwlock_t *lock)
26 __acquires(lock);
27 unsigned long __lockfunc _raw_write_lock_irqsave(rwlock_t *lock)
[all …]
Dspinlock.h101 extern void __raw_spin_lock_init(raw_spinlock_t *lock, const char *name,
104 # define raw_spin_lock_init(lock) \ argument
108 __raw_spin_lock_init((lock), #lock, &__key, LD_WAIT_SPIN); \
112 # define raw_spin_lock_init(lock) \ argument
113 do { *(lock) = __RAW_SPIN_LOCK_UNLOCKED(lock); } while (0)
116 #define raw_spin_is_locked(lock) arch_spin_is_locked(&(lock)->raw_lock) argument
119 #define raw_spin_is_contended(lock) arch_spin_is_contended(&(lock)->raw_lock) argument
121 #define raw_spin_is_contended(lock) (((void)(lock), 0)) argument
180 extern void do_raw_spin_lock(raw_spinlock_t *lock) __acquires(lock);
181 extern int do_raw_spin_trylock(raw_spinlock_t *lock);
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Dspinlock_api_smp.h22 void __lockfunc _raw_spin_lock(raw_spinlock_t *lock) __acquires(lock);
23 void __lockfunc _raw_spin_lock_nested(raw_spinlock_t *lock, int subclass)
24 __acquires(lock);
26 _raw_spin_lock_nest_lock(raw_spinlock_t *lock, struct lockdep_map *map)
27 __acquires(lock);
28 void __lockfunc _raw_spin_lock_bh(raw_spinlock_t *lock) __acquires(lock);
29 void __lockfunc _raw_spin_lock_irq(raw_spinlock_t *lock)
30 __acquires(lock);
32 unsigned long __lockfunc _raw_spin_lock_irqsave(raw_spinlock_t *lock)
33 __acquires(lock);
[all …]
Dspinlock_rt.h10 extern void __rt_spin_lock_init(spinlock_t *lock, const char *name,
13 static inline void __rt_spin_lock_init(spinlock_t *lock, const char *name, in __rt_spin_lock_init() argument
21 rt_mutex_base_init(&(slock)->lock); \
34 extern void rt_spin_lock(spinlock_t *lock) __acquires(lock);
35 extern void rt_spin_lock_nested(spinlock_t *lock, int subclass) __acquires(lock);
36 extern void rt_spin_lock_nest_lock(spinlock_t *lock, struct lockdep_map *nest_lock) __acquires(lock…
37 extern void rt_spin_unlock(spinlock_t *lock) __releases(lock);
38 extern void rt_spin_lock_unlock(spinlock_t *lock);
39 extern int rt_spin_trylock_bh(spinlock_t *lock);
40 extern int rt_spin_trylock(spinlock_t *lock);
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Dspinlock_up.h29 static inline void arch_spin_lock(arch_spinlock_t *lock) in arch_spin_lock() argument
31 lock->slock = 0; in arch_spin_lock()
35 static inline int arch_spin_trylock(arch_spinlock_t *lock) in arch_spin_trylock() argument
37 char oldval = lock->slock; in arch_spin_trylock()
39 lock->slock = 0; in arch_spin_trylock()
45 static inline void arch_spin_unlock(arch_spinlock_t *lock) in arch_spin_unlock() argument
48 lock->slock = 1; in arch_spin_unlock()
54 #define arch_read_lock(lock) do { barrier(); (void)(lock); } while (0) argument
55 #define arch_write_lock(lock) do { barrier(); (void)(lock); } while (0) argument
56 #define arch_read_trylock(lock) ({ barrier(); (void)(lock); 1; }) argument
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Dlocal_lock_internal.h54 #define __local_lock_init(lock) \ argument
58 debug_check_no_locks_freed((void *)lock, sizeof(*lock));\
59 lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, \
62 local_lock_debug_init(lock); \
65 #define __spinlock_nested_bh_init(lock) \ argument
69 debug_check_no_locks_freed((void *)lock, sizeof(*lock));\
70 lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, \
73 local_lock_debug_init(lock); \
76 #define __local_lock(lock) \ argument
79 local_lock_acquire(this_cpu_ptr(lock)); \
[all …]
Dmutex.h42 extern void mutex_destroy(struct mutex *lock);
48 static inline void mutex_destroy(struct mutex *lock) {} in mutex_destroy() argument
89 extern void __mutex_init(struct mutex *lock, const char *name,
98 extern bool mutex_is_locked(struct mutex *lock);
114 extern void __mutex_rt_init(struct mutex *lock, const char *name,
129 int __devm_mutex_init(struct device *dev, struct mutex *lock);
133 static inline int __devm_mutex_init(struct device *dev, struct mutex *lock) in __devm_mutex_init() argument
157 extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass);
158 extern void _mutex_lock_nest_lock(struct mutex *lock, struct lockdep_map *nest_lock);
160 extern int __must_check mutex_lock_interruptible_nested(struct mutex *lock,
[all …]
Dlocal_lock.h10 #define local_lock_init(lock) __local_lock_init(lock) argument
16 #define local_lock(lock) __local_lock(lock) argument
22 #define local_lock_irq(lock) __local_lock_irq(lock) argument
30 #define local_lock_irqsave(lock, flags) \ argument
31 __local_lock_irqsave(lock, flags)
37 #define local_unlock(lock) __local_unlock(lock) argument
43 #define local_unlock_irq(lock) __local_unlock_irq(lock) argument
51 #define local_unlock_irqrestore(lock, flags) \ argument
52 __local_unlock_irqrestore(lock, flags)
61 local_lock_irqsave(_T->lock, _T->flags),
[all …]
Drtmutex.h42 static inline bool rt_mutex_base_is_locked(struct rt_mutex_base *lock) in rt_mutex_base_is_locked() argument
44 return READ_ONCE(lock->owner) != NULL; in rt_mutex_base_is_locked()
98 extern void __rt_mutex_init(struct rt_mutex *lock, const char *name, struct lock_class_key *key);
101 extern void rt_mutex_lock_nested(struct rt_mutex *lock, unsigned int subclass);
102 extern void _rt_mutex_lock_nest_lock(struct rt_mutex *lock, struct lockdep_map *nest_lock);
103 #define rt_mutex_lock(lock) rt_mutex_lock_nested(lock, 0) argument
104 #define rt_mutex_lock_nest_lock(lock, nest_lock) \ argument
107 _rt_mutex_lock_nest_lock(lock, &(nest_lock)->dep_map); \
111 extern void rt_mutex_lock(struct rt_mutex *lock);
112 #define rt_mutex_lock_nested(lock, subclass) rt_mutex_lock(lock) argument
[all …]
Dlockdep.h90 extern void lockdep_reset_lock(struct lockdep_map *lock);
128 extern void lockdep_init_map_type(struct lockdep_map *lock, const char *name,
132 lockdep_init_map_waits(struct lockdep_map *lock, const char *name, in lockdep_init_map_waits() argument
135 lockdep_init_map_type(lock, name, key, subclass, inner, outer, LD_LOCK_NORMAL); in lockdep_init_map_waits()
139 lockdep_init_map_wait(struct lockdep_map *lock, const char *name, in lockdep_init_map_wait() argument
142 lockdep_init_map_waits(lock, name, key, subclass, inner, LD_WAIT_INV); in lockdep_init_map_wait()
145 static inline void lockdep_init_map(struct lockdep_map *lock, const char *name, in lockdep_init_map() argument
148 lockdep_init_map_wait(lock, name, key, subclass, LD_WAIT_INV); in lockdep_init_map()
157 #define lockdep_set_class(lock, key) \ argument
158 lockdep_init_map_type(&(lock)->dep_map, #key, key, 0, \
[all …]
Dseqlock.h127 __SEQ_LOCK(____s->lock = (_lock)); \
130 #define seqcount_raw_spinlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, raw_spinlock) argument
131 #define seqcount_spinlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, spinlock) argument
132 #define seqcount_rwlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, rwlock) argument
133 #define seqcount_mutex_init(s, lock) seqcount_LOCKNAME_init(s, lock, mutex) argument
166 __SEQ_LOCK(lockbase##_lock(s->lock)); \
167 __SEQ_LOCK(lockbase##_unlock(s->lock)); \
192 __SEQ_LOCK(lockdep_assert_held(s->lock)); \
240 __SEQ_LOCK(.lock = (assoc_lock)) \ in SEQCOUNT_LOCKNAME()
243 #define SEQCNT_RAW_SPINLOCK_ZERO(name, lock) SEQCOUNT_LOCKNAME_ZERO(name, lock) argument
[all …]
Dosq_lock.h23 static inline void osq_lock_init(struct optimistic_spin_queue *lock) in osq_lock_init() argument
25 atomic_set(&lock->tail, OSQ_UNLOCKED_VAL); in osq_lock_init()
28 extern bool osq_lock(struct optimistic_spin_queue *lock);
29 extern void osq_unlock(struct optimistic_spin_queue *lock);
31 static inline bool osq_is_locked(struct optimistic_spin_queue *lock) in osq_is_locked() argument
33 return atomic_read(&lock->tail) != OSQ_UNLOCKED_VAL; in osq_is_locked()
Drwlock_rt.h51 #define read_lock_irqsave(lock, flags) \ argument
54 rt_read_lock(lock); \
58 #define read_trylock(lock) __cond_lock(lock, rt_read_trylock(lock)) argument
93 #define write_lock_nested(lock, subclass) rt_write_lock(((void)(subclass), (lock))) argument
107 #define write_lock_irqsave(lock, flags) \ argument
110 rt_write_lock(lock); \
114 #define write_trylock(lock) __cond_lock(lock, rt_write_trylock(lock)) argument
116 #define write_trylock_irqsave(lock, flags) \ argument
122 __locked = write_trylock(lock); \
148 #define rwlock_is_contended(lock) (((void)(lock), 0)) argument
Dww_mutex.h98 static inline void ww_mutex_init(struct ww_mutex *lock, in ww_mutex_init() argument
101 ww_mutex_base_init(&lock->base, ww_class->mutex_name, &ww_class->mutex_key); in ww_mutex_init()
102 lock->ctx = NULL; in ww_mutex_init()
104 lock->ww_class = ww_class; in ww_mutex_init()
234 extern int /* __must_check */ ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx);
266 extern int __must_check ww_mutex_lock_interruptible(struct ww_mutex *lock,
293 ww_mutex_lock_slow(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) in ww_mutex_lock_slow() argument
299 ret = ww_mutex_lock(lock, ctx); in ww_mutex_lock_slow()
329 ww_mutex_lock_slow_interruptible(struct ww_mutex *lock, in ww_mutex_lock_slow_interruptible() argument
335 return ww_mutex_lock_interruptible(lock, ctx); in ww_mutex_lock_slow_interruptible()
[all …]
Dfs_struct.h11 spinlock_t lock; member
29 spin_lock(&fs->lock); in get_fs_root()
32 spin_unlock(&fs->lock); in get_fs_root()
37 spin_lock(&fs->lock); in get_fs_pwd()
40 spin_unlock(&fs->lock); in get_fs_pwd()
/include/asm-generic/
Dqrwlock.h36 extern void queued_read_lock_slowpath(struct qrwlock *lock);
37 extern void queued_write_lock_slowpath(struct qrwlock *lock);
44 static inline int queued_read_trylock(struct qrwlock *lock) in queued_read_trylock() argument
48 cnts = atomic_read(&lock->cnts); in queued_read_trylock()
50 cnts = (u32)atomic_add_return_acquire(_QR_BIAS, &lock->cnts); in queued_read_trylock()
53 atomic_sub(_QR_BIAS, &lock->cnts); in queued_read_trylock()
63 static inline int queued_write_trylock(struct qrwlock *lock) in queued_write_trylock() argument
67 cnts = atomic_read(&lock->cnts); in queued_write_trylock()
71 return likely(atomic_try_cmpxchg_acquire(&lock->cnts, &cnts, in queued_write_trylock()
78 static inline void queued_read_lock(struct qrwlock *lock) in queued_read_lock() argument
[all …]
Dspinlock.h33 static __always_inline void arch_spin_lock(arch_spinlock_t *lock) in arch_spin_lock() argument
35 u32 val = atomic_fetch_add(1<<16, lock); in arch_spin_lock()
49 atomic_cond_read_acquire(lock, ticket == (u16)VAL); in arch_spin_lock()
53 static __always_inline bool arch_spin_trylock(arch_spinlock_t *lock) in arch_spin_trylock() argument
55 u32 old = atomic_read(lock); in arch_spin_trylock()
60 return atomic_try_cmpxchg(lock, &old, old + (1<<16)); /* SC, for RCsc */ in arch_spin_trylock()
63 static __always_inline void arch_spin_unlock(arch_spinlock_t *lock) in arch_spin_unlock() argument
65 u16 *ptr = (u16 *)lock + IS_ENABLED(CONFIG_CPU_BIG_ENDIAN); in arch_spin_unlock()
66 u32 val = atomic_read(lock); in arch_spin_unlock()
71 static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock) in arch_spin_value_unlocked() argument
[all …]
Dqspinlock.h51 static __always_inline int queued_spin_is_locked(struct qspinlock *lock) in queued_spin_is_locked() argument
57 return atomic_read(&lock->val); in queued_spin_is_locked()
71 static __always_inline int queued_spin_value_unlocked(struct qspinlock lock) in queued_spin_value_unlocked() argument
73 return !lock.val.counter; in queued_spin_value_unlocked()
81 static __always_inline int queued_spin_is_contended(struct qspinlock *lock) in queued_spin_is_contended() argument
83 return atomic_read(&lock->val) & ~_Q_LOCKED_MASK; in queued_spin_is_contended()
90 static __always_inline int queued_spin_trylock(struct qspinlock *lock) in queued_spin_trylock() argument
92 int val = atomic_read(&lock->val); in queued_spin_trylock()
97 return likely(atomic_try_cmpxchg_acquire(&lock->val, &val, _Q_LOCKED_VAL)); in queued_spin_trylock()
100 extern void queued_spin_lock_slowpath(struct qspinlock *lock, u32 val);
[all …]
/include/trace/events/
Dlock.h3 #define TRACE_SYSTEM lock
26 TP_PROTO(struct lockdep_map *lock, unsigned int subclass,
30 TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
34 __string(name, lock->name)
41 __entry->lockdep_addr = lock;
50 DECLARE_EVENT_CLASS(lock,
52 TP_PROTO(struct lockdep_map *lock, unsigned long ip),
54 TP_ARGS(lock, ip),
57 __string( name, lock->name )
63 __entry->lockdep_addr = lock;
[all …]
/include/trace/hooks/
Ddtask.h24 TP_PROTO(struct mutex *lock),
25 TP_ARGS(lock));
27 TP_PROTO(struct mutex *lock),
28 TP_ARGS(lock));
30 TP_PROTO(struct mutex *lock),
31 TP_ARGS(lock));
33 TP_PROTO(struct mutex *lock, bool *time_out, int *cnt),
34 TP_ARGS(lock, time_out, cnt));
36 TP_PROTO(struct mutex *lock, bool taken),
37 TP_ARGS(lock, taken));
[all …]
/include/asm-generic/bitops/
Dext2-atomic.h9 #define ext2_set_bit_atomic(lock, nr, addr) \ argument
12 spin_lock(lock); \
14 spin_unlock(lock); \
18 #define ext2_clear_bit_atomic(lock, nr, addr) \ argument
21 spin_lock(lock); \
23 spin_unlock(lock); \
/include/acpi/platform/
Daclinuxex.h81 spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
82 if (lock) { \
83 *(__handle) = lock; \
86 lock ? AE_OK : AE_NO_MEMORY; \
92 raw_spinlock_t *lock = ACPI_ALLOCATE(sizeof(*lock)); \
93 if (lock) { \
94 *(__handle) = lock; \
97 lock ? AE_OK : AE_NO_MEMORY; \
/include/drm/
Ddrm_modeset_lock.h106 void drm_modeset_lock_init(struct drm_modeset_lock *lock);
112 static inline void drm_modeset_lock_fini(struct drm_modeset_lock *lock) in drm_modeset_lock_fini() argument
114 WARN_ON(!list_empty(&lock->head)); in drm_modeset_lock_fini()
121 static inline bool drm_modeset_is_locked(struct drm_modeset_lock *lock) in drm_modeset_is_locked() argument
123 return ww_mutex_is_locked(&lock->mutex); in drm_modeset_is_locked()
130 static inline void drm_modeset_lock_assert_held(struct drm_modeset_lock *lock) in drm_modeset_lock_assert_held() argument
132 lockdep_assert_held(&lock->mutex.base); in drm_modeset_lock_assert_held()
135 int drm_modeset_lock(struct drm_modeset_lock *lock,
137 int __must_check drm_modeset_lock_single_interruptible(struct drm_modeset_lock *lock);
138 void drm_modeset_unlock(struct drm_modeset_lock *lock);

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