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/include/linux/
A Dspinlock_api_up.h28 do { __acquire(lock); (void)(lock); } while (0)
43 do { __release(lock); (void)(lock); } while (0)
58 #define _raw_spin_lock(lock) __LOCK(lock) argument
60 #define _raw_read_lock(lock) __LOCK(lock) argument
61 #define _raw_write_lock(lock) __LOCK(lock) argument
63 #define _raw_spin_lock_bh(lock) __LOCK_BH(lock) argument
64 #define _raw_read_lock_bh(lock) __LOCK_BH(lock) argument
65 #define _raw_write_lock_bh(lock) __LOCK_BH(lock) argument
76 #define _raw_spin_unlock(lock) __UNLOCK(lock) argument
77 #define _raw_read_unlock(lock) __UNLOCK(lock) argument
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A Drwlock.h24 __rwlock_init((lock), #lock, &__key); \
28 do { *(lock) = __RW_LOCK_UNLOCKED(lock); } while (0)
52 #define read_trylock(lock) __cond_lock(lock, _raw_read_trylock(lock)) argument
53 #define write_trylock(lock) __cond_lock(lock, _raw_write_trylock(lock)) argument
55 #define write_lock(lock) _raw_write_lock(lock) argument
56 #define read_lock(lock) _raw_read_lock(lock) argument
92 #define read_lock_irq(lock) _raw_read_lock_irq(lock) argument
93 #define read_lock_bh(lock) _raw_read_lock_bh(lock) argument
96 #define read_unlock(lock) _raw_read_unlock(lock) argument
97 #define write_unlock(lock) _raw_write_unlock(lock) argument
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A 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);
45 #define _raw_read_lock(lock) __raw_read_lock(lock) argument
49 #define _raw_write_lock(lock) __raw_write_lock(lock) argument
53 #define _raw_read_lock_bh(lock) __raw_read_lock_bh(lock) argument
57 #define _raw_write_lock_bh(lock) __raw_write_lock_bh(lock) argument
61 #define _raw_read_lock_irq(lock) __raw_read_lock_irq(lock) argument
77 #define _raw_read_trylock(lock) __raw_read_trylock(lock) argument
81 #define _raw_write_trylock(lock) __raw_write_trylock(lock) argument
85 #define _raw_read_unlock(lock) __raw_read_unlock(lock) argument
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A Dspinlock.h108 __raw_spin_lock_init((lock), #lock, &__key, LD_WAIT_SPIN); \
113 do { *(lock) = __RAW_SPIN_LOCK_UNLOCKED(lock); } while (0)
121 #define raw_spin_is_contended(lock) (((void)(lock), 0)) argument
215 #define raw_spin_trylock(lock) __cond_lock(lock, _raw_spin_trylock(lock)) argument
217 #define raw_spin_lock(lock) _raw_spin_lock(lock) argument
274 #define raw_spin_lock_irq(lock) _raw_spin_lock_irq(lock) argument
275 #define raw_spin_lock_bh(lock) _raw_spin_lock_bh(lock) argument
276 #define raw_spin_unlock(lock) _raw_spin_unlock(lock) argument
284 #define raw_spin_unlock_bh(lock) _raw_spin_unlock_bh(lock) argument
287 __cond_lock(lock, _raw_spin_trylock_bh(lock))
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A Dspinlock_api_smp.h22 void __lockfunc _raw_spin_lock(raw_spinlock_t *lock) __acquires(lock);
28 void __lockfunc _raw_spin_lock_bh(raw_spinlock_t *lock) __acquires(lock);
47 #define _raw_spin_lock(lock) __raw_spin_lock(lock) argument
51 #define _raw_spin_lock_bh(lock) __raw_spin_lock_bh(lock) argument
55 #define _raw_spin_lock_irq(lock) __raw_spin_lock_irq(lock) argument
59 #define _raw_spin_lock_irqsave(lock) __raw_spin_lock_irqsave(lock) argument
63 #define _raw_spin_trylock(lock) __raw_spin_trylock(lock) argument
67 #define _raw_spin_trylock_bh(lock) __raw_spin_trylock_bh(lock) argument
71 #define _raw_spin_unlock(lock) __raw_spin_unlock(lock) argument
75 #define _raw_spin_unlock_bh(lock) __raw_spin_unlock_bh(lock) argument
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A Dspinlock_rt.h34 extern void rt_spin_lock(spinlock_t *lock) __acquires(lock);
37 extern void rt_spin_unlock(spinlock_t *lock) __releases(lock);
44 rt_spin_lock(lock); in spin_lock()
88 rt_spin_lock(lock); in spin_lock_bh()
93 rt_spin_lock(lock); in spin_lock_irq()
126 __cond_lock(lock, rt_spin_trylock(lock))
129 __cond_lock(lock, rt_spin_trylock_bh(lock))
132 __cond_lock(lock, rt_spin_trylock(lock))
144 #define spin_is_contended(lock) (((void)(lock), 0)) argument
148 return rt_mutex_base_is_locked(&lock->lock); in spin_is_locked()
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A Dspinlock_up.h31 lock->slock = 0; in arch_spin_lock()
39 lock->slock = 0; in arch_spin_trylock()
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
57 #define arch_write_trylock(lock) ({ barrier(); (void)(lock); 1; }) argument
62 #define arch_spin_is_locked(lock) ((void)(lock), 0) argument
64 # define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0) argument
66 # define arch_spin_trylock(lock) ({ barrier(); (void)(lock); 1; }) argument
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A Dmutex.h168 #define mutex_lock(lock) mutex_lock_nested(lock, 0) argument
169 #define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0) argument
170 #define mutex_lock_killable(lock) _mutex_lock_killable(lock, 0, NULL) argument
171 #define mutex_lock_io(lock) mutex_lock_io_nested(lock, 0) argument
194 # define mutex_lock_nested(lock, subclass) mutex_lock(lock) argument
196 # define mutex_lock_killable_nested(lock, subclass) mutex_lock_killable(lock) argument
197 # define mutex_lock_killable_nest_lock(lock, nest_lock) mutex_lock_killable(lock) argument
198 # define mutex_lock_nest_lock(lock, nest_lock) mutex_lock(lock) argument
199 # define mutex_lock_io_nested(lock, subclass) mutex_lock_io(lock) argument
218 #define mutex_trylock(lock) _mutex_trylock_nest_lock(lock, NULL) argument
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A Dlocal_lock_internal.h77 debug_check_no_locks_freed((void *)lock, sizeof(*lock));\
78 lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, \
84 #define __local_trylock_init(lock) __local_lock_init(lock.llock) argument
90 debug_check_no_locks_freed((void *)lock, sizeof(*lock));\
91 lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, \
104 _Generic((lock), \
136 tl = (lock); \
153 tl = (lock); \
233 #define __local_lock_irq(lock) __local_lock(lock) argument
248 #define __local_unlock_irq(lock) __local_unlock(lock) argument
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A Dlocal_lock.h10 #define local_lock_init(lock) __local_lock_init(lock) argument
16 #define local_lock(lock) __local_lock(this_cpu_ptr(lock)) argument
22 #define local_lock_irq(lock) __local_lock_irq(this_cpu_ptr(lock)) argument
30 #define local_lock_irqsave(lock, flags) \ argument
31 __local_lock_irqsave(this_cpu_ptr(lock), flags)
37 #define local_unlock(lock) __local_unlock(this_cpu_ptr(lock)) argument
43 #define local_unlock_irq(lock) __local_unlock_irq(this_cpu_ptr(lock)) argument
57 #define local_trylock_init(lock) __local_trylock_init(lock) argument
67 #define local_trylock(lock) __local_trylock(this_cpu_ptr(lock)) argument
79 #define local_trylock_irqsave(lock, flags) \ argument
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A Drtmutex.h44 return READ_ONCE(lock->owner) != NULL; in rt_mutex_base_is_locked()
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
113 #define rt_mutex_lock_nest_lock(lock, nest_lock) rt_mutex_lock(lock) argument
116 extern int rt_mutex_lock_interruptible(struct rt_mutex *lock);
117 extern int rt_mutex_lock_killable(struct rt_mutex *lock);
118 extern int rt_mutex_trylock(struct rt_mutex *lock);
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A Dlockdep.h176 lockdep_init_map_type(&(lock)->dep_map, (lock)->dep_map.name, (lock)->dep_map.key, sub,\
190 lockdep_set_class_and_name(lock, &__lockdep_no_validate__, #lock)
200 lockdep_set_class_and_name(lock, &__lockdep_no_track__, #lock)
205 #define lockdep_match_class(lock, key) lockdep_match_key(&(lock)->dep_map, key) argument
210 return lock->key == key; in lockdep_match_key()
252 #define lockdep_is_held(lock) lock_is_held(&(lock)->dep_map) argument
253 #define lockdep_is_held_type(lock, r) lock_is_held_type(&(lock)->dep_map, (r)) argument
265 lock_set_class(lock, lock->name, lock->key, subclass, ip); in lock_set_subclass()
445 lock(_lock); \
468 lock(_lock)
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A Dseqlock.h131 #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
243 #define SEQCNT_RAW_SPINLOCK_ZERO(name, lock) SEQCOUNT_LOCKNAME_ZERO(name, lock) argument
244 #define SEQCNT_SPINLOCK_ZERO(name, lock) SEQCOUNT_LOCKNAME_ZERO(name, lock) argument
245 #define SEQCNT_RWLOCK_ZERO(name, lock) SEQCOUNT_LOCKNAME_ZERO(name, lock) argument
246 #define SEQCNT_MUTEX_ZERO(name, lock) SEQCOUNT_LOCKNAME_ZERO(name, lock) argument
247 #define SEQCNT_WW_MUTEX_ZERO(name, lock) SEQCOUNT_LOCKNAME_ZERO(name, lock) argument
876 spin_lock(&sl->lock); in write_seqlock()
890 spin_unlock(&sl->lock); in write_sequnlock()
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A 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()
A 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
A Dww_mutex.h108 static inline void ww_mutex_init(struct ww_mutex *lock, in ww_mutex_init() argument
112 lock->ctx = NULL; in ww_mutex_init()
114 lock->ww_class = ww_class; in ww_mutex_init()
313 ret = ww_mutex_lock(lock, ctx); in ww_mutex_lock_slow()
343 ww_mutex_lock_slow_interruptible(struct ww_mutex *lock, in ww_mutex_lock_slow_interruptible() argument
349 return ww_mutex_lock_interruptible(lock, ctx); in ww_mutex_lock_slow_interruptible()
352 extern void ww_mutex_unlock(struct ww_mutex *lock);
365 static inline void ww_mutex_destroy(struct ww_mutex *lock) in ww_mutex_destroy() argument
368 mutex_destroy(&lock->base); in ww_mutex_destroy()
378 static inline bool ww_mutex_is_locked(struct ww_mutex *lock) in ww_mutex_is_locked() argument
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/include/asm-generic/
A Dqrwlock.h44 static inline int queued_read_trylock(struct qrwlock *lock) in queued_read_trylock() argument
48 cnts = atomic_read(&lock->cnts); in queued_read_trylock()
53 atomic_sub(_QR_BIAS, &lock->cnts); in queued_read_trylock()
67 cnts = atomic_read(&lock->cnts); in queued_write_trylock()
78 static inline void queued_read_lock(struct qrwlock *lock) in queued_read_lock() argument
82 cnts = atomic_add_return_acquire(_QR_BIAS, &lock->cnts); in queued_read_lock()
87 queued_read_lock_slowpath(lock); in queued_read_lock()
101 queued_write_lock_slowpath(lock); in queued_write_lock()
113 (void)atomic_sub_return_release(_QR_BIAS, &lock->cnts); in queued_read_unlock()
122 smp_store_release(&lock->wlocked, 0); in queued_write_unlock()
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A Drqspinlock.h40 extern int resilient_tas_spin_lock(rqspinlock_t *lock);
179 grab_held_lock_entry(lock); in res_spin_lock()
187 #define res_spin_lock(lock) resilient_tas_spin_lock(lock) argument
216 smp_store_release(&lock->locked, 0); in res_spin_unlock()
221 #define raw_res_spin_lock_init(lock) ({ *(lock) = (rqspinlock_t)__ARCH_SPIN_LOCK_UNLOCKED; }) argument
223 #define raw_res_spin_lock_init(lock) ({ *(lock) = (rqspinlock_t){0}; }) argument
230 __ret = res_spin_lock(lock); \
236 #define raw_res_spin_unlock(lock) ({ res_spin_unlock(lock); preempt_enable(); }) argument
238 #define raw_res_spin_lock_irqsave(lock, flags) \ argument
242 __ret = raw_res_spin_lock(lock); \
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A 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()
73 return !lock.val.counter; in queued_spin_value_unlocked()
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()
107 static __always_inline void queued_spin_lock(struct qspinlock *lock) in queued_spin_lock() argument
114 queued_spin_lock_slowpath(lock, val); in queued_spin_lock()
123 static __always_inline void queued_spin_unlock(struct qspinlock *lock) in queued_spin_unlock() argument
128 smp_store_release(&lock->locked, 0); in queued_spin_unlock()
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A Dticket_spinlock.h33 static __always_inline void ticket_spin_lock(arch_spinlock_t *lock) in ticket_spin_lock() argument
35 u32 val = atomic_fetch_add(1<<16, &lock->val); in ticket_spin_lock()
49 atomic_cond_read_acquire(&lock->val, ticket == (u16)VAL); in ticket_spin_lock()
53 static __always_inline bool ticket_spin_trylock(arch_spinlock_t *lock) in ticket_spin_trylock() argument
55 u32 old = atomic_read(&lock->val); in ticket_spin_trylock()
63 static __always_inline void ticket_spin_unlock(arch_spinlock_t *lock) in ticket_spin_unlock() argument
65 u16 *ptr = (u16 *)lock + IS_ENABLED(CONFIG_CPU_BIG_ENDIAN); in ticket_spin_unlock()
66 u32 val = atomic_read(&lock->val); in ticket_spin_unlock()
73 u32 val = lock.val.counter; in ticket_spin_value_unlocked()
80 arch_spinlock_t val = READ_ONCE(*lock); in ticket_spin_is_locked()
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/include/trace/events/
A Dlock.h3 #define TRACE_SYSTEM lock
34 __string(name, lock->name)
50 DECLARE_EVENT_CLASS(lock,
54 TP_ARGS(lock, ip),
73 TP_ARGS(lock, ip)
82 TP_ARGS(lock, ip)
89 TP_ARGS(lock, ip)
99 TP_ARGS(lock, flags),
107 __entry->lock_addr = lock;
126 TP_ARGS(lock, ret),
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/include/asm-generic/bitops/
A 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/
A 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/
A 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);
/include/linux/sched/
A Dwake_q.h68 void raw_spin_unlock_wake(raw_spinlock_t *lock, struct wake_q_head *wake_q) in raw_spin_unlock_wake() argument
71 raw_spin_unlock(lock); in raw_spin_unlock_wake()
79 void raw_spin_unlock_irq_wake(raw_spinlock_t *lock, struct wake_q_head *wake_q) in raw_spin_unlock_irq_wake() argument
82 raw_spin_unlock_irq(lock); in raw_spin_unlock_irq_wake()
90 void raw_spin_unlock_irqrestore_wake(raw_spinlock_t *lock, unsigned long flags, in raw_spin_unlock_irqrestore_wake() argument
94 raw_spin_unlock_irqrestore(lock, flags); in raw_spin_unlock_irqrestore_wake()

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