| /linux/include/linux/ |
| H A D | rwlock_api_smp.h | 18 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 …]
|
| H A D | spinlock_api_up.h | 19 #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 …]
|
| H A D | spinlock.h | 72 #define LOCK_SECTION_NAME ".text..lock."KBUILD_BASENAME
101 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) argument
119 raw_spin_is_contended(lock) global() argument
121 raw_spin_is_contended(lock) global() argument
184 do_raw_spin_lock(raw_spinlock_t * lock) do_raw_spin_lock() argument
191 do_raw_spin_trylock(raw_spinlock_t * lock) do_raw_spin_trylock() argument
201 do_raw_spin_unlock(raw_spinlock_t * lock) do_raw_spin_unlock() argument
215 raw_spin_trylock(lock) global() argument
217 raw_spin_lock(lock) global() argument
220 raw_spin_lock_nested(lock,subclass) global() argument
223 raw_spin_lock_nest_lock(lock,nest_lock) global() argument
234 raw_spin_lock_nested(lock,subclass) global() argument
236 raw_spin_lock_nest_lock(lock,nest_lock) global() argument
241 raw_spin_lock_irqsave(lock,flags) global() argument
248 raw_spin_lock_irqsave_nested(lock,flags,subclass) global() argument
254 raw_spin_lock_irqsave_nested(lock,flags,subclass) global() argument
263 raw_spin_lock_irqsave(lock,flags) global() argument
269 raw_spin_lock_irqsave_nested(lock,flags,subclass) global() argument
274 raw_spin_lock_irq(lock) global() argument
275 raw_spin_lock_bh(lock) global() argument
276 raw_spin_unlock(lock) global() argument
277 raw_spin_unlock_irq(lock) global() argument
279 raw_spin_unlock_irqrestore(lock,flags) global() argument
284 raw_spin_unlock_bh(lock) global() argument
286 raw_spin_trylock_bh(lock) global() argument
289 raw_spin_trylock_irq(lock) global() argument
296 raw_spin_trylock_irqsave(lock,flags) global() argument
324 spinlock_check(spinlock_t * lock) spinlock_check() argument
331 spin_lock_init(lock) global() argument
349 spin_lock(spinlock_t * lock) spin_lock() argument
354 spin_lock_bh(spinlock_t * lock) spin_lock_bh() argument
359 spin_trylock(spinlock_t * lock) spin_trylock() argument
364 spin_lock_nested(lock,subclass) global() argument
369 spin_lock_nest_lock(lock,nest_lock) global() argument
374 spin_lock_irq(spinlock_t * lock) spin_lock_irq() argument
379 spin_lock_irqsave(lock,flags) global() argument
384 spin_lock_irqsave_nested(lock,flags,subclass) global() argument
389 spin_unlock(spinlock_t * lock) spin_unlock() argument
394 spin_unlock_bh(spinlock_t * lock) spin_unlock_bh() argument
399 spin_unlock_irq(spinlock_t * lock) spin_unlock_irq() argument
404 spin_unlock_irqrestore(spinlock_t * lock,unsigned long flags) spin_unlock_irqrestore() argument
409 spin_trylock_bh(spinlock_t * lock) spin_trylock_bh() argument
414 spin_trylock_irq(spinlock_t * lock) spin_trylock_irq() argument
419 spin_trylock_irqsave(lock,flags) global() argument
442 spin_is_locked(spinlock_t * lock) spin_is_locked() argument
447 spin_is_contended(spinlock_t * lock) spin_is_contended() argument
452 assert_spin_locked(lock) global() argument
463 spin_needbreak(spinlock_t * lock) spin_needbreak() argument
479 rwlock_needbreak(rwlock_t * lock) rwlock_needbreak() argument
501 atomic_dec_and_lock(atomic,lock) global() argument
506 atomic_dec_and_lock_irqsave(atomic,lock,flags) global() argument
510 atomic_dec_and_raw_lock(atomic,lock) global() argument
515 atomic_dec_and_raw_lock_irqsave(atomic,lock,flags) global() argument
[all...] |
| H A D | rwlock.h | 18 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 …]
|
| H A D | spinlock_api_smp.h | 22 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 …]
|
| H A D | spinlock_up.h | 29 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
[all …]
|
| H A D | seqlock.h | 127 __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 …]
|
| /linux/kernel/locking/ |
| H A D | ww_mutex.h | 9 __ww_waiter_first(struct mutex *lock) in __ww_waiter_first() argument
13 w = list_first_entry(&lock->wait_list, struct mutex_waiter, list); in __ww_waiter_first()
14 if (list_entry_is_head(w, &lock->wait_list, list)) in __ww_waiter_first()
21 __ww_waiter_next(struct mutex *lock, struct mutex_waiter *w) in __ww_waiter_next() argument
24 if (list_entry_is_head(w, &lock->wait_list, list)) in __ww_waiter_next()
31 __ww_waiter_prev(struct mutex *lock, struct mutex_waiter *w) in __ww_waiter_prev() argument
34 if (list_entry_is_head(w, &lock->wait_list, list)) in __ww_waiter_prev()
41 __ww_waiter_last(struct mutex *lock) in __ww_waiter_last() argument
45 w = list_last_entry(&lock->wait_list, struct mutex_waiter, list); in __ww_waiter_last()
46 if (list_entry_is_head(w, &lock->wait_list, list)) in __ww_waiter_last()
[all …]
|
| H A D | qspinlock_paravirt.h | 81 static inline bool pv_hybrid_queued_unfair_trylock(struct qspinlock *lock) in pv_hybrid_queued_unfair_trylock() argument
88 int val = atomic_read(&lock->val); in pv_hybrid_queued_unfair_trylock()
92 try_cmpxchg_acquire(&lock->locked, &old, _Q_LOCKED_VAL)) { in pv_hybrid_queued_unfair_trylock()
110 static __always_inline void set_pending(struct qspinlock *lock) in set_pending() argument
112 WRITE_ONCE(lock->pending, 1); in set_pending()
120 static __always_inline bool trylock_clear_pending(struct qspinlock *lock) in trylock_clear_pending() argument
124 return !READ_ONCE(lock->locked) && in trylock_clear_pending()
125 try_cmpxchg_acquire(&lock->locked_pending, &old, _Q_LOCKED_VAL); in trylock_clear_pending()
128 static __always_inline void set_pending(struct qspinlock *lock) in set_pending() argument
130 atomic_or(_Q_PENDING_VAL, &lock->val); in set_pending()
[all …]
|
| H A D | qspinlock.c | 25 #include <trace/events/lock.h>
36 * MCS lock. A copy of the original MCS lock paper ("Algorithms for Scalable
42 * This queued spinlock implementation is based on the MCS lock, however to
46 * In particular; where the traditional MCS lock consists of a tail pointer
55 * number. With one byte for the lock value and 3 bytes for the tail, only a
56 * 32-bit word is now needed. Even though we only need 1 bit for the lock,
60 * We also change the first spinner to spin on the lock bit instead of its
61 * node; whereby avoiding the need to carry a node from lock to unlock, and
62 * preserving existing lock AP
149 clear_pending(struct qspinlock * lock) clear_pending() argument
162 clear_pending_set_locked(struct qspinlock * lock) clear_pending_set_locked() argument
177 xchg_tail(struct qspinlock * lock,u32 tail) xchg_tail() argument
195 clear_pending(struct qspinlock * lock) clear_pending() argument
206 clear_pending_set_locked(struct qspinlock * lock) clear_pending_set_locked() argument
221 xchg_tail(struct qspinlock * lock,u32 tail) xchg_tail() argument
247 queued_fetch_set_pending_acquire(struct qspinlock * lock) queued_fetch_set_pending_acquire() argument
259 set_locked(struct qspinlock * lock) set_locked() argument
273 __pv_kick_node(struct qspinlock * lock,struct mcs_spinlock * node) __pv_kick_node() argument
275 __pv_wait_head_or_lock(struct qspinlock * lock,struct mcs_spinlock * node) __pv_wait_head_or_lock() argument
313 queued_spin_lock_slowpath(struct qspinlock * lock,u32 val) queued_spin_lock_slowpath() argument
[all...] |
| /linux/arch/alpha/include/asm/ |
| H A D | spinlock.h | 17 #define arch_spin_is_locked(x) ((x)->lock != 0)
19 static inline int arch_spin_value_unlocked(arch_spinlock_t lock) in arch_spin_value_unlocked() argument
21 return lock.lock == 0; in arch_spin_value_unlocked()
24 static inline void arch_spin_unlock(arch_spinlock_t * lock) in arch_spin_unlock() argument
27 lock->lock = 0; in arch_spin_unlock()
30 static inline void arch_spin_lock(arch_spinlock_t * lock) in arch_spin_lock() argument
46 : "=&r" (tmp), "=m" (lock->lock) in arch_spin_lock()
47 : "m"(lock->lock) : "memory"); in arch_spin_lock()
50 static inline int arch_spin_trylock(arch_spinlock_t *lock) in arch_spin_trylock() argument
52 return !test_and_set_bit(0, &lock->lock); in arch_spin_trylock()
[all …]
|
| /linux/drivers/md/persistent-data/ |
| H A D | dm-block-manager.c | 45 spinlock_t lock; member
61 static unsigned int __find_holder(struct block_lock *lock, in __find_holder() argument
67 if (lock->holders[i] == task) in __find_holder()
75 static void __add_holder(struct block_lock *lock, struct task_struct *task) in __add_holder() argument
77 unsigned int h = __find_holder(lock, NULL); in __add_holder()
83 lock->holders[h] = task; in __add_holder()
86 t = lock->traces + h; in __add_holder()
92 static void __del_holder(struct block_lock *lock, struct task_struct *task) in __del_holder() argument
94 unsigned int h = __find_holder(lock, task); in __del_holder()
96 lock->holders[h] = NULL; in __del_holder()
[all …]
|
| /linux/fs/ocfs2/dlm/ |
| H A D | dlmast.c | 35 struct dlm_lock *lock);
36 static int dlm_should_cancel_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock);
47 static int dlm_should_cancel_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock) in dlm_should_cancel_bast() argument
50 assert_spin_locked(&lock->spinlock); in dlm_should_cancel_bast()
52 if (lock->ml.highest_blocked == LKM_IVMODE) in dlm_should_cancel_bast()
54 BUG_ON(lock->ml.highest_blocked == LKM_NLMODE); in dlm_should_cancel_bast()
56 if (lock->bast_pending && in dlm_should_cancel_bast()
57 list_empty(&lock->bast_list)) in dlm_should_cancel_bast()
61 if (lock->ml.type == LKM_EXMODE) in dlm_should_cancel_bast()
64 else if (lock->ml.type == LKM_NLMODE) in dlm_should_cancel_bast()
[all …]
|
| H A D | dlmlock.c | 45 struct dlm_lock *lock, int flags);
49 static void dlm_lock_detach_lockres(struct dlm_lock *lock);
74 struct dlm_lock *lock) in dlm_can_grant_new_lock() argument
79 if (!dlm_lock_compatible(tmplock->ml.type, lock->ml.type)) in dlm_can_grant_new_lock()
84 if (!dlm_lock_compatible(tmplock->ml.type, lock->ml.type)) in dlm_can_grant_new_lock()
87 lock->ml.type)) in dlm_can_grant_new_lock()
103 struct dlm_lock *lock, int flags) in dlmlock_master() argument
108 mlog(0, "type=%d\n", lock->ml.type); in dlmlock_master()
115 lock->ml.node != dlm->node_num) { in dlmlock_master()
124 if (dlm_can_grant_new_lock(res, lock)) { in dlmlock_master()
[all …]
|
| H A D | dlmconvert.c | 43 struct dlm_lock *lock, int flags,
48 struct dlm_lock *lock, int flags, int type);
61 struct dlm_lock *lock, int flags, int type) in dlmconvert_master() argument
72 status = __dlmconvert_master(dlm, res, lock, flags, type, in dlmconvert_master()
83 dlm_queue_ast(dlm, lock); in dlmconvert_master()
104 struct dlm_lock *lock, int flags, in __dlmconvert_master() argument
114 lock->ml.type, lock->ml.convert_type, type); in __dlmconvert_master()
116 spin_lock(&lock->spinlock); in __dlmconvert_master()
119 if (lock->ml.convert_type != LKM_IVMODE) { in __dlmconvert_master()
127 if (!dlm_lock_on_list(&res->granted, lock)) { in __dlmconvert_master()
[all …]
|
| H A D | dlmunlock.c | 43 struct dlm_lock *lock,
48 struct dlm_lock *lock,
54 struct dlm_lock *lock,
83 struct dlm_lock *lock, in dlmunlock_common() argument
105 in_use = !list_empty(&lock->ast_list); in dlmunlock_common()
125 spin_lock(&lock->spinlock); in dlmunlock_common()
140 status = dlm_get_cancel_actions(dlm, res, lock, lksb, &actions); in dlmunlock_common()
142 status = dlm_get_unlock_actions(dlm, res, lock, lksb, &actions); in dlmunlock_common()
161 lock->cancel_pending = 1; in dlmunlock_common()
163 lock->unlock_pending = 1; in dlmunlock_common()
[all …]
|
| /linux/arch/hexagon/include/asm/ |
| H A D | spinlock.h | 28 static inline void arch_read_lock(arch_rwlock_t *lock) in arch_read_lock() argument
37 : "r" (&lock->lock) in arch_read_lock()
43 static inline void arch_read_unlock(arch_rwlock_t *lock) in arch_read_unlock() argument
51 : "r" (&lock->lock) in arch_read_unlock()
58 static inline int arch_read_trylock(arch_rwlock_t *lock) in arch_read_trylock() argument
69 : "r" (&lock->lock) in arch_read_trylock()
76 static inline void arch_write_lock(arch_rwlock_t *lock) in arch_write_lock() argument
85 : "r" (&lock->lock) in arch_write_lock()
91 static inline int arch_write_trylock(arch_rwlock_t *lock) in arch_write_trylock() argument
102 : "r" (&lock->lock) in arch_write_trylock()
[all …]
|
| /linux/arch/powerpc/include/asm/ |
| H A D | simple_spinlock.h | 35 static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock) in arch_spin_value_unlocked() argument
37 return lock.slock == 0; in arch_spin_value_unlocked()
40 static inline int arch_spin_is_locked(arch_spinlock_t *lock) in arch_spin_is_locked() argument
42 return !arch_spin_value_unlocked(READ_ONCE(*lock)); in arch_spin_is_locked()
49 static inline unsigned long __arch_spin_trylock(arch_spinlock_t *lock) in __arch_spin_trylock() argument
64 : "r" (token), "r" (&lock->slock), [eh] "n" (eh) in __arch_spin_trylock()
70 static inline int arch_spin_trylock(arch_spinlock_t *lock) in arch_spin_trylock() argument
72 return __arch_spin_trylock(lock) == 0; in arch_spin_trylock()
91 void splpar_spin_yield(arch_spinlock_t *lock);
92 void splpar_rw_yield(arch_rwlock_t *lock);
[all …]
|
| /linux/drivers/acpi/acpica/ |
| H A D | utlock.c | 28 acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock) in acpi_ut_create_rw_lock() argument
32 lock->num_readers = 0; in acpi_ut_create_rw_lock()
33 status = acpi_os_create_mutex(&lock->reader_mutex); in acpi_ut_create_rw_lock()
38 status = acpi_os_create_mutex(&lock->writer_mutex); in acpi_ut_create_rw_lock()
42 void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock) in acpi_ut_delete_rw_lock() argument
45 acpi_os_delete_mutex(lock->reader_mutex); in acpi_ut_delete_rw_lock()
46 acpi_os_delete_mutex(lock->writer_mutex); in acpi_ut_delete_rw_lock()
48 lock->num_readers = 0; in acpi_ut_delete_rw_lock()
49 lock->reader_mutex = NULL; in acpi_ut_delete_rw_lock()
50 lock->writer_mutex = NULL; in acpi_ut_delete_rw_lock()
[all …]
|
| /linux/tools/testing/selftests/bpf/progs/ |
| H A D | linked_list.c | 12 struct bpf_spin_lock lock; member
28 int list_push_pop(struct bpf_spin_lock *lock, struct bpf_list_head *head, bool leave_in_map) in list_push_pop() argument
37 bpf_spin_lock(lock); in list_push_pop()
39 bpf_spin_unlock(lock); in list_push_pop()
46 bpf_spin_lock(lock); in list_push_pop()
48 bpf_spin_unlock(lock); in list_push_pop()
56 bpf_spin_lock(lock); in list_push_pop()
59 bpf_spin_unlock(lock); in list_push_pop()
62 bpf_spin_lock(lock); in list_push_pop()
64 bpf_spin_unlock(lock); in list_push_pop()
[all …]
|
| /linux/drivers/md/dm-vdo/ |
| H A D | dedupe.c | 283 spinlock_t lock; member
342 static void return_hash_lock_to_pool(struct hash_zone *zone, struct hash_lock *lock) in return_hash_lock_to_pool() argument
344 memset(lock, 0, sizeof(*lock)); in return_hash_lock_to_pool()
345 INIT_LIST_HEAD(&lock->pool_node); in return_hash_lock_to_pool()
346 INIT_LIST_HEAD(&lock->duplicate_vios); in return_hash_lock_to_pool()
347 vdo_waitq_init(&lock->waiters); in return_hash_lock_to_pool()
348 list_add_tail(&lock->pool_node, &zone->lock_pool); in return_hash_lock_to_pool()
372 static inline u64 hash_lock_key(struct hash_lock *lock) in hash_lock_key() argument
374 return get_unaligned_le64(&lock->hash.name); in hash_lock_key()
424 static inline struct data_vio *dequeue_lock_waiter(struct hash_lock *lock) in dequeue_lock_waiter() argument
[all …]
|
| H A D | physical-zone.c | 54 static inline bool has_lock_type(const struct pbn_lock *lock, enum pbn_lock_type type) in has_lock_type() argument
56 return (lock->implementation == &LOCK_IMPLEMENTATIONS[type]); in has_lock_type()
65 bool vdo_is_pbn_read_lock(const struct pbn_lock *lock) in vdo_is_pbn_read_lock() argument
67 return has_lock_type(lock, VIO_READ_LOCK); in vdo_is_pbn_read_lock()
70 static inline void set_pbn_lock_type(struct pbn_lock *lock, enum pbn_lock_type type) in set_pbn_lock_type() argument
72 lock->implementation = &LOCK_IMPLEMENTATIONS[type]; in set_pbn_lock_type()
82 void vdo_downgrade_pbn_write_lock(struct pbn_lock *lock, bool compressed_write) in vdo_downgrade_pbn_write_lock() argument
84 VDO_ASSERT_LOG_ONLY(!vdo_is_pbn_read_lock(lock), in vdo_downgrade_pbn_write_lock()
86 VDO_ASSERT_LOG_ONLY(!has_lock_type(lock, VIO_BLOCK_MAP_WRITE_LOCK), in vdo_downgrade_pbn_write_lock()
88 VDO_ASSERT_LOG_ONLY(lock->holder_count == 1, in vdo_downgrade_pbn_write_lock()
[all …]
|
| /linux/include/trace/events/ |
| H A D | lock.h | 3 #define TRACE_SYSTEM lock
11 /* flags for lock:contention_begin */
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
[all...] |
| /linux/arch/arm/include/asm/ |
| H A D | spinlock.h | 56 static inline void arch_spin_lock(arch_spinlock_t *lock) in arch_spin_lock() argument
62 prefetchw(&lock->slock); in arch_spin_lock()
70 : "r" (&lock->slock), "I" (1 << TICKET_SHIFT) in arch_spin_lock()
75 lockval.tickets.owner = READ_ONCE(lock->tickets.owner); in arch_spin_lock()
81 static inline int arch_spin_trylock(arch_spinlock_t *lock) in arch_spin_trylock() argument
86 prefetchw(&lock->slock); in arch_spin_trylock()
95 : "r" (&lock->slock), "I" (1 << TICKET_SHIFT) in arch_spin_trylock()
107 static inline void arch_spin_unlock(arch_spinlock_t *lock) in arch_spin_unlock() argument
110 lock->tickets.owner++; in arch_spin_unlock()
114 static inline int arch_spin_value_unlocked(arch_spinlock_t lock) in arch_spin_value_unlocked() argument
[all …]
|
| /linux/tools/perf/tests/shell/ |
| H A D | lock_contention.sh | 36 if ! perf list tracepoint | grep -q lock:contention_begin; then
53 perf lock record -o ${perfdata} -- perf bench sched messaging -p > /dev/null 2>&1
55 perf lock contention -i ${perfdata} -E 1 -q 2> ${result}
67 if ! perf lock con -b true > /dev/null 2>&1 ; then
73 perf lock con -a -b -E 1 -q -- perf bench sched messaging -p > /dev/null 2> ${result}
84 perf lock record -o- -- perf bench sched messaging -p 2> ${errout} | \
85 perf lock contention -i- -E 1 -q 2> ${result}
98 perf lock contention -i ${perfdata} -t -E 1 -q 2> ${result}
105 if ! perf lock con -b true > /dev/null 2>&1 ; then
110 perf lock con -a -b -t -E 1 -q -- perf bench sched messaging -p > /dev/null 2> ${result}
[all …]
|