| /Linux-v5.4/Documentation/i2c/ |
| D | i2c-topology.rst | 38 mux-locked or parent-locked muxes. As is evident from below, it can be
39 useful to know if a mux is mux-locked or if it is parent-locked. The
45 i2c-arb-gpio-challenge Parent-locked
46 i2c-mux-gpio Normally parent-locked, mux-locked iff
49 i2c-mux-gpmux Normally parent-locked, mux-locked iff
51 i2c-mux-ltc4306 Mux-locked
52 i2c-mux-mlxcpld Parent-locked
53 i2c-mux-pca9541 Parent-locked
54 i2c-mux-pca954x Parent-locked
55 i2c-mux-pinctrl Normally parent-locked, mux-locked iff
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| /Linux-v5.4/drivers/gpu/drm/vmwgfx/ |
| D | ttm_lock.c | 63 bool locked = false; in __ttm_read_lock() local
68 locked = true; in __ttm_read_lock()
71 return locked; in __ttm_read_lock()
86 static bool __ttm_read_trylock(struct ttm_lock *lock, bool *locked) in __ttm_read_trylock() argument
90 *locked = false; in __ttm_read_trylock()
96 *locked = true; in __ttm_read_trylock()
108 bool locked; in ttm_read_trylock() local
112 (lock->queue, __ttm_read_trylock(lock, &locked)); in ttm_read_trylock()
114 wait_event(lock->queue, __ttm_read_trylock(lock, &locked)); in ttm_read_trylock()
117 BUG_ON(locked); in ttm_read_trylock()
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| /Linux-v5.4/kernel/locking/ |
| D | qspinlock_paravirt.h | 91 (cmpxchg_acquire(&lock->locked, 0, _Q_LOCKED_VAL) == 0)) { in pv_hybrid_queued_unfair_trylock()
121 return !READ_ONCE(lock->locked) && in trylock_clear_pending()
302 if (READ_ONCE(node->locked)) in pv_wait_node()
322 if (!READ_ONCE(node->locked)) { in pv_wait_node()
343 !READ_ONCE(node->locked)); in pv_wait_node()
391 WRITE_ONCE(lock->locked, _Q_SLOW_VAL); in pv_kick_node()
456 if (xchg(&lock->locked, _Q_SLOW_VAL) == 0) { in pv_wait_head_or_lock()
462 WRITE_ONCE(lock->locked, _Q_LOCKED_VAL); in pv_wait_head_or_lock()
470 pv_wait(&lock->locked, _Q_SLOW_VAL); in pv_wait_head_or_lock()
493 __pv_queued_spin_unlock_slowpath(struct qspinlock *lock, u8 locked) in __pv_queued_spin_unlock_slowpath() argument
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| D | mcs_spinlock.h | 20 int locked; /* 1 if lock acquired */ member
70 node->locked = 0; in mcs_spin_lock()
94 arch_mcs_spin_lock_contended(&node->locked); in mcs_spin_lock()
118 arch_mcs_spin_unlock_contended(&next->locked); in mcs_spin_unlock()
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| D | osq_lock.c | 97 node->locked = 0; in osq_lock()
137 while (!READ_ONCE(node->locked)) { in osq_lock()
169 if (smp_load_acquire(&node->locked)) in osq_lock()
224 WRITE_ONCE(next->locked, 1); in osq_unlock()
230 WRITE_ONCE(next->locked, 1); in osq_unlock()
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| D | qspinlock.c | 262 WRITE_ONCE(lock->locked, _Q_LOCKED_VAL); in set_locked()
433 node->locked = 0; in queued_spin_lock_slowpath()
473 arch_mcs_spin_lock_contended(&node->locked); in queued_spin_lock_slowpath()
508 goto locked; in queued_spin_lock_slowpath()
512 locked: in queued_spin_lock_slowpath()
552 arch_mcs_spin_unlock_contended(&next->locked); in queued_spin_lock_slowpath()
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| /Linux-v5.4/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/ |
| D | locks.h | 58 bool locked; member
65 return __sync_bool_compare_and_swap(&lock->locked, false, true); in lock_impl_trylock()
68 bool old_locked = lock->locked; in lock_impl_trylock()
69 lock->locked = true; in lock_impl_trylock()
96 BUG_ON(!__sync_bool_compare_and_swap(&lock->locked, true, false)); in lock_impl_unlock()
102 bool old_locked = lock->locked; in lock_impl_unlock()
103 lock->locked = false; in lock_impl_unlock()
112 lock->locked = false; in lock_impl_init()
115 #define LOCK_IMPL_INITIALIZER {.locked = false}
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| /Linux-v5.4/scripts/coccinelle/locks/ |
| D | double_lock.cocci | 17 @locked@
42 position p1 != locked.p1;
43 position locked.p;
45 expression x <= locked.E1;
46 expression E,locked.E1;
65 expression x <= locked.E1;
66 expression locked.E1;
69 position locked.p,p1,p2;
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| D | call_kern.cocci | 39 @locked exists@
74 @depends on locked && patch@
81 @depends on locked && !patch@
90 p1 << locked.p1;
91 p2 << locked.p2;
101 p1 << locked.p1;
102 p2 << locked.p2;
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| /Linux-v5.4/drivers/media/dvb-frontends/ |
| D | lgs8gxx.c | 295 static int lgs8gxx_is_locked(struct lgs8gxx_state *priv, u8 *locked) in lgs8gxx_is_locked() argument
308 *locked = ((t & 0x80) == 0x80) ? 1 : 0; in lgs8gxx_is_locked()
310 *locked = ((t & 0xC0) == 0xC0) ? 1 : 0; in lgs8gxx_is_locked()
315 static int lgs8gxx_wait_ca_lock(struct lgs8gxx_state *priv, u8 *locked) in lgs8gxx_wait_ca_lock() argument
331 *locked = (ret == 0) ? 1 : 0; in lgs8gxx_wait_ca_lock()
359 u8 *locked) in lgs8gxx_autolock_gi() argument
384 err = lgs8gxx_wait_ca_lock(priv, locked); in lgs8gxx_autolock_gi()
385 if (err || !(*locked)) in lgs8gxx_autolock_gi()
393 *locked = 0; in lgs8gxx_autolock_gi()
403 u8 locked = 0, tmp_gi; in lgs8gxx_auto_detect() local
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| D | atbm8830.c | 147 static int is_locked(struct atbm_state *priv, u8 *locked) in is_locked() argument
153 if (locked != NULL) in is_locked()
154 *locked = (status == 1); in is_locked()
261 u8 locked = 0; in atbm8830_set_fe() local
277 is_locked(priv, &locked); in atbm8830_set_fe()
278 if (locked != 0) { in atbm8830_set_fe()
329 u8 locked = 0; in atbm8830_read_status() local
335 is_locked(priv, &locked); in atbm8830_read_status()
336 if (locked) { in atbm8830_read_status()
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| /Linux-v5.4/sound/core/seq/ |
| D | seq_queue.h | 29 unsigned int locked:1, /* timer is only accesibble by owner if set */ member
57 struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int flags);
89 int snd_seq_queue_set_owner(int queueid, int client, int locked);
90 int snd_seq_queue_set_locked(int queueid, int client, int locked);
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| D | seq_queue.c | 96 static struct snd_seq_queue *queue_new(int owner, int locked) in queue_new() argument
122 q->locked = locked; in queue_new()
168 struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int info_flags) in snd_seq_queue_alloc() argument
172 q = queue_new(client, locked); in snd_seq_queue_alloc()
342 return (q->owner == client) || (!q->locked && !q->klocked); in check_access()
392 int snd_seq_queue_set_owner(int queueid, int client, int locked) in snd_seq_queue_set_owner() argument
404 q->locked = locked ? 1 : 0; in snd_seq_queue_set_owner()
755 snd_iprintf(buffer, "lock status : %s\n", q->locked ? "Locked" : "Free"); in snd_seq_info_queues_read()
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| /Linux-v5.4/drivers/thermal/intel/ |
| D | intel_quark_dts_thermal.c | 106 bool locked; member
138 if (!aux_entry->locked) { in soc_dts_enable()
171 if (!aux_entry->locked) { in soc_dts_disable()
234 if (aux_entry->locked) { in update_trip_temp()
351 if (!aux_entry->locked) { in free_soc_dts()
387 aux_entry->locked = true; in alloc_soc_dts()
390 aux_entry->locked = false; in alloc_soc_dts()
395 if (!aux_entry->locked) { in alloc_soc_dts()
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| /Linux-v5.4/mm/ |
| D | mremap.c | 321 bool *locked, struct vm_userfaultfd_ctx *uf, in move_vma() argument
427 *locked = true; in move_vma()
476 unsigned long locked, lock_limit; in vma_to_resize() local
477 locked = mm->locked_vm << PAGE_SHIFT; in vma_to_resize()
479 locked += new_len - old_len; in vma_to_resize()
480 if (locked > lock_limit && !capable(CAP_IPC_LOCK)) in vma_to_resize()
499 unsigned long new_addr, unsigned long new_len, bool *locked, in mremap_to() argument
564 ret = move_vma(vma, addr, old_len, new_len, new_addr, locked, uf, in mremap_to()
603 bool locked = false; in SYSCALL_DEFINE5() local
637 &locked, &uf, &uf_unmap_early, &uf_unmap); in SYSCALL_DEFINE5()
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| D | frame_vector.c | 41 int locked; in get_vaddr_frames() local
52 locked = 1; in get_vaddr_frames()
76 gup_flags, (struct page **)(vec->ptrs), &locked); in get_vaddr_frames()
104 if (locked) in get_vaddr_frames()
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| D | mlock.c | 673 unsigned long locked; in do_mlock() local
687 locked = len >> PAGE_SHIFT; in do_mlock()
692 locked += current->mm->locked_vm; in do_mlock()
693 if ((locked > lock_limit) && (!capable(CAP_IPC_LOCK))) { in do_mlock()
700 locked -= count_mm_mlocked_page_nr(current->mm, in do_mlock()
705 if ((locked <= lock_limit) || capable(CAP_IPC_LOCK)) in do_mlock()
847 unsigned long lock_limit, locked; in user_shm_lock() local
850 locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; in user_shm_lock()
857 locked + user->locked_shm > lock_limit && !capable(CAP_IPC_LOCK)) in user_shm_lock()
860 user->locked_shm += locked; in user_shm_lock()
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| D | gup.c | 1004 int *locked, in __get_user_pages_locked() argument
1010 if (locked) { in __get_user_pages_locked()
1014 BUG_ON(*locked != 1); in __get_user_pages_locked()
1024 vmas, locked); in __get_user_pages_locked()
1025 if (!locked) in __get_user_pages_locked()
1030 if (!*locked) { in __get_user_pages_locked()
1041 if (*locked) { in __get_user_pages_locked()
1063 *locked = 1; in __get_user_pages_locked()
1082 if (lock_dropped && *locked) { in __get_user_pages_locked()
1088 *locked = 0; in __get_user_pages_locked()
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| /Linux-v5.4/Documentation/devicetree/bindings/i2c/ |
| D | i2c-mux-gpmux.txt | 31 - mux-locked: If present, explicitly allow unrelated I2C transactions on the
41 If mux-locked is not present, the multiplexer is assumed to be parent-locked.
44 The properties of mux-locked and parent-locked multiplexers are discussed
65 mux-locked;
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| /Linux-v5.4/drivers/vme/ |
| D | vme_bridge.h | 19 int locked; member
32 int locked; member
65 int locked; member
76 int locked; member
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| D | vme.c | 319 (slave_image->locked == 0)) { in vme_slave_request()
321 slave_image->locked = 1; in vme_slave_request()
345 slave_image->locked = 0; in vme_slave_request()
468 if (slave_image->locked == 0) in vme_slave_free()
471 slave_image->locked = 0; in vme_slave_free()
521 (master_image->locked == 0)) { in vme_master_request()
523 master_image->locked = 1; in vme_master_request()
549 master_image->locked = 0; in vme_master_request()
848 if (master_image->locked == 0) in vme_master_free()
851 master_image->locked = 0; in vme_master_free()
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| /Linux-v5.4/drivers/mfd/ |
| D | ab3100-otp.c | 51 bool locked; member
83 otp->locked = (otpp & 0x80); in ab3100_otp_read()
103 seq_printf(s, "OTP is %s\n", otp->locked ? "LOCKED" : "UNLOCKED"); in ab3100_show_otp()
157 SHOW_AB3100_ATTR(locked)
167 __ATTR(locked, S_IRUGO, ab3100_otp_locked_show, NULL),
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| /Linux-v5.4/drivers/infiniband/hw/qib/ |
| D | qib_user_pages.c | 97 unsigned long locked, lock_limit; in qib_get_user_pages() local
102 locked = atomic64_add_return(num_pages, ¤t->mm->pinned_vm); in qib_get_user_pages()
104 if (locked > lock_limit && !capable(CAP_IPC_LOCK)) { in qib_get_user_pages()
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| /Linux-v5.4/drivers/tty/ |
| D | tty_ldsem.c | 234 int locked = 0; in down_write_failed() local
265 locked = writer_trylock(sem); in down_write_failed()
266 if (locked) in down_write_failed()
270 if (!locked) in down_write_failed()
280 if (!locked && list_empty(&sem->write_wait)) in down_write_failed()
288 if (!locked) in down_write_failed()
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| /Linux-v5.4/Documentation/x86/ |
| D | resctrl_ui.rst | 118 Corresponding region is pseudo-locked. No
212 When the resource group is in pseudo-locked mode this file will
214 pseudo-locked region.
236 cache pseudo-locked region is created by first writing
238 pseudo-locked region's schemata to the resource group's "schemata"
239 file. On successful pseudo-locked region creation the mode will
240 automatically change to "pseudo-locked".
476 pseudo-locked memory is made accessible to user space where an
480 The creation of a cache pseudo-locked region is triggered by a request
482 to be pseudo-locked. The cache pseudo-locked region is created as follows:
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