| /Linux-v6.1/Documentation/i2c/ |
| D | i2c-topology.rst | 40 mux-locked or parent-locked muxes.
43 Mux-locked muxes
46 Mux-locked muxes does not lock the entire parent adapter during the
48 adapter are locked. Mux-locked muxes are mostly interesting if the
50 their tasks. Since the parent adapter is not fully locked during the
55 Mux-locked Example
62 | root |--+--| locked | '--------'
87 Mux-locked caveats
90 When using a mux-locked mux, be aware of the following restrictions:
93 If you build a topology with a mux-locked mux being the parent
[all …]
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| /Linux-v6.1/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
[all …]
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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()
143 if (smp_cond_load_relaxed(&node->locked, VAL || need_resched() || in osq_lock()
170 if (smp_load_acquire(&node->locked)) in osq_lock()
225 WRITE_ONCE(next->locked, 1); in osq_unlock()
231 WRITE_ONCE(next->locked, 1); in osq_unlock()
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| D | qspinlock.c | 264 WRITE_ONCE(lock->locked, _Q_LOCKED_VAL); in set_locked()
437 node->locked = 0; in queued_spin_lock_slowpath()
477 arch_mcs_spin_lock_contended(&node->locked); in queued_spin_lock_slowpath()
512 goto locked; in queued_spin_lock_slowpath()
516 locked: in queued_spin_lock_slowpath()
556 arch_mcs_spin_unlock_contended(&next->locked); in queued_spin_lock_slowpath()
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| /Linux-v6.1/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-v6.1/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-v6.1/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
[all …]
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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-v6.1/io_uring/ |
| D | io_uring.h | 30 int __io_run_local_work(struct io_ring_ctx *ctx, bool *locked);
59 void io_req_task_complete(struct io_kiocb *req, bool *locked);
61 void io_req_task_submit(struct io_kiocb *req, bool *locked);
67 int io_poll_issue(struct io_kiocb *req, bool *locked);
285 bool locked; in io_run_local_work_locked() local
291 locked = true; in io_run_local_work_locked()
292 ret = __io_run_local_work(ctx, &locked); in io_run_local_work_locked()
294 if (WARN_ON_ONCE(!locked)) in io_run_local_work_locked()
299 static inline void io_tw_lock(struct io_ring_ctx *ctx, bool *locked) in io_tw_lock() argument
301 if (!*locked) { in io_tw_lock()
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| D | poll.c | 148 static void io_poll_tw_hash_eject(struct io_kiocb *req, bool *locked) in io_poll_tw_hash_eject() argument
159 io_tw_lock(ctx, locked); in io_poll_tw_hash_eject()
238 static int io_poll_check_events(struct io_kiocb *req, bool *locked) in io_poll_check_events() argument
297 ret = io_poll_issue(req, locked); in io_poll_check_events()
317 static void io_poll_task_func(struct io_kiocb *req, bool *locked) in io_poll_task_func() argument
321 ret = io_poll_check_events(req, locked); in io_poll_task_func()
334 io_poll_tw_hash_eject(req, locked); in io_poll_task_func()
337 io_req_task_complete(req, locked); in io_poll_task_func()
340 static void io_apoll_task_func(struct io_kiocb *req, bool *locked) in io_apoll_task_func() argument
344 ret = io_poll_check_events(req, locked); in io_apoll_task_func()
[all …]
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| /Linux-v6.1/sound/core/seq/ |
| D | seq_queue.h | 29 bool locked; /* 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);
86 int snd_seq_queue_set_owner(int queueid, int client, int locked);
87 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()
356 return (q->owner == client) || (!q->locked && !q->klocked); in check_access()
406 int snd_seq_queue_set_owner(int queueid, int client, int locked) in snd_seq_queue_set_owner() argument
420 q->locked = locked ? 1 : 0; in snd_seq_queue_set_owner()
739 bool locked; in snd_seq_info_queues_read() local
754 locked = q->locked; in snd_seq_info_queues_read()
760 snd_iprintf(buffer, "lock status : %s\n", locked ? "Locked" : "Free"); in snd_seq_info_queues_read()
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| /Linux-v6.1/drivers/net/ethernet/intel/ice/ |
| D | ice_dcb_lib.h | 18 int ice_dcb_sw_dflt_cfg(struct ice_pf *pf, bool ets_willing, bool locked);
24 ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked);
28 int ice_init_pf_dcb(struct ice_pf *pf, bool locked);
93 ice_init_pf_dcb(struct ice_pf *pf, bool __always_unused locked) in ice_init_pf_dcb() argument
102 bool __always_unused locked) in ice_pf_dcb_cfg() argument
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| /Linux-v6.1/drivers/thermal/intel/ |
| D | intel_quark_dts_thermal.c | 103 bool locked; member
132 if (!aux_entry->locked) { in soc_dts_enable()
160 if (!aux_entry->locked) { in soc_dts_disable()
220 if (aux_entry->locked) { in update_trip_temp()
328 if (!aux_entry->locked) { in free_soc_dts()
364 aux_entry->locked = true; in alloc_soc_dts()
367 aux_entry->locked = false; in alloc_soc_dts()
372 if (!aux_entry->locked) { in alloc_soc_dts()
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| /Linux-v6.1/tools/testing/selftests/drivers/net/dsa/ |
| D | bridge_locked_port.sh | 92 bridge link set dev $swp1 locked on
102 bridge link set dev $swp1 locked off
123 bridge link set dev $swp1 locked on
132 bridge link set dev $swp1 locked off
151 bridge link set dev $swp1 locked on
160 bridge link set dev $swp1 locked off
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| /Linux-v6.1/tools/testing/selftests/net/forwarding/ |
| D | bridge_locked_port.sh | 92 bridge link set dev $swp1 locked on
102 bridge link set dev $swp1 locked off
123 bridge link set dev $swp1 locked on
132 bridge link set dev $swp1 locked off
151 bridge link set dev $swp1 locked on
160 bridge link set dev $swp1 locked off
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| /Linux-v6.1/mm/ |
| D | gup.c | 981 int *locked) in faultin_page() argument
992 if (locked) in faultin_page()
1017 if (locked) in faultin_page()
1018 *locked = 0; in faultin_page()
1038 if (locked && !(fault_flags & FAULT_FLAG_RETRY_NOWAIT)) in faultin_page()
1039 *locked = 0; in faultin_page()
1162 struct vm_area_struct **vmas, int *locked) in __get_user_pages() argument
1204 gup_flags, locked); in __get_user_pages()
1205 if (locked && *locked == 0) { in __get_user_pages()
1231 PTR_ERR(page) == -EMLINK, locked); in __get_user_pages()
[all …]
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| D | mlock.c | 569 unsigned long locked; in do_mlock() local
583 locked = len >> PAGE_SHIFT; in do_mlock()
588 locked += current->mm->locked_vm; in do_mlock()
589 if ((locked > lock_limit) && (!capable(CAP_IPC_LOCK))) { in do_mlock()
596 locked -= count_mm_mlocked_page_nr(current->mm, in do_mlock()
601 if ((locked <= lock_limit) || capable(CAP_IPC_LOCK)) in do_mlock()
745 unsigned long lock_limit, locked; in user_shm_lock() local
749 locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; in user_shm_lock()
754 memlock = inc_rlimit_ucounts(ucounts, UCOUNT_RLIMIT_MEMLOCK, locked); in user_shm_lock()
757 dec_rlimit_ucounts(ucounts, UCOUNT_RLIMIT_MEMLOCK, locked); in user_shm_lock()
[all …]
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| /Linux-v6.1/drivers/mtd/spi-nor/ |
| D | otp.c | 253 int ret, locked; in spi_nor_mtd_otp_info() local
266 locked = ops->is_locked(nor, i); in spi_nor_mtd_otp_info()
267 if (locked < 0) { in spi_nor_mtd_otp_info()
268 ret = locked; in spi_nor_mtd_otp_info()
272 buf->locked = !!locked; in spi_nor_mtd_otp_info()
289 int locked; in spi_nor_mtd_otp_range_is_locked() local
298 locked = ops->is_locked(nor, region); in spi_nor_mtd_otp_range_is_locked()
300 if (locked) in spi_nor_mtd_otp_range_is_locked()
301 return locked; in spi_nor_mtd_otp_range_is_locked()
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| /Linux-v6.1/drivers/staging/vme_user/ |
| D | vme_bridge.h | 19 int locked; member
32 int locked; member
65 int locked; member
76 int locked; member
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| /Linux-v6.1/Documentation/ABI/testing/ |
| D | sysfs-platform-intel-pmc | 15 * bit 31 - global reset is locked
20 in case the register is not locked.
21 The "global reset bit" should be locked on a production
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| /Linux-v6.1/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-v6.1/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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