| /linux/Documentation/i2c/ |
| H A 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/kernel/locking/ |
| H A D | qspinlock_paravirt.h | 92 try_cmpxchg_acquire(&lock->locked, &old, _Q_LOCKED_VAL)) { in pv_hybrid_queued_unfair_trylock() 124 return !READ_ONCE(lock->locked) && in trylock_clear_pending() 299 if (READ_ONCE(node->locked)) in pv_wait_node() 319 if (!READ_ONCE(node->locked)) { in pv_wait_node() 340 !READ_ONCE(node->locked)); in pv_wait_node() 387 WRITE_ONCE(lock->locked, _Q_SLOW_VAL); in pv_kick_node() 452 if (xchg(&lock->locked, _Q_SLOW_VAL) == 0) { in pv_wait_head_or_lock() 458 WRITE_ONCE(lock->locked, _Q_LOCKED_VAL); in pv_wait_head_or_lock() 466 pv_wait(&lock->locked, _Q_SLOW_VAL); in pv_wait_head_or_lock() 499 __pv_queued_spin_unlock_slowpath(struct qspinlock *lock, u8 locked) in __pv_queued_spin_unlock_slowpath() argument [all …]
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| H A D | osq_lock.c | 17 int locked; /* 1 if lock acquired */ member 100 node->locked = 0; in osq_lock() 146 if (smp_cond_load_relaxed(&node->locked, VAL || need_resched() || in osq_lock() 173 if (smp_load_acquire(&node->locked)) in osq_lock() 227 WRITE_ONCE(next->locked, 1); in osq_unlock() 233 WRITE_ONCE(next->locked, 1); in osq_unlock()
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| H A D | qspinlock.c | 197 smp_cond_load_acquire(&lock->locked, !VAL); in queued_spin_lock_slowpath() 251 node->locked = 0; in queued_spin_lock_slowpath() 291 arch_mcs_spin_lock_contended(&node->locked); in queued_spin_lock_slowpath() 326 goto locked; in queued_spin_lock_slowpath() 330 locked: in queued_spin_lock_slowpath() 370 arch_mcs_spin_unlock_contended(&next->locked); in queued_spin_lock_slowpath()
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| H A D | mcs_spinlock.h | 62 node->locked = 0; in mcs_spin_lock() 86 arch_mcs_spin_lock_contended(&node->locked); in mcs_spin_lock() 110 arch_mcs_spin_unlock_contended(&next->locked); in mcs_spin_unlock()
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| /linux/tools/testing/selftests/net/forwarding/ |
| H A D | bridge_locked_port.sh | 102 bridge link set dev $swp1 locked on 112 bridge link set dev $swp1 locked off 133 bridge link set dev $swp1 locked on 142 bridge link set dev $swp1 locked off 161 bridge link set dev $swp1 locked on 170 bridge link set dev $swp1 locked off 187 bridge link set dev $swp1 learning on locked on 195 bridge link set dev $swp1 learning on locked on mab on 212 bridge link set dev $swp1 learning off locked off mab off 226 bridge link set dev $swp1 learning on locked on mab on [all …]
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| /linux/scripts/coccinelle/locks/ |
| H A 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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| H A 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/drivers/net/ethernet/intel/ice/ |
| H A 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); 26 void ice_pf_dcb_recfg(struct ice_pf *pf, bool locked); 28 int ice_init_pf_dcb(struct ice_pf *pf, bool locked); 96 ice_init_pf_dcb(struct ice_pf *pf, bool __always_unused locked) in ice_init_pf_dcb() argument 105 bool __always_unused locked) in ice_pf_dcb_cfg() argument 134 static inline void ice_pf_dcb_recfg(struct ice_pf *pf, bool locked) { } in ice_pf_dcb_recfg() argument
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| H A D | ice_dcb_lib.c | 283 static void ice_dcb_ena_dis_vsi(struct ice_pf *pf, bool ena, bool locked) in ice_dcb_ena_dis_vsi() argument 297 ice_ena_vsi(vsi, locked); in ice_dcb_ena_dis_vsi() 299 ice_dis_vsi(vsi, locked); in ice_dcb_ena_dis_vsi() 350 int ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked) in ice_pf_dcb_cfg() argument 415 if (!locked) in ice_pf_dcb_cfg() 449 if (!locked) in ice_pf_dcb_cfg() 605 static int ice_dcb_init_cfg(struct ice_pf *pf, bool locked) in ice_dcb_init_cfg() argument 620 if (ice_pf_dcb_cfg(pf, newcfg, locked)) in ice_dcb_init_cfg() 634 int ice_dcb_sw_dflt_cfg(struct ice_pf *pf, bool ets_willing, bool locked) in ice_dcb_sw_dflt_cfg() argument 667 ret = ice_pf_dcb_cfg(pf, dcbcfg, locked); in ice_dcb_sw_dflt_cfg() [all …]
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| /linux/mm/ |
| H A D | gup.c | 1089 int *locked) in faultin_page() argument 1134 *locked = 0; in faultin_page() 1156 *locked = 0; in faultin_page() 1357 int *locked) in __get_user_pages() argument 1429 PTR_ERR(page) == -EMLINK, locked); in __get_user_pages() 1653 int *locked, in __get_user_pages_locked() argument 1666 if (!*locked) { in __get_user_pages_locked() 1670 *locked = 1; in __get_user_pages_locked() 1693 locked); in __get_user_pages_locked() 1701 VM_WARN_ON_ONCE(!*locked && (ret < 0 || ret >= nr_pages)); in __get_user_pages_locked() [all …]
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| H A D | memcontrol-v1.h | 70 bool memcg1_oom_prepare(struct mem_cgroup *memcg, bool *locked); 71 void memcg1_oom_finish(struct mem_cgroup *memcg, bool locked); 106 static inline bool memcg1_oom_prepare(struct mem_cgroup *memcg, bool *locked) { return true; } in memcg1_oom_prepare() argument 107 static inline void memcg1_oom_finish(struct mem_cgroup *memcg, bool locked) {} in memcg1_oom_finish() argument
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| H A D | mlock.c | 614 unsigned long locked; in do_mlock() local 628 locked = len >> PAGE_SHIFT; in do_mlock() 633 locked += current->mm->locked_vm; in do_mlock() 634 if ((locked > lock_limit) && (!capable(CAP_IPC_LOCK))) { in do_mlock() 641 locked -= count_mm_mlocked_page_nr(current->mm, in do_mlock() 646 if ((locked <= lock_limit) || capable(CAP_IPC_LOCK)) in do_mlock() 793 unsigned long lock_limit, locked; in user_shm_lock() local 797 locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; in user_shm_lock() 802 memlock = inc_rlimit_ucounts(ucounts, UCOUNT_RLIMIT_MEMLOCK, locked); in user_shm_lock() 805 dec_rlimit_ucounts(ucounts, UCOUNT_RLIMIT_MEMLOCK, locked); in user_shm_lock() [all …]
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| /linux/drivers/media/dvb-frontends/ |
| H A 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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| H A 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/tools/testing/selftests/bpf/progs/ |
| H A D | bpf_arena_spin_lock.h | 37 u8 locked; member 52 u8 locked; member 64 int locked; member 204 WRITE_ONCE(lock->locked, _Q_LOCKED_VAL); in set_locked() 305 (void)smp_cond_load_acquire_label(&lock->locked, !VAL, release_err); in arena_spin_lock_slowpath() 345 node->locked = 0; in arena_spin_lock_slowpath() 383 (void)arch_mcs_spin_lock_contended_label(&node->locked, release_node_err); in arena_spin_lock_slowpath() 446 arch_mcs_spin_unlock_contended(&next->locked); in arena_spin_lock_slowpath() 520 smp_store_release(&lock->locked, 0); in arena_spin_unlock()
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| /linux/drivers/mtd/spi-nor/ |
| H A D | otp.c | 254 int ret, locked; in spi_nor_mtd_otp_info() local 267 locked = ops->is_locked(nor, i); in spi_nor_mtd_otp_info() 268 if (locked < 0) { in spi_nor_mtd_otp_info() 269 ret = locked; in spi_nor_mtd_otp_info() 273 buf->locked = !!locked; in spi_nor_mtd_otp_info() 290 int locked; in spi_nor_mtd_otp_range_is_locked() local 299 locked = ops->is_locked(nor, region); in spi_nor_mtd_otp_range_is_locked() 301 if (locked) in spi_nor_mtd_otp_range_is_locked() 302 return locked; in spi_nor_mtd_otp_range_is_locked()
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| /linux/drivers/thermal/intel/ |
| H A D | intel_quark_dts_thermal.c | 100 bool locked; member 129 if (!aux_entry->locked) { in soc_dts_enable() 157 if (!aux_entry->locked) { in soc_dts_disable() 206 if (aux_entry->locked) { in update_trip_temp() 316 if (!aux_entry->locked) { in free_soc_dts() 351 aux_entry->locked = !!(out & QRK_DTS_LOCK_BIT); in alloc_soc_dts() 354 if (!aux_entry->locked) { in alloc_soc_dts()
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| /linux/sound/core/seq/ |
| H A D | seq_queue.c | 88 static struct snd_seq_queue *queue_new(int owner, int locked) in queue_new() argument 114 q->locked = locked; in queue_new() 160 struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int info_flags) in snd_seq_queue_alloc() argument 164 q = queue_new(client, locked); in snd_seq_queue_alloc() 337 return (q->owner == client) || (!q->locked && !q->klocked); in check_access() 377 int snd_seq_queue_set_owner(int queueid, int client, int locked) in snd_seq_queue_set_owner() argument 388 q->locked = locked ? 1 : 0; in snd_seq_queue_set_owner() 673 bool locked; in snd_seq_info_queues_read() local 688 locked = q->locked; in snd_seq_info_queues_read() 694 snd_iprintf(buffer, "lock status : %s\n", locked ? "Locked" : "Free"); in snd_seq_info_queues_read()
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| H A 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); 87 int snd_seq_queue_set_owner(int queueid, int client, int locked);
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| /linux/rust/pin-init/examples/ |
| H A D | mutex.rs | 71 locked: Cell<bool>, field 82 locked: Cell::new(false), in new() 94 if self.locked.get() { in lock() 97 while self.locked.get() { in lock() 107 self.locked.set(true); in lock() 135 self.mtx.locked.set(false); in drop()
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| /linux/drivers/watchdog/ |
| H A D | intel_oc_wdt.c | 45 bool locked; member 62 if (oc_wdt->locked) in intel_oc_wdt_start() 126 oc_wdt->locked = !!(val & INTEL_OC_WDT_CTL_LCK); in intel_oc_wdt_setup() 136 if (oc_wdt->locked) { in intel_oc_wdt_setup() 153 } else if (oc_wdt->locked) { in intel_oc_wdt_setup()
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| /linux/drivers/gpu/drm/xe/ |
| H A D | xe_validation.c | 80 bool locked; in xe_validation_trylock() local 83 locked = down_write_trylock(&val->lock); in xe_validation_trylock() 85 locked = down_read_trylock(&val->lock); in xe_validation_trylock() 87 if (locked) { in xe_validation_trylock() 92 return locked ? 0 : -EWOULDBLOCK; in xe_validation_trylock()
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| H A D | xe_pcode.c | 136 u32 *status, bool atomic, int timeout_us, bool locked) in pcode_try_request() argument 143 if (locked) in pcode_try_request() 282 int xe_pcode_ready(struct xe_device *xe, bool locked) in xe_pcode_ready() argument 295 if (locked) in xe_pcode_ready() 301 &status, false, timeout_us, locked); in xe_pcode_ready() 303 if (locked) in xe_pcode_ready()
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| /linux/drivers/tty/ |
| H A 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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