| /linux/drivers/acpi/acpica/ |
| H A D | exmutex.c | 37 struct acpi_thread_state *thread = obj_desc->mutex.owner_thread; in acpi_ex_unlink_mutex()
45 if (obj_desc->mutex.next) { in acpi_ex_unlink_mutex()
46 (obj_desc->mutex.next)->mutex.prev = obj_desc->mutex.prev; in acpi_ex_unlink_mutex()
49 if (obj_desc->mutex.prev) { in acpi_ex_unlink_mutex()
50 (obj_desc->mutex.prev)->mutex.next = obj_desc->mutex.next; in acpi_ex_unlink_mutex()
58 (obj_desc->mutex.prev)->mutex.original_sync_level = in acpi_ex_unlink_mutex()
59 obj_desc->mutex.original_sync_level; in acpi_ex_unlink_mutex()
61 thread->acquired_mutex_list = obj_desc->mutex.next; in acpi_ex_unlink_mutex()
88 obj_desc->mutex.prev = NULL; in acpi_ex_link_mutex()
89 obj_desc->mutex.next = list_head; in acpi_ex_link_mutex()
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| H A D | dsmethod.c | 263 status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex); in acpi_ds_create_method_mutex()
269 mutex_desc->mutex.sync_level = method_desc->method.sync_level; in acpi_ds_create_method_mutex()
270 method_desc->method.mutex = mutex_desc; in acpi_ds_create_method_mutex()
323 if (!obj_desc->method.mutex) { in acpi_ds_begin_method_execution()
345 obj_desc->method.mutex->mutex.sync_level)) { in acpi_ds_begin_method_execution()
360 !obj_desc->method.mutex->mutex.thread_id || in acpi_ds_begin_method_execution()
362 obj_desc->method.mutex->mutex.thread_id)) { in acpi_ds_begin_method_execution()
368 acpi_ex_system_wait_mutex(obj_desc->method.mutex-> in acpi_ds_begin_method_execution()
369 mutex.os_mutex, in acpi_ds_begin_method_execution()
378 obj_desc->method.mutex->mutex. in acpi_ds_begin_method_execution()
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| /linux/drivers/net/ethernet/netronome/nfp/nfpcore/ |
| H A D | nfp_mutex.c | 128 struct nfp_cpp_mutex *mutex; in nfp_cpp_mutex_alloc() local
143 mutex = kzalloc(sizeof(*mutex), GFP_KERNEL); in nfp_cpp_mutex_alloc()
144 if (!mutex) in nfp_cpp_mutex_alloc()
147 mutex->cpp = cpp; in nfp_cpp_mutex_alloc()
148 mutex->target = target; in nfp_cpp_mutex_alloc()
149 mutex->address = address; in nfp_cpp_mutex_alloc()
150 mutex->key = key; in nfp_cpp_mutex_alloc()
151 mutex->depth = 0; in nfp_cpp_mutex_alloc()
153 return mutex; in nfp_cpp_mutex_alloc()
160 void nfp_cpp_mutex_free(struct nfp_cpp_mutex *mutex) in nfp_cpp_mutex_free() argument
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| /linux/Documentation/translations/zh_CN/locking/ |
| H A D | mutex-design.rst | 4 :Original: Documentation/locking/mutex-design.rst
25 在Linux内核中，互斥锁（mutex）指的是一个特殊的加锁原语，它在共享内存系统上
36 互斥锁由“struct mutex”表示，在include/linux/mutex.h中定义，并在
37 kernel/locking/mutex.c中实现。这些锁使用一个原子变量（->owner）来跟踪
107 mutex_init(mutex);
111 void mutex_lock(struct mutex *lock);
112 void mutex_lock_nested(struct mutex *lock, unsigned int subclass);
113 int mutex_trylock(struct mutex *lock);
117 int mutex_lock_interruptible_nested(struct mutex *lock,
119 int mutex_lock_interruptible(struct mutex *lock);
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| /linux/drivers/misc/ |
| H A D | ntsync.c | 64 } mutex; member
132 struct mutex wait_all_lock;
238 if (obj->u.mutex.owner && obj->u.mutex.owner != owner) in is_signaled()
240 return obj->u.mutex.count < UINT_MAX; in is_signaled()
287 if (obj->u.mutex.ownerdead) in try_wake_all()
289 obj->u.mutex.ownerdead = false; in try_wake_all()
290 obj->u.mutex.count++; in try_wake_all()
291 obj->u.mutex.owner = q->owner; in try_wake_all()
340 static void try_wake_any_mutex(struct ntsync_obj *mutex) in try_wake_any_mutex() argument
344 ntsync_assert_held(mutex); in try_wake_any_mutex()
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| /linux/include/linux/soc/mediatek/ |
| H A D | mtk-mutex.h | 71 int mtk_mutex_prepare(struct mtk_mutex *mutex);
72 void mtk_mutex_add_comp(struct mtk_mutex *mutex,
74 void mtk_mutex_enable(struct mtk_mutex *mutex);
75 int mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex,
77 void mtk_mutex_disable(struct mtk_mutex *mutex);
78 void mtk_mutex_remove_comp(struct mtk_mutex *mutex,
80 void mtk_mutex_unprepare(struct mtk_mutex *mutex);
81 void mtk_mutex_put(struct mtk_mutex *mutex);
82 void mtk_mutex_acquire(struct mtk_mutex *mutex);
83 void mtk_mutex_release(struct mtk_mutex *mutex);
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| /linux/rust/helpers/ |
| H A D | mutex.c | 5 void rust_helper_mutex_lock(struct mutex *lock) in rust_helper_mutex_lock()
10 int rust_helper_mutex_trylock(struct mutex *lock) in rust_helper_mutex_trylock()
15 void rust_helper___mutex_init(struct mutex *mutex, const char *name, in rust_helper___mutex_init() argument
18 __mutex_init(mutex, name, key); in rust_helper___mutex_init()
21 void rust_helper_mutex_assert_is_held(struct mutex *mutex) in rust_helper_mutex_assert_is_held() argument
23 lockdep_assert_held(mutex); in rust_helper_mutex_assert_is_held()
26 void rust_helper_mutex_destroy(struct mutex *lock) in rust_helper_mutex_destroy()
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| /linux/kernel/locking/ |
| H A D | mutex.c | 47 __mutex_init(struct mutex *lock, const char *name, struct lock_class_key *key) in __mutex_init()
65 bool mutex_is_locked(struct mutex *lock) in mutex_is_locked()
77 unsigned long mutex_get_owner(struct mutex *lock) in mutex_get_owner()
87 static inline struct task_struct *__mutex_trylock_common(struct mutex *lock, bool handoff) in __mutex_trylock_common()
126 static inline bool __mutex_trylock_or_handoff(struct mutex *lock, bool handoff) in __mutex_trylock_or_handoff()
134 static inline bool __mutex_trylock(struct mutex *lock) in __mutex_trylock()
150 static __always_inline bool __mutex_trylock_fast(struct mutex *lock) in __mutex_trylock_fast()
163 static __always_inline bool __mutex_unlock_fast(struct mutex *lock) in __mutex_unlock_fast()
171 static inline void __mutex_set_flag(struct mutex *lock, unsigned long flag) in __mutex_set_flag()
176 static inline void __mutex_clear_flag(struct mutex *lock, unsigned long flag) in __mutex_clear_flag()
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| H A D | mutex-debug.c | 29 void debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter) in debug_mutex_lock_common()
37 void debug_mutex_wake_waiter(struct mutex *lock, struct mutex_waiter *waiter) in debug_mutex_wake_waiter()
51 void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter, in debug_mutex_add_waiter()
60 void debug_mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, in debug_mutex_remove_waiter()
63 struct mutex *blocked_on = __get_task_blocked_on(task); in debug_mutex_remove_waiter()
73 void debug_mutex_unlock(struct mutex *lock) in debug_mutex_unlock()
81 void debug_mutex_init(struct mutex *lock, const char *name, in debug_mutex_init()
99 int __devm_mutex_init(struct device *dev, struct mutex *lock) in __devm_mutex_init()
113 void mutex_destroy(struct mutex *lock) in mutex_destroy()
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| H A D | mutex.h | 43 static inline struct task_struct *__mutex_owner(struct mutex *lock) in __mutex_owner()
51 extern void debug_mutex_lock_common(struct mutex *lock,
53 extern void debug_mutex_wake_waiter(struct mutex *lock,
56 extern void debug_mutex_add_waiter(struct mutex *lock,
59 extern void debug_mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
61 extern void debug_mutex_unlock(struct mutex *lock);
62 extern void debug_mutex_init(struct mutex *lock, const char *name,
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| /linux/drivers/media/i2c/ |
| H A D | tw9900.c | 83 struct mutex mutex; member
193 mutex_lock(&tw9900->mutex); in tw9900_get_fmt()
195 mutex_unlock(&tw9900->mutex); in tw9900_get_fmt()
207 mutex_lock(&tw9900->mutex); in tw9900_set_fmt()
210 mutex_unlock(&tw9900->mutex); in tw9900_set_fmt()
216 mutex_unlock(&tw9900->mutex); in tw9900_set_fmt()
265 mutex_lock(&tw9900->mutex); in tw9900_s_stream()
268 mutex_unlock(&tw9900->mutex); in tw9900_s_stream()
272 mutex_unlock(&tw9900->mutex); in tw9900_s_stream()
279 mutex_lock(&tw9900->mutex); in tw9900_s_stream()
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| /linux/drivers/vhost/ |
| H A D | test.c | 51 mutex_lock(&vq->mutex); in handle_vq()
54 mutex_unlock(&vq->mutex); in handle_vq()
93 mutex_unlock(&vq->mutex); in handle_vq()
135 mutex_lock(&vq->mutex); in vhost_test_stop_vq()
138 mutex_unlock(&vq->mutex); in vhost_test_stop_vq()
175 mutex_lock(&n->dev.mutex); in vhost_test_run()
190 mutex_lock(&vq->mutex); in vhost_test_run()
199 mutex_unlock(&vq->mutex); in vhost_test_run()
209 mutex_unlock(&n->dev.mutex); in vhost_test_run()
213 mutex_unlock(&n->dev.mutex); in vhost_test_run()
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| /linux/drivers/media/dvb-core/ |
| H A D | dmxdev.c | 125 if (mutex_lock_interruptible(&dmxdev->mutex)) in dvb_dvr_open()
129 mutex_unlock(&dmxdev->mutex); in dvb_dvr_open()
153 mutex_unlock(&dmxdev->mutex); in dvb_dvr_open()
163 mutex_unlock(&dmxdev->mutex); in dvb_dvr_open()
168 mutex_unlock(&dmxdev->mutex); in dvb_dvr_open()
182 mutex_unlock(&dmxdev->mutex); in dvb_dvr_open()
189 mutex_unlock(&dmxdev->mutex); in dvb_dvr_open()
196 mutex_unlock(&dmxdev->mutex); in dvb_dvr_open()
205 mutex_lock(&dmxdev->mutex); in dvb_dvr_release()
234 mutex_unlock(&dmxdev->mutex); in dvb_dvr_release()
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| H A D | dvb_demux.c | 696 if (mutex_lock_interruptible(&demux->mutex)) in dmx_ts_feed_set()
701 mutex_unlock(&demux->mutex); in dmx_ts_feed_set()
707 mutex_unlock(&demux->mutex); in dmx_ts_feed_set()
723 mutex_unlock(&demux->mutex); in dmx_ts_feed_set()
734 if (mutex_lock_interruptible(&demux->mutex)) in dmx_ts_feed_start_filtering()
738 mutex_unlock(&demux->mutex); in dmx_ts_feed_start_filtering()
743 mutex_unlock(&demux->mutex); in dmx_ts_feed_start_filtering()
748 mutex_unlock(&demux->mutex); in dmx_ts_feed_start_filtering()
756 mutex_unlock(&demux->mutex); in dmx_ts_feed_start_filtering()
767 mutex_lock(&demux->mutex); in dmx_ts_feed_stop_filtering()
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| /linux/drivers/net/wireless/realtek/rtw88/ |
| H A D | mac80211.c | 58 mutex_lock(&rtwdev->mutex); in rtw_ops_start()
60 mutex_unlock(&rtwdev->mutex); in rtw_ops_start()
69 mutex_lock(&rtwdev->mutex); in rtw_ops_stop()
71 mutex_unlock(&rtwdev->mutex); in rtw_ops_stop()
82 mutex_lock(&rtwdev->mutex); in rtw_ops_config()
104 mutex_unlock(&rtwdev->mutex); in rtw_ops_config()
168 mutex_lock(&rtwdev->mutex); in rtw_ops_add_interface()
172 mutex_unlock(&rtwdev->mutex); in rtw_ops_add_interface()
178 mutex_unlock(&rtwdev->mutex); in rtw_ops_add_interface()
207 mutex_unlock(&rtwdev->mutex); in rtw_ops_add_interface()
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| /linux/drivers/mtd/chips/ |
| H A D | cfi_cmdset_0020.c | 268 mutex_lock(&chip->mutex); in do_read_onechip()
300 mutex_unlock(&chip->mutex); in do_read_onechip()
306 mutex_unlock(&chip->mutex); in do_read_onechip()
308 mutex_lock(&chip->mutex); in do_read_onechip()
339 mutex_unlock(&chip->mutex); in do_read_onechip()
345 mutex_unlock(&chip->mutex); in do_read_onechip()
355 mutex_unlock(&chip->mutex); in do_read_onechip()
380 mutex_unlock(&chip->mutex); in do_read_onechip()
447 mutex_lock(&chip->mutex); in do_write_buffer()
472 mutex_unlock(&chip->mutex); in do_write_buffer()
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| /linux/drivers/cpufreq/ |
| H A D | cpufreq_userspace.c | 21 struct mutex mutex; member
38 mutex_lock(&userspace->mutex); in cpufreq_set()
46 mutex_unlock(&userspace->mutex); in cpufreq_set()
63 mutex_init(&userspace->mutex); in cpufreq_userspace_policy_init()
86 mutex_lock(&userspace->mutex); in cpufreq_userspace_policy_start()
89 mutex_unlock(&userspace->mutex); in cpufreq_userspace_policy_start()
99 mutex_lock(&userspace->mutex); in cpufreq_userspace_policy_stop()
102 mutex_unlock(&userspace->mutex); in cpufreq_userspace_policy_stop()
109 mutex_lock(&userspace->mutex); in cpufreq_userspace_policy_limits()
124 mutex_unlock(&userspace->mutex); in cpufreq_userspace_policy_limits()
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| /linux/net/ceph/ |
| H A D | auth.c | 66 mutex_init(&ac->mutex); in ceph_auth_init()
94 mutex_lock(&ac->mutex); in ceph_auth_reset()
99 mutex_unlock(&ac->mutex); in ceph_auth_reset()
128 mutex_lock(&ac->mutex); in ceph_auth_build_hello()
156 mutex_unlock(&ac->mutex); in ceph_auth_build_hello()
213 mutex_lock(&ac->mutex); in ceph_handle_auth_reply()
275 mutex_unlock(&ac->mutex); in ceph_handle_auth_reply()
289 mutex_lock(&ac->mutex); in ceph_build_auth()
292 mutex_unlock(&ac->mutex); in ceph_build_auth()
300 mutex_lock(&ac->mutex); in ceph_auth_is_authenticated()
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| /linux/drivers/media/cec/i2c/ |
| H A D | ch7322.c | 154 struct mutex mutex; /* device access mutex */ member
172 WARN_ON(!mutex_is_locked(&ch7322->mutex)); in ch7322_send_message()
214 WARN_ON(!mutex_is_locked(&ch7322->mutex)); in ch7322_receive_message()
243 mutex_lock(&ch7322->mutex); in ch7322_tx_done()
246 mutex_unlock(&ch7322->mutex); in ch7322_tx_done()
275 mutex_lock(&ch7322->mutex); in ch7322_rx_done()
277 mutex_unlock(&ch7322->mutex); in ch7322_rx_done()
295 mutex_lock(&ch7322->mutex); in ch7322_phys_addr()
298 mutex_unlock(&ch7322->mutex); in ch7322_phys_addr()
311 mutex_lock(&ch7322->mutex); in ch7322_irq()
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| /linux/drivers/gpu/drm/i915/ |
| H A D | intel_wakeref.h | 42 struct mutex mutex; member
57 struct lock_class_key mutex; member
139 might_lock(&wf->mutex); in intel_wakeref_might_get()
190 might_lock(&wf->mutex); in intel_wakeref_might_put()
203 __acquires(wf->mutex) in intel_wakeref_lock()
205 mutex_lock(&wf->mutex); in intel_wakeref_lock()
216 __releases(wf->mutex) in intel_wakeref_unlock()
218 mutex_unlock(&wf->mutex); in intel_wakeref_unlock()
231 mutex_lock(&wf->mutex); in intel_wakeref_unlock_wait()
232 mutex_unlock(&wf->mutex); in intel_wakeref_unlock_wait()
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| /linux/drivers/mtd/lpddr/ |
| H A D | lpddr_cmds.c | 88 mutex_init(&chip->mutex); in lpddr_cmdset()
152 mutex_unlock(&chip->mutex); in wait_for_ready()
167 mutex_lock(&chip->mutex); in wait_for_ready()
174 mutex_unlock(&chip->mutex); in wait_for_ready()
177 mutex_lock(&chip->mutex); in wait_for_ready()
238 ret = mutex_trylock(&contender->mutex); in get_chip()
242 mutex_unlock(&chip->mutex); in get_chip()
244 mutex_lock(&chip->mutex); in get_chip()
247 mutex_unlock(&contender->mutex); in get_chip()
251 mutex_unlock(&contender->mutex); in get_chip()
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| /linux/sound/aoa/codecs/ |
| H A D | onyx.c | 61 struct mutex mutex; member
125 mutex_lock(&onyx->mutex); in onyx_snd_vol_get()
128 mutex_unlock(&onyx->mutex); in onyx_snd_vol_get()
149 mutex_lock(&onyx->mutex); in onyx_snd_vol_put()
155 mutex_unlock(&onyx->mutex); in onyx_snd_vol_put()
165 mutex_unlock(&onyx->mutex); in onyx_snd_vol_put()
201 mutex_lock(&onyx->mutex); in onyx_snd_inputgain_get()
203 mutex_unlock(&onyx->mutex); in onyx_snd_inputgain_get()
220 mutex_lock(&onyx->mutex); in onyx_snd_inputgain_put()
227 mutex_unlock(&onyx->mutex); in onyx_snd_inputgain_put()
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| /linux/drivers/net/wireless/zydas/zd1211rw/ |
| H A D | zd_chip.c | 27 mutex_init(&chip->mutex); in zd_chip_init()
34 ZD_ASSERT(!mutex_is_locked(&chip->mutex)); in zd_chip_clear()
37 mutex_destroy(&chip->mutex); in zd_chip_clear()
141 ZD_ASSERT(mutex_is_locked(&chip->mutex)); in _zd_iowrite32v_async_locked()
190 ZD_ASSERT(mutex_is_locked(&chip->mutex)); in zd_iowrite16a_locked()
259 mutex_lock(&chip->mutex); in zd_ioread16()
261 mutex_unlock(&chip->mutex); in zd_ioread16()
269 mutex_lock(&chip->mutex); in zd_ioread32()
271 mutex_unlock(&chip->mutex); in zd_ioread32()
279 mutex_lock(&chip->mutex); in zd_iowrite16()
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| /linux/drivers/tee/optee/ |
| H A D | call.c | 44 mutex_init(&cq->mutex); in optee_cq_init()
73 mutex_lock(&cq->mutex); in optee_cq_wait_init()
97 mutex_unlock(&cq->mutex); in optee_cq_wait_init()
101 mutex_lock(&cq->mutex); in optee_cq_wait_init()
113 mutex_unlock(&cq->mutex); in optee_cq_wait_init()
122 mutex_lock(&cq->mutex); in optee_cq_wait_for_completion()
129 mutex_unlock(&cq->mutex); in optee_cq_wait_for_completion()
160 mutex_lock(&cq->mutex); in optee_cq_wait_final()
179 mutex_unlock(&cq->mutex); in optee_cq_wait_final()
188 mutex_lock(&cq->mutex); in optee_cq_incr_sys_thread_count()
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| /linux/drivers/iio/accel/ |
| H A D | mma9551.c | 45 struct mutex mutex; member
115 mutex_lock(&data->mutex); in mma9551_read_raw()
117 mutex_unlock(&data->mutex); in mma9551_read_raw()
125 mutex_lock(&data->mutex); in mma9551_read_raw()
128 mutex_unlock(&data->mutex); in mma9551_read_raw()
233 mutex_lock(&data->mutex); in mma9551_write_event_config()
236 mutex_unlock(&data->mutex); in mma9551_write_event_config()
257 mutex_lock(&data->mutex); in mma9551_write_event_value()
263 mutex_unlock(&data->mutex); in mma9551_write_event_value()
283 mutex_lock(&data->mutex); in mma9551_read_event_value()
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