| /openbmc/linux/drivers/acpi/acpica/ |
| H A D | exmutex.c | 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()
88 obj_desc->mutex.prev = NULL; in acpi_ex_link_mutex()
228 obj_desc->mutex.sync_level, in acpi_ex_acquire_mutex()
321 obj_desc->mutex.thread_id = 0; in acpi_ex_release_mutex_object()
496 next = obj_desc->mutex.next; in acpi_ex_release_all_mutexes()
498 obj_desc->mutex.prev = NULL; in acpi_ex_release_all_mutexes()
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| H A D | dsmethod.c | 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()
378 obj_desc->method.mutex->mutex. in acpi_ds_begin_method_execution()
382 obj_desc->method.mutex->mutex.thread_id = in acpi_ds_begin_method_execution()
398 obj_desc->method.mutex->mutex. in acpi_ds_begin_method_execution()
400 obj_desc->method.mutex->mutex.sync_level; in acpi_ds_begin_method_execution()
402 obj_desc->method.mutex->mutex.thread_id = in acpi_ds_begin_method_execution()
409 obj_desc->method.mutex->mutex.acquisition_depth++; in acpi_ds_begin_method_execution()
765 method_desc->method.mutex->mutex. in acpi_ds_terminate_control_method()
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| /openbmc/qemu/util/ |
| H A D | qemu-coroutine-lock.c | 164 move_waiters(mutex); in pop_waiter()
176 return QSLIST_EMPTY(&mutex->to_pop) || QSLIST_EMPTY(&mutex->from_push); in has_waiters()
181 memset(mutex, 0, sizeof(*mutex)); in qemu_co_mutex_init()
190 mutex->ctx = co->ctx; in qemu_co_mutex_wake()
202 push_waiter(mutex, &w); in qemu_co_mutex_lock_slowpath()
215 has_waiters(mutex) && in qemu_co_mutex_lock_slowpath()
268 mutex->ctx = ctx; in qemu_co_mutex_lock()
272 mutex->holder = self; in qemu_co_mutex_lock()
282 assert(mutex->locked); in qemu_co_mutex_unlock()
286 mutex->ctx = NULL; in qemu_co_mutex_unlock()
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| H A D | qemu-thread-common.h | 19 static inline void qemu_mutex_post_init(QemuMutex *mutex) in qemu_mutex_post_init() argument
22 mutex->file = NULL; in qemu_mutex_post_init()
23 mutex->line = 0; in qemu_mutex_post_init()
25 mutex->initialized = true; in qemu_mutex_post_init()
31 trace_qemu_mutex_lock(mutex, file, line); in qemu_mutex_pre_lock()
38 mutex->file = file; in qemu_mutex_post_lock()
39 mutex->line = line; in qemu_mutex_post_lock()
41 trace_qemu_mutex_locked(mutex, file, line); in qemu_mutex_post_lock()
48 mutex->file = NULL; in qemu_mutex_pre_unlock()
49 mutex->line = 0; in qemu_mutex_pre_unlock()
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| H A D | qemu-thread-win32.c | 71 qemu_mutex_post_init(mutex); in qemu_mutex_init()
76 assert(mutex->initialized); in qemu_mutex_destroy()
77 mutex->initialized = false; in qemu_mutex_destroy()
83 assert(mutex->initialized); in qemu_mutex_lock_impl()
93 assert(mutex->initialized); in qemu_mutex_trylock_impl()
104 assert(mutex->initialized); in qemu_mutex_unlock_impl()
112 mutex->initialized = true; in qemu_rec_mutex_init()
117 assert(mutex->initialized); in qemu_rec_mutex_destroy()
118 mutex->initialized = false; in qemu_rec_mutex_destroy()
124 assert(mutex->initialized); in qemu_rec_mutex_lock_impl()
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| H A D | qemu-thread-posix.c | 74 qemu_mutex_post_init(mutex); in qemu_mutex_init()
81 assert(mutex->initialized); in qemu_mutex_destroy()
82 mutex->initialized = false; in qemu_mutex_destroy()
92 assert(mutex->initialized); in qemu_mutex_lock_impl()
104 assert(mutex->initialized); in qemu_mutex_trylock_impl()
120 assert(mutex->initialized); in qemu_mutex_unlock_impl()
139 mutex->m.initialized = true; in qemu_rec_mutex_init()
144 qemu_mutex_destroy(&mutex->m); in qemu_rec_mutex_destroy()
258 qemu_mutex_init(&sem->mutex); in qemu_sem_init()
275 qemu_mutex_lock(&sem->mutex); in qemu_sem_post()
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| /openbmc/linux/drivers/net/ethernet/netronome/nfp/nfpcore/ |
| H A D | nfp_mutex.c | 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()
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()
162 kfree(mutex); in nfp_cpp_mutex_free()
200 mutex->target, mutex->address, mutex->key); in nfp_cpp_mutex_lock()
229 mutex->depth--; in nfp_cpp_mutex_unlock()
233 err = nfp_cpp_readl(mutex->cpp, mur, mutex->address + 4, &key); in nfp_cpp_mutex_unlock()
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| /openbmc/linux/include/linux/ |
| H A D | mutex.h | 64 struct mutex { struct
102 #define mutex_init(mutex) \ argument
106 __mutex_init((mutex), #mutex, &__key); \
136 struct mutex { struct
160 #define __mutex_init(mutex, name, key) \ argument
162 rt_mutex_base_init(&(mutex)->rtmutex); \
163 __mutex_rt_init((mutex), name, key); \
166 #define mutex_init(mutex) \ argument
170 __mutex_init((mutex), #mutex, &__key); \
223 DEFINE_GUARD(mutex, struct mutex *, mutex_lock(_T), mutex_unlock(_T))
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| /openbmc/linux/drivers/gpu/drm/amd/pm/ |
| H A D | amdgpu_dpm.c | 49 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_get_sclk()
52 mutex_unlock(&adev->pm.mutex); in amdgpu_dpm_get_sclk()
65 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_get_mclk()
68 mutex_unlock(&adev->pm.mutex); in amdgpu_dpm_get_mclk()
85 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_set_powergating_by_smu()
117 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_set_gfx_power_up_by_imu()
135 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_baco_enter()
154 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_baco_exit()
204 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_is_baco_supported()
223 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_mode2_reset()
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| /openbmc/linux/drivers/soc/mediatek/ |
| H A D | mtk-mutex.c | 734 mutex[mutex->id]); in mtk_mutex_put()
736 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_put()
745 mutex[mutex->id]); in mtk_mutex_prepare()
753 mutex[mutex->id]); in mtk_mutex_unprepare()
767 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_add_comp()
824 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_remove_comp()
863 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_enable()
875 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_enable_by_cmdq()
893 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_disable()
930 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_write_mod()
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| /openbmc/qemu/include/qemu/ |
| H A D | thread.h | 26 void qemu_mutex_init(QemuMutex *mutex);
27 void qemu_mutex_destroy(QemuMutex *mutex);
114 #define qemu_mutex_unlock(mutex) \ argument
117 #define qemu_rec_mutex_unlock(mutex) \ argument
122 qemu_mutex_lock(mutex);
127 return qemu_mutex_trylock(mutex);
132 qemu_mutex_unlock(mutex);
137 qemu_rec_mutex_lock(mutex);
147 qemu_rec_mutex_unlock(mutex);
167 qemu_cond_wait(cond, mutex);
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| /openbmc/linux/Documentation/devicetree/bindings/soc/mediatek/ |
| H A D | mediatek,mutex.yaml | 7 title: Mediatek mutex
27 - mediatek,mt2701-disp-mutex
28 - mediatek,mt2712-disp-mutex
29 - mediatek,mt6795-disp-mutex
30 - mediatek,mt8167-disp-mutex
31 - mediatek,mt8173-disp-mutex
32 - mediatek,mt8183-disp-mutex
33 - mediatek,mt8186-disp-mutex
34 - mediatek,mt8186-mdp3-mutex
38 - mediatek,mt8195-vpp-mutex
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| /openbmc/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);
113 int mutex_trylock(struct mutex *lock);
119 int mutex_lock_interruptible(struct mutex *lock);
127 void mutex_unlock(struct mutex *lock);
131 int mutex_is_locked(struct mutex *lock);
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| /openbmc/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);
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);
84 int mtk_mutex_write_mod(struct mtk_mutex *mutex,
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| /openbmc/linux/kernel/locking/ |
| H A D | mutex.c | 89 bool mutex_is_locked(struct mutex *lock) in mutex_is_locked()
150 static inline bool __mutex_trylock(struct mutex *lock) in __mutex_trylock()
281 void __sched mutex_lock(struct mutex *lock) in mutex_lock()
537 void __sched mutex_unlock(struct mutex *lock) in mutex_unlock()
960 __mutex_lock_killable_slowpath(struct mutex *lock);
1001 int __sched mutex_lock_killable(struct mutex *lock) in mutex_lock_killable()
1022 void __sched mutex_lock_io(struct mutex *lock) in mutex_lock_io()
1033 __mutex_lock_slowpath(struct mutex *lock) in __mutex_lock_slowpath()
1039 __mutex_lock_killable_slowpath(struct mutex *lock) in __mutex_lock_killable_slowpath()
1045 __mutex_lock_interruptible_slowpath(struct mutex *lock) in __mutex_lock_interruptible_slowpath()
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| /openbmc/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()
190 mutex_lock(&vq->mutex); in vhost_test_run()
252 mutex_lock(&vq->mutex); in vhost_test_set_features()
254 mutex_unlock(&vq->mutex); in vhost_test_set_features()
277 mutex_lock(&vq->mutex); in vhost_test_set_backend()
295 mutex_unlock(&vq->mutex); in vhost_test_set_backend()
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| /openbmc/linux/drivers/net/wireless/realtek/rtw89/ |
| H A D | mac80211.c | 62 mutex_lock(&rtwdev->mutex); in rtw89_ops_start()
64 mutex_unlock(&rtwdev->mutex); in rtw89_ops_start()
73 mutex_lock(&rtwdev->mutex); in rtw89_ops_stop()
75 mutex_unlock(&rtwdev->mutex); in rtw89_ops_stop()
85 mutex_lock(&rtwdev->mutex); in rtw89_ops_config()
103 mutex_unlock(&rtwdev->mutex); in rtw89_ops_config()
118 mutex_lock(&rtwdev->mutex); in rtw89_ops_add_interface()
183 mutex_lock(&rtwdev->mutex); in rtw89_ops_remove_interface()
229 mutex_lock(&rtwdev->mutex); in rtw89_ops_configure_filter()
408 mutex_lock(&rtwdev->mutex); in rtw89_ops_bss_info_changed()
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| /openbmc/linux/Documentation/devicetree/bindings/hwlock/ |
| H A D | qcom-hwspinlock.yaml | 20 - qcom,sfpb-mutex
21 - qcom,tcsr-mutex
24 - qcom,apq8084-tcsr-mutex
25 - qcom,ipq6018-tcsr-mutex
26 - qcom,msm8226-tcsr-mutex
27 - qcom,msm8994-tcsr-mutex
28 - const: qcom,tcsr-mutex
31 - qcom,msm8974-tcsr-mutex
32 - const: qcom,tcsr-mutex
51 compatible = "qcom,tcsr-mutex";
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| /openbmc/linux/drivers/gpu/drm/i915/ |
| H A D | intel_wakeref.h | 38 struct mutex mutex; member
49 struct lock_class_key mutex; member
130 might_lock(&wf->mutex); in intel_wakeref_might_get()
181 might_lock(&wf->mutex); in intel_wakeref_might_put()
194 __acquires(wf->mutex) in intel_wakeref_lock()
196 mutex_lock(&wf->mutex); in intel_wakeref_lock()
207 __releases(wf->mutex) in intel_wakeref_unlock()
209 mutex_unlock(&wf->mutex); in intel_wakeref_unlock()
222 mutex_lock(&wf->mutex); in intel_wakeref_unlock_wait()
223 mutex_unlock(&wf->mutex); in intel_wakeref_unlock_wait()
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| /openbmc/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()
230 mutex_lock(&rtwdev->mutex); in rtw_ops_remove_interface()
277 mutex_lock(&rtwdev->mutex); in rtw_ops_configure_filter()
374 mutex_lock(&rtwdev->mutex); in rtw_ops_bss_info_changed()
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| /openbmc/linux/Documentation/locking/ |
| H A D | mutex-design.rst | 26 Mutexes are represented by 'struct mutex', defined in include/linux/mutex.h
50 one spinner can compete for the mutex.
107 Statically define the mutex::
111 Dynamically initialize the mutex::
113 mutex_init(mutex);
115 Acquire the mutex, uninterruptible::
117 void mutex_lock(struct mutex *lock);
121 Acquire the mutex, interruptible::
131 Unlock the mutex::
133 void mutex_unlock(struct mutex *lock);
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| /openbmc/linux/drivers/media/usb/uvc/ |
| H A D | uvc_queue.c | 243 mutex_init(&queue->mutex); in uvc_queue_init()
253 mutex_lock(&queue->mutex); in uvc_queue_release()
267 mutex_lock(&queue->mutex); in uvc_request_buffers()
278 mutex_lock(&queue->mutex); in uvc_query_buffer()
290 mutex_lock(&queue->mutex); in uvc_create_buffers()
302 mutex_lock(&queue->mutex); in uvc_queue_buffer()
314 mutex_lock(&queue->mutex); in uvc_export_buffer()
326 mutex_lock(&queue->mutex); in uvc_dequeue_buffer()
337 mutex_lock(&queue->mutex); in uvc_queue_streamon()
348 mutex_lock(&queue->mutex); in uvc_queue_streamoff()
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| /openbmc/qemu/scripts/ |
| H A D | analyse-locks-simpletrace.py | 22 def _get_mutex(self, mutex): argument
23 if not mutex in self.mutex_records:
24 self.mutex_records[mutex] = {"locks": 0,
32 return self.mutex_records[mutex]
34 def qemu_mutex_lock(self, timestamp, mutex, filename, line): argument
36 rec = self._get_mutex(mutex)
41 def qemu_mutex_locked(self, timestamp, mutex, filename, line): argument
43 rec = self._get_mutex(mutex)
50 def qemu_mutex_unlock(self, timestamp, mutex, filename, line): argument
52 rec = self._get_mutex(mutex)
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| /openbmc/linux/drivers/media/dvb-core/ |
| H A D | dmxdev.c | 129 mutex_unlock(&dmxdev->mutex); in dvb_dvr_open()
153 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()
237 mutex_unlock(&dmxdev->mutex); in dvb_dvr_release()
261 mutex_unlock(&dmxdev->mutex); in dvb_dvr_write()
833 mutex_lock(&dmxdev->mutex); in dvb_dmxdev_filter_free()
1248 mutex_lock(&dmxdev->mutex); in dvb_demux_release()
1421 mutex_init(&dmxdev->mutex); in dvb_dmxdev_init()
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| /openbmc/linux/drivers/mtd/chips/ |
| H A D | cfi_cmdset_0020.c | 268 mutex_lock(&chip->mutex); in do_read_onechip()
447 mutex_lock(&chip->mutex); in do_write_buffer()
507 mutex_lock(&chip->mutex); in do_write_buffer()
536 mutex_lock(&chip->mutex); in do_write_buffer()
574 mutex_lock(&chip->mutex); in do_write_buffer()
749 mutex_lock(&chip->mutex); in do_erase_oneblock()
799 mutex_lock(&chip->mutex); in do_erase_oneblock()
1046 mutex_lock(&chip->mutex); in do_lock_oneblock()
1092 mutex_lock(&chip->mutex); in do_lock_oneblock()
1192 mutex_lock(&chip->mutex); in do_unlock_oneblock()
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