| /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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| /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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| /linux/include/linux/ |
| H A D | mutex.h | 40 extern void mutex_destroy(struct mutex *lock);
59 #define mutex_init(mutex) \ argument
63 __mutex_init((mutex), #mutex, &__key); \
106 #define __mutex_init(mutex, name, key) \ argument
108 rt_mutex_base_init(&(mutex)->rtmutex); \
109 __mutex_rt_init((mutex), name, key); \
112 #define mutex_init(mutex) \ argument
116 __mutex_init((mutex), #mutex, &__key); \
146 extern void mutex_lock(struct mutex *lock);
164 extern int mutex_trylock(struct mutex *lock);
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| /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()
108 mutex_unlock(&adev->pm.mutex); in amdgpu_dpm_set_powergating_by_smu()
118 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_set_gfx_power_up_by_imu()
120 mutex_unlock(&adev->pm.mutex); in amdgpu_dpm_set_gfx_power_up_by_imu()
136 mutex_lock(&adev->pm.mutex); in amdgpu_dpm_baco_enter()
141 mutex_unlock(&adev->pm.mutex); in amdgpu_dpm_baco_enter()
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| /linux/drivers/soc/mediatek/ |
| H A D | mtk-mutex.c | 825 mutex[mutex->id]); in mtk_mutex_put()
827 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_put()
836 mutex[mutex->id]); in mtk_mutex_prepare()
844 mutex[mutex->id]); in mtk_mutex_unprepare()
858 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_add_comp()
915 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_remove_comp()
954 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_enable()
966 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_enable_by_cmdq()
984 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_disable()
1021 WARN_ON(&mtx->mutex[mutex->id] != mutex); in mtk_mutex_write_mod()
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| /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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| /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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| /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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| /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()
542 void __sched mutex_unlock(struct mutex *lock) in mutex_unlock()
965 __mutex_lock_killable_slowpath(struct mutex *lock);
1006 int __sched mutex_lock_killable(struct mutex *lock) in mutex_lock_killable()
1027 void __sched mutex_lock_io(struct mutex *lock) in mutex_lock_io()
1038 __mutex_lock_slowpath(struct mutex *lock) in __mutex_lock_slowpath()
1044 __mutex_lock_killable_slowpath(struct mutex *lock) in __mutex_lock_killable_slowpath()
1050 __mutex_lock_interruptible_slowpath(struct mutex *lock) in __mutex_lock_interruptible_slowpath()
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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()
207 mutex_lock(&tw9900->mutex); in tw9900_set_fmt()
265 mutex_lock(&tw9900->mutex); in tw9900_s_stream()
279 mutex_lock(&tw9900->mutex); in tw9900_s_stream()
353 mutex_lock(&tw9900->mutex); in tw9900_s_std()
396 mutex_lock(&tw9900->mutex); in tw9900_g_std()
457 mutex_lock(&tw9900->mutex); in tw9900_querystd()
470 mutex_lock(&tw9900->mutex); in tw9900_querystd()
513 mutex_lock(&tw9900->mutex); in tw9900_g_input_status()
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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()
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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| /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()
184 mutex_lock(&rtwdev->mutex); in rtw89_ops_remove_interface()
231 mutex_lock(&rtwdev->mutex); in rtw89_ops_configure_filter()
427 mutex_lock(&rtwdev->mutex); in rtw89_ops_bss_info_changed()
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| /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.
118 The mutex user must ensure that the mutex is not destroyed while a
125 Statically define the mutex::
129 Dynamically initialize the mutex::
131 mutex_init(mutex);
133 Acquire the mutex, uninterruptible::
135 void mutex_lock(struct mutex *lock);
139 Acquire the mutex, interruptible::
149 Unlock the mutex::
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| /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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| /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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| /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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| /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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| /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/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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| /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()
213 mutex_lock(&ac->mutex); in ceph_handle_auth_reply()
289 mutex_lock(&ac->mutex); in ceph_build_auth()
300 mutex_lock(&ac->mutex); in ceph_auth_is_authenticated()
315 mutex_lock(&ac->mutex); in __ceph_auth_get_authorizer()
354 mutex_lock(&ac->mutex); in ceph_auth_add_authorizer_challenge()
371 mutex_lock(&ac->mutex); in ceph_auth_verify_authorizer_reply()
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| /linux/drivers/media/cec/i2c/ |
| H A D | ch7322.c | 154 struct mutex mutex; /* device access mutex */ member
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()
295 mutex_lock(&ch7322->mutex); in ch7322_phys_addr()
311 mutex_lock(&ch7322->mutex); in ch7322_irq()
345 mutex_lock(&ch7322->mutex); in ch7322_cec_adap_log_addr()
359 mutex_lock(&ch7322->mutex); in ch7322_cec_adap_transmit()
479 mutex_init(&ch7322->mutex); in ch7322_probe()
543 mutex_lock(&ch7322->mutex); in ch7322_probe()
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| /linux/drivers/gpu/drm/i915/ |
| H A D | intel_wakeref.h | 45 struct mutex mutex; member
60 struct lock_class_key mutex; member
142 might_lock(&wf->mutex); in intel_wakeref_might_get()
193 might_lock(&wf->mutex); in intel_wakeref_might_put()
206 __acquires(wf->mutex) in intel_wakeref_lock()
208 mutex_lock(&wf->mutex); in intel_wakeref_lock()
219 __releases(wf->mutex) in intel_wakeref_unlock()
221 mutex_unlock(&wf->mutex); in intel_wakeref_unlock()
234 mutex_lock(&wf->mutex); in intel_wakeref_unlock_wait()
235 mutex_unlock(&wf->mutex); in intel_wakeref_unlock_wait()
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| /linux/tools/perf/util/ |
| H A D | mutex.h | 72 struct LOCKABLE mutex { struct
82 void mutex_init(struct mutex *mtx);
87 void mutex_init_pshared(struct mutex *mtx);
88 void mutex_destroy(struct mutex *mtx);
90 void mutex_lock(struct mutex *mtx) EXCLUSIVE_LOCK_FUNCTION(*mtx);
91 void mutex_unlock(struct mutex *mtx) UNLOCK_FUNCTION(*mtx);
93 bool mutex_trylock(struct mutex *mtx) EXCLUSIVE_TRYLOCK_FUNCTION(true, *mtx);
104 void cond_wait(struct cond *cnd, struct mutex *mtx) EXCLUSIVE_LOCKS_REQUIRED(mtx);
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| /linux/drivers/gpu/drm/ |
| H A D | drm_modeset_lock.c | 153 mutex_lock(&config->mutex); in drm_modeset_lock_all()
211 mutex_unlock(&dev->mode_config.mutex); in drm_modeset_unlock_all()
230 WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); in drm_warn_on_modeset_not_all_locked()
302 if (!ww_mutex_trylock(&lock->mutex, NULL)) in modeset_lock()
311 ww_mutex_lock_slow(&lock->mutex, &ctx->ww_ctx); in modeset_lock()
314 ret = ww_mutex_lock(&lock->mutex, &ctx->ww_ctx); in modeset_lock()
368 ww_mutex_init(&lock->mutex, &crtc_ww_class); in drm_modeset_lock_init()
398 ww_mutex_lock(&lock->mutex, NULL); in drm_modeset_lock()
425 ww_mutex_unlock(&lock->mutex); in drm_modeset_unlock()
462 ret = drm_modeset_lock(&crtc->mutex, ctx); in drm_modeset_lock_all_ctx()
[all …]
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