| /linux/fs/ocfs2/dlm/ |
| H A D | dlmthread.c | 40 /* will exit holding res->spinlock, but may drop in function */
46 assert_spin_locked(&res->spinlock); in __dlm_wait_on_lockres_flags()
52 spin_unlock(&res->spinlock); in __dlm_wait_on_lockres_flags()
54 spin_lock(&res->spinlock); in __dlm_wait_on_lockres_flags()
78 assert_spin_locked(&res->spinlock); in __dlm_lockres_unused()
109 assert_spin_locked(&dlm->spinlock); in __dlm_lockres_calc_usage()
110 assert_spin_locked(&res->spinlock); in __dlm_lockres_calc_usage()
135 spin_lock(&dlm->spinlock); in dlm_lockres_calc_usage()
136 spin_lock(&res->spinlock); in dlm_lockres_calc_usage()
140 spin_unlock(&res->spinlock); in dlm_lockres_calc_usage()
[all …]
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| H A D | dlmconvert.c | 21 #include <linux/spinlock.h>
37 * needs a spinlock held on entry (res->spinlock) and it is the
38 * only one that holds a lock on exit (res->spinlock).
55 * taken: takes and drops res->spinlock
66 spin_lock(&res->spinlock); in dlmconvert_master()
76 spin_unlock(&res->spinlock); in dlmconvert_master()
95 * caller needs: res->spinlock
96 * taken: takes and drops lock->spinlock
97 * held on exit: res->spinlock
111 assert_spin_locked(&res->spinlock); in __dlmconvert_master()
[all …]
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| H A D | dlmunlock.c | 21 #include <linux/spinlock.h>
76 * taken: res->spinlock and lock->spinlock taken and dropped
114 spin_lock(&res->spinlock); in dlmunlock_common()
118 spin_unlock(&res->spinlock); in dlmunlock_common()
125 spin_lock(&lock->spinlock); in dlmunlock_common()
164 spin_unlock(&lock->spinlock); in dlmunlock_common()
165 spin_unlock(&res->spinlock); in dlmunlock_common()
168 spin_lock(&res->spinlock); in dlmunlock_common()
169 spin_lock(&lock->spinlock); in dlmunlock_common()
230 spin_unlock(&lock->spinlock); in dlmunlock_common()
[all …]
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| H A D | dlmlock.c | 22 #include <linux/spinlock.h>
68 * caller needs: res->spinlock
97 * taken: takes and drops res->spinlock
110 spin_lock(&res->spinlock); in dlmlock_master()
117 spin_unlock(&res->spinlock); in dlmlock_master()
165 spin_unlock(&res->spinlock); in dlmlock_master()
193 * taken: takes and drops res->spinlock
212 spin_lock(&res->spinlock); in dlmlock_remote()
215 spin_unlock(&res->spinlock); in dlmlock_remote()
224 spin_unlock(&res->spinlock); in dlmlock_remote()
[all …]
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| /linux/drivers/hwtracing/coresight/ |
| H A D | coresight-etm3x-sysfs.c | 52 spin_lock_irqsave(&drvdata->spinlock, flags); in etmsr_show()
58 spin_unlock_irqrestore(&drvdata->spinlock, flags); in etmsr_show()
79 spin_lock(&drvdata->spinlock); in reset_store()
89 spin_unlock(&drvdata->spinlock); in reset_store()
120 spin_lock(&drvdata->spinlock); in mode_store()
171 spin_unlock(&drvdata->spinlock); in mode_store()
176 spin_unlock(&drvdata->spinlock); in mode_store()
299 * Use spinlock to ensure index doesn't change while it gets in addr_idx_store()
300 * dereferenced multiple times within a spinlock block elsewhere. in addr_idx_store()
302 spin_lock(&drvdata->spinlock); in addr_idx_store()
[all …]
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| H A D | coresight-etm4x-sysfs.c | 178 raw_spin_lock(&drvdata->spinlock); in reset_store()
270 raw_spin_unlock(&drvdata->spinlock); in reset_store()
304 raw_spin_lock(&drvdata->spinlock); in mode_store()
441 raw_spin_unlock(&drvdata->spinlock); in mode_store()
470 raw_spin_lock(&drvdata->spinlock); in pe_store()
472 raw_spin_unlock(&drvdata->spinlock); in pe_store()
477 raw_spin_unlock(&drvdata->spinlock); in pe_store()
505 raw_spin_lock(&drvdata->spinlock); in event_store()
526 raw_spin_unlock(&drvdata->spinlock); in event_store()
554 raw_spin_lock(&drvdata->spinlock); in event_instren_store()
[all …]
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| H A D | coresight-tmc-etf.c | 188 raw_spin_lock_irqsave(&drvdata->spinlock, flags); in tmc_enable_etf_sink_sysfs()
190 raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); in tmc_enable_etf_sink_sysfs()
192 /* Allocating the memory here while outside of the spinlock */ in tmc_enable_etf_sink_sysfs()
198 raw_spin_lock_irqsave(&drvdata->spinlock, flags); in tmc_enable_etf_sink_sysfs()
240 raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); in tmc_enable_etf_sink_sysfs()
242 /* Free memory outside the spinlock if need be */ in tmc_enable_etf_sink_sysfs()
258 raw_spin_lock_irqsave(&drvdata->spinlock, flags); in tmc_enable_etf_sink_perf()
301 raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); in tmc_enable_etf_sink_perf()
336 raw_spin_lock_irqsave(&drvdata->spinlock, flags); in tmc_disable_etf_sink()
339 raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); in tmc_disable_etf_sink()
[all …]
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| H A D | coresight-cti-core.c | 20 #include <linux/spinlock.h>
60 /* write set of regs to hardware - call with spinlock claimed */
96 raw_spin_lock_irqsave(&drvdata->spinlock, flags); in cti_enable_hw()
111 raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); in cti_enable_hw()
119 raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); in cti_enable_hw()
128 raw_spin_lock(&drvdata->spinlock); in cti_cpuhp_enable_hw()
141 raw_spin_unlock(&drvdata->spinlock); in cti_cpuhp_enable_hw()
146 raw_spin_unlock(&drvdata->spinlock); in cti_cpuhp_enable_hw()
156 raw_spin_lock(&drvdata->spinlock); in cti_disable_hw()
180 raw_spin_unlock(&drvdata->spinlock); in cti_disable_hw()
[all …]
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| /linux/include/asm-generic/ |
| H A D | qspinlock.h | 3 * Queued spinlock
5 * A 'generic' spinlock implementation that is based on MCS locks. For an
6 * architecture that's looking for a 'generic' spinlock, please first consider
15 * qspinlock relies on a far greater (compared to asm-generic/spinlock.h) set
47 * queued_spin_is_locked - is the spinlock locked?
48 * @lock: Pointer to queued spinlock structure
62 * queued_spin_value_unlocked - is the spinlock structure unlocked?
63 * @lock: queued spinlock structure
78 * @lock : Pointer to queued spinlock structure
86 * queued_spin_trylock - try to acquire the queued spinlock
[all …]
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| /linux/drivers/hwspinlock/ |
| H A D | Kconfig | 7 bool "Hardware Spinlock drivers"
12 tristate "OMAP Hardware Spinlock device"
15 Say y here to support the OMAP Hardware Spinlock device (firstly
21 tristate "Qualcomm Hardware Spinlock device"
32 tristate "SPRD Hardware Spinlock device"
35 Say y here to support the SPRD Hardware Spinlock device.
40 tristate "STM32 Hardware Spinlock device"
43 Say y here to support the STM32 Hardware Spinlock device.
48 tristate "SUN6I Hardware Spinlock device"
51 Say y here to support the SUN6I Hardware Spinlock device which can be
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| /linux/sound/drivers/ |
| H A D | mtpav.c | 127 spinlock_t spinlock; member
308 spin_lock_irqsave(&mtp_card->spinlock, flags); in snd_mtpav_output_write()
310 spin_unlock_irqrestore(&mtp_card->spinlock, flags); in snd_mtpav_output_write()
338 spin_lock_irqsave(&mtp_card->spinlock, flags); in snd_mtpav_input_open()
343 spin_unlock_irqrestore(&mtp_card->spinlock, flags); in snd_mtpav_input_open()
356 spin_lock_irqsave(&mtp_card->spinlock, flags); in snd_mtpav_input_close()
361 spin_unlock_irqrestore(&mtp_card->spinlock, flags); in snd_mtpav_input_close()
374 spin_lock_irqsave(&mtp_card->spinlock, flags); in snd_mtpav_input_trigger()
379 spin_unlock_irqrestore(&mtp_card->spinlock, flags); in snd_mtpav_input_trigger()
394 spin_lock_irqsave(&chip->spinlock, flags); in snd_mtpav_output_timer()
[all …]
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| /linux/drivers/comedi/drivers/ |
| H A D | das800.c | 236 spin_lock_irqsave(&dev->spinlock, irq_flags); in das800_enable()
244 spin_unlock_irqrestore(&dev->spinlock, irq_flags); in das800_enable()
251 spin_lock_irqsave(&dev->spinlock, irq_flags); in das800_disable()
254 spin_unlock_irqrestore(&dev->spinlock, irq_flags); in das800_disable()
379 spin_lock_irqsave(&dev->spinlock, irq_flags); in das800_ai_do_cmd()
382 spin_unlock_irqrestore(&dev->spinlock, irq_flags); in das800_ai_do_cmd()
403 spin_lock_irqsave(&dev->spinlock, irq_flags); in das800_ai_do_cmd()
405 spin_unlock_irqrestore(&dev->spinlock, irq_flags); in das800_ai_do_cmd()
442 spin_lock_irqsave(&dev->spinlock, irq_flags); in das800_interrupt()
445 * Don't release spinlock yet since we want to make sure in das800_interrupt()
[all …]
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| /linux/drivers/gpio/ |
| H A D | gpio-ml-ioh.c | 76 * @spinlock: Used for register access protection
87 spinlock_t spinlock; member
98 spin_lock_irqsave(&chip->spinlock, flags); in ioh_gpio_set()
106 spin_unlock_irqrestore(&chip->spinlock, flags); in ioh_gpio_set()
126 spin_lock_irqsave(&chip->spinlock, flags); in ioh_gpio_direction_output()
139 spin_unlock_irqrestore(&chip->spinlock, flags); in ioh_gpio_direction_output()
150 spin_lock_irqsave(&chip->spinlock, flags); in ioh_gpio_direction_input()
155 spin_unlock_irqrestore(&chip->spinlock, flags); in ioh_gpio_direction_input()
259 spin_lock_irqsave(&chip->spinlock, flags); in ioh_irq_type()
299 spin_unlock_irqrestore(&chip->spinlock, flags); in ioh_irq_type()
[all …]
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| H A D | gpio-pch.c | 89 * @spinlock: Used for register access protection
99 spinlock_t spinlock; member
108 spin_lock_irqsave(&chip->spinlock, flags); in pch_gpio_set()
116 spin_unlock_irqrestore(&chip->spinlock, flags); in pch_gpio_set()
134 spin_lock_irqsave(&chip->spinlock, flags); in pch_gpio_direction_output()
148 spin_unlock_irqrestore(&chip->spinlock, flags); in pch_gpio_direction_output()
159 spin_lock_irqsave(&chip->spinlock, flags); in pch_gpio_direction_input()
164 spin_unlock_irqrestore(&chip->spinlock, flags); in pch_gpio_direction_input()
266 spin_lock_irqsave(&chip->spinlock, flags); in pch_irq_type()
278 spin_unlock_irqrestore(&chip->spinlock, flags); in pch_irq_type()
[all …]
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| /linux/drivers/media/rc/ |
| H A D | ite-cir.c | 175 * spinlock held */
232 /* grab the spinlock */ in ite_cir_isr()
253 /* drop the spinlock, since the ir-core layer in ite_cir_isr()
261 /* reacquire the spinlock */ in ite_cir_isr()
278 /* drop the spinlock */ in ite_cir_isr()
415 /* drop the spinlock */ in ite_tx_ir()
422 /* get the spinlock again */ in ite_tx_ir()
448 /* drop the spinlock while we sleep */ in ite_tx_ir()
454 /* reacquire the spinlock */ in ite_tx_ir()
516 /* set the carrier parameters; to be called with the spinlock held */
[all …]
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| /linux/drivers/watchdog/ |
| H A D | of_xilinx_wdt.c | 43 spinlock_t spinlock; /* spinlock for register handling */ member
60 spin_lock(&xdev->spinlock); in xilinx_wdt_start()
71 spin_unlock(&xdev->spinlock); in xilinx_wdt_start()
83 spin_lock(&xdev->spinlock); in xilinx_wdt_stop()
92 spin_unlock(&xdev->spinlock); in xilinx_wdt_stop()
106 spin_lock(&xdev->spinlock); in xilinx_wdt_keepalive()
112 spin_unlock(&xdev->spinlock); in xilinx_wdt_keepalive()
137 spin_lock(&xdev->spinlock); in xwdt_selftest()
148 spin_unlock(&xdev->spinlock); in xwdt_selftest()
218 spin_lock_init(&xdev->spinlock); in xwdt_probe()
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| H A D | xilinx_wwdt.c | 59 * @spinlock: spinlock for IO register access
68 spinlock_t spinlock; /* spinlock for register handling */ member
82 spin_lock(&xdev->spinlock); in xilinx_wwdt_start()
94 spin_unlock(&xdev->spinlock); in xilinx_wwdt_start()
106 spin_lock(&xdev->spinlock); in xilinx_wwdt_keepalive()
116 spin_unlock(&xdev->spinlock); in xilinx_wwdt_keepalive()
221 spin_lock_init(&xdev->spinlock); in xwwdt_probe()
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| /linux/lib/ |
| H A D | refcount.c | 8 #include <linux/spinlock.h>
129 * refcount_dec_and_lock - return holding spinlock if able to decrement
132 * @lock: the spinlock to be locked
141 * Return: true and hold spinlock if able to decrement refcount to 0, false
160 * refcount_dec_and_lock_irqsave - return holding spinlock with disabled
163 * @lock: the spinlock to be locked
166 * Same as refcount_dec_and_lock() above except that the spinlock is acquired
169 * Return: true and hold spinlock if able to decrement refcount to 0, false
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| /linux/drivers/accessibility/speakup/ |
| H A D | synth.c | 29 * This spinlock is used to protect the entire speakup machinery, and
38 * spinlock because speakup needs to disable the keyboard IRQ.
40 .spinlock = __SPIN_LOCK_UNLOCKED(speakup_info.spinlock),
71 spin_lock_irqsave(&speakup_info.spinlock, flags); in _spk_do_catch_up()
73 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in _spk_do_catch_up()
77 spin_lock_irqsave(&speakup_info.spinlock, flags); in _spk_do_catch_up()
80 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in _spk_do_catch_up()
87 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in _spk_do_catch_up()
93 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in _spk_do_catch_up()
105 spin_lock_irqsave(&speakup_info.spinlock, flags); in _spk_do_catch_up()
[all …]
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| H A D | speakup_apollo.c | 153 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
155 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
159 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
165 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
171 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
177 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
185 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
189 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
199 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
201 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
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| H A D | speakup_decext.c | 167 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
169 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
173 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
176 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
182 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
188 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
196 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
198 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
210 spin_lock_irqsave(&speakup_info.spinlock, in do_catch_up()
214 spin_unlock_irqrestore(&speakup_info.spinlock, in do_catch_up()
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| H A D | kobjects.c | 39 spin_lock_irqsave(&speakup_info.spinlock, flags); in chars_chartab_show()
74 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in chars_chartab_show()
132 spin_lock_irqsave(&speakup_info.spinlock, flags); in chars_chartab_store()
220 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in chars_chartab_store()
241 spin_lock_irqsave(&speakup_info.spinlock, flags); in keymap_show()
258 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in keymap_show()
275 spin_lock_irqsave(&speakup_info.spinlock, flags); in keymap_store()
278 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in keymap_store()
285 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in keymap_store()
304 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in keymap_store()
[all …]
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| /linux/include/linux/ |
| H A D | spinlock_types.h | 5 * include/linux/spinlock_types.h - generic spinlock type definitions
16 /* Non PREEMPT_RT kernels map spinlock to raw_spinlock */
17 typedef struct spinlock { struct
47 /* PREEMPT_RT kernels map spinlock to rt_mutex */
50 typedef struct spinlock { struct
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| H A D | lockref.h | 9 * are atomic with respect to the spinlock that goes with them. In
11 * the spinlock for the common decrement/increment operations, but they
13 * the spinlock had been taken (using a cmpxchg operation that covers
18 #include <linux/spinlock.h>
57 /* Must be called under spinlock for reliable results */
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| /linux/kernel/locking/ |
| H A D | qspinlock.c | 3 * Queued spinlock
28 * Include queued spinlock definitions and statistics code
34 * The basic principle of a queue-based spinlock can best be understood
35 * by studying a classic queue-based spinlock implementation called the
42 * This queued spinlock implementation is based on the MCS lock, however to
51 * Since a spinlock disables recursion of its own context and there is a limit
110 * queued_spin_lock_slowpath - acquire the queued spinlock
111 * @lock: Pointer to queued spinlock structure
112 * @val: Current value of the queued spinlock 32-bit word
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