| /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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| H A D | dlmast.c | 21 #include <linux/spinlock.h>
50 assert_spin_locked(&lock->spinlock); in dlm_should_cancel_bast()
102 spin_lock(&lock->spinlock); in __dlm_queue_ast()
115 * so res->spinlock will not be taken here */ in __dlm_queue_ast()
120 * to get to this point. the res->spinlock will not be in __dlm_queue_ast()
126 spin_unlock(&lock->spinlock); in __dlm_queue_ast()
160 spin_lock(&lock->spinlock); in __dlm_queue_bast()
163 spin_unlock(&lock->spinlock); in __dlm_queue_bast()
173 spin_lock(&res->spinlock); in dlm_update_lvb()
190 spin_unlock(&res->spinlock); in dlm_update_lvb()
[all …]
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| /linux/drivers/hwtracing/coresight/ |
| H A D | coresight-tpda.c | 213 lockdep_assert_held(&drvdata->spinlock); in __tpda_enable()
230 spin_lock(&drvdata->spinlock); in tpda_enable()
240 spin_unlock(&drvdata->spinlock); in tpda_enable()
263 spin_lock(&drvdata->spinlock); in tpda_disable()
268 spin_unlock(&drvdata->spinlock); in tpda_disable()
302 guard(spinlock)(&drvdata->spinlock); in tpda_trig_sysfs_show()
332 guard(spinlock)(&drvdata->spinlock); in tpda_trig_sysfs_store()
366 guard(spinlock)(&drvdata->spinlock); in global_flush_req_show()
388 guard(spinlock)(&drvdata->spinlock); in global_flush_req_store()
410 guard(spinlock)(&drvdata->spinlock); in syncr_mode_show()
[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()
259 raw_spin_lock_irqsave(&drvdata->spinlock, flags); in tmc_enable_etf_sink_perf()
302 raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); in tmc_enable_etf_sink_perf()
338 raw_spin_lock_irqsave(&drvdata->spinlock, flags); in tmc_disable_etf_sink()
341 raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); in tmc_disable_etf_sink()
[all …]
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| /linux/drivers/gpio/ |
| H A D | gpio-ml-ioh.c | 76 * @spinlock: Shared register access lock
87 raw_spinlock_t *spinlock; member
91 raw_spinlock_t spinlock; member
103 raw_spin_lock_irqsave(chip->spinlock, flags); in ioh_gpio_set()
111 raw_spin_unlock_irqrestore(chip->spinlock, flags); in ioh_gpio_set()
131 raw_spin_lock_irqsave(chip->spinlock, flags); in ioh_gpio_direction_output()
144 raw_spin_unlock_irqrestore(chip->spinlock, flags); in ioh_gpio_direction_output()
155 raw_spin_lock_irqsave(chip->spinlock, flags); in ioh_gpio_direction_input()
160 raw_spin_unlock_irqrestore(chip->spinlock, flags); in ioh_gpio_direction_input()
264 raw_spin_lock_irqsave(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 raw_spinlock_t spinlock; member
108 raw_spin_lock_irqsave(&chip->spinlock, flags); in pch_gpio_set()
116 raw_spin_unlock_irqrestore(&chip->spinlock, flags); in pch_gpio_set()
136 raw_spin_lock_irqsave(&chip->spinlock, flags); in pch_gpio_direction_output()
150 raw_spin_unlock_irqrestore(&chip->spinlock, flags); in pch_gpio_direction_output()
161 raw_spin_lock_irqsave(&chip->spinlock, flags); in pch_gpio_direction_input()
166 raw_spin_unlock_irqrestore(&chip->spinlock, flags); in pch_gpio_direction_input()
268 raw_spin_lock_irqsave(&chip->spinlock, flags); in pch_irq_type()
280 raw_spin_unlock_irqrestore(&chip->spinlock, flags); in pch_irq_type()
[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/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 | 58 * @spinlock: spinlock for IO register access
67 spinlock_t spinlock; /* spinlock for register handling */ member
81 spin_lock(&xdev->spinlock); in xilinx_wwdt_start()
93 spin_unlock(&xdev->spinlock); in xilinx_wwdt_start()
105 spin_lock(&xdev->spinlock); in xilinx_wwdt_keepalive()
115 spin_unlock(&xdev->spinlock); in xilinx_wwdt_keepalive()
220 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 | 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 | speakup_keypc.c | 189 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
191 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
195 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
198 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
204 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
209 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
223 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
225 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
240 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
243 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
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| H A D | speakup_dectlk.c | 15 #include <linux/spinlock.h>
228 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
231 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
248 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
251 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
257 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
264 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
272 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
274 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
286 spin_lock_irqsave(&speakup_info.spinlock, in do_catch_up()
[all …]
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| H A D | speakup_acntpc.c | 188 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
190 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
194 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
197 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
203 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
208 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
220 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
222 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
234 spin_lock_irqsave(&speakup_info.spinlock, flags); in do_catch_up()
237 spin_unlock_irqrestore(&speakup_info.spinlock, flags); in do_catch_up()
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| /linux/rust/kernel/ |
| H A D | sync.rs | 31 pub use lock::spinlock::{
34 SpinLock,
88 /// use kernel::sync::{LockClassKey, SpinLock};
95 /// stack_pin_init!(let num: SpinLock<u32> = SpinLock::new(
138 /// use kernel::sync::{static_lock_class, Arc, SpinLock};
140 /// fn new_locked_int() -> Result<Arc<SpinLock<u32>>> {
141 /// Arc::pin_init(SpinLock::new(
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| /linux/drivers/char/ |
| H A D | ttyprintk.c | 19 #include <linux/spinlock.h>
23 spinlock_t spinlock; member
113 spin_lock_irqsave(&tpkp->spinlock, flags); in tpk_write()
115 spin_unlock_irqrestore(&tpkp->spinlock, flags); in tpk_write()
147 spin_lock_irqsave(&tpkp->spinlock, flags); in tpk_port_shutdown()
149 spin_unlock_irqrestore(&tpkp->spinlock, flags); in tpk_port_shutdown()
182 spin_lock_init(&tpk_port.spinlock); in ttyprintk_init()
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| /linux/Documentation/locking/ |
| H A D | spinlocks.rst | 8 The most basic primitive for locking is spinlock::
19 spinlock itself will guarantee the global lock, so it will guarantee that
33 spinlock for most things - using more than one spinlock can make things a
47 touches a shared variable has to agree about the spinlock they want
116 (and the equivalent read-write versions too, of course). The spinlock will
122 play with the spinlock is that you can get deadlocks::
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| /linux/include/linux/ |
| H A D | spinlock.h | 7 * include/linux/spinlock.h - generic spinlock/rwlock declarations
9 * here's the role of the various spinlock/rwlock related include files:
21 * asm/spinlock.h: contains the arch_spin_*()/etc. lowlevel
29 * linux/spinlock.h: builds the final spin_*() APIs.
34 * contains the generic, simplified UP spinlock type.
52 * linux/spinlock.h: builds the final spin_*() APIs.
85 #define __lockfunc __section(".spinlock.text")
96 # include <asm/spinlock.h>
454 * spin_is_locked() - Check whether a spinlock is locked.
455 * @lock: Pointer to the spinlock.
[all …]
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| /linux/arch/x86/include/asm/ |
| H A D | qspinlock_paravirt.h | 17 __PV_CALLEE_SAVE_REGS_THUNK(__pv_queued_spin_unlock_slowpath, ".spinlock.text");
23 * C code. Note that it puts the code in the .spinlock.text section which
59 PV_UNLOCK_ASM, .spinlock.text);
64 __PV_CALLEE_SAVE_REGS_THUNK(__pv_queued_spin_unlock, ".spinlock.text");
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| /linux/drivers/gpu/drm/msm/ |
| H A D | msm_fence.c | 58 spin_lock_init(&fctx->spinlock); in msm_fence_context_alloc()
97 spin_lock_irqsave(&fctx->spinlock, flags); in msm_update_fence()
102 spin_unlock_irqrestore(&fctx->spinlock, flags); in msm_update_fence()
139 spin_lock_irqsave(&fctx->spinlock, flags); in msm_fence_set_deadline()
164 spin_unlock_irqrestore(&fctx->spinlock, flags); in msm_fence_set_deadline()
199 dma_fence_init(&f->base, &msm_fence_ops, &fctx->spinlock, in msm_fence_init()
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| /linux/arch/x86/kvm/vmx/ |
| H A D | posted_intr.c | 28 * Protect the per-CPU list with a per-CPU spinlock to handle task migration.
93 raw_spinlock_t *spinlock = &per_cpu(wakeup_vcpus_on_cpu_lock, vcpu->cpu); in vmx_vcpu_pi_load() local
102 raw_spin_lock(spinlock); in vmx_vcpu_pi_load()
103 spin_acquire(&spinlock->dep_map, PI_LOCK_SCHED_OUT, 0, _RET_IP_); in vmx_vcpu_pi_load()
105 spin_release(&spinlock->dep_map, _RET_IP_); in vmx_vcpu_pi_load()
106 raw_spin_unlock(spinlock); in vmx_vcpu_pi_load()
257 raw_spinlock_t *spinlock = &per_cpu(wakeup_vcpus_on_cpu_lock, cpu); in pi_wakeup_handler() local
260 raw_spin_lock(spinlock); in pi_wakeup_handler()
266 raw_spin_unlock(spinlock); in pi_wakeup_handler()
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