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/Linux-v6.6/tools/testing/selftests/powerpc/dscr/
Ddscr_explicit_test.c55 sem_t semaphores[2]; in dscr_explicit_lockstep_test() local
56 sem_t *prev = &semaphores[1]; /* reversed prev/next than for the other thread */ in dscr_explicit_lockstep_test()
57 sem_t *next = &semaphores[0]; in dscr_explicit_lockstep_test()
68 FAIL_IF(pthread_create(&thread, NULL, dscr_explicit_lockstep_thread, (void *)semaphores)); in dscr_explicit_lockstep_test()
/Linux-v6.6/Documentation/locking/
Dpercpu-rw-semaphore.rst2 Percpu rw semaphores
5 Percpu rw semaphores is a new read-write semaphore design that is
8 The problem with traditional read-write semaphores is that when multiple
Dlocktypes.rst89 The aforementioned lock types except semaphores have strict owner
122 semaphores and PREEMPT_RT
126 semaphores have no concept of owners, thus preventing PREEMPT_RT from
127 providing priority inheritance for semaphores. After all, an unknown
128 owner cannot be boosted. As a consequence, blocking on semaphores can
Dmutex-design.rst16 behave similarly to binary semaphores, and were introduced in 2006[1]
73 number of workloads. Note that this technique is also used for rw-semaphores.
/Linux-v6.6/drivers/gpu/drm/radeon/
Dradeon_sync.c46 sync->semaphores[i] = NULL; in radeon_sync_create()
153 sync->semaphores[count++] = semaphore; in radeon_sync_rings()
203 radeon_semaphore_free(rdev, &sync->semaphores[i], fence); in radeon_sync_free()
Dradeon.h572 struct radeon_semaphore *semaphores[RADEON_NUM_SYNCS]; member
/Linux-v6.6/Documentation/translations/zh_CN/locking/
Dmutex-design.rst27 排斥”。互斥锁是一种睡眠锁,它的行为类似于二进制信号量(semaphores),在
72 改善一些工作负载的性能。注意,这种技术也被用于读写信号量(rw-semaphores)。
/Linux-v6.6/Documentation/translations/zh_CN/
Dglossary.rst34 * semaphores: 信号量。
/Linux-v6.6/Documentation/translations/zh_CN/infiniband/
Dcore_locking.rst109 不能持有任何可能导致死锁的semaphores
/Linux-v6.6/drivers/gpu/drm/i915/
Di915_scheduler_types.h69 intel_engine_mask_t semaphores; member
Di915_request.c658 if (request->sched.semaphores && in __i915_request_submit()
660 engine->saturated |= request->sched.semaphores; in __i915_request_submit()
737 if (request->sched.semaphores && __i915_request_has_started(request)) in __i915_request_unsubmit()
738 request->sched.semaphores = 0; in __i915_request_unsubmit()
1140 return rq->sched.semaphores | READ_ONCE(rq->engine->saturated); in already_busywaiting()
1240 to->sched.semaphores |= mask; in emit_semaphore_wait()
Di915_scheduler.c308 node->semaphores = 0; in i915_sched_node_reinit()
DKconfig.profile132 interact with each other via userspace semaphores. Each context
/Linux-v6.6/drivers/media/pci/cx18/
Dcx18-scb.h231 u32 semaphores[8]; /* Semaphores */ member
/Linux-v6.6/Documentation/userspace-api/
Dfutex2.rst10 performant synchronization mechanisms, such as mutexes, semaphores and
/Linux-v6.6/Documentation/scsi/
DChangeLog.ips26 4.80.14 - Take all semaphores off stack
/Linux-v6.6/Documentation/infiniband/
Dcore_locking.rst108 semaphores that could cause deadlock if a consumer calls back into
/Linux-v6.6/Documentation/RCU/
Drcuref.rst17 reader/writer spinlocks or semaphores are straightforward:
DwhatisRCU.rst486 - Use some solid design (such as locks or semaphores) to
/Linux-v6.6/Documentation/filesystems/
Djournalling.rst88 jbd2_journal_stop() as if they were semaphores and include them in
/Linux-v6.6/Documentation/scheduler/
Dcompletion.rst14 misuse of locks/semaphores and busy-loops. Any time you think of using
/Linux-v6.6/arch/arc/
DKconfig197 hardware semaphores, shared memory,....
/Linux-v6.6/Documentation/PCI/
Dpci-error-recovery.rst136 to complete; it can take semaphores, schedule, etc... everything but
/Linux-v6.6/Documentation/accel/qaic/
Daic100.rst378 By using the semaphores in conjunction with the workload running on the NSPs,
/Linux-v6.6/Documentation/
Dmemory-barriers.txt1994 (*) semaphores
1995 (*) R/W semaphores
2098 Locks and semaphores may not provide any guarantee of ordering on UP compiled

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