dma_fence_get_rcu identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/dma-fence.h, line 321

Defined in 1 files as a function:

include/linux/dma-fence.h, line 328 (as a function)

Referenced in 9 files:

Smatch caller information:

drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		global &kfd_processes_mutex
HALF_LOCKED2		global &kfd_processes_srcu

drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
LOCK2		rcu_read

drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
LOCK2		rcu_read

drivers/gpu/drm/i915/i915_vma.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		obj->base.resv

drivers/gpu/drm/etnaviv/etnaviv_gpu.c etnaviv_gpu_wait_fence_interruptible() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-1025,1027-1029,1031-u64max
DATA_SOURCE	0	fence	r xa_load
LOCK2		rcu_read

drivers/gpu/drm/scheduler/sched_entity.c drm_sched_entity_kill_jobs_work() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	4096-ptr_max
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/i915/gt/intel_context.c i915_request_get_rcu() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&parent->guc_state.lock
LOCK2		flags
TYPE_LOCK		(struct intel_context)->guc_state.lock

drivers/gpu/drm/i915/gem/i915_gem_context.c i915_request_get_rcu() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&ctx->engines_mutex

drivers/dma-buf/dma-fence-chain.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&pool->lock

drivers/dma-buf/st-dma-fence.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
LOCK2		rcu_read

drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c amdgpu_fence_wait_empty() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&adev->grbm_idx_mutex
HALF_LOCKED2		&adev->reset_domain->sem
HALF_LOCKED2		&attr->mutex

drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&dqm->lock_hidden

drivers/dma-buf/dma-resv.c dma_resv_iter_walk_unlocked() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&m->lock
HALF_LOCKED2		global &drm_unplug_srcu

drivers/gpu/drm/i915/gt/intel_gt_requests.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		&tl->mutex
LOCK2		rcu_read
TYPE_LOCK		(struct intel_timeline)->mutex

drivers/gpu/drm/msm/msm_drv.c wait_fence() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
DATA_SOURCE	0	fence	r idr_find
PREEMPT_ADD			<- disables preempt
LOCK2		&queue->idr_lock
TYPE_LOCK		(struct msm_gpu_submitqueue)->idr_lock

drivers/gpu/drm/i915/i915_active.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read

drivers/gpu/drm/v3d/v3d_sched.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&adev->reset_domain->sem
HALF_LOCKED2		&attr->mutex
HALF_LOCKED2		&guc->submission_state.lock
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&sched->job_list_lock

drivers/gpu/drm/i915/gt/intel_engine_cs.c i915_request_get_rcu() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&engine->sched_engine->lock
LOCK2		flags
HALF_LOCKED2		&capture_mutex
TYPE_LOCK		(struct i915_sched_engine)->lock

drivers/gpu/drm/xe/xe_sync.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&vm->lock

drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
LOCK2		rcu_read
HALF_LOCKED2		&uq_mgr->userq_mutex

drivers/gpu/drm/i915/gt/intel_timeline.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		&m->lock
LOCK2		&tl->mutex
LOCK2		rcu_read
TYPE_LOCK		(struct intel_timeline)->mutex
TYPE_LOCK		(struct seq_file)->lock

drivers/gpu/drm/i915/i915_vma_resource.c i915_vma_resource_bind_dep_sync_all() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
LOCK2		&vm->mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct i915_address_space)->mutex

drivers/gpu/drm/i915/gt/intel_execlists_submission.c i915_request_get_rcu() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&engine->sched_engine->lock
LOCK2		irq
LOCK2		rcu_read
HALF_LOCKED2		bh
TYPE_LOCK		(struct i915_sched_engine)->lock

drivers/dma-buf/sw_sync.c sync_pt_create() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	4096-ptr_max
PREEMPT_ADD			<- disables preempt
LOCK2		&obj->lock
LOCK2		irq
TYPE_LOCK		(struct sync_timeline)->lock

drivers/gpu/drm/i915/gt/intel_lrc.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
LOCK2		rcu_read

drivers/gpu/drm/drm_syncobj.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&syncobj->lock

drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&uq_mgr->userq_mutex

drivers/gpu/drm/i915/i915_request.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
LOCK2		rcu_read

drivers/gpu/drm/i915/i915_request.c i915_request_get_rcu() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&rq->engine->uncore->lock

drivers/accel/amdxdna/aie2_ctx.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&hwctx->priv->job_sem
HALF_LOCKED2		&xdna->client_lock
HALF_LOCKED2		&xdna->dev_lock

drivers/gpu/drm/i915/gt/intel_reset.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&gt->reset.mutex
LOCK2		&timelines->lock
LOCK2		rcu_read
TYPE_LOCK		(struct intel_gt_timelines)->lock
TYPE_LOCK		(struct intel_reset)->mutex

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c dma_fence_get_rcu_safe() -> dma_fence_get_rcu()

Type	Parameter	Key	Value
PARAM_VALUE	0	fence	1-u64max
LOCK2		&pool->lock
LOCK2		rcu_read
HALF_LOCKED2		&adev->enforce_isolation_mutex