io_uring_alloc_task_context identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

io_uring/tctx.h, line 9 (as a prototype)

Defined in 1 files as a function:

io_uring/tctx.c, line 82 (as a function)

Referenced in 2 files:

Smatch caller information:

io_uring/sqpoll.c io_sq_offload_create() -> io_uring_alloc_task_context()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	1	ctx	4096-ptr_max
PARAM_VALUE	1	ctx->apoll_cache.entries	0,16,4096-ptr_max
PARAM_VALUE	1	ctx->cancel_table.hash_bits	1-8
PARAM_VALUE	1	ctx->cancel_table.hbs	16,4096-ptr_max
PARAM_VALUE	1	ctx->clock_offset	0
PARAM_VALUE	1	ctx->clockid	1
PARAM_VALUE	1	ctx->cmd_cache.entries	0,16,4096-ptr_max
PARAM_VALUE	1	ctx->cq_overflow_list.next	4096-ptr_max
PARAM_VALUE	1	ctx->cq_overflow_list.next->next	4096-ptr_max
PARAM_VALUE	1	ctx->cq_overflow_list.prev	4096-ptr_max
PARAM_VALUE	1	ctx->cq_overflow_list.prev->next	4096-ptr_max
PARAM_VALUE	1	ctx->cq_overflow_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctx->cq_wait.head.next	4096-ptr_max
PARAM_VALUE	1	ctx->cq_wait.head.next->next	4096-ptr_max
PARAM_VALUE	1	ctx->cq_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	ctx->cq_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	1	ctx->cq_wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctx->cq_wait_nr.counter	(-1)
PARAM_VALUE	1	ctx->defer_list.next	4096-ptr_max
PARAM_VALUE	1	ctx->defer_list.next->next	4096-ptr_max
PARAM_VALUE	1	ctx->defer_list.prev	4096-ptr_max
PARAM_VALUE	1	ctx->defer_list.prev->next	4096-ptr_max
PARAM_VALUE	1	ctx->defer_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctx->flags	0
PARAM_VALUE	1	ctx->futex_cache.entries	0,16,4096-ptr_max
PARAM_VALUE	1	ctx->hpage_acct.xa_flags	0
PARAM_VALUE	1	ctx->hpage_acct.xa_head	0
PARAM_VALUE	1	ctx->hybrid_poll_time	9223372036854775807
PARAM_VALUE	1	ctx->imu_cache.elem_size	560
PARAM_VALUE	1	ctx->imu_cache.entries	0,16,4096-ptr_max
PARAM_VALUE	1	ctx->imu_cache.init_clear	0
PARAM_VALUE	1	ctx->imu_cache.max_cached	128
PARAM_VALUE	1	ctx->imu_cache.nr_cached	0
PARAM_VALUE	1	ctx->int_flags	0,2-u32max
PARAM_VALUE	1	ctx->io_bl_xa.xa_flags	0
PARAM_VALUE	1	ctx->io_bl_xa.xa_head	0
PARAM_VALUE	1	ctx->mmap_lock.dep_map->name	0-255
PARAM_VALUE	1	ctx->mmap_lock.first_waiter	0
PARAM_VALUE	1	ctx->mmap_lock.magic	4096-ptr_max
PARAM_VALUE	1	ctx->mmap_lock.osq.tail.counter	0
PARAM_VALUE	1	ctx->mmap_lock.owner.counter	0
PARAM_VALUE	1	ctx->napi_busy_poll_dt	0
PARAM_VALUE	1	ctx->napi_list.next	4096-ptr_max
PARAM_VALUE	1	ctx->napi_list.next->next	4096-ptr_max
PARAM_VALUE	1	ctx->napi_list.prev	4096-ptr_max
PARAM_VALUE	1	ctx->napi_list.prev->next	4096-ptr_max
PARAM_VALUE	1	ctx->napi_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctx->napi_prefer_busy_poll	0
PARAM_VALUE	1	ctx->napi_track_mode	255
PARAM_VALUE	1	ctx->netmsg_cache.entries	0,16,4096-ptr_max
PARAM_VALUE	1	ctx->node_cache.elem_size	24
PARAM_VALUE	1	ctx->node_cache.entries	0,16,4096-ptr_max
PARAM_VALUE	1	ctx->node_cache.init_clear	0
PARAM_VALUE	1	ctx->node_cache.max_cached	128
PARAM_VALUE	1	ctx->node_cache.nr_cached	0
PARAM_VALUE	1	ctx->notify_method	2-3
PARAM_VALUE	1	ctx->personalities.xa_flags	12
PARAM_VALUE	1	ctx->personalities.xa_head	0
PARAM_VALUE	1	ctx->poll_wq.head.next	4096-ptr_max
PARAM_VALUE	1	ctx->poll_wq.head.next->next	4096-ptr_max
PARAM_VALUE	1	ctx->poll_wq.head.prev	4096-ptr_max
PARAM_VALUE	1	ctx->poll_wq.head.prev->next	4096-ptr_max
PARAM_VALUE	1	ctx->poll_wq.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctx->ref_comp.done	0
PARAM_VALUE	1	ctx->ref_comp.wait.lock.magic	3735899821
PARAM_VALUE	1	ctx->ref_comp.wait.lock.owner	(-1)
PARAM_VALUE	1	ctx->ref_comp.wait.lock.owner_cpu	u32max
PARAM_VALUE	1	ctx->ref_comp.wait.task_list.next	4096-ptr_max
PARAM_VALUE	1	ctx->ref_comp.wait.task_list.next->next	4096-ptr_max
PARAM_VALUE	1	ctx->ref_comp.wait.task_list.prev	4096-ptr_max
PARAM_VALUE	1	ctx->ref_comp.wait.task_list.prev->next	4096-ptr_max
PARAM_VALUE	1	ctx->ref_comp.wait.task_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctx->refs.data	4096-ptr_max
PARAM_VALUE	1	ctx->refs.data->confirm_switch	0
PARAM_VALUE	1	ctx->refs.data->count.counter	s64min-(-9223372036854775807),0-s64max
PARAM_VALUE	1	ctx->refs.data->ref	4096-ptr_max
PARAM_VALUE	1	ctx->refs.percpu_count_ptr	4096-18446744073709547523
PARAM_VALUE	1	ctx->ring_region->pages	4096-ptr_max
PARAM_VALUE	1	ctx->ring_region.nr_pages	0-s32max
PARAM_VALUE	1	ctx->ring_region.pages	4096-ptr_max
PARAM_VALUE	1	ctx->ring_region.ptr	18379471554275704832,18446612682070032384
PARAM_VALUE	1	ctx->rings	18379471554275704832,18446612682070032384
PARAM_VALUE	1	ctx->rings_rcu	18379471554275704832,18446612682070032384
PARAM_VALUE	1	ctx->rw_cache.entries	0,16,4096-ptr_max
PARAM_VALUE	1	ctx->sq_creds	0,4096-ptr_max
PARAM_VALUE	1	ctx->sq_data	4096-ptr_max
PARAM_VALUE	1	ctx->sq_data->ctx_list.next	4096-ptr_max
PARAM_VALUE	1	ctx->sq_data->ctx_list.prev	4096-ptr_max
PARAM_VALUE	1	ctx->sq_data->exited.done	0
PARAM_VALUE	1	ctx->sq_data->exited.wait.lock.magic	3735899821
PARAM_VALUE	1	ctx->sq_data->exited.wait.lock.owner	(-1)
PARAM_VALUE	1	ctx->sq_data->exited.wait.lock.owner_cpu	u32max
PARAM_VALUE	1	ctx->sq_data->exited.wait.task_list.next	4096-ptr_max
PARAM_VALUE	1	ctx->sq_data->exited.wait.task_list.prev	4096-ptr_max
PARAM_VALUE	1	ctx->sq_data->lock.first_waiter	0
PARAM_VALUE	1	ctx->sq_data->lock.magic	4096-ptr_max
PARAM_VALUE	1	ctx->sq_data->lock.osq.tail.counter	0
PARAM_VALUE	1	ctx->sq_data->lock.owner.counter	0
PARAM_VALUE	1	ctx->sq_data->park_pending.counter	0
PARAM_VALUE	1	ctx->sq_data->refs.refs.counter	1
PARAM_VALUE	1	ctx->sq_data->wait.head.next	4096-ptr_max
PARAM_VALUE	1	ctx->sq_data->wait.head.prev	4096-ptr_max
PARAM_VALUE	1	ctx->sq_region->pages	4096-ptr_max
PARAM_VALUE	1	ctx->sq_region.nr_pages	0-s32max
PARAM_VALUE	1	ctx->sq_region.pages	4096-ptr_max
PARAM_VALUE	1	ctx->sq_region.ptr	18379471554275704832,18446612682070032384
PARAM_VALUE	1	ctx->sq_sqes	18379471554275704832,18446612682070032384
PARAM_VALUE	1	ctx->sq_thread_idle	1-536870912
PARAM_VALUE	1	ctx->sqd_list.next	4096-ptr_max
PARAM_VALUE	1	ctx->sqd_list.next->next	4096-ptr_max
PARAM_VALUE	1	ctx->sqd_list.prev	4096-ptr_max
PARAM_VALUE	1	ctx->sqd_list.prev->next	4096-ptr_max
PARAM_VALUE	1	ctx->sqd_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctx->sqo_sq_wait.head.next	4096-ptr_max
PARAM_VALUE	1	ctx->sqo_sq_wait.head.next->next	4096-ptr_max
PARAM_VALUE	1	ctx->sqo_sq_wait.head.prev	4096-ptr_max
PARAM_VALUE	1	ctx->sqo_sq_wait.head.prev->next	4096-ptr_max
PARAM_VALUE	1	ctx->sqo_sq_wait.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctx->submit_state.free_list.next	0
PARAM_VALUE	1	ctx->tctx_list.next	4096-ptr_max
PARAM_VALUE	1	ctx->tctx_list.next->next	4096-ptr_max
PARAM_VALUE	1	ctx->tctx_list.prev	4096-ptr_max
PARAM_VALUE	1	ctx->tctx_list.prev->next	4096-ptr_max
PARAM_VALUE	1	ctx->tctx_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	ctx->tctx_lock.dep_map->name	0-255
PARAM_VALUE	1	ctx->tctx_lock.first_waiter	0
PARAM_VALUE	1	ctx->tctx_lock.magic	4096-ptr_max
PARAM_VALUE	1	ctx->tctx_lock.osq.tail.counter	0
PARAM_VALUE	1	ctx->tctx_lock.owner.counter	0
PARAM_VALUE	1	ctx->timeout_lock.magic	3735899821
PARAM_VALUE	1	ctx->timeout_lock.owner	(-1)
PARAM_VALUE	1	ctx->timeout_lock.owner_cpu	u32max
PARAM_VALUE	1	ctx->uring_lock.dep_map->name	0-255
PARAM_VALUE	1	ctx->uring_lock.first_waiter	0
PARAM_VALUE	1	ctx->uring_lock.magic	4096-ptr_max
PARAM_VALUE	1	ctx->uring_lock.osq.tail.counter	0
PARAM_VALUE	1	ctx->uring_lock.owner.counter	0
PARAM_VALUE	1	ctx->work_head	4096-ptr_max
PARAM_VALUE	1	ctx->work_list.stub.next	0
PARAM_VALUE	1	ctx->work_list.tail	4096-ptr_max
PARAM_VALUE	1	ctx->zcrx_ctxs.xa_flags	33554436
PARAM_VALUE	1	ctx->zcrx_ctxs.xa_head	0
PARAM_VALUE	1	*ctx->sq_array	0-255
BUF_SIZE	1	ctx	2624
BUF_SIZE	1	ctx->sq_data	(-1),400
DATA_SOURCE	0	task	r create_io_thread
DATA_SOURCE	1	ctx	$0
FUZZY_MAX	1	ctx->notify_method	3
FUZZY_MAX	1	ctx->sq_thread_idle	250
BIT_INFO	1	ctx->notify_method	0x2,0xffffffffffffffff
HARD_MAX	1	ctx->notify_method	3
USER_DATA	1	ctx->flags	0
NO_OVERFLOW_SIMPLE	1	ctx->apoll_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->cmd_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->futex_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->imu_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->netmsg_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->node_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->ring_region.nr_pages
NO_OVERFLOW_SIMPLE	1	ctx->rw_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->sq_region.nr_pages

io_uring/tctx.c __io_uring_add_tctx_node() -> io_uring_alloc_task_context()

Type	Parameter	Key	Value
PARAM_VALUE	1	ctx	4096-ptr_max
BUF_SIZE	1	ctx	s32min-(-2),1-s32max
BUF_SIZE	1	ctx	s32min-(-2),1-s32max
DATA_SOURCE	1	ctx	$0
USER_DATA	1	ctx->flags	0
NO_OVERFLOW_SIMPLE	1	ctx->apoll_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->cmd_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->futex_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->imu_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->netmsg_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->node_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->ring_region.nr_pages
NO_OVERFLOW_SIMPLE	1	ctx->rw_cache.max_cached
NO_OVERFLOW_SIMPLE	1	ctx->sq_region.nr_pages
UNITS	1	ctx	unit_byte