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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/workqueue.c bh_worker() -> need_more_worker()

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

kernel/workqueue.c drain_dead_softirq_workfn() -> need_more_worker()

Type Parameter Key Value
PARAM_VALUE 0 pool 4096-ptr_max
BIT_INFO 0 pool->flags 0x0,0xfffffff7
PREEMPT_ADD <- disables preempt
LOCK2 irq
LOCK2 0 &pool->lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct worker_pool)->lock

kernel/workqueue.c kick_pool_pick() -> need_more_worker()

Type Parameter Key Value
PARAM_VALUE 0 pool 4096-ptr_max
BUF_SIZE 0 pool (-1),2160
BUF_SIZE 0 pool (-1),2160
CAPPED_DATA 0 pool 1
DATA_SOURCE 0 pool $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq
HALF_LOCKED2 rcu_read
HALF_LOCKED2 0 &pool->lock
TYPE_LOCK (struct worker_pool)->lock

kernel/workqueue.c need_to_create_worker() -> need_more_worker()

Type Parameter Key Value
PARAM_VALUE 0 pool 4096-ptr_max
BUF_SIZE 0 pool->manager (-1),128
DATA_SOURCE 0 pool $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 global &wq_mayday_lock
HALF_LOCKED2 irq
HALF_LOCKED2 0 &pool->lock

kernel/workqueue.c worker_thread() -> need_more_worker()

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

kernel/workqueue.c workqueue_softirq_action() -> need_more_worker()

Type Parameter Key Value

kernel/workqueue.c workqueue_softirq_dead() -> need_more_worker()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &cpuhp_state_mutex
HALF_LOCKED2 irq