Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/locking/rwsem.c __down_read_trylock() -> rwsem_set_reader_owned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sem | 4096-ptr_max |
| BUF_SIZE | 0 | sem | (-1),160 |
| BUF_SIZE | 0 | sem | (-1),160 |
| DATA_SOURCE | 0 | sem | $0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | l1 |
kernel/locking/rwsem.c __downgrade_write() -> rwsem_set_reader_owned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sem | 4096-ptr_max |
| DATA_SOURCE | 0 | sem | $0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | sem->osq.tail.counter | 0-s32max |
| HALF_LOCKED2 | &card->controls_rwsem | ||
| HALF_LOCKED2 | &con->sock_lock | ||
| HALF_LOCKED2 | &ctx->rwsem | ||
| HALF_LOCKED2 | &d->sem | ||
| HALF_LOCKED2 | &device->client_data_rwsem | ||
| HALF_LOCKED2 | &dvnode->validate_lock | ||
| HALF_LOCKED2 | &group->mode_sem | ||
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &mdsc->snap_rwsem | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &nilfs->ns_segctor_sem | ||
| HALF_LOCKED2 | &of->mutex | ||
| HALF_LOCKED2 | &osdc->lock | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | &rbd_dev->lock_rwsem | ||
| HALF_LOCKED2 | &rdev->exclusive_lock | ||
| HALF_LOCKED2 | &session->s_mutex | ||
| HALF_LOCKED2 | &svms->lock | ||
| HALF_LOCKED2 | &vm->lock | ||
| HALF_LOCKED2 | &vnode->validate_lock | ||
| HALF_LOCKED2 | b | ||
| HALF_LOCKED2 | global &clients_rwsem | ||
| HALF_LOCKED2 | global &devices_rwsem | ||
| HALF_LOCKED2 | global &htable_rw_lock | ||
| HALF_LOCKED2 | global &key_types_sem |
kernel/locking/rwsem.c rwsem_down_read_slowpath() -> rwsem_set_reader_owned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sem | 4096-ptr_max |
| BUF_SIZE | 0 | sem->dep_map.name | (-1),20 |
| BUF_SIZE | 0 | sem->magic | (-1),160 |
| DATA_SOURCE | 0 | sem | $0 |
| STR_LEN | 0 | sem->dep_map.name | (-1),19 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |
kernel/locking/rwsem.c rwsem_down_read_slowpath() -> rwsem_set_reader_owned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sem | 4096-ptr_max |
| BUF_SIZE | 0 | sem->dep_map.name | (-1),20 |
| BUF_SIZE | 0 | sem->magic | (-1),160 |
| DATA_SOURCE | 0 | sem | $0 |
| STR_LEN | 0 | sem->dep_map.name | (-1),19 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |
kernel/locking/rwsem.c rwsem_read_trylock() -> rwsem_set_reader_owned()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sem | 4096-ptr_max |
| BUF_SIZE | 0 | sem->dep_map.name | (-1),20 |
| BUF_SIZE | 0 | sem->magic | (-1),160 |
| DATA_SOURCE | 0 | sem | $0 |
| STR_LEN | 0 | sem->dep_map.name | (-1),19 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |