Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 4 files:
- kernel/cgroup/cgroup-v1.c, line 774
- kernel/cgroup/cgroup.c, line 6338
- kernel/cgroup/debug.c, line 270
- security/device_cgroup.c
Smatch caller information:
security/device_cgroup.c devcgroup_update_access() -> css_has_online_children()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | css | 4096-ptr_max |
| CAPABLE | 0 | 21 | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &of->mutex | ||
| LOCK2 | global &devcgroup_mutex | ||
| HALF_LOCKED2 | &of->prealloc_mutex | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct kernfs_open_file)->mutex |
security/device_cgroup.c devcgroup_update_access() -> css_has_online_children()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | css | 4096-ptr_max |
| CAPABLE | 0 | 21 | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &of->mutex | ||
| LOCK2 | global &devcgroup_mutex | ||
| HALF_LOCKED2 | &of->prealloc_mutex | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct kernfs_open_file)->mutex |
kernel/cgroup/cgroup.c cgroup_destroy_locked() -> css_has_online_children()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | css | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | global &cgroup_mutex | ||
| HALF_LOCKED2 | &dentry->d_lockref.lock |
kernel/cgroup/cgroup-v1.c cgroup1_check_for_release() -> css_has_online_children()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | css | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | global &cgroup_mutex | ||
| HALF_LOCKED2 | global &css_set_lock |
kernel/cgroup/debug.c releasable_read() -> css_has_online_children()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | css | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &m->lock | ||
| TYPE_LOCK | (struct seq_file)->lock |