Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/events/core.c find_get_context() -> unclone_ctx()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | ctx | r perf_lock_task_context |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | _T->lock |
kernel/events/core.c perf_event_enable_on_exec() -> unclone_ctx()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->is_active | (-2147483640)-s32max |
| PARAM_VALUE | 0 | ctx->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->lock.owner_cpu | 0 |
| PARAM_VALUE | 0 | ctx->lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 0 | ctx->nr_events | s32min-(-1),1-s32max |
| CAPPED_DATA | 0 | ctx | 1 |
| CAPPED_DATA | 0 | &ctx->event_list | 1 |
| DATA_SOURCE | 0 | ctx | $0 |
| BIT_INFO | 0 | ctx | 0x0,0x0 |
| LOCK2 | &cpuctx->ctx.lock | ||
| LOCK2 | &tsk->signal->exec_update_lock | ||
| LOCK2 | flags | ||
| LOCK2 | 0 | &ctx->lock | |
| TYPE_LOCK | (struct perf_event_context)->lock |
kernel/events/core.c perf_event_exit_task_context() -> unclone_ctx()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->callback_head.func | 1-u64max |
| PARAM_VALUE | 0 | ctx->callback_head.next | 0 |
| PARAM_VALUE | 0 | ctx->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->lock.owner_cpu | 0 |
| PARAM_VALUE | 0 | ctx->lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 0 | ctx->mutex.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->mutex.first_waiter | 0,4096-ptr_max |
| PARAM_VALUE | 0 | ctx->mutex.first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | ctx->mutex.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 0 | ctx->mutex.wait_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->mutex.wait_lock.owner | (-1) |
| PARAM_VALUE | 0 | ctx->mutex.wait_lock.owner_cpu | u32max |
| PARAM_VALUE | 0 | ctx->parent_ctx->task->rcu.func | 1-u64max |
| PARAM_VALUE | 0 | ctx->task | (-1) |
| CAPPED_DATA | 0 | ctx | 1 |
| CAPPED_DATA | 0 | &ctx->mutex | 1 |
| DATA_SOURCE | 0 | ctx | r perf_pin_task_context |
| BIT_INFO | 0 | ctx | 0x0,0x0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | irq | ||
| LOCK2 | 0 | &ctx->lock | |
| LOCK2 | 0 | &ctx->mutex | |
| TYPE_LOCK | (struct perf_event_context)->lock | ||
| TYPE_LOCK | (struct perf_event_context)->mutex |
kernel/events/core.c perf_event_remove_on_exec() -> unclone_ctx()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->lock.owner_cpu | 0 |
| PARAM_VALUE | 0 | ctx->lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 0 | ctx->mutex.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->mutex.first_waiter->list.prev->next | 5159360019465732096 |
| PARAM_VALUE | 0 | ctx->mutex.wait_lock.dep_map->name | 0-255 |
| CAPPED_DATA | 0 | ctx | 1 |
| CAPPED_DATA | 0 | &ctx->event_list | 1 |
| CAPPED_DATA | 0 | &ctx->mutex | 1 |
| DATA_SOURCE | 0 | ctx | $0 |
| BIT_INFO | 0 | ctx | 0x0,0x0 |
| PREEMPT_ADD | <- disables preempt | ||
| LOCK2 | &tsk->signal->exec_update_lock | ||
| LOCK2 | flags | ||
| LOCK2 | 0 | &ctx->lock | |
| LOCK2 | 0 | &ctx->mutex | |
| TYPE_LOCK | (struct perf_event_context)->lock | ||
| TYPE_LOCK | (struct perf_event_context)->mutex |