Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
mm/userfaultfd.c userfaultfd_ctx_read() -> userfaultfd_event_complete()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->event_wqh.lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->fault_pending_wqh.lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->fd_wqh.lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | ewq | 4096-ptr_max |
| PARAM_VALUE | 1 | ewq->msg.event | 0-18,20-255 |
| BUF_SIZE | 0 | ctx | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | ctx | s32min-(-2),1-s32max |
| DATA_SOURCE | 0 | ctx | $0 |
| DATA_SOURCE | 1 | ewq | r find_userfault_evt |
| PARAM_COMPARE | 0 | &ctx->event_wqh.head | != $0->event_wqh.head.next |
| PARAM_COMPARE | 0 | &ctx->fault_pending_wqh.head | == $0->fault_pending_wqh.head.next |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | irq | ||
| LOCK2 | 0 | &ctx->event_wqh.lock | |
| LOCK2 | 0 | &ctx->fd_wqh.lock | |
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct wait_queue_head)->lock |
mm/userfaultfd.c userfaultfd_ctx_read() -> userfaultfd_event_complete()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->event_wqh.lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->fault_pending_wqh.lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->fd_wqh.lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | ewq | 4096-ptr_max |
| PARAM_VALUE | 1 | ewq->wq.entry.next | 4096-ptr_max |
| PARAM_VALUE | 1 | ewq->wq.entry.next->prev | 4096-ptr_max |
| PARAM_VALUE | 1 | ewq->wq.entry.prev | 4096-ptr_max |
| PARAM_VALUE | 1 | ewq->wq.entry.prev->next | 4096-ptr_max |
| BUF_SIZE | 0 | ctx | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | ctx | s32min-(-2),1-s32max |
| DATA_SOURCE | 0 | ctx | $0 |
| PARAM_COMPARE | 0 | &ctx->fault_pending_wqh.head | == $0->fault_pending_wqh.head.next |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | irq | ||
| LOCK2 | 0 | &ctx->event_wqh.lock | |
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct wait_queue_head)->lock |