Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
drivers/xen/evtchn.c evtchn_read() -> evtchn_ring_offset()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | u | 4096-ptr_max |
| BUF_SIZE | 0 | u | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | u | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | &u->ring_cons_mutex | 1 |
| LOCK2 | 0 | &u->ring_cons_mutex | |
| TYPE_LOCK | (struct per_user_data)->ring_cons_mutex |
drivers/xen/evtchn.c evtchn_read() -> evtchn_ring_offset()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | u | 4096-ptr_max |
| BUF_SIZE | 0 | u | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | u | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | &u->ring_cons_mutex | 1 |
| LOCK2 | 0 | &u->ring_cons_mutex | |
| TYPE_LOCK | (struct per_user_data)->ring_cons_mutex |
drivers/xen/evtchn.c evtchn_ring_entry() -> evtchn_ring_offset()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | u | 4096-ptr_max |
| BUF_SIZE | 0 | u | s32min-(-1),1-s32max |
| BUF_SIZE | 0 | u | s32min-(-1),1-s32max |
| DATA_SOURCE | 0 | u | $0 |
| DATA_SOURCE | 1 | idx | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | 0 | &u->ring_cons_mutex | |
| HALF_LOCKED2 | 0 | &u->ring_prod_lock |