Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/trace/ring_buffer.c ring_buffer_resize() -> rb_update_pages()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->nr_pages_to_update | s64min-(-1),1-s64max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &buffer->mutex | ||
| HALF_LOCKED2 | _T->lock | ||
| TYPE_LOCK | (struct trace_buffer)->mutex |
kernel/trace/ring_buffer.c ring_buffer_resize() -> rb_update_pages()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.next | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.prev->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->resize_disabled.counter | 0 |
| CAPPED_DATA | 0 | cpu_buffer->nr_pages_to_update | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &buffer->mutex | ||
| HALF_LOCKED2 | _T->lock | ||
| TYPE_LOCK | (struct trace_buffer)->mutex |
kernel/trace/ring_buffer.c ring_buffer_resize() -> rb_update_pages()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.next | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->new_pages.prev->prev | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->resize_disabled.counter | 0 |
| CAPPED_DATA | 0 | cpu_buffer->nr_pages_to_update | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &buffer->mutex | ||
| HALF_LOCKED2 | _T->lock | ||
| TYPE_LOCK | (struct trace_buffer)->mutex |
kernel/trace/ring_buffer.c update_pages_handler() -> rb_update_pages()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &buffer->mutex |