Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/trace/ring_buffer.c rb_handle_head_page() -> rb_update_meta_head()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->ring_meta | 1-u64max |
| PARAM_VALUE | 1 | next_page | 4096-ptr_max |
| PARAM_VALUE | 1 | next_page->page | 4096-ptr_max |
| CAPPED_DATA | 0 | cpu_buffer->buffer->subbuf_size | 1 |
| DATA_SOURCE | 0 | cpu_buffer | $0 |
| DATA_SOURCE | 1 | next_page | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |
kernel/trace/ring_buffer.c rb_update_meta_reader() -> rb_update_meta_head()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpu_buffer | 4096-ptr_max |
| PARAM_VALUE | 0 | cpu_buffer->ring_meta | 4096-ptr_max |
| PARAM_VALUE | 1 | next_page | 4096-ptr_max |
| PARAM_VALUE | 1 | next_page->page | 4096-ptr_max |
| CAPPED_DATA | 0 | cpu_buffer->reader_page->read | 1 |
| CAPPED_DATA | 1 | next_page | 1 |
| DATA_SOURCE | 0 | cpu_buffer | $0 |
| DATA_SOURCE | 1 | next_page | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | 0 | &cpu_buffer->mapping_lock | |
| HALF_LOCKED2 | 0 | &cpu_buffer->reader_lock |