Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/trace/ring_buffer.c __rb_get_reader_page() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | flags | ||
| HALF_LOCKED2 | &cpu_buffer->mapping_lock | ||
| HALF_LOCKED2 | &cpu_buffer->reader_lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq |
kernel/trace/ring_buffer.c __rb_get_reader_page() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| PARAM_VALUE | 0 | bpage->page | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | flags | ||
| HALF_LOCKED2 | &cpu_buffer->mapping_lock | ||
| HALF_LOCKED2 | &cpu_buffer->reader_lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq |
kernel/trace/ring_buffer.c __rb_get_reader_page_from_remote() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &cpu_buffer->mapping_lock | ||
| HALF_LOCKED2 | &cpu_buffer->reader_lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq |
kernel/trace/ring_buffer.c __rb_get_reader_page_from_remote() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| PARAM_VALUE | 0 | bpage->page | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &cpu_buffer->mapping_lock | ||
| HALF_LOCKED2 | &cpu_buffer->reader_lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq |
kernel/trace/ring_buffer.c rb_advance_iter() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &cpu_buffer->reader_lock | ||
| LOCK2 | flags | ||
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |
kernel/trace/ring_buffer.c rb_iter_head_event() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &cpu_buffer->reader_lock | ||
| LOCK2 | flags | ||
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |
kernel/trace/ring_buffer.c rb_iter_head_event() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| PARAM_VALUE | 0 | bpage->page | 4096-ptr_max |
| CAPPED_DATA | 0 | bpage->page->time_stamp | 1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &cpu_buffer->reader_lock | ||
| LOCK2 | flags | ||
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |
kernel/trace/ring_buffer.c rb_iter_peek() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &cpu_buffer->reader_lock | ||
| LOCK2 | flags | ||
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |
kernel/trace/ring_buffer.c rb_validate_buffer() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| PARAM_VALUE | 0 | bpage->page | 4096-ptr_max |
| BUF_SIZE | 0 | bpage | (-1)-s32max |
| BUF_SIZE | 0 | bpage | (-1)-s32max |
| DATA_SOURCE | 0 | bpage | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
kernel/trace/ring_buffer.c ring_buffer_iter_empty() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| PARAM_VALUE | 0 | bpage->page | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &cpu_buffer->reader_lock | ||
| HALF_LOCKED2 | flags |
kernel/trace/ring_buffer.c ring_buffer_iter_empty() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &cpu_buffer->reader_lock | ||
| HALF_LOCKED2 | flags |
kernel/trace/ring_buffer.c ring_buffer_map_get_reader() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | <- disables preempt | ||
| LOCK2 | &cpu_buffer->reader_lock | ||
| LOCK2 | flags | ||
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |
kernel/trace/ring_buffer.c ring_buffer_map_get_reader() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| DATA_SOURCE | 0 | bpage | r rb_get_reader_page |
| PREEMPT_ADD | <- disables preempt | ||
| LOCK2 | &cpu_buffer->reader_lock | ||
| LOCK2 | flags | ||
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |
kernel/trace/ring_buffer.c ring_buffer_read_page() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| PARAM_VALUE | 0 | bpage->page | 4096-ptr_max |
| DATA_SOURCE | 0 | bpage | r rb_get_reader_page |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &cpu_buffer->reader_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | global &all_cpu_access_lock | ||
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |
kernel/trace/ring_buffer.c ring_buffer_read_page() -> rb_page_size()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | bpage | 4096-ptr_max |
| PARAM_VALUE | 0 | bpage->page | 4096-ptr_max |
| DATA_SOURCE | 0 | bpage | r rb_get_reader_page |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &cpu_buffer->reader_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | global &all_cpu_access_lock | ||
| TYPE_LOCK | (struct ring_buffer_per_cpu)->reader_lock |