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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/trace/ring_buffer.c __rb_get_reader_page() -> rb_init_data_page()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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 alloc_cpu_data() -> rb_init_data_page()

Type Parameter Key Value
PARAM_VALUE 0 bpage 18379471554275704832,18446612682070032384
DATA_SOURCE 0 bpage r lowmem_page_address
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

kernel/trace/ring_buffer.c rb_clear_buffer_page() -> rb_init_data_page()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &buffer->mutex
LOCK2 &cpu_buffer->reader_lock
LOCK2 irq
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct ring_buffer_per_cpu)->reader_lock
TYPE_LOCK (struct trace_buffer)->mutex

kernel/trace/ring_buffer.c rb_meta_validate_events() -> rb_init_data_page()

Type Parameter Key Value
PARAM_VALUE 0 bpage 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

kernel/trace/ring_buffer.c rb_meta_validate_events() -> rb_init_data_page()

Type Parameter Key Value
PARAM_VALUE 0 bpage 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

kernel/trace/ring_buffer.c rb_range_meta_init() -> rb_init_data_page()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 irq

kernel/trace/ring_buffer.c ring_buffer_alloc_read_page() -> rb_init_data_page()

Type Parameter Key Value
PARAM_VALUE 0 bpage 1-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 global &all_cpu_access_lock

kernel/trace/ring_buffer.c ring_buffer_read_page() -> rb_init_data_page()

Type Parameter Key Value
PARAM_VALUE 0 bpage 1-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &cpu_buffer->reader_lock
LOCK2 irq
HALF_LOCKED2 global &all_cpu_access_lock
TYPE_LOCK (struct ring_buffer_per_cpu)->reader_lock