stack_trace_filter_buf  542 kernel/trace/trace_stack.c static char stack_trace_filter_buf[COMMAND_LINE_SIZE+1] __initdata;
stack_trace_filter_buf  549 kernel/trace/trace_stack.c 		strncpy(stack_trace_filter_buf, str + len, COMMAND_LINE_SIZE);
stack_trace_filter_buf  575 kernel/trace/trace_stack.c 	if (stack_trace_filter_buf[0])
stack_trace_filter_buf  576 kernel/trace/trace_stack.c 		ftrace_set_early_filter(&trace_ops, stack_trace_filter_buf, 1);