include/linux/ftrace.h:149: warning: cannot understand function prototype: 'struct ftrace_regs ' include/linux/ftrace.h:780: warning: No description found for return value of 'ftrace_make_nop' include/linux/ftrace.h:822: warning: No description found for return value of 'ftrace_init_nop' include/linux/ftrace.h:847: warning: No description found for return value of 'ftrace_make_call' include/linux/ftrace.h:877: warning: No description found for return value of 'ftrace_modify_call' include/linux/ftrace.h:1149: warning: Function parameter or struct member 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE' include/linux/ftrace.h:1149: warning: expecting prototype for ftrace_graph_is_dead(). Prototype was for DECLARE_STATIC_KEY_FALSE() instead kernel/trace/fgraph.c:411: warning: No description found for return value of 'fgraph_get_task_var' kernel/trace/fgraph.c:894: warning: No description found for return value of 'ftrace_graph_get_ret_stack' kernel/trace/fgraph.c:916: warning: No description found for return value of 'ftrace_graph_top_ret_addr' kernel/trace/fgraph.c:953: warning: No description found for return value of 'ftrace_graph_ret_addr' kernel/trace/ftrace.c:1496: warning: No description found for return value of 'ftrace_hash_move' kernel/trace/ftrace.c:2416: warning: No description found for return value of 'ftrace_update_record' kernel/trace/ftrace.c:2430: warning: No description found for return value of 'ftrace_test_record' kernel/trace/ftrace.c:3455: warning: No description found for return value of 'ftrace_startup_subops' kernel/trace/ftrace.c:3586: warning: No description found for return value of 'ftrace_shutdown_subops' kernel/trace/ftrace.c:6175: warning: No description found for return value of 'ftrace_set_filter_ip' kernel/trace/ftrace.c:6198: warning: No description found for return value of 'ftrace_set_filter_ips' kernel/trace/ftrace.c:6244: warning: No description found for return value of 'ftrace_set_filter' kernel/trace/ftrace.c:6267: warning: No description found for return value of 'ftrace_set_notrace' kernel/trace/ftrace.c:8588: warning: No description found for return value of 'register_ftrace_function' kernel/trace/ftrace.c:8611: warning: No description found for return value of 'unregister_ftrace_function' kernel/trace/trace.h:303: warning: Function parameter or struct member 'cond_data' not described in 'cond_snapshot' kernel/trace/trace.h:619: warning: Function parameter or struct member 'print_header' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'flag_changed' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'next' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'enabled' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'print_max' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'allow_instances' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'use_max_tr' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'noboot' not described in 'tracer' kernel/trace/trace.h:619: warning: Excess struct member 'print_headers' description in 'tracer' kernel/trace/trace.h:1948: warning: Function parameter or struct member 'list' not described in 'event_command' kernel/trace/trace.h:1981: warning: Enum value 'EVENT_CMD_FL_POST_TRIGGER' not described in enum 'event_command_flags' kernel/trace/trace.h:1981: warning: Enum value 'EVENT_CMD_FL_NEEDS_REC' not described in enum 'event_command_flags' kernel/trace/trace.h:1981: warning: Excess enum value 'POST_TRIGGER' description in 'event_command_flags' kernel/trace/trace.h:1981: warning: Excess enum value 'NEEDS_REC' description in 'event_command_flags' include/linux/ftrace.h:149: warning: cannot understand function prototype: 'struct ftrace_regs ' include/linux/ftrace.h:780: warning: No description found for return value of 'ftrace_make_nop' include/linux/ftrace.h:822: warning: No description found for return value of 'ftrace_init_nop' include/linux/ftrace.h:847: warning: No description found for return value of 'ftrace_make_call' include/linux/ftrace.h:877: warning: No description found for return value of 'ftrace_modify_call' include/linux/ftrace.h:1158: warning: Function parameter or struct member 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE' include/linux/ftrace.h:1158: warning: expecting prototype for ftrace_graph_is_dead(). Prototype was for DECLARE_STATIC_KEY_FALSE() instead kernel/trace/fgraph.c:412: warning: No description found for return value of 'fgraph_get_task_var' kernel/trace/fgraph.c:897: warning: No description found for return value of 'ftrace_graph_get_ret_stack' kernel/trace/fgraph.c:919: warning: No description found for return value of 'ftrace_graph_top_ret_addr' kernel/trace/fgraph.c:956: warning: No description found for return value of 'ftrace_graph_ret_addr' kernel/trace/ftrace.c:1497: warning: No description found for return value of 'ftrace_hash_move' kernel/trace/ftrace.c:2417: warning: No description found for return value of 'ftrace_update_record' kernel/trace/ftrace.c:2431: warning: No description found for return value of 'ftrace_test_record' kernel/trace/ftrace.c:3456: warning: No description found for return value of 'ftrace_startup_subops' kernel/trace/ftrace.c:3587: warning: No description found for return value of 'ftrace_shutdown_subops' kernel/trace/ftrace.c:6176: warning: No description found for return value of 'ftrace_set_filter_ip' kernel/trace/ftrace.c:6199: warning: No description found for return value of 'ftrace_set_filter_ips' kernel/trace/ftrace.c:6245: warning: No description found for return value of 'ftrace_set_filter' kernel/trace/ftrace.c:6268: warning: No description found for return value of 'ftrace_set_notrace' kernel/trace/ftrace.c:8589: warning: No description found for return value of 'register_ftrace_function' kernel/trace/ftrace.c:8612: warning: No description found for return value of 'unregister_ftrace_function' kernel/trace/trace.h:303: warning: Function parameter or struct member 'cond_data' not described in 'cond_snapshot' kernel/trace/trace.h:619: warning: Function parameter or struct member 'print_header' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'flag_changed' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'next' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'enabled' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'print_max' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'allow_instances' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'use_max_tr' not described in 'tracer' kernel/trace/trace.h:619: warning: Function parameter or struct member 'noboot' not described in 'tracer' kernel/trace/trace.h:619: warning: Excess struct member 'print_headers' description in 'tracer' kernel/trace/trace.h:1949: warning: Function parameter or struct member 'list' not described in 'event_command' kernel/trace/trace.h:1982: warning: Enum value 'EVENT_CMD_FL_POST_TRIGGER' not described in enum 'event_command_flags' kernel/trace/trace.h:1982: warning: Enum value 'EVENT_CMD_FL_NEEDS_REC' not described in enum 'event_command_flags' kernel/trace/trace.h:1982: warning: Excess enum value 'NEEDS_REC' description in 'event_command_flags' kernel/trace/trace.h:1982: warning: Excess enum value 'POST_TRIGGER' description in 'event_command_flags'