include/linux/ftrace.h:147: warning: cannot understand function prototype: 'struct ftrace_regs '
include/linux/ftrace.h:783: warning: No description found for return value of 'ftrace_make_nop'
include/linux/ftrace.h:825: warning: No description found for return value of 'ftrace_init_nop'
include/linux/ftrace.h:850: warning: No description found for return value of 'ftrace_make_call'
include/linux/ftrace.h:880: warning: No description found for return value of 'ftrace_modify_call'
include/linux/ftrace.h:1152: warning: Function parameter or struct member 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE'
include/linux/ftrace.h:1152: warning: expecting prototype for ftrace_graph_is_dead(). Prototype was for DECLARE_STATIC_KEY_FALSE() instead
kernel/trace/fgraph.c:424: warning: No description found for return value of 'fgraph_get_task_var'
kernel/trace/fgraph.c:859: warning: No description found for return value of 'ftrace_graph_get_ret_stack'
kernel/trace/fgraph.c:895: warning: No description found for return value of 'ftrace_graph_ret_addr'
include/linux/ftrace.h:153: warning: cannot understand function prototype: 'struct ftrace_regs '
include/linux/ftrace.h:791: warning: No description found for return value of 'ftrace_make_nop'
include/linux/ftrace.h:833: warning: No description found for return value of 'ftrace_init_nop'
include/linux/ftrace.h:858: warning: No description found for return value of 'ftrace_make_call'
include/linux/ftrace.h:888: warning: No description found for return value of 'ftrace_modify_call'
include/linux/ftrace.h:1160: warning: Function parameter or struct member 'kill_ftrace_graph' not described in 'DECLARE_STATIC_KEY_FALSE'
include/linux/ftrace.h:1160: warning: expecting prototype for ftrace_graph_is_dead(). Prototype was for DECLARE_STATIC_KEY_FALSE() instead
kernel/trace/fgraph.c:424: warning: No description found for return value of 'fgraph_get_task_var'
kernel/trace/fgraph.c:856: warning: No description found for return value of 'ftrace_graph_get_ret_stack'
kernel/trace/fgraph.c:892: warning: No description found for return value of 'ftrace_graph_ret_addr'