kprobe_ftrace_handler 205 arch/parisc/kernel/ftrace.c void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip, kprobe_ftrace_handler 16 arch/powerpc/kernel/kprobes-ftrace.c void kprobe_ftrace_handler(unsigned long nip, unsigned long parent_nip, kprobe_ftrace_handler 16 arch/x86/kernel/kprobes/ftrace.c void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,