104 static unsigned long *get_ftrace_locations(const char **syms, int num)  in get_ftrace_locations()  argument
109 	addrs = kcalloc(num, sizeof(*addrs), GFP_KERNEL);  in get_ftrace_locations()
114 	sort(syms, num, sizeof(*syms), symbols_cmp, NULL);  in get_ftrace_locations()
116 	if (!ftrace_lookup_symbols(syms, num, addrs))  in get_ftrace_locations()
133 static int fprobe_init_rethook(struct fprobe *fp, int num)  in fprobe_init_rethook()  argument
137 	if (num <= 0)  in fprobe_init_rethook()
149 		size = num * num_possible_cpus() * 2;  in fprobe_init_rethook()
250 int register_fprobe_ips(struct fprobe *fp, unsigned long *addrs, int num)  in register_fprobe_ips()  argument
254 	if (!fp || !addrs || num <= 0)  in register_fprobe_ips()
259 	ret = ftrace_set_filter_ips(&fp->ops, addrs, num, 0, 0);  in register_fprobe_ips()
263 	ret = fprobe_init_rethook(fp, num);  in register_fprobe_ips()
284 int register_fprobe_syms(struct fprobe *fp, const char **syms, int num)  in register_fprobe_syms()  argument
289 	if (!fp || !syms || num <= 0)  in register_fprobe_syms()
292 	addrs = get_ftrace_locations(syms, num);  in register_fprobe_syms()
296 	ret = register_fprobe_ips(fp, addrs, num);  in register_fprobe_syms()