verbose
#define verbose(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#define verbose(fmt, ...) pr_info(fmt, ##__VA_ARGS__)
#define verbose(env, fmt, args...) bpf_verifier_log_write(env, fmt, ##args)
static int verbose(struct lock_class *class)
#define verbose(fmt, ...) do { if (verbose_opt) printf(fmt, ## __VA_ARGS__); } while (0)
static bool verbose(void)