scx_vexit
ret = scx_vexit(sch, kind, exit_code, exit_cpu, fmt, args);
__printf(5, 0) bool scx_vexit(struct scx_sched *sch, enum scx_exit_kind kind,
scx_vexit((sch), SCX_EXIT_ERROR, 0, raw_smp_processor_id(), fmt, args)