__dynamic_pr_debug
__dynamic_pr_debug(descriptor, "ACPI: %s: %pV", path ? path : "<n/a>", &vaf);
__dynamic_pr_debug(&descriptor, __drbd_printk_ ## struct_name ## _fmt(fmt), \
void __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...);
_dynamic_func_call_cls(cls, fmt, __dynamic_pr_debug, \
_dynamic_func_call(fmt, __dynamic_pr_debug, \
__dynamic_pr_debug(&descriptor, pr_fmt(fmt), \
__dynamic_pr_debug(&descriptor, pr_fmt(fmt), ##__VA_ARGS__); \
EXPORT_SYMBOL(__dynamic_pr_debug);