parse_option_str
async_drv = parse_option_str(async_probe_drv_names, drv_name);
async_probe_default = parse_option_str(async_probe_drv_names, "*");
if (parse_option_str(str, "debug"))
if (parse_option_str(str, "noruntime"))
if (parse_option_str(str, "runtime"))
if (parse_option_str(str, "nosoftreserve"))
if (parse_option_str(val, "on"))
else if (parse_option_str(val, "off"))
efi_nochunk = parse_option_str(val, "nochunk");
efi_novamap |= parse_option_str(val, "novamap");
parse_option_str(val, "nosoftreserve");
if (parse_option_str(val, "disable_early_pci_dma"))
if (parse_option_str(val, "no_disable_early_pci_dma"))
if (parse_option_str(val, "debug"))
extern bool parse_option_str(const char *str, const char *option);
if (parse_option_str(p, "mirror")) {