option_string 506 drivers/firmware/efi/libstub/efi-stub-helper.c char *cmd_line, char *option_string, option_string 537 drivers/firmware/efi/libstub/efi-stub-helper.c str = strstr(str, option_string); option_string 541 drivers/firmware/efi/libstub/efi-stub-helper.c str += strlen(option_string); option_string 567 drivers/firmware/efi/libstub/efi-stub-helper.c str = strstr(str, option_string); option_string 571 drivers/firmware/efi/libstub/efi-stub-helper.c str += strlen(option_string); option_string 1613 include/linux/efi.h char *cmd_line, char *option_string,