LINUX_EFI_CRASH_GUID
status = efivar_get_variable(varname, &LINUX_EFI_CRASH_GUID, NULL,
efi_guid_t guid = LINUX_EFI_CRASH_GUID;
if (efi_guidcmp(guid, LINUX_EFI_CRASH_GUID))
status = efivar_set_variable_locked(efi_name, &LINUX_EFI_CRASH_GUID,
status = efivar_set_variable(record->priv, &LINUX_EFI_CRASH_GUID,
{ LINUX_EFI_CRASH_GUID, "*", NULL },