···103103is also work underway to implement EFI support for loading user defined SSDTs104104and using this method will make it easier to convert to the EFI loading105105mechanism when that will arrive. To enable it, the106106-CONFIG_EFI_CUSTOM_SSDT_OVERLAYS shoyld be chosen to y.106106+CONFIG_EFI_CUSTOM_SSDT_OVERLAYS should be chosen to y.107107108108In order to load SSDTs from an EFI variable the ``"efivar_ssdt=..."`` kernel109109command line parameter can be used (the name has a limitation of 16 characters).