On 11/22/22 08:10, Ard Biesheuvel wrote: > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 8c6da5e42d5a6c25..121f1fdca3145fd2 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -1981,6 +1981,23 @@ config EFI_STUB > > See Documentation/admin-guide/efi-stub.rst for more information. > > +config EFI_HANDOVER_PROTOCOL > + bool "EFI handover protocol (DEPRECATED)" > + depends on EFI_STUB > + default y > + help > + Select this in order to include support for the deprecated EFI > + handover protocol, which defines alternative entry points into the > + EFI stub. This is a practice that has no basis in the UEFI > + specification, and requires a priori knowledge on the part of the > + bootloader about Linux/x86 specific ways of passing the command line > + and initrd, and where in memory those assets may be loaded. > + > + If in doubt, say Y. Even though he corresponding support is not the > + present in upstream GRUB or other bootloaders, most distros build > + GRUB with numerous downstream patches applied, and may rely on the > + handover protocol as as result. -- ~Randy
