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Intel engineer H. Peter Anvin has proposed patches to make EFI stub and relocatable kernel support mandatory for x86 Linux builds. The EFI stub allows the compressed kernel to be loaded directly by EFI firmware without a bootloader, while relocatable kernel support enables memory position-independent execution needed for KASLR security. Both features add no runtime overhead and are considered essential for modern systems, making their Kconfig options obsolete.

New Patches Aim To Make x86 Linux EFI Stub & Relocatable Kernel Support Unconditional