On Wed, Jun 27, 2018 at 06:06:04PM +0200, Ard Biesheuvel wrote: > Similar to the arm64 case, 64-bit x86 can benefit from using 32-bit > relative references rather than 64-bit absolute ones when emitting > struct jump_entry instances. Not only does this reduce the memory > footprint of the entries themselves by 50%, it also removes the need > for carrying relocation metadata on relocatable builds (i.e., for KASLR) > which saves a fair chunk of .init space as well (although the savings > are not as dramatic as on arm64)
This will conflict with: https://lkml.kernel.org/r/[email protected]
