Software and hardware obsolescence in the kernel

Posted Aug 31, 2020 7:45 UTC (Mon) by smurf (subscriber, #17840)
In reply to: Software and hardware obsolescence in the kernel by ianmcc
Parent article: Software and hardware obsolescence in the kernel

While the actual physical bus may well not need to be >64 bits wide any time soon, CHERI uses some of these bits for pointer authentication etc.. So yes we do need pointers that are that wide.

128 bit kernel integers, on the other hand, make no sense whatsoever IMHO.