This isn't applicable to 64-bit Arm at the user application level, don't worry about it. Prior to that, unaligned memory accesses were perfectly usable on ARMv

This isn't applicable to 64-bit Arm at the user application level, don't worry about it. Prior to that, unaligned memory accesses were perfectly usable on ARMv7 (and even v6) too, this was fixed a while ago.