skb pointer). All constraints and restrictions from bpf_check_classic() apply
before a conversion to the new layout is being done behind the scenes!
-Currently, the classic BPF format is being used for JITing on most of the
-architectures. x86-64, aarch64 and s390x perform JIT compilation from eBPF
-instruction set, however, future work will migrate other JIT compilers as well,
-so that they will profit from the very same benefits.
+Currently, the classic BPF format is being used for JITing on most 32-bit
+architectures, whereas x86-64, aarch64, s390x, powerpc64, sparc64 perform JIT
+compilation from eBPF instruction set.
Some core changes of the new internal format: