Merge branch 'bpf_seccomp'

Daniel Borkmann says:

====================
BPF updates

This set gets rid of BPF special handling in seccomp filter preparation
and provides generic infrastructure from BPF side, which eventually also
allows for classic BPF JITs to add support for seccomp filters.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>