BPF updates

This set adds support for persistent maps/progs. Please see individual patches for further details.

A man-page update to bpf(2) will be sent afterwards, also a iproute2 patch for support in tc.

Thanks!

Daniel Borkmann (4):
bpf: abstract anon_inode_getfd invocations
bpf: align and clean bpf_{map,prog}_get helpers
bpf: add support for persistent maps/progs
bpf: add sample usages for persistent maps/progs

 include/linux/bpf.h        |  23 +-
 include/uapi/linux/bpf.h   |  45 +---
 include/uapi/linux/magic.h |   1 +
 include/uapi/linux/xattr.h |   3 +
 kernel/bpf/Makefile        |   4 +-
 kernel/bpf/inode.c         | 614 +++++++++++++++++++++++++++++++++++++++++++++
 kernel/bpf/syscall.c       | 164 ++++++++++--
 kernel/bpf/verifier.c      |   3 +-
 samples/bpf/Makefile       |   2 +
 samples/bpf/fds_example.c  | 224 +++++++++++++++++
 samples/bpf/libbpf.c       |  20 ++
 samples/bpf/libbpf.h       |   3 +
 12 files changed, 1045 insertions(+), 61 deletions(-)
 create mode 100644 kernel/bpf/inode.c
 create mode 100644 samples/bpf/fds_example.c

1.9.3