Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Alexei Starovoitov says:

====================
pull-request: bpf-next 2019-06-19

The following pull-request contains BPF updates for your *net-next* tree.

The main changes are:

1) new SO_REUSEPORT_DETACH_BPF setsocktopt, from Martin.

2) BTF based map definition, from Andrii.

3) support bpf_map_lookup_elem for xskmap, from Jonathan.

4) bounded loops and scalar precision logic in the verifier, from Alexei.
====================

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

diff --cc include/linux/bpf.h
Simple merge

diff --cc include/linux/bpf_verifier.h
Simple merge

diff --cc include/uapi/linux/bpf.h
Simple merge

diff --cc kernel/bpf/devmap.c
Simple merge

diff --cc kernel/bpf/verifier.c
Simple merge

diff --cc net/core/filter.c
Simple merge

diff --cc net/core/sock.c
Simple merge

diff --cc samples/bpf/xdp1_user.c
Simple merge

diff --cc samples/bpf/xdp_redirect_map_user.c
Simple merge

diff --cc samples/bpf/xdp_redirect_user.c
Simple merge

diff --cc samples/bpf/xdp_router_ipv4_user.c
Simple merge

diff --cc samples/bpf/xdp_tx_iptunnel_user.c
Simple merge

diff --cc tools/include/uapi/linux/bpf.h
Simple merge

diff --cc tools/lib/bpf/libbpf.c
Simple merge

diff --cc tools/lib/bpf/libbpf_internal.h
Simple merge

diff --cc tools/testing/selftests/bpf/Makefile
Simple merge

diff --cc tools/testing/selftests/bpf/test_verifier.c
Simple merge