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

Daniel Borkmann says:

====================
pull-request: bpf 2019-05-18

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

The main changes are:

1) Fix bpftool's raw BTF dump in relation to forward declarations of union/
   structs, and another fix to unexport logging helpers, from Andrii.

2) Fix inode permission check for retrieving bpf programs, from Chenbo.

3) Fix bpftool to raise rlimit earlier as otherwise libbpf's feature probing
   can fail and subsequently it refuses to load an object, from Yonghong.

4) Fix declaration of bpf_get_current_task() in kselftests, from Alexei.

5) Fix up BPF kselftest .gitignore to add generated files, from Stanislav.
====================

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