pull-request: bpf 2018-07-20

Hi David, The following pull-request contains BPF updates for your *net* tree. The main changes are: 1) Fix in BPF Makefile to detect llvm-objcopy in a more robust way which is needed for pahole's BTF converter and minor UAPI tweaks in BTF_INT_BITS() to shrink the mask before eventual UAPI

Re: pull-request: bpf 2018-07-20

From: Daniel Borkmann Date: Fri, 20 Jul 2018 23:24:43 +0200 > The following pull-request contains BPF updates for your *net* tree. > > The main changes are: > > 1) Fix in BPF Makefile to detect llvm-objcopy in a more robust way which is >needed for pahole's BTF converter and minor UAPI twea