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Date:   Sun, 11 Aug 2019 21:58:34 +0200
From:   Daniel Borkmann <>
Subject: pull-request: bpf 2019-08-11

Hi David,

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

The main changes are:

1) x64 JIT code generation fix for backward-jumps to 1st insn, from Alexei.

2) Fix buggy multi-closing of BTF file descriptor in libbpf, from Andrii.

3) Fix libbpf_num_possible_cpus() to make it thread safe, from Takshak.

4) Fix bpftool to dump an error if pinning fails, from Jakub.

Please consider pulling these changes from:


Thanks a lot!


The following changes since commit 0a062ba725cdad3b167782179ee914a8402a0184:

  Merge tag 'mlx5-fixes-2019-07-25' of git:// (2019-07-26 14:26:41 -0700)

are available in the Git repository at:


for you to fetch changes up to 4f7aafd78aeaf18a4f6dea9415df60e745c9dfa7:

  Merge branch 'bpf-bpftool-pinning-error-msg' (2019-08-09 17:38:53 +0200)

Alexei Starovoitov (2):
      bpf: fix x64 JIT code generation for jmp to 1st insn
      selftests/bpf: tests for jmp to 1st insn

Andrii Nakryiko (2):
      libbpf: fix erroneous multi-closing of BTF FD
      libbpf: set BTF FD for prog only when there is supported .BTF.ext data

Daniel Borkmann (1):
      Merge branch 'bpf-bpftool-pinning-error-msg'

Jakub Kicinski (2):
      tools: bpftool: fix error message (prog -> object)
      tools: bpftool: add error message on pin failure

Takshak Chahande (1):
      libbpf : make libbpf_num_possible_cpus function thread safe

 arch/x86/net/bpf_jit_comp.c                   |  9 ++++----
 tools/bpf/bpftool/common.c                    |  8 +++++--
 tools/lib/bpf/libbpf.c                        | 33 +++++++++++++++------------
 tools/testing/selftests/bpf/verifier/loops1.c | 28 +++++++++++++++++++++++
 4 files changed, 57 insertions(+), 21 deletions(-)

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