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Date:   Fri, 21 Aug 2020 12:49:49 -0700
From:   Alexei Starovoitov <>
Subject: pull-request: bpf 2020-08-21

Hi David,

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

We've added 11 non-merge commits during the last 5 day(s) which contain
a total of 12 files changed, 78 insertions(+), 24 deletions(-).

The main changes are:

1) three fixes in BPF task iterator logic, from Yonghong.

2) fix for compressed dwarf sections in vmlinux, from Jiri.

3) fix xdp attach regression, from Andrii.

Please consider pulling these changes from:


Thanks a lot!

Also thanks to reporters, reviewers and testers of commits in this pull-request:

Andrii Nakryiko, Jesper Dangaard Brouer, Josef Bacik, Lorenzo Bianconi, 
Yonghong Song


The following changes since commit 7f9bf6e82461b97ce43a912cb4a959c5a41367ac:

  Revert "net: xdp: pull ethernet header off packet after computing skb->protocol" (2020-08-17 11:48:05 -0700)

are available in the Git repository at:


for you to fetch changes up to b16fc097bc283184cde40e5b30d15705e1590410:

  bpf: Fix two typos in uapi/linux/bpf.h (2020-08-21 12:26:17 -0700)

Andrii Nakryiko (2):
      libbpf: Fix build on ppc64le architecture
      bpf: xdp: Fix XDP mode when no mode flags specified

Jiri Olsa (1):
      tools/resolve_btfids: Fix sections with wrong alignment

Tobias Klauser (1):
      bpf: Fix two typos in uapi/linux/bpf.h

Toke Høiland-Jørgensen (1):
      libbpf: Fix map index used in error message

Veronika Kabatova (1):
      selftests/bpf: Remove test_align leftovers

Yauheni Kaliuta (1):
      bpf: selftests: global_funcs: Check err_str before strstr

Yonghong Song (4):
      bpf: Use get_file_rcu() instead of get_file() for task_file iterator
      bpf: Fix a rcu_sched stall issue with bpf task/task_file iterator
      bpf: Avoid visit same object multiple times
      bpftool: Handle EAGAIN error code properly in pids collection

 include/uapi/linux/bpf.h                           | 10 +++---
 kernel/bpf/bpf_iter.c                              | 15 ++++++++-
 kernel/bpf/task_iter.c                             |  6 ++--
 net/core/dev.c                                     | 14 +++++----
 tools/bpf/bpftool/pids.c                           |  2 ++
 tools/bpf/resolve_btfids/main.c                    | 36 ++++++++++++++++++++++
 tools/include/uapi/linux/bpf.h                     | 10 +++---
 tools/lib/bpf/btf_dump.c                           |  2 +-
 tools/lib/bpf/libbpf.c                             |  2 +-
 tools/testing/selftests/bpf/.gitignore             |  1 -
 tools/testing/selftests/bpf/Makefile               |  2 +-
 .../selftests/bpf/prog_tests/test_global_funcs.c   |  2 +-
 12 files changed, 78 insertions(+), 24 deletions(-)

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