netdev - pull-request: bpf 2022-10-23

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Date:   Sun, 23 Oct 2022 12:22:44 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     davem@...emloft.net
Cc:     daniel@...earbox.net, kuba@...nel.org, andrii@...nel.org,
        pabeni@...hat.com, edumazet@...gle.com, kafai@...com,
        netdev@...r.kernel.org, bpf@...r.kernel.org, kernel-team@...com
Subject: pull-request: bpf 2022-10-23

Hi David, hi Jakub, hi Paolo, hi Eric,

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

We've added 7 non-merge commits during the last 18 day(s) which contain
a total of 8 files changed, 69 insertions(+), 5 deletions(-).

The main changes are:

1) Wait for busy refill_work when destroying bpf memory allocator, from Hou.

2) Allow bpf_user_ringbuf_drain() callbacks to return 1, from David.

3) Fix dispatcher patchable function entry to 5 bytes nop, from Jiri.

4) Prevent decl_tag from being referenced in func_proto, from Stanislav.

Please consider pulling these changes from:

  git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git tags/for-netdev

Thanks a lot!

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

Peter Zijlstra (Intel), Stanislav Fomichev, Yonghong Song

----------------------------------------------------------------

The following changes since commit 0326074ff4652329f2a1a9c8685104576bd8d131:

  Merge tag 'net-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next (2022-10-04 13:38:03 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git for-netdev

for you to fetch changes up to bed54aeb6ac1ced7e0ea27a82ee52af856610ff0:

  Merge branch 'Wait for busy refill_work when destroying bpf memory allocator' (2022-10-21 19:17:38 -0700)

----------------------------------------------------------------
bpf-for-netdev

----------------------------------------------------------------
Alexei Starovoitov (1):
      Merge branch 'Wait for busy refill_work when destroying bpf memory allocator'

Andrii Nakryiko (1):
      Merge branch 'Allow bpf_user_ringbuf_drain() callbacks to return 1'

David Vernet (2):
      bpf: Allow bpf_user_ringbuf_drain() callbacks to return 1
      selftests/bpf: Make bpf_user_ringbuf_drain() selftest callback return 1

Hou Tao (2):
      bpf: Wait for busy refill_work when destroying bpf memory allocator
      bpf: Use __llist_del_all() whenever possbile during memory draining

Jiri Olsa (1):
      bpf: Fix dispatcher patchable function entry to 5 bytes nop

Stanislav Fomichev (2):
      selftests/bpf: Add reproducer for decl_tag in func_proto return type
      bpf: prevent decl_tag from being referenced in func_proto

 arch/x86/net/bpf_jit_comp.c                            | 13 +++++++++++++
 include/linux/bpf.h                                    | 14 +++++++++++++-
 kernel/bpf/btf.c                                       |  5 +++++
 kernel/bpf/dispatcher.c                                |  6 ++++++
 kernel/bpf/memalloc.c                                  | 18 ++++++++++++++++--
 kernel/bpf/verifier.c                                  |  1 +
 tools/testing/selftests/bpf/prog_tests/btf.c           | 13 +++++++++++++
 .../testing/selftests/bpf/progs/user_ringbuf_success.c |  4 ++--
 8 files changed, 69 insertions(+), 5 deletions(-)