linux-kernel - Re: [PATCH v2 bpf-next 00/10] bpf: per-cpu cgroup local storage

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Message-ID: <920DCF94-46EF-4969-8C8E-B89E934F3D5E@fb.com>
Date:   Tue, 25 Sep 2018 19:05:17 +0000
From:   Song Liu <songliubraving@...com>
To:     Roman Gushchin <guro@...com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH v2 bpf-next 00/10] bpf: per-cpu cgroup local storage



> On Sep 25, 2018, at 8:21 AM, Roman Gushchin <guro@...com> wrote:
> 
> This patchset implements per-cpu cgroup local storage and provides
> an example how per-cpu and shared cgroup local storage can be used
> for efficient accounting of network traffic.
> 
> v2->v1:
>  1) added a selftest implementing network counters
>  2) added a missing free() in cgroup local storage selftest
> 
> Roman Gushchin (10):
>  bpf: extend cgroup bpf core to allow multiple cgroup storage types
>  bpf: rework cgroup storage pointer passing
>  bpf: introduce per-cpu cgroup local storage
>  bpf: don't allow create maps of per-cpu cgroup local storages
>  bpf: sync include/uapi/linux/bpf.h to tools/include/uapi/linux/bpf.h
>  bpftool: add support for PERCPU_CGROUP_STORAGE maps
>  selftests/bpf: add verifier per-cpu cgroup storage tests
>  selftests/bpf: extend the storage test to test per-cpu cgroup storage
>  samples/bpf: extend test_cgrp2_attach2 test to use per-cpu cgroup
>    storage
>  selftests/bpf: cgroup local storage-based network counters
> 
> include/linux/bpf-cgroup.h                    |  55 ++++--
> include/linux/bpf.h                           |  12 +-
> include/linux/bpf_types.h                     |   1 +
> include/uapi/linux/bpf.h                      |   1 +
> kernel/bpf/cgroup.c                           |  74 +++++---
> kernel/bpf/helpers.c                          |  25 ++-
> kernel/bpf/local_storage.c                    | 167 +++++++++++++++---
> kernel/bpf/map_in_map.c                       |   3 +-
> kernel/bpf/syscall.c                          |  20 ++-
> kernel/bpf/verifier.c                         |  23 ++-
> net/bpf/test_run.c                            |  20 ++-
> samples/bpf/test_cgrp2_attach2.c              |  19 +-
> tools/bpf/bpftool/map.c                       |   4 +-
> tools/include/uapi/linux/bpf.h                |   1 +
> tools/testing/selftests/bpf/Makefile          |   6 +-
> tools/testing/selftests/bpf/netcnt_common.h   |  23 +++
> tools/testing/selftests/bpf/netcnt_prog.c     |  71 ++++++++
> .../selftests/bpf/test_cgroup_storage.c       |  60 ++++++-
> tools/testing/selftests/bpf/test_netcnt.c     | 153 ++++++++++++++++
> tools/testing/selftests/bpf/test_verifier.c   | 139 ++++++++++++++-
> 20 files changed, 778 insertions(+), 99 deletions(-)
> create mode 100644 tools/testing/selftests/bpf/netcnt_common.h
> create mode 100644 tools/testing/selftests/bpf/netcnt_prog.c
> create mode 100644 tools/testing/selftests/bpf/test_netcnt.c
> 
> -- 
> 2.17.1
> 

For 04/10 to 10/10:

Acked-by: Song Liu <songliubraving@...com>