netdev - Re: [PATCH bpf-next 0/3] bpf: increase jmp sequence limit

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Message-ID: <CAEf4BzYuQec_Xuni2w-wYt=4HYpGZPVTudHUAQ=-uLiDn7Z_=g@mail.gmail.com>
Date:   Tue, 21 May 2019 17:37:53 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Alexei Starovoitov <ast@...nel.org>
Cc:     davem@...emloft.net, Daniel Borkmann <daniel@...earbox.net>,
        Networking <netdev@...r.kernel.org>, bpf@...r.kernel.org,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH bpf-next 0/3] bpf: increase jmp sequence limit

On Tue, May 21, 2019 at 4:09 PM Alexei Starovoitov <ast@...nel.org> wrote:
>
> Patch 1 - jmp sequence limit
> Patch 2 - improve existing tests
> Patch 3 - add pyperf-based realistic bpf program that takes advantage
> of higher limit and use it as a stress test

Some minor nits for patch #3, but other than that, for the series:

Acked-by: Andrii Nakryiko <andriin@...com>

>
> Alexei Starovoitov (3):
>   bpf: bump jmp sequence limit
>   selftests/bpf: adjust verifier scale test
>   selftests/bpf: add pyperf scale test
>
>  kernel/bpf/verifier.c                         |   7 +-
>  .../bpf/prog_tests/bpf_verif_scale.c          |  31 +-
>  tools/testing/selftests/bpf/progs/pyperf.h    | 268 ++++++++++++++++++
>  tools/testing/selftests/bpf/progs/pyperf100.c |   4 +
>  tools/testing/selftests/bpf/progs/pyperf180.c |   4 +
>  tools/testing/selftests/bpf/progs/pyperf50.c  |   4 +
>  tools/testing/selftests/bpf/test_verifier.c   |  31 +-
>  7 files changed, 319 insertions(+), 30 deletions(-)
>  create mode 100644 tools/testing/selftests/bpf/progs/pyperf.h
>  create mode 100644 tools/testing/selftests/bpf/progs/pyperf100.c
>  create mode 100644 tools/testing/selftests/bpf/progs/pyperf180.c
>  create mode 100644 tools/testing/selftests/bpf/progs/pyperf50.c
>
> --
> 2.20.0
>