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From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>,
	Alexei Starovoitov <ast@fb.com>, bpf <bpf@vger.kernel.org>,
	Networking <netdev@vger.kernel.org>
Subject: Re: [PATCH v4 2/2] selftests: Add test for overriding global data value before load
Date: Sun, 29 Mar 2020 13:13:52 -0700	[thread overview]
Message-ID: <CAEf4BzYNO9bS98VPm4xhB3VRN53zWMmfAhE11bqeq2oz-NcfkQ@mail.gmail.com> (raw)
In-Reply-To: <20200329132253.232541-2-toke@redhat.com>

On Sun, Mar 29, 2020 at 6:23 AM Toke Høiland-Jørgensen <toke@redhat.com> wrote:
>
> This adds a test to exercise the new bpf_map__set_initial_value() function.
> The test simply overrides the global data section with all zeroes, and
> checks that the new value makes it into the kernel map on load.
>
> Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
> ---

I guess given you don't attach or run any BPF program, it's fine to
reuse test_global_data.o for this.

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


>  .../bpf/prog_tests/global_data_init.c         | 61 +++++++++++++++++++
>  .../selftests/bpf/progs/test_global_data.c    |  2 +-
>  2 files changed, 62 insertions(+), 1 deletion(-)
>  create mode 100644 tools/testing/selftests/bpf/prog_tests/global_data_init.c
>

[...]

  reply	other threads:[~2020-03-29 20:14 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-26 15:17 [PATCH bpf-next] libbpf: Add bpf_object__rodata getter function Toke Høiland-Jørgensen
2020-03-26 19:20 ` Andrii Nakryiko
2020-03-27 12:24   ` Toke Høiland-Jørgensen
2020-03-27 17:49     ` Andrii Nakryiko
2020-03-27 18:39       ` Toke Høiland-Jørgensen
2020-03-27 12:58 ` [PATCH bpf-next v2] libbpf: Add getter for pointer to data area for internal maps Toke Høiland-Jørgensen
2020-03-27 19:17   ` Andrii Nakryiko
2020-03-27 22:26     ` Toke Høiland-Jørgensen
2020-03-27 22:28       ` Alexei Starovoitov
2020-03-28  0:08         ` Toke Høiland-Jørgensen
2020-03-28 18:28   ` [PATCH v3 1/2] libbpf: Add setter for initial value " Toke Høiland-Jørgensen
2020-03-28 20:01     ` Andrii Nakryiko
2020-03-29 12:17       ` Toke Høiland-Jørgensen
2020-03-29 13:22     ` [PATCH v4 " Toke Høiland-Jørgensen
2020-03-29 20:06       ` Andrii Nakryiko
2020-03-29 23:46       ` Daniel Borkmann
2020-03-29 13:22     ` [PATCH v4 2/2] selftests: Add test for overriding global data value before load Toke Høiland-Jørgensen
2020-03-29 20:13       ` Andrii Nakryiko [this message]
2020-03-28 18:28   ` [PATCH v3 " Toke Høiland-Jørgensen
2020-03-28 20:06     ` Andrii Nakryiko
2020-03-29 13:10       ` Toke Høiland-Jørgensen
2020-03-29 20:08         ` Andrii Nakryiko

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