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From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Song Liu <liu.song.a23@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>,
	Alexei Starovoitov <ast@kernel.org>,
	Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
	Yonghong Song <yhs@fb.com>,
	Jesper Dangaard Brouer <brouer@redhat.com>,
	Andrii Nakryiko <andrii.nakryiko@gmail.com>,
	David Miller <davem@davemloft.net>,
	Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>
Subject: Re: [PATCH bpf-next 2/6] selftests/bpf: Add tests for automatic map unpinning on load failure
Date: Fri, 08 Nov 2019 21:00:39 +0100	[thread overview]
Message-ID: <87tv7ecf4o.fsf@toke.dk> (raw)
In-Reply-To: <CAPhsuW5stGGGiVH9dSHC4i0kwNcrUhj892DypkfzL=b7woRLvA@mail.gmail.com>

Song Liu <liu.song.a23@gmail.com> writes:

> On Thu, Nov 7, 2019 at 8:52 AM Toke Høiland-Jørgensen <toke@redhat.com> wrote:
>>
>> From: Toke Høiland-Jørgensen <toke@redhat.com>
>>
>> This add tests for the different variations of automatic map unpinning on
>> load failure.
>>
>> Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
>> ---
>
> [...]
>
>> diff --git a/tools/testing/selftests/bpf/progs/test_pinning.c b/tools/testing/selftests/bpf/progs/test_pinning.c
>> index f69a4a50d056..f20e7e00373f 100644
>> --- a/tools/testing/selftests/bpf/progs/test_pinning.c
>> +++ b/tools/testing/selftests/bpf/progs/test_pinning.c
>> @@ -21,7 +21,7 @@ struct {
>>  } nopinmap SEC(".maps");
>>
>>  struct {
>> -       __uint(type, BPF_MAP_TYPE_ARRAY);
>> +       __uint(type, BPF_MAP_TYPE_HASH);
>
> Why do we need this change?

Because it needs to be different from the top map: I'm changing which of
the maps to use for the "check for parameter mismatch" selftest; the
last map needs to be the one that fails, so that a previous one can
succeed first and get removed on failure clean-up (which we can then
test for)...

-Toke

  reply	other threads:[~2019-11-08 20:00 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-07 16:52 [PATCH bpf-next 0/6] libbpf: Fix pinning and error message bugs and add new getters Toke Høiland-Jørgensen
2019-11-07 16:52 ` [PATCH bpf-next 1/6] libbpf: Unpin auto-pinned maps if loading fails Toke Høiland-Jørgensen
2019-11-08 19:27   ` Song Liu
2019-11-07 16:52 ` [PATCH bpf-next 2/6] selftests/bpf: Add tests for automatic map unpinning on load failure Toke Høiland-Jørgensen
2019-11-08 19:33   ` Song Liu
2019-11-08 20:00     ` Toke Høiland-Jørgensen [this message]
2019-11-07 16:52 ` [PATCH bpf-next 3/6] libbpf: Propagate EPERM to caller on program load Toke Høiland-Jørgensen
2019-11-08 19:36   ` Song Liu
2019-11-07 16:52 ` [PATCH bpf-next 4/6] libbpf: Use pr_warn() when printing netlink errors Toke Høiland-Jørgensen
2019-11-08 19:37   ` Song Liu
2019-11-07 16:52 ` [PATCH bpf-next 5/6] libbpf: Add bpf_get_link_xdp_info() function to get more XDP information Toke Høiland-Jørgensen
2019-11-08 19:52   ` Song Liu
2019-11-08 20:04     ` Toke Høiland-Jørgensen
2019-11-07 16:52 ` [PATCH bpf-next 6/6] libbpf: Add getter for program size Toke Høiland-Jørgensen
2019-11-08 19:55   ` Song Liu

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