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Message-ID: <2ace00b0-c2db-536f-e55b-f13e02165a8b@linux.alibaba.com>
Date: Thu, 28 Jul 2022 11:09:32 +0800
From: Tianchen Ding <dtcccc@...ux.alibaba.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: ast@...nel.org, linux-kernel@...r.kernel.org, lmb@...udflare.com,
sashal@...nel.org, stable@...r.kernel.org
Subject: Re: [PATCH 5.10 373/575] selftests: bpf: Convert sk_lookup ctx access
tests to PROG_TEST_RUN
On 2022/7/28 11:03, Tianchen Ding wrote:
> On 2022/7/27 18:10, Greg KH wrote:
>> On Mon, Jul 25, 2022 at 10:53:38AM +0800, Tianchen Ding wrote:
>>> Hi Greg.
>>>
>>> We found a compile error when building tools/testing/selftests/bpf/ on 5.10.
>>>
>>> tools/testing/selftests/bpf/prog_tests/sk_lookup.c:1092:15: error: 'struct bpf_sk_lookup' has no member named 'cookie'
>>> 1092 | if (CHECK(ctx.cookie == 0, "ctx.cookie", "no socket selected\n"))
>>>
>>> It requires 7c32e8f8bc33 ("bpf: Add PROG_TEST_RUN support for sk_lookup programs") from upstream.
>>>
>>> Maybe the left patches of this patchset are needed for 5.10 LTS?
>>> https://lore.kernel.org/bpf/20210303101816.36774-1-lmb@cloudflare.com/
>>
>> If so, please submit them with the git commit ids so that I can fix this
>> up.
>>
>> thanks,
>>
>> greg k-h
>
> These 2 commits from upstream are necessary for bpf selftests build pass on 5.10.y:
> 607b9cc92bd7208338d714a22b8082fe83bcb177 bpf: Consolidate shared test timing code
> 7c32e8f8bc33a5f4b113a630857e46634e3e143b bpf: Add PROG_TEST_RUN support for sk_lookup programs
>
> This commit does not impact building stage, but can avoid a test case failure (by skipping it):
> b4f894633fa14d7d46ba7676f950b90a401504bb selftests: bpf: Don't run sk_lookup in verifier tests
>
> Thanks.
Or should I submit complete patches?
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