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Subject: Re: [PATCH bpf-next] bpf: Emit struct bpf_tcp_sock type in vmlinux BTF
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <168306962039.20785.6836205072814420823.git-patchwork-notify@kernel.org>
Date:   Tue, 02 May 2023 23:20:20 +0000
References: <20230502180543.1832140-1-yhs@fb.com>
In-Reply-To: <20230502180543.1832140-1-yhs@fb.com>
To:     Yonghong Song <yhs@fb.com>
Cc:     bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org,
        daniel@iogearbox.net, kernel-team@fb.com, martin.lau@kernel.org
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X-Mailing-List: bpf@vger.kernel.org

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Tue, 2 May 2023 11:05:43 -0700 you wrote:
> In one of our internal testing, we found a case where
>   - uapi struct bpf_tcp_sock is in vmlinux.h where vmlinux.h is not
>     generated from the testing kernel
>   - struct bpf_tcp_sock is not in vmlinux BTF
> 
> The above combination caused bpf load failure as the following
> memory access
>   struct bpf_tcp_sock *tcp_sock = ...;
>   ... tcp_sock->snd_cwnd ...
> needs CORE relocation but the relocation cannot be resolved since
> the kernel BTF does not have corresponding type.
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf: Emit struct bpf_tcp_sock type in vmlinux BTF
    https://git.kernel.org/bpf/bpf-next/c/bf6882aebd0e

You are awesome, thank you!
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