From: Yonghong Song <yhs@fb.com>
To: Connor O'Brien <connoro@google.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>
Cc: Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>, <netdev@vger.kernel.org>,
<bpf@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH bpf-next] lib/Kconfig.debug: add prompt for kernel module BTF
Date: Wed, 9 Feb 2022 11:27:53 -0800 [thread overview]
Message-ID: <5f0cf759-7472-5627-291b-d087392ab727@fb.com> (raw)
In-Reply-To: <20220209052141.140063-1-connoro@google.com>
On 2/8/22 9:21 PM, Connor O'Brien wrote:
> With DEBUG_INFO_BTF_MODULES enabled, a BTF mismatch between vmlinux
> and a separately-built module prevents the module from loading, even
> if the ABI is otherwise compatible and the module would otherwise load
> without issues. Currently this can be avoided only by disabling BTF
> entirely; disabling just module BTF would be sufficient but is not
> possible with the current Kconfig.
>
> Add a prompt for DEBUG_INFO_BTF_MODULES to allow it to be disabled
> independently.
>
> Signed-off-by: Connor O'Brien <connoro@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
prev parent reply other threads:[~2022-02-09 19:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-09 5:21 [PATCH bpf-next] lib/Kconfig.debug: add prompt for kernel module BTF Connor O'Brien
2022-02-09 19:27 ` Yonghong Song [this message]
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