linux-kernel - Re: [PATCH bpf-next v2] bpf: Add bpf_check_attach_target_with_klog method to output failure logs to kernel

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Message-ID: <CAADnVQKtu1=ybxbzLQUMZQz3pwNJVjB+18t0vAhGAb=6kK8UbQ@mail.gmail.com>
Date: Thu, 25 Jul 2024 09:51:43 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Manjusaka <me@...jusaka.me>
Cc: Yonghong Song <yonghong.song@...ux.dev>, Leon Hwang <hffilwlqm@...il.com>, 
	Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, 
	John Fastabend <john.fastabend@...il.com>, Andrii Nakryiko <andrii@...nel.org>, 
	Martin KaFai Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
	Jiri Olsa <jolsa@...nel.org>, bpf <bpf@...r.kernel.org>, 
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf-next v2] bpf: Add bpf_check_attach_target_with_klog
 method to output failure logs to kernel

On Wed, Jul 24, 2024 at 11:33 PM Manjusaka <me@...jusaka.me> wrote:
>
> Actually, for personally, I think it would be better to get the error message from dmesg.

This is a non-starter. We're not going to pollute dmesg with
verifier messages.