Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper

Subject: Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 22 Dec 2020 14:18:18 +0000
Cc: Florent Revest <revest@xxxxxxxxxxxx>, Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx>, Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx>, KP Singh <kpsingh@xxxxxxxxxxxx>, bpf <bpf@xxxxxxxxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Florent Revest <revest@xxxxxxxxxx>, open list <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <221fb873-80fc-5407-965e-b075c964fa13@fb.com>

FYI, there is a reason why kallsyms_lookup is not exported any more.
I don't think adding that back through a backdoor is a good idea.

Follow-Ups:
- Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: Florent Revest

References:
- [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: Florent Revest
- Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: Yonghong Song
- Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: KP Singh
- Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: Yonghong Song
- Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: Andrii Nakryiko
- Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: Florent Revest
- Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: Alexei Starovoitov
- Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: Florent Revest
- Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
  - From: Yonghong Song