Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Tue, 22 Dec 2020 14:18:18 +0000
From:   Christoph Hellwig <hch@infradead.org>
To:     Yonghong Song <yhs@fb.com>
Cc:     Florent Revest <revest@chromium.org>,
        Alexei Starovoitov <alexei.starovoitov@gmail.com>,
        Andrii Nakryiko <andrii.nakryiko@gmail.com>,
        KP Singh <kpsingh@chromium.org>, bpf <bpf@vger.kernel.org>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
        Florent Revest <revest@google.com>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH bpf-next 1/2] bpf: Add a bpf_kallsyms_lookup helper
Message-ID: <20201222141818.GA17056@infradead.org>
References: <20201126165748.1748417-1-revest@google.com>
 <50047415-cafe-abab-a6ba-e85bb6a9b651@fb.com>
 <CACYkzJ7T4y7in1AsCvJ2izA3yiAke8vE9SRFRCyTPeqMnDHoyQ@mail.gmail.com>
 <e8b03cbc-c120-43d5-168c-cde5b6a97af8@fb.com>
 <CAEf4BzYz9Yf9abPBtP+swCuqvvhL0cbbbF1x-3stg9mp=a6+-A@mail.gmail.com>
 <194b5a6e6e30574a035a3e3baa98d7fde7f91f1c.camel@chromium.org>
 <CAADnVQK6GjmL19zQykYbh=THM9ktQUzfnwF_FfhUKimCxDnnkQ@mail.gmail.com>
 <CABRcYm+zjC-WH2gxtfEX5S6mZj-5_ByAzVd5zi3aRmQv-asYqg@mail.gmail.com>
 <221fb873-80fc-5407-965e-b075c964fa13@fb.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <221fb873-80fc-5407-965e-b075c964fa13@fb.com>
Precedence: bulk

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.