linux-kernel - Re: [PATCH RFC] perf_event: Add support for LSM and SELinux checks

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Message-ID: <alpine.LRH.2.21.1910100912210.29840@namei.org>
Date:   Thu, 10 Oct 2019 09:14:44 +1100 (AEDT)
From:   James Morris <jmorris@...ei.org>
To:     Casey Schaufler <casey@...aufler-ca.com>
cc:     "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>, rostedt@...dmis.org,
        primiano@...gle.com, rsavitski@...gle.com, jeffv@...gle.com,
        kernel-team@...roid.com, Alexei Starovoitov <ast@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        bpf@...r.kernel.org, Daniel Borkmann <daniel@...earbox.net>,
        Ingo Molnar <mingo@...hat.com>, Jiri Olsa <jolsa@...hat.com>,
        Kees Cook <keescook@...omium.org>,
        linux-security-module@...r.kernel.org,
        Matthew Garrett <matthewgarrett@...gle.com>,
        Namhyung Kim <namhyung@...nel.org>, selinux@...r.kernel.org,
        Song Liu <songliubraving@...com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        Yonghong Song <yhs@...com>
Subject: Re: [PATCH RFC] perf_event: Add support for LSM and SELinux checks

On Wed, 9 Oct 2019, Casey Schaufler wrote:

> Please consider making the perf_alloc security blob maintained
> by the infrastructure rather than the individual modules. This
> will save it having to be changed later.

Is anyone planning on using this with full stacking?

If not, we don't need the extra code & complexity. Stacking should only 
cover what's concretely required by in-tree users.

-- 
James Morris
<jmorris@...ei.org>