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Date:   Fri, 11 Oct 2019 06:41:01 +1100 (AEDT)
From:   James Morris <jmorris@namei.org>
To:     Casey Schaufler <casey@schaufler-ca.com>
cc:     "Joel Fernandes (Google)" <joel@joelfernandes.org>,
        linux-kernel@vger.kernel.org,
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        Song Liu <songliubraving@fb.com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@kernel.org>,
        Yonghong Song <yhs@fb.com>
Subject: Re: [PATCH RFC] perf_event: Add support for LSM and SELinux checks
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On Thu, 10 Oct 2019, Casey Schaufler wrote:

> > Because it is not necessary.
> 
> The logic escapes me, but OK.

We should only extend the stacking infrastructure to what is concretely 
required. We don't yet have a use-case for stacking perf_event so we 
should keep the code as simple as possible. As soon as multiple LSMs 
determine they need to share the blob, we can convert the code to blob 
sharing.


-- 
James Morris
<jmorris@namei.org>