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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,
	Peter Zijlstra <peterz@infradead.org>,
	rostedt@goodmis.org, primiano@google.com, rsavitski@google.com,
	jeffv@google.com, kernel-team@android.com,
	Alexei Starovoitov <ast@kernel.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	bpf@vger.kernel.org, Daniel Borkmann <daniel@iogearbox.net>,
	Ingo Molnar <mingo@redhat.com>, Jiri Olsa <jolsa@redhat.com>,
	Kees Cook <keescook@chromium.org>,
	linux-security-module@vger.kernel.org,
	Matthew Garrett <matthewgarrett@google.com>,
	Namhyung Kim <namhyung@kernel.org>,
	selinux@vger.kernel.org, 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
Date: Fri, 11 Oct 2019 06:41:01 +1100 (AEDT)	[thread overview]
Message-ID: <alpine.LRH.2.21.1910110637300.31442@namei.org> (raw)
In-Reply-To: <dc0cacef-fff5-b837-97a4-ed7336934bf6@schaufler-ca.com>

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>


  reply	other threads:[~2019-10-10 19:42 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-09 20:36 [PATCH RFC] perf_event: Add support for LSM and SELinux checks Joel Fernandes (Google)
2019-10-09 21:55 ` Casey Schaufler
2019-10-09 22:14   ` James Morris
2019-10-09 22:41     ` Casey Schaufler
2019-10-10  0:40       ` Joel Fernandes
2019-10-10  0:53         ` Casey Schaufler
2019-10-10  2:44       ` James Morris
2019-10-10 18:12         ` Casey Schaufler
2019-10-10 19:41           ` James Morris [this message]
2019-10-09 22:11 ` James Morris
2019-10-10  0:43   ` Joel Fernandes
2019-10-10  7:23 ` Alexey Budankov
2019-10-10  8:12 ` Peter Zijlstra
2019-10-10 15:13   ` Joel Fernandes
2019-10-10 17:09     ` Peter Zijlstra
2019-10-10 18:31       ` Joel Fernandes
2019-10-11  7:05         ` Peter Zijlstra
2019-10-11 15:47           ` Joel Fernandes

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