linux-kernel - [PATCH v1 0/2]: Documentation/admin-guide: introduce perf-security.rst file and extend perf_event

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Message-ID: <0ac97cd0-4773-fff6-7d4e-74c4a1f076c4@linux.intel.com>
Date:   Mon, 19 Nov 2018 08:37:41 +0300
From:   Alexey Budankov <alexey.budankov@...ux.intel.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Kees Cook <keescook@...omium.org>,
        Jann Horn <jannh@...gle.com>, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Jonatan Corbet <corbet@....net>
Cc:     Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Tvrtko Ursulin <tursulin@...ulin.net>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        kernel-hardening@...ts.openwall.com, linux-doc@...r.kernel.org
Subject: [PATCH v1 0/2]: Documentation/admin-guide: introduce
 perf-security.rst file and extend perf_event_paranoid documentation


To facilitate informed decision making by system administrators [1]
to permit and manage access to PCL/Perf [2],[3] performance monitoring 
for multiple users perf-security.rst document suggested by Thomas Gleixner 
is introduced [4] that:

a) states PCL/Perf access security concerns for multi user environment
b) refers to base Linux access control and management principles
c) extends documentation of possible perf_event_paranoid knob settings 

The file serves as single knowledge source for PCL/Perf security and 
access control related matter according to decisions, discussion and  
PoC prototype previously made here [5],[6].

The file can later be extended with information describing:

a) PCL/Perf usage models and its security implications
b) PCL/Perf user interface, its changes and related security implications
c) security related implications of monitoring by a specific PCL PMU [2]

---
 Alexey Budankov (2):
	Documentation/admin-guide: update admin-guide index.rst
	Documentation/admin-guide: introduce perf-security.rst file

 Documentation/admin-guide/index.rst         |  1 +
 Documentation/admin-guide/perf-security.rst | 83 +++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+)

---
[1] https://marc.info/?l=linux-kernel&m=153815883923913&w=2
[2] http://man7.org/linux/man-pages/man2/perf_event_open.2.html
[3] https://perf.wiki.kernel.org/index.php/Main_Page
[4] https://marc.info/?l=linux-kernel&m=153837512226838&w=2
[5] https://marc.info/?l=linux-kernel&m=153736008310781&w=2
[6] https://lkml.org/lkml/2018/5/21/156