linux-kernel - Re: [RFC 0/5] perf: Per PMU access controls (paranoid setting)

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Date:   Mon, 1 Oct 2018 09:25:10 +0300
From:   Alexey Budankov <alexey.budankov@...ux.intel.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>
Cc:     Kees Cook <keescook@...omium.org>, Jann Horn <jannh@...gle.com>,
        Tvrtko Ursulin <tursulin@...ulin.net>,
        LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>,
        Andi Kleen <ak@...ux.intel.com>
Subject: Re: [RFC 0/5] perf: Per PMU access controls (paranoid setting)

Hello,

On 28.09.2018 21:20, Thomas Gleixner wrote:
<SNIP>
> Start with something like Documentation/admin-guide/perf-security.rst or
> whatever name fits better and add a proper documentation for the existing
> knob. With the infrastructure for fine grained access control add the
> general explanation for fine grained access control. With each PMU which
> opt's in for the knob, add a section with guidance about scope and risk for
> this particular one.

Sounds like a plan. Thanks!

BR,
Alexey

> 
> Thanks,
> 
> 	tglx
> 
> 
>