linux-kernel - Re: [PATCH v7 07/12] powerpc/perf: open access for CAP

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Message-ID: <alpine.LRH.2.21.2002190628270.10165@namei.org>
Date:   Wed, 19 Feb 2020 06:28:40 +1100 (AEDT)
From:   James Morris <jmorris@...ei.org>
To:     Alexey Budankov <alexey.budankov@...ux.intel.com>
cc:     Serge Hallyn <serge@...lyn.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        "joonas.lahtinen@...ux.intel.com" <joonas.lahtinen@...ux.intel.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Will Deacon <will@...nel.org>,
        Paul Mackerras <paulus@...ba.org>,
        Helge Deller <deller@....de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andi Kleen <ak@...ux.intel.com>,
        Stephane Eranian <eranian@...gle.com>,
        Igor Lubashev <ilubashe@...mai.com>,
        Jiri Olsa <jolsa@...hat.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "intel-gfx@...ts.freedesktop.org" <intel-gfx@...ts.freedesktop.org>,
        "linux-security-module@...r.kernel.org" 
        <linux-security-module@...r.kernel.org>,
        "selinux@...r.kernel.org" <selinux@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-parisc@...r.kernel.org" <linux-parisc@...r.kernel.org>,
        oprofile-list@...ts.sf.net,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        linux-man@...r.kernel.org
Subject: Re: [PATCH v7 07/12] powerpc/perf: open access for CAP_PERFMON
 privileged process

On Mon, 17 Feb 2020, Alexey Budankov wrote:

> For backward compatibility reasons access to the monitoring remains
> open for CAP_SYS_ADMIN privileged processes but CAP_SYS_ADMIN usage
> for secure monitoring is discouraged with respect to CAP_PERFMON
> capability.
> 
> Signed-off-by: Alexey Budankov <alexey.budankov@...ux.intel.com>


Reviewed-by: James Morris <jamorris@...ux.microsoft.com>


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