From: Andi Kleen <ak@linux.intel.com>
To: Casey Schaufler <casey@schaufler-ca.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Jiri Olsa <jolsa@redhat.com>,
elena.reshetova@intel.com,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jann Horn <jannh@google.com>, Kees Cook <keescook@chromium.org>,
Stephane Eranian <eranian@google.com>,
Namhyung Kim <namhyung@kernel.org>,
linux-security-module@vger.kernel.org, selinux@vger.kernel.org,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 0/3] Introduce CAP_SYS_PERFMON capability for secure Perf users groups
Date: Thu, 5 Dec 2019 10:11:55 -0800 [thread overview]
Message-ID: <20191205181155.GB723068@tassilo.jf.intel.com> (raw)
In-Reply-To: <a81248c5-971a-9d3f-6df4-e6335384fe7f@schaufler-ca.com>
> The question isn't whether the tool could use the capability, it's whether
> the tool would also need CAP_SYS_ADMIN to be useful. Are there existing
> tools that could stop using CAP_SYS_ADMIN in favor of CAP_SYS_PERFMON?
> My bet is that any tool that does performance monitoring is going to need
> CAP_SYS_ADMIN for other reasons.
At least perf stat won't.
-Andi
next prev parent reply other threads:[~2019-12-05 18:12 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-05 16:15 Alexey Budankov
2019-12-05 16:19 ` [PATCH v1 1/3] capabilities: introduce CAP_SYS_PERFMON to kernel and user space Alexey Budankov
2019-12-05 16:21 ` [PATCH v1 2/3] perf/core: apply CAP_SYS_PERFMON to CPUs and kernel monitoring Alexey Budankov
2019-12-05 16:22 ` [PATCH v1 3/3] perf tool: extend Perf tool with CAP_SYS_PERFMON support Alexey Budankov
2019-12-05 16:49 ` [PATCH v1 0/3] Introduce CAP_SYS_PERFMON capability for secure Perf users groups Casey Schaufler
2019-12-05 17:05 ` Alexey Budankov
2019-12-05 17:33 ` Casey Schaufler
2019-12-05 18:11 ` Andi Kleen [this message]
2019-12-05 18:37 ` Alexey Budankov
2019-12-11 10:52 ` Alexey Budankov
2019-12-11 15:24 ` Peter Zijlstra
2019-12-11 17:00 ` Alexey Budankov
2019-12-11 18:09 ` Casey Schaufler
2019-12-11 20:36 ` Andi Kleen
2019-12-11 21:25 ` Casey Schaufler
2019-12-12 14:24 ` Stephen Smalley
2019-12-15 11:53 ` Alexey Budankov
2019-12-11 19:04 ` Stephane Eranian
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