From: Peter Zijlstra <peterz@infradead.org>
To: Jordan Glover <Golden_Miller83@protonmail.ch>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Kees Cook <keescook@chromium.org>, Jann Horn <jannh@google.com>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Andi Kleen <ak@linux.intel.com>, Jonatan Corbet <corbet@lwn.net>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Tvrtko Ursulin <tursulin@ursulin.net>,
linux-kernel <linux-kernel@vger.kernel.org>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>
Subject: Re: [PATCH v1 2/2]: Documentation/admin-guide: introduce perf-security.rst file
Date: Mon, 19 Nov 2018 11:46:46 +0100 [thread overview]
Message-ID: <20181119104646.GB9761@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <aDN4nC6p93nK7ILVP3EH-Y4RcKK4KH0ppQKFkIgxTVxkfbOHWjAYJXdTeuq39nbPkySKItZ_8VHN2PfQS_T08GBzeooD5cvc2Xd8oZxSp9s=@protonmail.ch>
On Mon, Nov 19, 2018 at 10:35:59AM +0000, Jordan Glover wrote:
> On Monday, November 19, 2018 6:42 AM, Alexey Budankov <alexey.budankov@linux.intel.com> wrote:
> > +>=3:
> >
> > - Restrict *access* to PCL performance monitoring for unprivileged processes.
> >
> >
> > - This is the default on Debian and Android [7]_ , [8]_ .
>
> AFAIK there is no support for '+>=3' in mainline kernel[1].
> Debian and Android use out-of-tree patch for that[2].
> Maybe someone should upstream it?
NAK still stands on that. Alternative's have been proposed but so far
nobody that cared seems to care enough to implement those.
next prev parent reply other threads:[~2018-11-19 10:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-19 5:37 [PATCH v1 0/2]: Documentation/admin-guide: introduce perf-security.rst file and extend perf_event_paranoid documentation Alexey Budankov
2018-11-19 5:41 ` [PATCH v1 1/2]: Documentation/admin-guide: update admin-guide index.rst Alexey Budankov
2018-11-19 10:03 ` Greg KH
2018-11-19 15:12 ` Alexey Budankov
2018-11-19 5:42 ` [PATCH v1 2/2]: Documentation/admin-guide: introduce perf-security.rst file Alexey Budankov
2018-11-19 10:33 ` Peter Zijlstra
2018-11-19 15:13 ` Alexey Budankov
2018-11-27 8:17 ` Alexey Budankov
2018-11-19 10:35 ` Jordan Glover
2018-11-19 10:46 ` Peter Zijlstra [this message]
2018-11-19 10:49 ` Jordan Glover
2018-11-19 15:19 ` Alexey Budankov
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