Date: Mon, 19 Nov 2018 18:19:03 +0300 From: Alexey Budankov <alexey.budankov@...ux.intel.com> To: Jordan Glover <Golden_Miller83@...tonmail.ch>, Peter Zijlstra <peterz@...radead.org> Cc: Thomas Gleixner <tglx@...utronix.de>, Kees Cook <keescook@...omium.org>, Jann Horn <jannh@...gle.com>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Andi Kleen <ak@...ux.intel.com>, Jonatan Corbet <corbet@....net>, 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" <kernel-hardening@...ts.openwall.com>, "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org> Subject: Re: [PATCH v1 2/2]: Documentation/admin-guide: introduce perf-security.rst file Hi, On 19.11.2018 13:49, Jordan Glover wrote: > On Monday, November 19, 2018 11:46 AM, Peter Zijlstra <peterz@...radead.org> wrote: > >> 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@...ux.intel.com wrote: >>> >>>> +>=3: >>>> >>>> - Restrict *access* to PCL performance monitoring for unprivileged processes. >>>> >>>> >>>> - This is the default on Debian and Android _ , _ . >>>> >>>> >>> >>> AFAIK there is no support for '+>=3' in mainline kernel. >>> Debian and Android use out-of-tree patch for that. >>> 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. > > So, I guess we can't document NAKed patches :) Please stay tuned for v2. Thanks, Alexey > > Jordan > >
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