linux-kernel - Re: [PATCH 0/5] perf: Treat perf_event_paranoid and kptr

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Message-ID: <20190828202205.GG2053@redhat.com>
Date:   Wed, 28 Aug 2019 17:22:05 -0300
From:   Arnaldo Carvalho de Melo <acme@...hat.com>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:     Igor Lubashev <ilubashe@...mai.com>, Jiri Olsa <jolsa@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        James Morris <jmorris@...ei.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Suzuki Poulouse <suzuki.poulose@....com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/5] perf: Treat perf_event_paranoid and kptr_restrict
 like the kernel does it

Em Wed, Aug 28, 2019 at 01:31:21PM -0600, Mathieu Poirier escreveu:
> On Mon, 26 Aug 2019 at 19:40, Igor Lubashev <ilubashe@...mai.com> wrote:
> > Igor Lubashev (5):
> >   perf event: Check ref_reloc_sym before using it
> >   perf tools: Use CAP_SYS_ADMIN with perf_event_paranoid checks
> >   perf util: kernel profiling is disallowed only when perf_event_paranoid > 1
> >   perf symbols: Use CAP_SYSLOG with kptr_restrict checks
> >   perf: warn that perf_event_paranoid can restrict kernel symbols

> >  tools/perf/arch/arm/util/cs-etm.c    |  3 ++-
 
> For the coresight part:
 
> Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>
 
> >  tools/perf/arch/arm64/util/arm-spe.c |  3 ++-
> >  tools/perf/arch/x86/util/intel-bts.c |  3 ++-
> >  tools/perf/arch/x86/util/intel-pt.c  |  2 +-
> >  tools/perf/builtin-record.c          |  2 +-
> >  tools/perf/builtin-top.c             |  2 +-
> >  tools/perf/builtin-trace.c           |  2 +-
> >  tools/perf/util/event.c              |  7 ++++---
> >  tools/perf/util/evsel.c              |  2 +-
> >  tools/perf/util/symbol.c             | 15 ++++++++++++---
> >  10 files changed, 27 insertions(+), 14 deletions(-)
> 
> For the set:
> 
> Tested-by: Mathieu Poirier <mathieu.poirier@...aro.org>

Thanks, updated the patches with your tags,

- Arnaldo