linux-kernel - Re: [PATCH v2 9/9] perf cs-etm: Show a warning for an unknown magic number

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Message-ID: <CAJ9a7Vh48zXnh8Wq8FDAik2GbX6JCnoq=h7B6wokkht0KRb7WA@mail.gmail.com>
Date:   Sun, 5 Sep 2021 22:24:47 +0100
From:   Mike Leach <mike.leach@...aro.org>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Leo Yan <leo.yan@...aro.org>,
        James Clark <james.clark@....com>,
        Coresight ML <coresight@...ts.linaro.org>,
        linux-perf-users@...r.kernel.org,
        "Suzuki K. Poulose" <suzuki.poulose@....com>,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 9/9] perf cs-etm: Show a warning for an unknown magic number

Reviewed-by: Mike Leach <mike.leach@...aro.org>


On Thu, 2 Sept 2021 at 20:22, Mathieu Poirier
<mathieu.poirier@...aro.org> wrote:
>
> On Thu, 2 Sept 2021 at 12:19, Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> >
> > Em Thu, Sep 02, 2021 at 11:48:51AM -0600, Mathieu Poirier escreveu:
> > > Hi Arnaldo,
> > >
> > > On Wed, Sep 01, 2021 at 12:54:34PM -0300, Arnaldo Carvalho de Melo wrote:
> > > > Em Tue, Aug 24, 2021 at 04:36:15PM +0800, Leo Yan escreveu:
> > > > > On Fri, Aug 06, 2021 at 02:41:09PM +0100, James Clark wrote:
> > > > > > Currently perf reports "Cannot allocate memory" which isn't very helpful
> > > > > > for a potentially user facing issue. If we add a new magic number in
> > > > > > the future, perf will be able to report unrecognised magic numbers.
> > > > > >
> > > > > > Signed-off-by: James Clark <james.clark@....com>
> > > > >
> > > > > Reviewed-by: Leo Yan <leo.yan@...aro.org>
> > > >
> > > > Applies cleanly to my tree, test building it now, holler if there is
> > > > something that prevents it from being merged.
> > >
> > > Have you already merged this?
> > >
> > > If so than let it be.  Otherwise please hold off as I'd like to take a look,
> > > something I intend on doing next week.
> >
> > Ok, I can remove them from my local branch, but this may make this miss
> > the v5.15 merge window, please advise.
> >
>
> Nah, leave it in your branch and proceed for this merge window.
>
> > - Arnaldo



--
Mike Leach
Principal Engineer, ARM Ltd.
Manchester Design Centre. UK