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

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Message-ID: <YTEVwVCWoS8cgqql@kernel.org>
Date:   Thu, 2 Sep 2021 15:19:45 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:     Leo Yan <leo.yan@...aro.org>, James Clark <james.clark@....com>,
        coresight@...ts.linaro.org, linux-perf-users@...r.kernel.org,
        mike.leach@...aro.org, 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@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 9/9] perf cs-etm: Show a warning for an unknown magic
 number

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.

- Arnaldo