linux-kernel - Re: [PATCH v1] perf pmu: Fix aarch64 build

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Message-ID: <Y90XgtX9uv26UAQa@kernel.org>
Date:   Fri, 3 Feb 2023 11:17:38 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     John Garry <john.g.garry@...cle.com>,
        Will Deacon <will@...nel.org>,
        James Clark <james.clark@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Kim Phillips <kim.phillips@....com>,
        Florian Fischer <florian.fischer@...q.space>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Xing Zhengjun <zhengjun.xing@...ux.intel.com>,
        Rob Herring <robh@...nel.org>,
        Kang Minchul <tegongkang@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sandipan Das <sandipan.das@....com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        linuxppc-dev@...ts.ozlabs.org, Kajol Jain <kjain@...ux.ibm.com>,
        Stephane Eranian <eranian@...gle.com>,
        Perry Taylor <perry.taylor@...el.com>,
        Caleb Biggers <caleb.biggers@...el.com>
Subject: Re: [PATCH v1] perf pmu: Fix aarch64 build

Em Thu, Feb 02, 2023 at 05:41:22PM -0800, Ian Rogers escreveu:
> On Thu, Feb 2, 2023 at 5:40 PM Ian Rogers <irogers@...gle.com> wrote:
> >
> > ARM64 overrides a weak function but a previous change had broken the
> > build.
> >
> > Fixes: 8cefeb8bd336 ("perf pmu-events: Introduce pmu_metrics_table")
> 
> As 8cefeb8bd336 ("perf pmu-events: Introduce pmu_metrics_table") is
> only on tmp.perf/core then it may be best to just squash this fix into
> that.

Yeah, that was my intention, I'll fold it there to keep bisection,
thanks for fixing it so fast, I'll double check on my rk3399 board and
on again on the cross-build container.

- Arnaldo

> 
> Thanks,
> Ian
> 
> > Signed-off-by: Ian Rogers <irogers@...gle.com>
> > ---
> >  tools/perf/arch/arm64/util/pmu.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/tools/perf/arch/arm64/util/pmu.c b/tools/perf/arch/arm64/util/pmu.c
> > index 2779840d8896..fa143acb4c8d 100644
> > --- a/tools/perf/arch/arm64/util/pmu.c
> > +++ b/tools/perf/arch/arm64/util/pmu.c
> > @@ -22,6 +22,8 @@ static struct perf_pmu *pmu__find_core_pmu(void)
> >                         return NULL;
> >
> >                 return pmu;
> > +       }
> > +       return NULL;
> >  }
> >
> >  const struct pmu_metrics_table *pmu_metrics_table__find(void)
> > --
> > 2.39.1.519.gcb327c4b5f-goog
> >

-- 

- Arnaldo