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

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Message-ID: <CAP-5=fX0ohsCUspm7NowDy2bmSr2cJfp=iaStK4EAdVy7zBHGA@mail.gmail.com>
Date:   Thu, 2 Feb 2023 17:41:22 -0800
From:   Ian Rogers <irogers@...gle.com>
To:     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>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        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>
Cc:     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

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.

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
>