Re: [PATCH v1] perf pmu: Fix aarch64 build

From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: John Garry <john.g.garry@oracle.com>,
	Will Deacon <will@kernel.org>, James Clark <james.clark@arm.com>,
	Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	Kim Phillips <kim.phillips@amd.com>,
	Florian Fischer <florian.fischer@muhq.space>,
	Ravi Bangoria <ravi.bangoria@amd.com>,
	Xing Zhengjun <zhengjun.xing@linux.intel.com>,
	Rob Herring <robh@kernel.org>,
	Kang Minchul <tegongkang@gmail.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
	Sandipan Das <sandipan.das@amd.com>,
	Jing Zhang <renyu.zj@linux.alibaba.com>,
	linuxppc-dev@lists.ozlabs.org, Kajol Jain <kjain@linux.ibm.com>,
	Stephane Eranian <eranian@google.com>,
	Perry Taylor <perry.taylor@intel.com>,
	Caleb Biggers <caleb.biggers@intel.com>
Subject: Re: [PATCH v1] perf pmu: Fix aarch64 build
Date: Fri, 3 Feb 2023 11:17:38 -0300	[thread overview]
Message-ID: <Y90XgtX9uv26UAQa@kernel.org> (raw)
In-Reply-To: <CAP-5=fX0ohsCUspm7NowDy2bmSr2cJfp=iaStK4EAdVy7zBHGA@mail.gmail.com>

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@google.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@google.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