linux-kernel - Re: [PATCH v2 1/2] perf jevents: Use name for special find value

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Date: Tue, 28 May 2024 10:55:24 +0100
From: John Garry <john.g.garry@...cle.com>
To: Ian Rogers <irogers@...gle.com>, Weilin Wang <weilin.wang@...el.com>,
        Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Sandipan Das
 <sandipan.das@....com>, linux-perf-users@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] perf jevents: Use name for special find value

On 25/05/2024 02:30, Ian Rogers wrote:
> -1000 was used as a special value added in Commit 3d5045492ab2 ("perf
> pmu-events: Add pmu_events_table__find_event()") to show that 1 table
> lacked a PMU/event but that didn't terminate the search in other
> tables. Add a new constant PMU_EVENTS__NOT_FOUND for this value and
> use it.
> 
> Signed-off-by: Ian Rogers<irogers@...gle.com>

Reviewed-by: John Garry <john.g.garry@...cle.com>