linux-kernel - Re: [PATCH v2] perf expr: Force encapsulation on expr_id

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Date:   Thu, 3 Sep 2020 22:53:16 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     kajoljain <kjain@...ux.ibm.com>
Cc:     Jiri Olsa <jolsa@...hat.com>,
        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>,
        Namhyung Kim <namhyung@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Leo Yan <leo.yan@...aro.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v2] perf expr: Force encapsulation on expr_id_data

On Thu, Aug 27, 2020 at 12:00 AM kajoljain <kjain@...ux.ibm.com> wrote:
>
>
>
> On 8/26/20 9:27 PM, Jiri Olsa wrote:
> > On Wed, Aug 26, 2020 at 08:30:55AM -0700, Ian Rogers wrote:
> >> This patch resolves some undefined behavior where variables in
> >> expr_id_data were accessed (for debugging) without being defined. To
> >> better enforce the tagged union behavior, the struct is moved into
> >> expr.c and accessors provided. Tag values (kinds) are explicitly
> >> identified.
>
> Reviewed-By: Kajol Jain<kjain@...ux.ibm.com>
>
> Thanks,
> Kajol Jain
> >>
> >> Signed-off-by: Ian Rogers <irogers@...gle.com>
> >
> > great, thanks for doing this
> >
> > Acked-by: Jiri Olsa <jolsa@...hat.com>
> >
> > jirka
> >

Thanks for the reviews! Arnaldo could this get merged? Thanks!
Ian