linux-kernel - Re: [PATCH v5 1/5] perf metric: Event "Compat" value supports matching multiple identifiers

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Date:   Mon, 31 Jul 2023 14:16:34 +0100
From:   John Garry <john.g.garry@...cle.com>
To:     Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Ian Rogers <irogers@...gle.com>
Cc:     Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
        Robin Murphy <robin.murphy@....com>,
        Ilkka Koskinen <ilkka@...amperecomputing.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-doc@...r.kernel.org,
        Zhuo Song <zhuo.song@...ux.alibaba.com>,
        Shuai Xue <xueshuai@...ux.alibaba.com>
Subject: Re: [PATCH v5 1/5] perf metric: Event "Compat" value supports
 matching multiple identifiers

On 31/07/2023 11:59, Jing Zhang wrote:
>> why not use a comma-separated list? that is more common
>>
> Hi John,
> 
> I use a semicolon instead of a comma because I want to distinguish it from the function
> of the comma in "Unit" and avoid confusion between the use of commas in "Unit" and "Compat".
> Because in “Compat”, the semicolon means "or". So I think semicolons are more appropriate,
> what do you think?
> 

I suppose semicolon is ok in this case.

Thanks,
John