linux-kernel - Re: [PATCH v11 2/3] perf config: Reimplement perf_config() introducing new perf_config__init() and perf_config_

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Date:	Thu, 23 Jun 2016 23:33:41 +0900
From:	Taeung Song <taeung.dev@...il.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Taeung Song <treeze.taeung@...il.com>
Cc:	Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Wang Nan <wangnan0@...wei.com>, Jiri Olsa <jolsa@...hat.com>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v11 2/3] perf config: Reimplement perf_config()
 introducing new perf_config__init() and perf_config__finish()



On 06/23/2016 11:30 PM, Arnaldo Carvalho de Melo wrote:
> Em Thu, Jun 23, 2016 at 11:15:49PM +0900, Taeung Song escreveu:
>>
>>
>> On 06/23/2016 10:38 PM, Arnaldo Carvalho de Melo wrote:
>>> Em Thu, Jun 23, 2016 at 10:03:39PM +0900, Taeung Song escreveu:
>>>> +/**
>>>> + * perf_config_sections__for_each - iterate thru all the sections
>>>> + * @list: list_head instance to iterate
>>>> + * @section: struct perf_config_section iterator
>>>> + */
>>>> +#define perf_config_sections__for_each(list, section)	\
>>>> +        list_for_each_entry(section, list, node)
>>>> +
>>>
>>> I was almost applying this but then there is a little detail, which is
>>> that it is a goal to make the tools/ code look as much as kernel code as
>>> possible, to encourage kernel developers to contribute to the tools
>>> codebase and also to expose userspace developers to kernel practices.
>>>
>>> With that said, please rename these for_each macros to for_each_entry,
>>> i.e.:
>>>
>>> perf_config_sections__for_each_entry()
>>> perf_config_items__for_each_entry()
>>>
>>> As for_each and for_each_entry both exist in the kernel and have well
>>> know semantics that we want to keep.
>>>
>>> Probably there are cases in tools/ where we break this rule, I'll check
>>> and fix.
>>>
>>
>> Granted ! :)
>>
>> I sent v12 with above changes a moment ago.
>
> Thanks, I've just converted evlist__for_each* and strlist__for_each to
> this format.
>

Okey :-D
I also think it seems great.

Thanks,
Taeung