linux-kernel - Re: [PATCH] kconfig: Clarify choice dependency propagation

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Message-ID: <CAK7LNAQuW5X5rpZMwRy=Mo=W-KZy30ojTtaatweyS=iYuk9qGQ@mail.gmail.com>
Date:   Fri, 19 Jan 2018 11:29:48 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Ulf Magnusson <ulfalizer@...il.com>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kconfig: Clarify choice dependency propagation

Hi Ulf,


2018-01-19 1:58 GMT+09:00 Ulf Magnusson <ulfalizer@...il.com>:
> On Thu, Jan 18, 2018 at 5:47 PM, Masahiro Yamada
> <yamada.masahiro@...ionext.com> wrote:
>> 2018-01-14 23:12 GMT+09:00 Ulf Magnusson <ulfalizer@...il.com>:
>>> It's easy to miss that choices are special-cased to pass on their mode
>>> as the parent dependency.
>>>
>>> No functional changes. Only comments added.
>>>
>>> Signed-off-by: Ulf Magnusson <ulfalizer@...il.com>
>>> ---
>>>  scripts/kconfig/menu.c | 7 +++++++
>>>  1 file changed, 7 insertions(+)
>>>
>>> diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
>>> index 92d3f06cd8a2..53964d911708 100644
>>> --- a/scripts/kconfig/menu.c
>>> +++ b/scripts/kconfig/menu.c
>>> @@ -323,6 +323,13 @@ void menu_finalize(struct menu *parent)
>>>                                 if (menu->sym && menu->sym->type == S_UNKNOWN)
>>>                                         menu_set_type(sym->type);
>>>                         }
>>> +
>>> +                       /*
>>> +                        * Use the choice itself as the parent dependency of
>>> +                        * the contained items. This turns the mode of the
>>> +                        * choice into an upper bound on the visibility of the
>>> +                        * choice symbols.
>>> +                        */
>>
>> Does the last "choice symbols" mean "choice values"?
>> The "choice" itself is a symbol with NULL name,
>> so I'd like to clarify it.
>
> Yep, means the choice values (which are symbols). "Choice values"
> would probably be clearer, yeah, or maybe "choice value symbols".
>
> Should I submit a new version? I'm fine with just a
> 's/symbols/values/' or 's/symbols/value symbols/' otherwise.
>
> Cheers,
> Ulf


It is trivial, so I will locally fix it up.

s/symbols/value symbols/

Thanks!




-- 
Best Regards
Masahiro Yamada