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From: Masahiro Yamada <masahiroy@kernel.org>
To: Lee Jones <lee.jones@linaro.org>
Cc: Matthias Maennich <maennich@google.com>,
	open list <linux-kernel@vger.kernel.org>,
	"Cc: Android Kernel" <kernel-team@android.com>,
	linux-kbuild <linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH] scripts: merge_config: add strict mode to fail upon any redefinition
Date: Sun, 1 Aug 2021 10:51:18 +0900	[thread overview]
Message-ID: <CAK7LNAQh1UR0_04FuiTz5U7b4jthdLoP97K=oJ2c=-E0Qiqh5A@mail.gmail.com> (raw)
In-Reply-To: <CAF2Aj3hS0kxrnf+kePWmYAT3A-+PTVQ7_6yWj1nO8BLjwGZGQg@mail.gmail.com>

On Mon, Jul 26, 2021 at 8:01 PM Lee Jones <lee.jones@linaro.org> wrote:
>
> On Sat, 24 Jul 2021, 14:57 Masahiro Yamada, <masahiroy@kernel.org> wrote:
>>
>> On Thu, Jul 22, 2021 at 7:13 PM Lee Jones <lee.jones@linaro.org> wrote:
>> >
>> > Masahiro,
>> >
>> > On Fri, 21 May 2021 at 10:29, Lee Jones <lee.jones@linaro.org> wrote:
>> >>
>> >> On Wed, 2 Dec 2020 at 15:13, Matthias Maennich <maennich@google.com> wrote:
>> >>>
>> >>> When merging configuration fragments, it might be of interest to
>> >>> identify mismatches (redefinitions) programmatically. Hence add the
>> >>> option -s (strict mode) to instruct merge_config.sh to bail out in
>> >>> case any redefinition has been detected.
>> >>>
>> >>> With strict mode, warnings are emitted as before, but the script
>> >>> terminates with rc=1. If -y is set to define "builtin having
>> >>> precedence over modules", fragments are still allowed to set =m (while
>> >>> the base config has =y). Strict mode will tolerate that as demotions
>> >>> from =y to =m are ignored when setting -y.
>> >>>
>> >>> Cc: Masahiro Yamada <masahiroy@kernel.org>
>> >>> Signed-off-by: Matthias Maennich <maennich@google.com>
>> >>> ---
>> >>>  scripts/kconfig/merge_config.sh | 15 +++++++++++++++
>> >>>  1 file changed, 15 insertions(+)
>> >>
>> >>
>> >> Reviewed-by: Lee Jones <lee.jones@linaro.org>
>> >
>> >
>> > Any idea what's holding this up please?
>>
>> Simply because I hate this script.
>>
>>
>> merge_config.sh itself is a bad hack.
>> I do not like to extend it further.
>
>
> Sorry you feel that way Masahiro.


I do not know why merge_config was implemented as
a separate shell script while all the other
functions were contained in the kconfig binary.

Anyway...


>> Not only this one.
>> I saw more people with
>> "hey, I came up with a new option for merge_config.sh"
>> to do whatever they like to do.
>>
>> However, it might be too late anyway.
>>
>>
>> So, I can merge this patch if people believe
>> it is useful.
>
>
> I know of multiple entities who make good use of the script and this extension.
>
> My vote is to merge it, but ultimately this is your train set.


OK, I decided to not care about it too much.

Now applied to linux-kbuild. Thanks.




-- 
Best Regards
Masahiro Yamada

  parent reply	other threads:[~2021-08-01  1:52 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-02 15:12 Matthias Maennich
     [not found] ` <CAF2Aj3jS6+RN5mEeF+65MRsyMR9BMecMmxwr3sfjwd64zA6Acw@mail.gmail.com>
     [not found]   ` <CAF2Aj3hWWoQvezD4Ma01LrhUwGLobNk40H9ArvjT5+XeNE3vMw@mail.gmail.com>
2021-07-24 13:56     ` Masahiro Yamada
     [not found]       ` <CAF2Aj3hS0kxrnf+kePWmYAT3A-+PTVQ7_6yWj1nO8BLjwGZGQg@mail.gmail.com>
2021-08-01  1:51         ` Masahiro Yamada [this message]
2021-08-02  7:50           ` Lee Jones

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