linux-kernel - Re: [PATCH] scripts: merge_config: Add flag to prevent unsetting config option

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Message-ID: <CAK7LNAS2XKRisvMkB+dw3ZnExYuy9U8xB9BXnXy2FvqZWrRk-g@mail.gmail.com>
Date:   Tue, 8 Aug 2023 04:04:37 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Rahul Rameshbabu <sergeantsagara@...tonmail.com>
Cc:     linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scripts: merge_config: Add flag to prevent unsetting
 config option

On Mon, Aug 7, 2023 at 1:13 PM Rahul Rameshbabu
<sergeantsagara@...tonmail.com> wrote:
>
>
> On Sun, 06 Aug, 2023 23:19:55 +0900 "Masahiro Yamada" <masahiroy@...nel.org> wrote:
> > On Sun, Jul 30, 2023 at 6:42 AM Rahul Rameshbabu
> > <sergeantsagara@...tonmail.com> wrote:
> >>
> >> Overriding a previously defined entry for a config option with 'is not set'
> >> may be undesirable in some fragment configuration setups.
> >
> > Then, you should remove the 'is not set' entry from the fragment.
>
> I had a feeling that was the expectation. Just for reference, my flow
> for generating fragments looks like the following.
>
>   1. make allnoconfig
>   2. make menuconfig   # select the options that I desire for the fragment


Sorry, I could not understand
how these steps generate a fragment file.

You will get a full .config file
after 'make menuconfig'.





> We can drop this patch if this is the expected developer flow. I
> realized that overriding with 'is not set' entries in a fragment is
> likely desirable, so I made this behavior change as part of a flag that
> can be set by the user.
>
> --
> Thanks,
>
> Rahul Rameshbabu
>


-- 
Best Regards
Masahiro Yamada