linux-kernel - Re: [PATCH v2 4/4] kbuild: remove guarding from TRIM_UNUSED

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Message-ID: <CAHk-=wh8qKZYoN-M5a5-=ps7Cf_obtd0P_-0h+nMQEWkVqGFzg@mail.gmail.com>
Date:   Tue, 9 Mar 2021 11:54:51 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Christoph Hellwig <hch@....de>, Jessica Yu <jeyu@...nel.org>,
        Nicolas Pitre <nico@...xnic.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH v2 4/4] kbuild: remove guarding from TRIM_UNUSED_KSYMS

On Tue, Mar 9, 2021 at 7:18 AM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> Now that the build time cost of this option is unnoticeable level,
> revert the following two:

It might still be a good idea to make it depend on EXPERT. Otherwise
you'll have problems with external modules..

Also, can you actually specify that "unnoticeable level" with numbers?

             Linus