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From:   Masahiro Yamada <yamada.masahiro@socionext.com>
Date:   Mon, 29 Jul 2019 11:27:20 +0900
Message-ID: <CAK7LNATg38uFeY8JKnNPXudv8y4O1g=TPtvEbcBjrqFXSaKgdQ@mail.gmail.com>
Subject: Re: [PATCH v2] kbuild: Fail if gold linker is detected
To:     Thomas Gleixner <tglx@linutronix.de>
Cc:     Mike Lothian <mike@fireburn.co.uk>,
        Nathan Chancellor <natechancellor@gmail.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        X86 ML <x86@kernel.org>, "H.J. Lu" <hjl.tools@gmail.com>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        "Theodore Y. Ts'o" <tytso@mit.edu>,
        linux-arch <linux-arch@vger.kernel.org>
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On Tue, Jul 23, 2019 at 5:17 PM Thomas Gleixner <tglx@linutronix.de> wrote:
>
> On Tue, 23 Jul 2019, Thomas Gleixner wrote:
> > On Tue, 23 Jul 2019, Masahiro Yamada wrote:
> > > Right.
> > > I was able to build with ld.gold
> > >
> > > So, we can use gold, depending on the kernel configuration.
> >
> > That's exactly the problem. It breaks with random kernel configurations
> > which is not acceptable except for people who know what they are doing.
> >
> > I'm tired of dealing with half baken fixes and 'regression' reports. Either
> > there is an effort to fix the issues with gold like the clang people fix
> > their issues or it needs to be disabled. We have a clear statement that
> > gold developers have other priorities.
>
> That said, I'm perfectly happy to move this to x86 and leave it alone for
> other architectures, but it does not make sense to me.


I did not see opposition from other arch maintainers.


> If the gold fans care enough, then we can add something like
> CONFIG_I_WANT_TO_USE_GOLD_AND_DEAL_WITH_THE_FALLOUT_MYSELF.

Let's apply this and see.

If somebody really wants to use gold by his risk,
I will consider such a config option.


Applied to linux-kbuild.
Thanks.


-- 
Best Regards
Masahiro Yamada