linux-kernel - Re: [PATCH v2] kbuild: Fail if gold linker is detected

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAK7LNATg38uFeY8JKnNPXudv8y4O1g=TPtvEbcBjrqFXSaKgdQ@mail.gmail.com>
Date:   Mon, 29 Jul 2019 11:27:20 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Mike Lothian <mike@...eburn.co.uk>,
        Nathan Chancellor <natechancellor@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        X86 ML <x86@...nel.org>, "H.J. Lu" <hjl.tools@...il.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        "Theodore Y. Ts'o" <tytso@....edu>,
        linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH v2] kbuild: Fail if gold linker is detected

On Tue, Jul 23, 2019 at 5:17 PM Thomas Gleixner <tglx@...utronix.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