linux-kernel - Re: [PATCH v8 1/6] arch: enable relative relocations for arm64, power and x86

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Message-ID: <CA+55aFwTUY5s6nh+bmmDyVEoz6ntt5OgdduKUbTnMn5e0q8Y3A@mail.gmail.com>
Date:   Sun, 11 Mar 2018 14:23:12 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:     linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Arnd Bergmann <arnd@...db.de>,
        Kees Cook <keescook@...omium.org>,
        Will Deacon <will.deacon@....com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Thomas Garnier <thgarnie@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Russell King <linux@...linux.org.uk>,
        Paul Mackerras <paulus@...ba.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Petr Mladek <pmladek@...e.com>, Ingo Molnar <mingo@...hat.com>,
        James Morris <james.l.morris@...cle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nicolas Pitre <nico@...aro.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Jessica Yu <jeyu@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        "the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: [PATCH v8 1/6] arch: enable relative relocations for arm64, power
 and x86

On Sun, Mar 11, 2018 at 1:35 PM, Ard Biesheuvel
<ard.biesheuvel@...aro.org> wrote:
>
> I'm sure all of these architectures define some kind of 32-bit place
> relative relocation in their ELF psABI, and I see how it would be
> cleaner to change everything at once, but I anticipate a long tail of
> issues with toolchains for niche architectures that I have no way to
> test.

Ok, fair enough.

           Linus