linux-kernel - Re: [PATCH] x86/tools/relocs: Add _etext and __end_of_kernel_reserve to S

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Message-ID: <20200110203828.GK19453@zn.tnic>
Date:   Fri, 10 Jan 2020 21:38:28 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Arvind Sankar <nivedita@...m.mit.edu>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>,
        Thomas Lendacky <Thomas.Lendacky@....com>
Subject: Re: [PATCH] x86/tools/relocs: Add _etext and __end_of_kernel_reserve
 to S_REL

On Fri, Jan 10, 2020 at 03:23:49PM -0500, Arvind Sankar wrote:
> Pre-2.23 binutils makes symbols defined outside sections absolute, so
> these two symbols break the build on old linkers.

-ENOTENOUGHINFO

Which old linkers, how exactly do they break the build, etc etc?

Please give exact reproduction steps.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette