linux-kernel - Re: [PATCH] x86/build: Move _etext to actual end of .text

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Message-ID: <20190605184318.GB32750@kroah.com>
Date:   Wed, 5 Jun 2019 20:43:18 +0200
From:   Greg KH <greg@...ah.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Alec Ari <neotheuser@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>, x86@...nel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] x86/build: Move _etext to actual end of .text

On Wed, Jun 05, 2019 at 11:16:06AM -0700, Kees Cook wrote:
> On Wed, Jun 05, 2019 at 11:08:13AM -0500, Alec Ari wrote:
> > I'm having this problem too, build is failing:
> > 
> > Invalid absolute R_X86_64_32S relocation: _etext
> > 
> > I stayed on the 4.14 branch to help prevent these kind of breakages,
> > so much for that idea. Gentoo GCC 8.3.0.
> 
> It seems to be a problem with the Gold linker. Using ld.bfd appears to
> work. I haven't narrowed down the problem, unfortunately.
> 
> Greg, given that this change was only for special situations (Clang
> CFI), can you revert this for the stable trees?

Turns out that Android required it to be reverted too, so no one needs
this :(

I'll go revert this, thanks.

greg k-h