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Sender: Arvind Sankar <niveditas98@gmail.com>
From:   Arvind Sankar <nivedita@alum.mit.edu>
Date:   Sat, 3 Oct 2020 11:18:03 -0400
To:     Gabriel C <nix.or.die@googlemail.com>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 5.9-rc7
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On Sat, Oct 03, 2020 at 04:23:15PM +0200, Gabriel C wrote:
> Am Mo., 28. Sept. 2020 um 00:00 Uhr schrieb Linus Torvalds
> <torvalds@linux-foundation.org>:
> Hello,
> 
> > Shortlog appended, but what I really hope you all will do is to give
> > it a nice good testing. One extra week or rc kernels will help, but
> > only if people actually try this out.
> >
> > So.. Please?
> 
> I'm a bit late testing, but the first thing I noticed is this warning:
> 
> ld: arch/x86/boot/compressed/head_64.o: warning: relocation in
> read-only section `.head.text'
> ld: warning: creating DT_TEXTREL in a PIE
> 
> The compiler is gcc 9.2.1 20200215, with default PIE enabled, ld version 2.35.1.
> The config used is the 64bit defconfig.
> 
> Best Regards,
> 
> Gabriel C.

You can ignore the warning for now, it is harmless: it's always been
there, but binutils-2.35 has enabled the warning by default. There are
patches in tip that should make this go away for v5.10.

Thanks.

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=blob_plain;f=ld/NEWS;hb=refs/tags/binutils-2_35_1

* Add a configure option, --enable-textrel-check=[no|yes|warning|error],
  to decide what ELF linker should do by default with DT_TEXTREL in an
  executable or shared library.  Default to yes for Linux/x86 targets.