New assembler warnings with binutils 2.29

From	Laura Abbott <labbott@redhat.com>
Newsgroups	linux.kernel
Subject	New assembler warnings with binutils 2.29
Date	2017-08-10 22:20 +0200
Message-ID	<ud25X-2iy-15@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Fedora rawhide recently upgraded to binutils 2.29 and this seems
to produce new warnings:

./arch/arm64/include/asm/assembler.h: Assembler messages:
./arch/arm64/include/asm/assembler.h:125: Warning: ignoring attempt to redefine built-in register 'lr'

This is

/*
 * Register aliases.
 */
lr      .req    x30             // link register

https://kojipkgs.fedoraproject.org//packages/kernel/4.13.0/0.rc2.git2.1.fc27/data/logs/aarch64/build.log
has an example log. As far as I can tell this doesn't affect anything at runtime.

Any ideas?

Thanks,
Laura

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New assembler warnings with binutils 2.29 Laura Abbott <labbott@redhat.com> - 2017-08-10 22:20 +0200
  Re: New assembler warnings with binutils 2.29 Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-08-11 11:30 +0200
    Re: New assembler warnings with binutils 2.29 Arnd Bergmann <arnd@arndb.de> - 2017-08-11 11:40 +0200
      Re: New assembler warnings with binutils 2.29 Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-08-11 12:20 +0200
  Re: New assembler warnings with binutils 2.29 Catalin Marinas <catalin.marinas@arm.com> - 2017-08-11 11:30 +0200

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