linux-kernel - Re: [kbuild-all] arch/mips/vdso/elf.S:1:0: error: '-march=r3900' requires '-mfp32'

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Date:	Mon, 14 Mar 2016 10:00:27 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Alex Smith <alex.smith@...tec.com>
Cc:	Markos Chandras <markos.chandras@...tec.com>, kbuild-all@...org,
	Ralf Baechle <ralf@...ux-mips.org>,
	linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org
Subject: Re: [kbuild-all] arch/mips/vdso/elf.S:1:0: error: '-march=r3900'
 requires '-mfp32'

Hi Alex,

This error has been there for some time. Shall I stop reporting it
by adding this error to blacklist?

Thanks,
Fengguang

On Sun, Mar 13, 2016 at 05:08:45PM +0800, kbuild test robot wrote:
> Hi Alex,
> 
> FYI, the error/warning still remains.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   f414ca64be4b36c30deb5b5fa25c5a8ff42ea56b
> commit: ebb5e78cc63417a35254a791de66e1cc84f963cc MIPS: Initial implementation of a VDSO
> date:   4 months ago
> config: mips-jmr3927_defconfig (attached as .config)
> reproduce:
>         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout ebb5e78cc63417a35254a791de66e1cc84f963cc
>         # save the attached .config to linux build tree
>         make.cross ARCH=mips 
> 
> All errors (new ones prefixed by >>):
> 
> >> arch/mips/vdso/elf.S:1:0: error: '-march=r3900' requires '-mfp32'
>     /*
>     ^
> --
> >> arch/mips/vdso/sigreturn.S:1:0: error: '-march=r3900' requires '-mfp32'
>     /*
>     ^
> 
> vim +1 arch/mips/vdso/elf.S
> 
>    > 1	/*
>      2	 * Copyright (C) 2015 Imagination Technologies
>      3	 * Author: Alex Smith <alex.smith@...tec.com>
>      4	 *
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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