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From: Guenter Roeck <linux@roeck-us.net>
To: kbuild test robot <fengguang.wu@intel.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
	Ralf Baechle <ralf@linux-mips.org>
Subject: Re: arch/mips/vdso/gettimeofday.c:1:0: error: '-march=r3900' requires '-mfp32'
Date: Sun, 28 Feb 2016 02:09:13 -0800	[thread overview]
Message-ID: <56D2C749.9040207@roeck-us.net> (raw)
In-Reply-To: <201602281656.MFrLXQ6V%fengguang.wu@intel.com>

On 02/28/2016 12:42 AM, kbuild test robot wrote:
> Hi Guenter,
>
> First bad commit (maybe != root cause):
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   12b9fa6a97b3150477ab182e321be512b59fa899
> commit: 398c7500a1f5f74e207bd2edca1b1721b3cc1f1e MIPS: VDSO: Fix build error with binutils 2.24 and earlier
> date:   9 weeks 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 398c7500a1f5f74e207bd2edca1b1721b3cc1f1e
>          # save the attached .config to linux build tree
>          make.cross ARCH=mips
>
> All errors (new ones prefixed by >>):
>
>>> arch/mips/vdso/gettimeofday.c:1:0: error: '-march=r3900' requires '-mfp32'
>      /*
>      ^
>

Odd. Was the compiler switched by any chance ?
I seem to recall that I saw a similar problem when using the wrong compiler.

Guenter

> vim +1 arch/mips/vdso/gettimeofday.c
>
> a7f4df4e Alex Smith 2015-10-21 @1  /*
> a7f4df4e Alex Smith 2015-10-21  2   * Copyright (C) 2015 Imagination Technologies
> a7f4df4e Alex Smith 2015-10-21  3   * Author: Alex Smith <alex.smith@imgtec.com>
> a7f4df4e Alex Smith 2015-10-21  4   *
> a7f4df4e Alex Smith 2015-10-21  5   * This program is free software; you can redistribute it and/or modify it
> a7f4df4e Alex Smith 2015-10-21  6   * under the terms of the GNU General Public License as published by the
> a7f4df4e Alex Smith 2015-10-21  7   * Free Software Foundation;  either version 2 of the  License, or (at your
> a7f4df4e Alex Smith 2015-10-21  8   * option) any later version.
> a7f4df4e Alex Smith 2015-10-21  9   */
>
> :::::: The code at line 1 was first introduced by commit
> :::::: a7f4df4e21dd8a8dab96e88acd2c9c5017b83fc6 MIPS: VDSO: Add implementations of gettimeofday() and clock_gettime()
>
> :::::: TO: Alex Smith <alex.smith@imgtec.com>
> :::::: CC: Ralf Baechle <ralf@linux-mips.org>
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>

  reply	other threads:[~2016-02-28 10:09 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-28  8:42 arch/mips/vdso/gettimeofday.c:1:0: error: '-march=r3900' requires '-mfp32' kbuild test robot
2016-02-28 10:09 ` Guenter Roeck [this message]
  -- strict thread matches above, loose matches on Subject: below --
2017-02-12  0:17 kbuild test robot
2017-02-05 15:49 kbuild test robot
2017-01-15  1:51 kbuild test robot
2017-01-01 17:19 kbuild test robot
2016-12-11  1:21 kbuild test robot
2016-11-13  2:01 kbuild test robot
2016-11-05 23:48 kbuild test robot
2016-10-16  2:49 kbuild test robot
2016-10-02  2:39 kbuild test robot
2016-09-23  2:24 kbuild test robot
2016-09-14 16:02 kbuild test robot
2016-09-03 23:54 kbuild test robot
2016-08-28 11:23 kbuild test robot
2016-08-01 20:24 kbuild test robot
2016-07-22 17:28 kbuild test robot
2016-04-17  6:32 kbuild test robot
2016-04-03  9:23 kbuild test robot
2016-03-20  1:56 kbuild test robot
2016-03-13  9:16 kbuild test robot
2016-03-06  6:56 kbuild test robot
2016-01-05  7:23 kbuild test robot
2016-01-05  8:09 ` Guenter Roeck
2016-01-05  8:22   ` Fengguang Wu
2016-01-05 14:02     ` Guenter Roeck
2016-01-05 14:30       ` Fengguang Wu
2016-01-05 15:15         ` Guenter Roeck
2016-01-06 11:50         ` Fengguang Wu
2016-01-06 11:59           ` Fengguang Wu
2016-01-05 14:35       ` Ralf Baechle

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