linux-kernel - Re: [PATCH v4 1/2] dm-unstripe: unstripe RAID 0/dm-striped device

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Message-ID: <201712201815.9AIAEPWE%fengguang.wu@intel.com>
Date:   Wed, 20 Dec 2017 18:21:51 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Scott Bauer <scott.bauer@...el.com>
Cc:     kbuild-all@...org, dm-devel@...hat.com, snitzer@...hat.com,
        agk@...hat.com, linux-kernel@...r.kernel.org,
        keith.busch@...el.com, jonathan.derrick@...el.com,
        Scott Bauer <scott.bauer@...el.com>
Subject: Re: [PATCH v4 1/2] dm-unstripe: unstripe RAID 0/dm-striped device

Hi Scott,

I love your patch! Yet something to improve:

[auto build test ERROR on dm/for-next]
[also build test ERROR on v4.15-rc4]
[cannot apply to next-20171220]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Scott-Bauer/dm-unstripe/20171220-121845
base:   https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   drivers/md/dm-unstripe.o: In function `set_ctr':
>> dm-unstripe.c:(.text+0x438): undefined reference to `__aeabi_uldivmod'
   dm-unstripe.c:(.text+0x450): undefined reference to `__aeabi_uldivmod'

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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