linux-kernel - Re: [PATCH v2] xen/privcmd: add IOCTL_PRIVCMD_MMAP

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Date:   Fri, 6 Apr 2018 15:04:55 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Paul Durrant <paul.durrant@...rix.com>
Cc:     kbuild-all@...org, x86@...nel.org, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org,
        Paul Durrant <paul.durrant@...rix.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v2] xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE

Hi Paul,

I love your patch! Yet something to improve:

[auto build test ERROR on xen-tip/linux-next]
[also build test ERROR on v4.16 next-20180405]
[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/Paul-Durrant/xen-privcmd-add-IOCTL_PRIVCMD_MMAP_RESOURCE/20180406-121749
base:   https://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git linux-next
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-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=arm64 

All errors (new ones prefixed by >>):

   drivers/xen/privcmd.o: In function `privcmd_ioctl':
>> privcmd.c:(.text+0x12ac): undefined reference to `xen_remap_domain_mfn_array'
   privcmd.c:(.text+0x12ac): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `xen_remap_domain_mfn_array'

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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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