linux-kernel - Re: [PATCH 3/3] virtio-pmem: Add virtio pmem driver

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Date:   Wed, 5 Sep 2018 20:02:23 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Pankaj Gupta <pagupta@...hat.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, qemu-devel@...gnu.org,
        linux-nvdimm@...1.01.org, jack@...e.cz, stefanha@...hat.com,
        dan.j.williams@...el.com, riel@...riel.com, nilal@...hat.com,
        kwolf@...hat.com, pbonzini@...hat.com, ross.zwisler@...el.com,
        david@...hat.com, xiaoguangrong.eric@...il.com, hch@...radead.org,
        mst@...hat.com, niteshnarayanlal@...mail.com,
        lcapitulino@...hat.com, imammedo@...hat.com, eblake@...hat.com,
        pagupta@...hat.com
Subject: Re: [PATCH 3/3]  virtio-pmem: Add virtio pmem driver

Hi Pankaj,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linux-nvdimm/libnvdimm-for-next]
[also build test ERROR on v4.19-rc2 next-20180905]
[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/Pankaj-Gupta/kvm-fake-DAX-device/20180903-160032
base:   https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git libnvdimm-for-next
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/virtio/virtio_pmem.o: In function `virtio_pmem_remove':
>> virtio_pmem.c:(.text+0x299): undefined reference to `nvdimm_bus_unregister'
   drivers/virtio/virtio_pmem.o: In function `virtio_pmem_probe':
>> virtio_pmem.c:(.text+0x5e3): undefined reference to `nvdimm_bus_register'
>> virtio_pmem.c:(.text+0x62a): undefined reference to `nvdimm_pmem_region_create'
   virtio_pmem.c:(.text+0x63b): undefined reference to `nvdimm_bus_unregister'

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0-DAY kernel test infrastructure                Open Source Technology Center
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