[PATCH 3/4] iommu/virtio: Add event queue

kbuild test robot
Thu, 22 Feb 2018 01:35:53 -0000

Hi Jean-Philippe,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.16-rc2 next-20180221]
[cannot apply to iommu/next]
[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/Jean-Philippe-Brucker/Add-virtio-iommu-driver/20180217-075417
config: parisc-allmodconfig (attached as .config)
compiler: hppa-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=parisc

All errors (new ones prefixed by >>):

   drivers/iommu/virtio-iommu.o: In function `virtio_iommu_drv_init':
   (.init.text+0x24): undefined reference to `register_virtio_driver'
   drivers/iommu/virtio-iommu.o: In function `viommu_send_reqs_sync':
   (.text.viommu_send_reqs_sync+0xdc): undefined reference to
`virtqueue_add_sgs'
   (.text.viommu_send_reqs_sync+0x12c): undefined reference to
`virtqueue_kick'
   (.text.viommu_send_reqs_sync+0x29c): undefined reference to
`virtqueue_get_buf'
   drivers/iommu/virtio-iommu.o: In function
`viommu_event_handler':
>> (.text.viommu_event_handler+0x288): undefined reference to
`virtqueue_add_inbuf'
>> (.text.viommu_event_handler+0x2a8): undefined reference to
`virtqueue_get_buf'
>> (.text.viommu_event_handler+0x2b8): undefined reference to
`virtqueue_kick'
   drivers/iommu/virtio-iommu.o: In function `viommu_probe':
   (.text.viommu_probe+0x1a0): undefined reference to
`virtio_check_driver_offered_feature'
   (.text.viommu_probe+0x248): undefined reference to
`virtio_check_driver_offered_feature'
   (.text.viommu_probe+0x2ec): undefined reference to
`virtio_check_driver_offered_feature'
   (.text.viommu_probe+0x328): undefined reference to
`virtio_check_driver_offered_feature'
>> (.text.viommu_probe+0x428): undefined reference to
`virtqueue_add_inbuf'
>> (.text.viommu_probe+0x440): undefined reference to `virtqueue_kick'
   drivers/iommu/virtio-iommu.o: In function `virtio_iommu_drv_exit':
   (.exit.text+0x18): undefined reference to `unregister_virtio_driver'

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