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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