tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: 38987d8c2c1d38c1be93aaa52e8808b04fa10d96 commit: b2af0e6da9a5acff7db01db16899c180bf3105d9 [36/43] FROMGIT: virtio: add dma-buf support for exported objects config: h8300-randconfig-r003-20200909 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout b2af0e6da9a5acff7db01db16899c180bf3105d9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): h8300-linux-ld: section .init.text LMA [00000000004990e0,00000000004ce9ef] overlaps section .text LMA [0000000000000158,0000000000a404cf] h8300-linux-ld: section .data VMA [0000000000400000,00000000004990df] overlaps section .text VMA [0000000000000158,0000000000a404cf] h8300-linux-ld: arch/h8300/kernel/entry.o: in function `resume_kernel': arch/h8300/kernel/entry.S:324: undefined reference to `TI_PRE_COUNT' h8300-linux-ld: drivers/virtio/virtio_dma_buf.o: in function `virtio_dma_buf_export': git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout b2af0e6da9a5acff7db01db16899c180bf3105d9 vim +32 drivers/virtio/virtio_dma_buf.c 9 10 /** 11 * virtio_dma_buf_export - Creates a new dma-buf for a virtio exported object 12 * @exp_info: [in] see dma_buf_export(). ops MUST refer to a dma_buf_ops 13 * struct embedded in a virtio_dma_buf_ops. 14 * 15 * This wraps dma_buf_export() to allow virtio drivers to create a dma-buf 16 * for an virtio exported object that can be queried by other virtio drivers 17 * for the object's UUID. 18 */ 19 struct dma_buf *virtio_dma_buf_export 20 (const struct dma_buf_export_info *exp_info) 21 { 22 const struct virtio_dma_buf_ops *virtio_ops = 23 container_of(exp_info->ops, 24 const struct virtio_dma_buf_ops, ops); 25 26 if (!exp_info->ops || 27 exp_info->ops->attach != &virtio_dma_buf_attach || 28 !virtio_ops->get_uuid) { 29 return ERR_PTR(-EINVAL); 30 } 31 33 } 34 EXPORT_SYMBOL(virtio_dma_buf_export); 35 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org