Hi Olivier, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on drm-tip/drm-tip linus/master v5.19 next-20220812] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Olivier-Masse/tee-Add-tee_shm_register_fd/20220812-223302 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next config: arm-randconfig-r026-20220814 (https://download.01.org/0day-ci/archive/20220814/202208140900.TNSQFBzy-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 3329cec2f79185bafd678f310fafadba2a8c76d2) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/intel-lab-lkp/linux/commit/994ce362c3244904f79f1e7d4cb436ea162421d1 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Olivier-Masse/tee-Add-tee_shm_register_fd/20220812-223302 git checkout 994ce362c3244904f79f1e7d4cb436ea162421d1 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): ERROR: modpost: "__aeabi_uldivmod" [drivers/mtd/mtdswap.ko] undefined! >> ERROR: modpost: module tee uses symbol dma_buf_get from namespace DMA_BUF, but does not import it. >> ERROR: modpost: module tee uses symbol dma_buf_attach from namespace DMA_BUF, but does not import it. >> ERROR: modpost: module tee uses symbol dma_buf_map_attachment from namespace DMA_BUF, but does not import it. >> ERROR: modpost: module tee uses symbol dma_buf_unmap_attachment from namespace DMA_BUF, but does not import it. >> ERROR: modpost: module tee uses symbol dma_buf_detach from namespace DMA_BUF, but does not import it. >> ERROR: modpost: module tee uses symbol dma_buf_put from namespace DMA_BUF, but does not import it. -- 0-DAY CI Kernel Test Service https://01.org/lkp
