Hi Mikko, Thank you for the patch! Yet something to improve: [auto build test ERROR on tegra-drm/drm/tegra/for-next] [also build test ERROR on tegra/for-next linus/master v5.9-rc8 next-20201007] [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] url: https://github.com/0day-ci/linux/commits/Mikko-Perttunen/Host1x-TegraDRM-UAPI/20201008-034403 base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next config: arm64-randconfig-r004-20201008 (attached as .config) compiler: aarch64-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 # https://github.com/0day-ci/linux/commit/6a3b3d79ce4488695cc0745edd19015fc2220d97 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mikko-Perttunen/Host1x-TegraDRM-UAPI/20201008-034403 git checkout 6a3b3d79ce4488695cc0745edd19015fc2220d97 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/tegra/uapi/uapi.c:12: >> drivers/gpu/drm/tegra/uapi/../drm.h:84:1: error: attempted to randomize userland API struct tegra_drm_client_ops 84 | }; | ^ >> drivers/gpu/drm/tegra/uapi/uapi.c:62:5: warning: no previous prototype for 'close_channel_ctx' [-Wmissing-prototypes] 62 | int close_channel_ctx(int id, void *p, void *data) | ^~~~~~~~~~~~~~~~~ -- In file included from drivers/gpu/drm/tegra/uapi/submit.c:18: >> drivers/gpu/drm/tegra/uapi/../drm.h:84:1: error: attempted to randomize userland API struct tegra_drm_client_ops 84 | }; | ^ vim +84 drivers/gpu/drm/tegra/uapi/../drm.h d43f81cbaf4353 drivers/gpu/host1x/drm/drm.h Terje Bergstrom 2013-03-22 74 53fa7f7204c97d drivers/gpu/host1x/drm/drm.h Thierry Reding 2013-09-24 75 struct tegra_drm_client_ops { 53fa7f7204c97d drivers/gpu/host1x/drm/drm.h Thierry Reding 2013-09-24 76 int (*open_channel)(struct tegra_drm_client *client, c88c363072c6dc drivers/gpu/host1x/drm/drm.h Thierry Reding 2013-09-26 77 struct tegra_drm_context *context); c88c363072c6dc drivers/gpu/host1x/drm/drm.h Thierry Reding 2013-09-26 78 void (*close_channel)(struct tegra_drm_context *context); c40f0f1afcb1dc drivers/gpu/drm/tegra/drm.h Thierry Reding 2013-10-10 79 int (*is_addr_reg)(struct device *dev, u32 class, u32 offset); 0f563a4bf66e51 drivers/gpu/drm/tegra/drm.h Dmitry Osipenko 2017-06-15 80 int (*is_valid_class)(u32 class); c88c363072c6dc drivers/gpu/host1x/drm/drm.h Thierry Reding 2013-09-26 81 int (*submit)(struct tegra_drm_context *context, d43f81cbaf4353 drivers/gpu/host1x/drm/drm.h Terje Bergstrom 2013-03-22 82 struct drm_tegra_submit *args, struct drm_device *drm, d43f81cbaf4353 drivers/gpu/host1x/drm/drm.h Terje Bergstrom 2013-03-22 83 struct drm_file *file); d43f81cbaf4353 drivers/gpu/host1x/drm/drm.h Terje Bergstrom 2013-03-22 @84 }; d43f81cbaf4353 drivers/gpu/host1x/drm/drm.h Terje Bergstrom 2013-03-22 85 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org