Hi Daniel, I love your patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip v5.13-rc3 next-20210526] [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/Daniel-Vetter/drm-i915-Use-generic_access_phys/20210526-231425 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-r025-20210526 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 99155e913e9bad5f7f8a247f8bb3a3ff3da74af1) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/80157be9e8542ce9a835e6f159408b951590b578 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Daniel-Vetter/drm-i915-Use-generic_access_phys/20210526-231425 git checkout 80157be9e8542ce9a835e6f159408b951590b578 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/gem/i915_gem_mman.c:755:2: error: member reference base type 'int (struct vm_area_struct *, unsigned long, void *, int, int)' is not a structure or union .open = vm_open, ^~~~~ drivers/gpu/drm/i915/gem/i915_gem_mman.c:764:2: error: member reference base type 'int (struct vm_area_struct *, unsigned long, void *, int, int)' is not a structure or union .open = vm_open, ^~~~~ 2 errors generated. vim +755 drivers/gpu/drm/i915/gem/i915_gem_mman.c cc662126b4134e2 Abdiel Janulgue 2019-12-04 749 cc662126b4134e2 Abdiel Janulgue 2019-12-04 750 static const struct vm_operations_struct vm_ops_gtt = { cc662126b4134e2 Abdiel Janulgue 2019-12-04 751 .fault = vm_fault_gtt, 80157be9e8542ce Daniel Vetter 2021-05-26 752 #ifdef CONFIG_HAVE_IOREMAP_PROT 80157be9e8542ce Daniel Vetter 2021-05-26 753 .access = generic_access_phys 80157be9e8542ce Daniel Vetter 2021-05-26 754 #endif cc662126b4134e2 Abdiel Janulgue 2019-12-04 @755 .open = vm_open, cc662126b4134e2 Abdiel Janulgue 2019-12-04 756 .close = vm_close, cc662126b4134e2 Abdiel Janulgue 2019-12-04 757 }; cc662126b4134e2 Abdiel Janulgue 2019-12-04 758 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org