tree: https://github.com/jimc/linux.git dd-drm-next head: 35b983deeffc9a69ebb7f36c98583492baaff18f commit: 13595be14ee22859c794542d847670ab9bf69897 [12/16] drm_print: add choice to use dynamic debug in drm-debug config: riscv-randconfig-c006-20211019 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d245f2e8597bfb52c34810a328d42b990e4af1a4) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/jimc/linux/commit/13595be14ee22859c794542d847670ab9bf6... git remote add jimc https://github.com/jimc/linux.git git fetch --no-tags jimc dd-drm-next git checkout 13595be14ee22859c794542d847670ab9bf69897 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash 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 >>): DEFINE_DYNAMIC_DEBUG_CATEGORIES(debug_dc, __debug_dc, ^ include/linux/dynamic_debug.h:277:2: note: expanded from macro 'DEFINE_DYNAMIC_DEBUG_CATEGORIES' BUILD_BUG_ON_MSG(1, "you need -DDYNAMIC_DEBUG_MODULE in compile") ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^ include/linux/compiler_types.h:322:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:310:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:300:2: note: expanded from macro '__compiletime_assert' do { \ ^ include/linux/dynamic_debug.h:277:2: note: expanded from macro 'DEFINE_DYNAMIC_DEBUG_CATEGORIES' BUILD_BUG_ON_MSG(1, "you need -DDYNAMIC_DEBUG_MODULE in compile") ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^ include/linux/compiler_types.h:322:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:310:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:304:4: note: expanded from macro '__compiletime_assert' } while (0) ^ 2 errors generated. vim +65 drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_debug.c 12545e4a8c962b Jim Cromie 2021-07-30 47 12545e4a8c962b Jim Cromie 2021-07-30 48 #define DC_DYNDBG_BITMAP_DESC(name) \ 12545e4a8c962b Jim Cromie 2021-07-30 49 "Control pr_debugs via /sys/module/amdgpu/parameters/" #name \ 12545e4a8c962b Jim Cromie 2021-07-30 50 ", where each bit controls a debug category.\n" \ 12545e4a8c962b Jim Cromie 2021-07-30 51 help_(0, "[SURFACE]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 52 help_(1, "[CURSOR]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 53 help_(2, "[PFLIP]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 54 help_(3, "[VBLANK]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 55 help_(4, "[HW_LINK_TRAINING]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 56 help_(5, "[HW_AUDIO]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 57 help_(6, "[SCALER]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 58 help_(7, "[BIOS]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 59 help_(8, "[BANDWIDTH_CALCS]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 60 help_(9, "[DML]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 61 help_(10, "[IF_TRACE]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 62 help_(11, "[GAMMA]:") \ 12545e4a8c962b Jim Cromie 2021-07-30 63 help_(12, "[SMU_MSG]:") 5d4b05ddd826d8 Bhawanpreet Lakha 2018-03-15 64 12545e4a8c962b Jim Cromie 2021-07-30 @65 DEFINE_DYNAMIC_DEBUG_CATEGORIES(debug_dc, __debug_dc, 12545e4a8c962b Jim Cromie 2021-07-30 66 DC_DYNDBG_BITMAP_DESC(debug_dc), 12545e4a8c962b Jim Cromie 2021-07-30 67 [0] = { "[CURSOR]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 68 [1] = { "[PFLIP]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 69 [2] = { "[VBLANK]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 70 [3] = { "[HW_LINK_TRAINING]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 71 [4] = { "[HW_AUDIO]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 72 [5] = { "[SCALER]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 73 [6] = { "[BIOS]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 74 [7] = { "[BANDWIDTH_CALCS]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 75 [8] = { "[DML]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 76 [9] = { "[IF_TRACE]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 77 [10] = { "[GAMMA]:" }, 12545e4a8c962b Jim Cromie 2021-07-30 78 [11] = { "[SMU_MSG]:" }); 12545e4a8c962b Jim Cromie 2021-07-30 79 :::::: The code at line 65 was first introduced by commit :::::: 12545e4a8c962b8c534fd0792f972cde3b91da0f amdgpu: use dyndbg.CATEGORIES to control existing pr_dbgs :::::: TO: Jim Cromie <jim.cromie(a)gmail.com&gt; :::::: CC: Jim Cromie <jim.cromie(a)gmail.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org