tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 625acffd7ae2c52898d249e6c5c39f348db0d8df commit: d0a3ac549f389c1511a4df0d7638536305205d20 ubsan: enable for all*config builds date: 6 months ago config: powerpc-randconfig-r012-20210627 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 557b101ce714e39438ba1d39c4c50b03e12fcb96) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d0a3ac549f389c1511a4df0d7638536305205d20 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d0a3ac549f389c1511a4df0d7638536305205d20 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calc_auto.c:26: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:35: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:29: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:30: In file included from include/linux/kgdb.h:18: In file included from include/linux/atomic.h:7: In file included from arch/powerpc/include/asm/atomic.h:11: In file included from arch/powerpc/include/asm/cmpxchg.h:8: In file included from include/linux/bug.h:5: In file included from arch/powerpc/include/asm/bug.h:109: In file included from include/asm-generic/bug.h:20: In file included from include/linux/kernel.h:11: In file included from include/linux/bitops.h:32: In file included from arch/powerpc/include/asm/bitops.h:62: arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined] #define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") ^ <built-in>:309:9: note: previous definition is here #define __lwsync __builtin_ppc_lwsync ^ >> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calc_auto.c:121:6: warning: stack frame size (3296) exceeds limit (2048) in function 'mode_support_and_system_configuration' [-Wframe-larger-than] void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v) ^ 2 warnings generated. -- In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn30/display_mode_vba_30.c:27: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc.h:29: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:32: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:30: In file included from include/linux/kgdb.h:18: In file included from include/linux/atomic.h:7: In file included from arch/powerpc/include/asm/atomic.h:11: In file included from arch/powerpc/include/asm/cmpxchg.h:8: In file included from include/linux/bug.h:5: In file included from arch/powerpc/include/asm/bug.h:109: In file included from include/asm-generic/bug.h:20: In file included from include/linux/kernel.h:11: In file included from include/linux/bitops.h:32: In file included from arch/powerpc/include/asm/bitops.h:62: arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined] #define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") ^ <built-in>:309:9: note: previous definition is here #define __lwsync __builtin_ppc_lwsync ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn30/display_mode_vba_30.c:3052:10: warning: variable 'MaxUsedBW' set but not used [-Wunused-but-set-variable] double MaxUsedBW = 0; ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn30/display_mode_vba_30.c:1917:13: warning: stack frame size (4416) exceeds limit (2048) in function 'DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation' [-Wframe-larger-than] static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerformanceCalculation( ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn30/display_mode_vba_30.c:3641:6: warning: stack frame size (4816) exceeds limit (2048) in function 'dml30_ModeSupportAndSystemConfigurationFull' [-Wframe-larger-than] void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_lib) ^ >> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn30/display_mode_vba_30.c:6679:13: warning: stack frame size (2112) exceeds limit (2048) in function 'UseMinimumDCFCLK' [-Wframe-larger-than] static void UseMinimumDCFCLK( ^ 5 warnings generated. vim +/mode_support_and_system_configuration +121 drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calc_auto.c 5634fb6078dd9b Dmytro Laktyushkin 2017-06-15 120 74c49c7ac14f3a Harry Wentland 2017-05-08 @121 void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v) :::::: The code at line 121 was first introduced by commit :::::: 74c49c7ac14f3a7cc500be959709f3473a6a49e7 drm/amdgpu/display: Add calcs code for DCN :::::: TO: Harry Wentland <harry.wentland@xxxxxxx> :::::: CC: Alex Deucher <alexander.deucher@xxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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