tree: https://github.com/c-sky/csky-linux riscv_compat_v6_svpbmt-v6 head: 54acb36c958fc990cc59889f79c8ddca7386c295 commit: ac589e74083c1738ab2c8db584e11aac71c26858 [20/35] asm-generic: compat: Cleanup duplicate definitions config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220211/202202110304.nUwbKm0j-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project aa845d7a245d85c441d0bd44fc7b6c3be8f3de8d) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/c-sky/csky-linux/commit/ac589e74083c1738ab2c8db584e11a... git remote add csky-linux https://github.com/c-sky/csky-linux git fetch --no-tags csky-linux riscv_compat_v6_svpbmt-v6 git checkout ac589e74083c1738ab2c8db584e11aac71c26858 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare 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 >>): In file included from arch/arm64/kernel/asm-offsets.c:10: In file included from include/linux/arm_sdei.h:8: In file included from include/acpi/ghes.h:5: In file included from include/acpi/apei.h:9: In file included from include/linux/acpi.h:13: In file included from include/linux/irqdomain.h:35: In file included from include/linux/of.h:17: In file included from include/linux/kobject.h:20: In file included from include/linux/sysfs.h:22: In file included from include/linux/stat.h:6: In file included from arch/arm64/include/asm/stat.h:13: struct compat_statfs { ^ include/asm-generic/compat.h:80:8: note: previous definition is here struct compat_statfs { ^ 1 error generated. make[2]: *** [scripts/Makefile.build:121: arch/arm64/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1191: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:219: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/compat_statfs +69 arch/arm64/include/asm/compat.h 3dd681d944f6d8 Will Deacon 2012-03-05 68 3dd681d944f6d8 Will Deacon 2012-03-05 @69 struct compat_statfs { 3dd681d944f6d8 Will Deacon 2012-03-05 70 int f_type; 3dd681d944f6d8 Will Deacon 2012-03-05 71 int f_bsize; 3dd681d944f6d8 Will Deacon 2012-03-05 72 int f_blocks; 3dd681d944f6d8 Will Deacon 2012-03-05 73 int f_bfree; 3dd681d944f6d8 Will Deacon 2012-03-05 74 int f_bavail; 3dd681d944f6d8 Will Deacon 2012-03-05 75 int f_files; 3dd681d944f6d8 Will Deacon 2012-03-05 76 int f_ffree; 3dd681d944f6d8 Will Deacon 2012-03-05 77 compat_fsid_t f_fsid; 3dd681d944f6d8 Will Deacon 2012-03-05 78 int f_namelen; /* SunOS ignores this field. */ 3dd681d944f6d8 Will Deacon 2012-03-05 79 int f_frsize; 3dd681d944f6d8 Will Deacon 2012-03-05 80 int f_flags; 3dd681d944f6d8 Will Deacon 2012-03-05 81 int f_spare[4]; 3dd681d944f6d8 Will Deacon 2012-03-05 82 }; 3dd681d944f6d8 Will Deacon 2012-03-05 83 :::::: The code at line 69 was first introduced by commit :::::: 3dd681d944f6d861f12ee03aff17a14342963330 arm64: 32-bit (compat) applications support :::::: TO: Will Deacon <will.deacon(a)arm.com&gt; :::::: CC: Catalin Marinas <catalin.marinas(a)arm.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org