tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.extable head: 3083969163ff9cd715077a33b045e439b92b70bf commit: 6dbe299818d0da139c576c414c09bbf133c8a331 [21/23] x86,word-at-a-time: Remove .fixup usage config: i386-buildonly-randconfig-r002-20211109 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f3798ad5fa845771846599f3c088016e3aef800c) 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://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue x86/wip.extable git checkout 6dbe299818d0da139c576c414c09bbf133c8a331 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=i386 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 lib/strnlen_user.c:8: do_exception: __cold; ^ include/linux/compiler_attributes.h:72:56: note: expanded from macro '__cold' #define __cold __attribute__((__cold__)) ^ 1 error generated. vim +/__cold__ +98 arch/x86/include/asm/word-at-a-time.h 81 82 static inline unsigned long load_unaligned_zeropad(const void *addr) 83 { 84 unsigned long offset, data; 85 unsigned long ret; 86 87 asm_volatile_goto( 88 "1: mov %[mem], %[ret]\n" 89 90 _ASM_EXTABLE(1b, %l[do_exception]) 91 92 : [ret] "=r" (ret) 93 : [mem] "m" (*(unsigned long *)addr) 94 : : do_exception); 95 96 return ret; 97 99 offset = (unsigned long)addr & (sizeof(long) - 1); 100 addr = (void *)((unsigned long)addr & ~(sizeof(long) - 1)); 101 data = *(unsigned long *)addr; 102 ret = data >> offset * 8; 103 104 return ret; 105 } 106 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org