Hi Julian, kernel test robot noticed the following build errors: [auto build test ERROR on arnd-asm-generic/master] [also build test ERROR on soc/for-next akpm-mm/mm-nonmm-unstable arm64/for-next/core linus/master v6.11 next-20240924] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Julian-Vetter/Consolidate-__memcpy_-to-from-io-and-__memset_io-into-iomap_copy-c/20240924-202154 base: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master patch link: https://lore.kernel.org/r/20240924121432.798655-2-jvetter%40kalrayinc.com patch subject: [PATCH v5 1/5] Consolidate __memcpy_{to,from}io and __memset_io into iomap_copy.c config: arm-defconfig (https://download.01.org/0day-ci/archive/20240925/202409250806.Lq8C7QZr-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240925/202409250806.Lq8C7QZr-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409250806.Lq8C7QZr-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> lib/iomap_copy.c:89:19: error: implicit declaration of function 'IS_ALIGNED' is invalid in C99 [-Werror,-Wimplicit-function-declaration] while (count && !IS_ALIGNED((unsigned long)from, NATIVE_STORE_SIZE)) { ^ lib/iomap_copy.c:121:19: error: implicit declaration of function 'IS_ALIGNED' is invalid in C99 [-Werror,-Wimplicit-function-declaration] while (count && !IS_ALIGNED((unsigned long)to, NATIVE_STORE_SIZE)) { ^ lib/iomap_copy.c:161:19: error: implicit declaration of function 'IS_ALIGNED' is invalid in C99 [-Werror,-Wimplicit-function-declaration] while (count && !IS_ALIGNED((unsigned long)dst, NATIVE_STORE_SIZE)) { ^ 3 errors generated. vim +/IS_ALIGNED +89 lib/iomap_copy.c 84 85 86 #ifndef __memcpy_fromio 87 void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) 88 { > 89 while (count && !IS_ALIGNED((unsigned long)from, NATIVE_STORE_SIZE)) { 90 *(u8 *)to = __raw_readb(from); 91 from++; 92 to++; 93 count--; 94 } 95 96 while (count >= NATIVE_STORE_SIZE) { 97 #ifdef CONFIG_64BIT 98 put_unaligned(__raw_readq(from), (uintptr_t *)to); 99 #else 100 put_unaligned(__raw_readl(from), (uintptr_t *)to); 101 #endif 102 103 from += NATIVE_STORE_SIZE; 104 to += NATIVE_STORE_SIZE; 105 count -= NATIVE_STORE_SIZE; 106 } 107 108 while (count) { 109 *(u8 *)to = __raw_readb(from); 110 from++; 111 to++; 112 count--; 113 } 114 } 115 EXPORT_SYMBOL(__memcpy_fromio); 116 #endif 117 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
