Hi Matteo, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linux/master] [also build test WARNING on linus/master v5.13-rc6 next-20210617] [cannot apply to atish-riscv-linux/topo_v3] [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] url: https://github.com/0day-ci/linux/commits/Matteo-Croce/riscv-optimized-mem-functions/20210617-232934 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git dd860052c99b1e088352bdd4fb7aef46f8d2ef47 config: riscv-randconfig-r031-20210618 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) 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/0day-ci/linux/commit/c35a3474b6782645ff0695db1f30be0e8123c131 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matteo-Croce/riscv-optimized-mem-functions/20210617-232934 git checkout c35a3474b6782645ff0695db1f30be0e8123c131 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/riscv/lib/string.c:90:57: warning: attribute declaration must precede definition [-Wignored-attributes] void *memcpy(void *dest, const void *src, size_t count) __weak __alias(__memcpy); ^ include/linux/compiler_attributes.h:291:56: note: expanded from macro '__weak' #define __weak __attribute__((__weak__)) ^ include/linux/fortify-string.h:178:24: note: previous definition is here __FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t size) ^ 1 warning generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for LOCKDEP Depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && (FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86) Selected by - PROVE_LOCKING && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT - LOCK_STAT && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT - DEBUG_LOCK_ALLOC && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT vim +90 arch/riscv/lib/string.c 89 > 90 void *memcpy(void *dest, const void *src, size_t count) __weak __alias(__memcpy); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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