On 2/11/21 3:26 PM, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: 291009f656e8eaebbdfd3a8d99f6b190a9ce9deb > commit: 808b49da54e640cba5c5c92dee658018a529226b alpha: turn > csum_partial_copy_from_user() into csum_and_copy_from_user() > date: 9 months ago > config: alpha-defconfig (attached as .config) > compiler: alpha-linux-gcc (GCC) 9.3.0 > 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/torvalds/linux.git/commit/?id=808b49da54e640cba5c5c92dee658018a529226b > git remote add linus > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 808b49da54e640cba5c5c92dee658018a529226b > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross > ARCH=alpha > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <[email protected]> > > All errors (new ones prefixed by >>): > >>> arch/alpha/lib/csum_partial_copy.c:328:1: error: no previous prototype for >>> 'csum_and_copy_from_user' [-Werror=missing-prototypes] > 328 | csum_and_copy_from_user(const void __user *src, void *dst, int len, > | ^~~~~~~~~~~~~~~~~~~~~~~ > arch/alpha/lib/csum_partial_copy.c:375:1: error: no previous prototype for > 'csum_partial_copy_nocheck' [-Werror=missing-prototypes] > 375 | csum_partial_copy_nocheck(const void *src, void *dst, int len, > __wsum sum) > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > cc1: all warnings being treated as errors
I can't reproduce this (wrong version of gcc) but it looks like adding #include <asm/checksum.h> to arch/alpha/lib/csum_partial_copy.c should fix the warnings. -- ~Randy
