tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 71c5f03154ac1cb27423b984743ccc2f5d11d14d commit: a927bd6ba952d13c52b8b385030943032f659a3e mm: fix phys_to_target_node() and memory_add_physaddr_to_nid() exports date: 5 weeks ago config: powerpc64-randconfig-r001-20201224 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a927bd6ba952d13c52b8b385030943032f659a3e git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a927bd6ba952d13c52b8b385030943032f659a3e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> arch/powerpc/mm/book3s64/pgtable.c:174:15: error: no previous prototype for function 'create_section_mapping' [-Werror,-Wmissing-prototypes] int __meminit create_section_mapping(unsigned long start, unsigned long end, ^ arch/powerpc/mm/book3s64/pgtable.c:174:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __meminit create_section_mapping(unsigned long start, unsigned long end, ^ static arch/powerpc/mm/book3s64/pgtable.c:461:5: error: no previous prototype for function 'pmd_move_must_withdraw' [-Werror,-Wmissing-prototypes] int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, ^ arch/powerpc/mm/book3s64/pgtable.c:461:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, ^ static 2 errors generated. vim +/create_section_mapping +174 arch/powerpc/mm/book3s64/pgtable.c 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 172 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 173 #ifdef CONFIG_MEMORY_HOTPLUG 4e00c5affdd4b04 arch/powerpc/mm/book3s64/pgtable.c Logan Gunthorpe 2020-04-10 @174 int __meminit create_section_mapping(unsigned long start, unsigned long end, 4e00c5affdd4b04 arch/powerpc/mm/book3s64/pgtable.c Logan Gunthorpe 2020-04-10 175 int nid, pgprot_t prot) 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 176 { 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 177 if (radix_enabled()) 4e00c5affdd4b04 arch/powerpc/mm/book3s64/pgtable.c Logan Gunthorpe 2020-04-10 178 return radix__create_section_mapping(start, end, nid, prot); 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 179 4e00c5affdd4b04 arch/powerpc/mm/book3s64/pgtable.c Logan Gunthorpe 2020-04-10 180 return hash__create_section_mapping(start, end, nid, prot); 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 181 } 32b53c012e0bfe2 arch/powerpc/mm/pgtable-book3s64.c Reza Arbab 2017-01-03 182 :::::: The code at line 174 was first introduced by commit :::::: 4e00c5affdd4b04e6392001716333971932f3d0c powerpc/mm: thread pgprot_t through create_section_mapping() :::::: TO: Logan Gunthorpe <logang@xxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
