tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 1e1b28b936aed946122b4e0991e7144fdbbfd77e commit: 3fee229a8eb936b96933c6b2cd02d2e87a4cc997 [11556/12195] riscv/mm: enable ARCH_SUPPORTS_PAGE_TABLE_CHECK config: riscv-randconfig-r033-20220516 (https://download.01.org/0day-ci/archive/20220516/202205162125.ZhvoOFZf-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 853fa8ee225edf2d0de94b0dcbd31bea916e825e) 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3fee229a8eb936b96933c6b2cd02d2e87a4cc997 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 3fee229a8eb936b96933c6b2cd02d2e87a4cc997 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/mm.h:29: In file included from include/linux/pgtable.h:6: >> arch/riscv/include/asm/pgtable.h:662:9: error: call to undeclared function 'pud_leaf'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] return pud_leaf(pud) && pud_user(pud); ^ arch/riscv/include/asm/pgtable.h:662:9: note: did you mean 'pmd_leaf'? arch/riscv/include/asm/pgtable.h:239:19: note: 'pmd_leaf' declared here static inline int pmd_leaf(pmd_t pmd) ^ arch/riscv/include/asm/pgtable.h:238:18: note: expanded from macro 'pmd_leaf' #define pmd_leaf pmd_leaf ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/mm.h:700: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds] return (set->sig[3] | set->sig[2] | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/mm.h:700: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds] return (set->sig[3] | set->sig[2] | ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/mm.h:700: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:113:11: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds] return (set1->sig[3] == set2->sig[3]) && ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/mm.h:700: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:113:27: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds] return (set1->sig[3] == set2->sig[3]) && ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/mm.h:700: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:5: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds] (set1->sig[2] == set2->sig[2]) && ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/mm.h:700: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:21: warning: array index 2 is past the end of the array (which contains 2 elements) [-Warray-bounds] (set1->sig[2] == set2->sig[2]) && ^ ~ include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here unsigned long sig[_NSIG_WORDS]; ^ In file included from arch/riscv/kernel/asm-offsets.c:10: In file included from include/linux/mm.h:700: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:156:1: warning: array index 3 is past the end of the array (which contains 2 elements) [-Warray-bounds] _SIG_SET_BINOP(sigorsets, _sig_or) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/signal.h:137:8: note: expanded from macro '_SIG_SET_BINOP' a3 = a->sig[3]; a2 = a->sig[2]; \ ^ ~ vim +/pud_leaf +662 arch/riscv/include/asm/pgtable.h 659 660 static inline bool pud_user_accessible_page(pud_t pud) 661 { > 662 return pud_leaf(pud) && pud_user(pud); 663 } 664 #endif 665 -- 0-DAY CI Kernel Test Service https://01.org/lkp