tree: https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git for_next head: 660d06585433d4ea99580b53d355bf4f6cd90dfb commit: fa8b90070a80bb1a3042b4b25af4b3ee2c4c27e1 [15/16] quota: wire up quotactl_path config: x86_64-randconfig-r011-20210317 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8ef111222a3dd12a9175f69c3bff598c46e8bdf7) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git/commit/... git remote add ext3 https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git git fetch --no-tags ext3 for_next git checkout fa8b90070a80bb1a3042b4b25af4b3ee2c4c27e1 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): kernel/sys_ni.c:88:1: warning: no previous prototype for function '__ia32_sys_flock' [-Wmissing-prototypes] COND_SYSCALL(flock); ^ arch/x86/include/asm/syscall_wrapper.h:257:2: note: expanded from macro 'COND_SYSCALL' __IA32_COND_SYSCALL(name) ^ arch/x86/include/asm/syscall_wrapper.h:120:2: note: expanded from macro '__IA32_COND_SYSCALL' __COND_SYSCALL(ia32, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:14: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ <scratch space>:257:1: note: expanded from here __ia32_sys_flock ^ kernel/sys_ni.c:88:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/x86/include/asm/syscall_wrapper.h:257:2: note: expanded from macro 'COND_SYSCALL' __IA32_COND_SYSCALL(name) ^ arch/x86/include/asm/syscall_wrapper.h:120:2: note: expanded from macro '__IA32_COND_SYSCALL' __COND_SYSCALL(ia32, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:9: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ kernel/sys_ni.c:101:1: warning: no previous prototype for function '__x64_sys_quotactl' [-Wmissing-prototypes] COND_SYSCALL(quotactl); ^ arch/x86/include/asm/syscall_wrapper.h:256:2: note: expanded from macro 'COND_SYSCALL' __X64_COND_SYSCALL(name) \ ^ arch/x86/include/asm/syscall_wrapper.h:100:2: note: expanded from macro '__X64_COND_SYSCALL' __COND_SYSCALL(x64, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:14: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ <scratch space>:261:1: note: expanded from here __x64_sys_quotactl ^ kernel/sys_ni.c:101:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/x86/include/asm/syscall_wrapper.h:256:2: note: expanded from macro 'COND_SYSCALL' __X64_COND_SYSCALL(name) \ ^ arch/x86/include/asm/syscall_wrapper.h:100:2: note: expanded from macro '__X64_COND_SYSCALL' __COND_SYSCALL(x64, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:9: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ kernel/sys_ni.c:101:1: warning: no previous prototype for function '__ia32_sys_quotactl' [-Wmissing-prototypes] COND_SYSCALL(quotactl); ^ arch/x86/include/asm/syscall_wrapper.h:257:2: note: expanded from macro 'COND_SYSCALL' __IA32_COND_SYSCALL(name) ^ arch/x86/include/asm/syscall_wrapper.h:120:2: note: expanded from macro '__IA32_COND_SYSCALL' __COND_SYSCALL(ia32, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:14: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ <scratch space>:265:1: note: expanded from here __ia32_sys_quotactl ^ kernel/sys_ni.c:101:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/x86/include/asm/syscall_wrapper.h:257:2: note: expanded from macro 'COND_SYSCALL' __IA32_COND_SYSCALL(name) ^ arch/x86/include/asm/syscall_wrapper.h:120:2: note: expanded from macro '__IA32_COND_SYSCALL' __COND_SYSCALL(ia32, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:9: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ kernel/sys_ni.c:102:1: warning: no previous prototype for function '__x64_sys_quotactl_path' [-Wmissing-prototypes] COND_SYSCALL(quotactl_path); ^ arch/x86/include/asm/syscall_wrapper.h:256:2: note: expanded from macro 'COND_SYSCALL' __X64_COND_SYSCALL(name) \ ^ arch/x86/include/asm/syscall_wrapper.h:100:2: note: expanded from macro '__X64_COND_SYSCALL' __COND_SYSCALL(x64, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:14: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ <scratch space>:269:1: note: expanded from here __x64_sys_quotactl_path ^ kernel/sys_ni.c:102:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/x86/include/asm/syscall_wrapper.h:256:2: note: expanded from macro 'COND_SYSCALL' __X64_COND_SYSCALL(name) \ ^ arch/x86/include/asm/syscall_wrapper.h:100:2: note: expanded from macro '__X64_COND_SYSCALL' __COND_SYSCALL(x64, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:9: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ COND_SYSCALL(quotactl_path); ^ arch/x86/include/asm/syscall_wrapper.h:257:2: note: expanded from macro 'COND_SYSCALL' __IA32_COND_SYSCALL(name) ^ arch/x86/include/asm/syscall_wrapper.h:120:2: note: expanded from macro '__IA32_COND_SYSCALL' __COND_SYSCALL(ia32, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:14: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ <scratch space>:273:1: note: expanded from here __ia32_sys_quotactl_path ^ kernel/sys_ni.c:102:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/x86/include/asm/syscall_wrapper.h:257:2: note: expanded from macro 'COND_SYSCALL' __IA32_COND_SYSCALL(name) ^ arch/x86/include/asm/syscall_wrapper.h:120:2: note: expanded from macro '__IA32_COND_SYSCALL' __COND_SYSCALL(ia32, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:9: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ kernel/sys_ni.c:113:1: warning: no previous prototype for function '__x64_sys_signalfd4' [-Wmissing-prototypes] COND_SYSCALL(signalfd4); ^ arch/x86/include/asm/syscall_wrapper.h:256:2: note: expanded from macro 'COND_SYSCALL' __X64_COND_SYSCALL(name) \ ^ arch/x86/include/asm/syscall_wrapper.h:100:2: note: expanded from macro '__X64_COND_SYSCALL' __COND_SYSCALL(x64, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:14: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ <scratch space>:2:1: note: expanded from here __x64_sys_signalfd4 ^ kernel/sys_ni.c:113:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/x86/include/asm/syscall_wrapper.h:256:2: note: expanded from macro 'COND_SYSCALL' __X64_COND_SYSCALL(name) \ ^ arch/x86/include/asm/syscall_wrapper.h:100:2: note: expanded from macro '__X64_COND_SYSCALL' __COND_SYSCALL(x64, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:9: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ kernel/sys_ni.c:113:1: warning: no previous prototype for function '__ia32_sys_signalfd4' [-Wmissing-prototypes] COND_SYSCALL(signalfd4); ^ arch/x86/include/asm/syscall_wrapper.h:257:2: note: expanded from macro 'COND_SYSCALL' __IA32_COND_SYSCALL(name) ^ arch/x86/include/asm/syscall_wrapper.h:120:2: note: expanded from macro '__IA32_COND_SYSCALL' __COND_SYSCALL(ia32, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:14: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ <scratch space>:6:1: note: expanded from here __ia32_sys_signalfd4 ^ kernel/sys_ni.c:113:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/x86/include/asm/syscall_wrapper.h:257:2: note: expanded from macro 'COND_SYSCALL' __IA32_COND_SYSCALL(name) ^ arch/x86/include/asm/syscall_wrapper.h:120:2: note: expanded from macro '__IA32_COND_SYSCALL' __COND_SYSCALL(ia32, sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:9: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ kernel/sys_ni.c:114:1: warning: no previous prototype for function '__ia32_compat_sys_signalfd4' [-Wmissing-prototypes] COND_SYSCALL_COMPAT(signalfd4); ^ arch/x86/include/asm/syscall_wrapper.h:218:2: note: expanded from macro 'COND_SYSCALL_COMPAT' __IA32_COMPAT_COND_SYSCALL(name) \ ^ arch/x86/include/asm/syscall_wrapper.h:148:2: note: expanded from macro '__IA32_COMPAT_COND_SYSCALL' __COND_SYSCALL(ia32, compat_sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:14: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ <scratch space>:10:1: note: expanded from here __ia32_compat_sys_signalfd4 ^ kernel/sys_ni.c:114:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/x86/include/asm/syscall_wrapper.h:218:2: note: expanded from macro 'COND_SYSCALL_COMPAT' __IA32_COMPAT_COND_SYSCALL(name) \ ^ arch/x86/include/asm/syscall_wrapper.h:148:2: note: expanded from macro '__IA32_COMPAT_COND_SYSCALL' __COND_SYSCALL(ia32, compat_sys_##name) ^ arch/x86/include/asm/syscall_wrapper.h:83:9: note: expanded from macro '__COND_SYSCALL' __weak long __##abi##_##name(const struct pt_regs *__unused) \ ^ kernel/sys_ni.c:114:1: warning: no previous prototype for function '__x32_compat_sys_signalfd4' [-Wmissing-prototypes] vim +/__ia32_sys_quotactl_path +102 kernel/sys_ni.c 99 100 /* fs/quota.c */ 101 COND_SYSCALL(quotactl); 103 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org