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* kernel/sys_ni.c:362:1: warning: no previous prototype for function '__arm64_sys_memfd_secret'
@ 2021-08-15  3:15 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-08-15  3:15 UTC (permalink / raw)
  To: Mike Rapoport
  Cc: clang-built-linux, kbuild-all, linux-kernel, Andrew Morton,
	Linux Memory Management List

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ba31f97d43be41ca99ab72a6131d7c226306865f
commit: 1507f51255c9ff07d75909a84e7c0d7f3c4b2f49 mm: introduce memfd_secret system call to create "secret" memory areas
date:   5 weeks ago
config: arm64-randconfig-r011-20210814 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1f7b25ea76a925aca690da28de9d78db7ca99d0c)
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=1507f51255c9ff07d75909a84e7c0d7f3c4b2f49
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 1507f51255c9ff07d75909a84e7c0d7f3c4b2f49
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:127:1: note: expanded from here
   __arm64_sys_execveat
   ^
   kernel/sys_ni.c:345:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:347:1: warning: no previous prototype for function '__arm64_sys_userfaultfd' [-Wmissing-prototypes]
   COND_SYSCALL(userfaultfd);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:128:1: note: expanded from here
   __arm64_sys_userfaultfd
   ^
   kernel/sys_ni.c:347:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:350:1: warning: no previous prototype for function '__arm64_sys_membarrier' [-Wmissing-prototypes]
   COND_SYSCALL(membarrier);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:129:1: note: expanded from here
   __arm64_sys_membarrier
   ^
   kernel/sys_ni.c:350:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:352:1: warning: no previous prototype for function '__arm64_sys_mlock2' [-Wmissing-prototypes]
   COND_SYSCALL(mlock2);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:130:1: note: expanded from here
   __arm64_sys_mlock2
   ^
   kernel/sys_ni.c:352:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:354:1: warning: no previous prototype for function '__arm64_sys_copy_file_range' [-Wmissing-prototypes]
   COND_SYSCALL(copy_file_range);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:131:1: note: expanded from here
   __arm64_sys_copy_file_range
   ^
   kernel/sys_ni.c:354:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:357:1: warning: no previous prototype for function '__arm64_sys_pkey_mprotect' [-Wmissing-prototypes]
   COND_SYSCALL(pkey_mprotect);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:132:1: note: expanded from here
   __arm64_sys_pkey_mprotect
   ^
   kernel/sys_ni.c:357:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:358:1: warning: no previous prototype for function '__arm64_sys_pkey_alloc' [-Wmissing-prototypes]
   COND_SYSCALL(pkey_alloc);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:133:1: note: expanded from here
   __arm64_sys_pkey_alloc
   ^
   kernel/sys_ni.c:358:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:359:1: warning: no previous prototype for function '__arm64_sys_pkey_free' [-Wmissing-prototypes]
   COND_SYSCALL(pkey_free);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:134:1: note: expanded from here
   __arm64_sys_pkey_free
   ^
   kernel/sys_ni.c:359:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
>> kernel/sys_ni.c:362:1: warning: no previous prototype for function '__arm64_sys_memfd_secret' [-Wmissing-prototypes]
   COND_SYSCALL(memfd_secret);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:135:1: note: expanded from here
   __arm64_sys_memfd_secret
   ^
   kernel/sys_ni.c:362:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:369:1: warning: no previous prototype for function '__arm64_sys_pciconfig_read' [-Wmissing-prototypes]
   COND_SYSCALL(pciconfig_read);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:136:1: note: expanded from here
   __arm64_sys_pciconfig_read
   ^
   kernel/sys_ni.c:369:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:370:1: warning: no previous prototype for function '__arm64_sys_pciconfig_write' [-Wmissing-prototypes]
   COND_SYSCALL(pciconfig_write);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:137:1: note: expanded from here
   __arm64_sys_pciconfig_write
   ^
   kernel/sys_ni.c:370:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:371:1: warning: no previous prototype for function '__arm64_sys_pciconfig_iobase' [-Wmissing-prototypes]
   COND_SYSCALL(pciconfig_iobase);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:138:1: note: expanded from here
   __arm64_sys_pciconfig_iobase
   ^
   kernel/sys_ni.c:371:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:374:1: warning: no previous prototype for function '__arm64_sys_socketcall' [-Wmissing-prototypes]
   COND_SYSCALL(socketcall);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:139:1: note: expanded from here
   __arm64_sys_socketcall
   ^
   kernel/sys_ni.c:374:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:381:1: warning: no previous prototype for function '__arm64_sys_vm86old' [-Wmissing-prototypes]
   COND_SYSCALL(vm86old);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:148:1: note: expanded from here
   __arm64_sys_vm86old
   ^
   kernel/sys_ni.c:381:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:382:1: warning: no previous prototype for function '__arm64_sys_modify_ldt' [-Wmissing-prototypes]
   COND_SYSCALL(modify_ldt);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:149:1: note: expanded from here
   __arm64_sys_modify_ldt
   ^
   kernel/sys_ni.c:382:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:383:1: warning: no previous prototype for function '__arm64_sys_vm86' [-Wmissing-prototypes]
   COND_SYSCALL(vm86);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:150:1: note: expanded from here
   __arm64_sys_vm86
   ^
   kernel/sys_ni.c:383:1: note: declare 'static' if the function is not intended to be used outside of this translation unit


vim +/__arm64_sys_memfd_secret +362 kernel/sys_ni.c

   360	
   361	/* memfd_secret */
 > 362	COND_SYSCALL(memfd_secret);
   363	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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