kernel/sys_ni.c:71:1: warning: no previous prototype for function '__arm64_sys_epoll_pwait2'

From: kernel test robot
Date: Sat Aug 14 2021 - 09:34:15 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dfa377c35d70c31139b1274ec49f87d380996c42
commit: b0a0c2615f6f199a656ed8549d7dce625d77aa77 epoll: wire up syscall epoll_pwait2
date: 8 months 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=b0a0c2615f6f199a656ed8549d7dce625d77aa77
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b0a0c2615f6f199a656ed8549d7dce625d77aa77
# 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@xxxxxxxxx>

All warnings (new ones prefixed by >>):

asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
^
<scratch space>:42:1: note: expanded from here
__arm64_sys_io_uring_setup
^
kernel/sys_ni.c:51:1: 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:52:1: warning: no previous prototype for function '__arm64_sys_io_uring_enter' [-Wmissing-prototypes]
COND_SYSCALL(io_uring_enter);
^
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>:43:1: note: expanded from here
__arm64_sys_io_uring_enter
^
kernel/sys_ni.c:52:1: 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:53:1: warning: no previous prototype for function '__arm64_sys_io_uring_register' [-Wmissing-prototypes]
COND_SYSCALL(io_uring_register);
^
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>:44:1: note: expanded from here
__arm64_sys_io_uring_register
^
kernel/sys_ni.c:53:1: 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:60:1: warning: no previous prototype for function '__arm64_sys_lookup_dcookie' [-Wmissing-prototypes]
COND_SYSCALL(lookup_dcookie);
^
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>:45:1: note: expanded from here
__arm64_sys_lookup_dcookie
^
kernel/sys_ni.c:60:1: 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:64:1: warning: no previous prototype for function '__arm64_sys_eventfd2' [-Wmissing-prototypes]
COND_SYSCALL(eventfd2);
^
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>:50:1: note: expanded from here
__arm64_sys_eventfd2
^
kernel/sys_ni.c:64:1: 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:67:1: warning: no previous prototype for function '__arm64_sys_epoll_create1' [-Wmissing-prototypes]
COND_SYSCALL(epoll_create1);
^
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>:51:1: note: expanded from here
__arm64_sys_epoll_create1
^
kernel/sys_ni.c:67:1: 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:68:1: warning: no previous prototype for function '__arm64_sys_epoll_ctl' [-Wmissing-prototypes]
COND_SYSCALL(epoll_ctl);
^
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>:52:1: note: expanded from here
__arm64_sys_epoll_ctl
^
kernel/sys_ni.c:68:1: 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:69:1: warning: no previous prototype for function '__arm64_sys_epoll_pwait' [-Wmissing-prototypes]
COND_SYSCALL(epoll_pwait);
^
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>:53:1: note: expanded from here
__arm64_sys_epoll_pwait
^
kernel/sys_ni.c:69:1: 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:71:1: warning: no previous prototype for function '__arm64_sys_epoll_pwait2' [-Wmissing-prototypes]
COND_SYSCALL(epoll_pwait2);
^
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>:58:1: note: expanded from here
__arm64_sys_epoll_pwait2
^
kernel/sys_ni.c:71:1: 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:77:1: warning: no previous prototype for function '__arm64_sys_inotify_init1' [-Wmissing-prototypes]
COND_SYSCALL(inotify_init1);
^
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>:63:1: note: expanded from here
__arm64_sys_inotify_init1
^
kernel/sys_ni.c:77:1: 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:78:1: warning: no previous prototype for function '__arm64_sys_inotify_add_watch' [-Wmissing-prototypes]
COND_SYSCALL(inotify_add_watch);
^
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>:64:1: note: expanded from here
__arm64_sys_inotify_add_watch
^
kernel/sys_ni.c:78:1: 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:79:1: warning: no previous prototype for function '__arm64_sys_inotify_rm_watch' [-Wmissing-prototypes]
COND_SYSCALL(inotify_rm_watch);
^
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>:65:1: note: expanded from here
__arm64_sys_inotify_rm_watch
^
kernel/sys_ni.c:79:1: 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:84:1: warning: no previous prototype for function '__arm64_sys_ioprio_set' [-Wmissing-prototypes]
COND_SYSCALL(ioprio_set);
^
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>:66:1: note: expanded from here
__arm64_sys_ioprio_set
^
kernel/sys_ni.c:84:1: 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:85:1: warning: no previous prototype for function '__arm64_sys_ioprio_get' [-Wmissing-prototypes]
COND_SYSCALL(ioprio_get);
^
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>:67:1: note: expanded from here
__arm64_sys_ioprio_get
^
kernel/sys_ni.c:85:1: 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:88:1: warning: no previous prototype for function '__arm64_sys_flock' [-Wmissing-prototypes]
COND_SYSCALL(flock);
^
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>:68:1: note: expanded from here
__arm64_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/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:101:1: warning: no previous prototype for function '__arm64_sys_quotactl' [-Wmissing-prototypes]
COND_SYSCALL(quotactl);
^
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>:69:1: note: expanded from here
__arm64_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

vim +/__arm64_sys_epoll_pwait2 +71 kernel/sys_ni.c

65
66 /* fs/eventfd.c */
67 COND_SYSCALL(epoll_create1);
68 COND_SYSCALL(epoll_ctl);
69 COND_SYSCALL(epoll_pwait);
70 COND_SYSCALL_COMPAT(epoll_pwait);
> 71 COND_SYSCALL(epoll_pwait2);
72 COND_SYSCALL_COMPAT(epoll_pwait2);
73

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

Attachment: .config.gz
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Next message: Greg Kroah-Hartman: "Re: [driver-core:driver-core-testing 28/31] WARNING: modpost: vmlinux.o(.text.unlikely+0x156c): Section mismatch in reference from the function bitmap_equal() to the variable .init.data:initcall_level_names"
Previous message: Tianyu Lan: "Re: [PATCH V3 02/13] x86/HV: Initialize shared memory boundary in the Isolation VM."
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