From: kernel test robot <lkp@intel.com>
To: Mike Rapoport <rppt@linux.ibm.com>
Cc: kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [linux-next:master 14043/14098] arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_memfd_secret'
Date: Fri, 2 Jul 2021 16:06:44 +0800 [thread overview]
Message-ID: <202107021633.Jpg5O1Qt-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 17550 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: fb0ca446157a86b75502c1636b0d81e642fe6bf1
commit: 0f01c4e64cbdedb84c5c14641e965f791d21c13a [14043/14098] mm: introduce memfd_secret system call to create "secret" memory areas
config: arm64-buildonly-randconfig-r002-20210701 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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/next/linux-next.git/commit/?id=0f01c4e64cbdedb84c5c14641e965f791d21c13a
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 0f01c4e64cbdedb84c5c14641e965f791d21c13a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 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 >>):
| ^~~~~~~~~~~~
kernel/sys_ni.c:321:1: note: in expansion of macro 'COND_SYSCALL'
321 | COND_SYSCALL(open_by_handle_at);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_sendmmsg' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:324:1: note: in expansion of macro 'COND_SYSCALL'
324 | COND_SYSCALL(sendmmsg);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_process_vm_readv' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:326:1: note: in expansion of macro 'COND_SYSCALL'
326 | COND_SYSCALL(process_vm_readv);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_process_vm_writev' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:328:1: note: in expansion of macro 'COND_SYSCALL'
328 | COND_SYSCALL(process_vm_writev);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_kcmp' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:332:1: note: in expansion of macro 'COND_SYSCALL'
332 | COND_SYSCALL(kcmp);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_finit_module' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:334:1: note: in expansion of macro 'COND_SYSCALL'
334 | COND_SYSCALL(finit_module);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_seccomp' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:337:1: note: in expansion of macro 'COND_SYSCALL'
337 | COND_SYSCALL(seccomp);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_memfd_create' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:339:1: note: in expansion of macro 'COND_SYSCALL'
339 | COND_SYSCALL(memfd_create);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_bpf' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:342:1: note: in expansion of macro 'COND_SYSCALL'
342 | COND_SYSCALL(bpf);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_execveat' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:345:1: note: in expansion of macro 'COND_SYSCALL'
345 | COND_SYSCALL(execveat);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_userfaultfd' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:347:1: note: in expansion of macro 'COND_SYSCALL'
347 | COND_SYSCALL(userfaultfd);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_membarrier' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:350:1: note: in expansion of macro 'COND_SYSCALL'
350 | COND_SYSCALL(membarrier);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_mlock2' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:352:1: note: in expansion of macro 'COND_SYSCALL'
352 | COND_SYSCALL(mlock2);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_copy_file_range' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:354:1: note: in expansion of macro 'COND_SYSCALL'
354 | COND_SYSCALL(copy_file_range);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pkey_mprotect' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:357:1: note: in expansion of macro 'COND_SYSCALL'
357 | COND_SYSCALL(pkey_mprotect);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pkey_alloc' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:358:1: note: in expansion of macro 'COND_SYSCALL'
358 | COND_SYSCALL(pkey_alloc);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pkey_free' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:359:1: note: in expansion of macro 'COND_SYSCALL'
359 | COND_SYSCALL(pkey_free);
| ^~~~~~~~~~~~
>> arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_memfd_secret' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:362:1: note: in expansion of macro 'COND_SYSCALL'
362 | COND_SYSCALL(memfd_secret);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pciconfig_read' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:369:1: note: in expansion of macro 'COND_SYSCALL'
369 | COND_SYSCALL(pciconfig_read);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pciconfig_write' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:370:1: note: in expansion of macro 'COND_SYSCALL'
370 | COND_SYSCALL(pciconfig_write);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_pciconfig_iobase' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:371:1: note: in expansion of macro 'COND_SYSCALL'
371 | COND_SYSCALL(pciconfig_iobase);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_socketcall' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:374:1: note: in expansion of macro 'COND_SYSCALL'
374 | COND_SYSCALL(socketcall);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_vm86old' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:381:1: note: in expansion of macro 'COND_SYSCALL'
381 | COND_SYSCALL(vm86old);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_modify_ldt' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:382:1: note: in expansion of macro 'COND_SYSCALL'
382 | COND_SYSCALL(modify_ldt);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_vm86' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:383:1: note: in expansion of macro 'COND_SYSCALL'
383 | COND_SYSCALL(vm86);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_kexec_file_load' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:384:1: note: in expansion of macro 'COND_SYSCALL'
384 | COND_SYSCALL(kexec_file_load);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_s390_pci_mmio_read' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:387:1: note: in expansion of macro 'COND_SYSCALL'
387 | COND_SYSCALL(s390_pci_mmio_read);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_s390_pci_mmio_write' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:388:1: note: in expansion of macro 'COND_SYSCALL'
388 | COND_SYSCALL(s390_pci_mmio_write);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_s390_ipc' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:389:1: note: in expansion of macro 'COND_SYSCALL'
389 | COND_SYSCALL(s390_ipc);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_rtas' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:393:1: note: in expansion of macro 'COND_SYSCALL'
393 | COND_SYSCALL(rtas);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_spu_run' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:394:1: note: in expansion of macro 'COND_SYSCALL'
394 | COND_SYSCALL(spu_run);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_spu_create' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:395:1: note: in expansion of macro 'COND_SYSCALL'
395 | COND_SYSCALL(spu_create);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_subpage_prot' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:396:1: note: in expansion of macro 'COND_SYSCALL'
396 | COND_SYSCALL(subpage_prot);
| ^~~~~~~~~~~~
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_epoll_create' [-Wmissing-prototypes]
76 | asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
| ^~~~~~~~~~~~
kernel/sys_ni.c:405:1: note: in expansion of macro 'COND_SYSCALL'
405 | COND_SYSCALL(epoll_create);
vim +/__arm64_sys_memfd_secret +76 arch/arm64/include/asm/syscall_wrapper.h
4378a7d4be30ec6 Mark Rutland 2018-07-11 50
4378a7d4be30ec6 Mark Rutland 2018-07-11 51 #define __SYSCALL_DEFINEx(x, name, ...) \
4378a7d4be30ec6 Mark Rutland 2018-07-11 52 asmlinkage long __arm64_sys##name(const struct pt_regs *regs); \
4378a7d4be30ec6 Mark Rutland 2018-07-11 53 ALLOW_ERROR_INJECTION(__arm64_sys##name, ERRNO); \
4378a7d4be30ec6 Mark Rutland 2018-07-11 54 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
4378a7d4be30ec6 Mark Rutland 2018-07-11 55 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
4378a7d4be30ec6 Mark Rutland 2018-07-11 56 asmlinkage long __arm64_sys##name(const struct pt_regs *regs) \
4378a7d4be30ec6 Mark Rutland 2018-07-11 57 { \
4378a7d4be30ec6 Mark Rutland 2018-07-11 58 return __se_sys##name(SC_ARM64_REGS_TO_ARGS(x,__VA_ARGS__)); \
4378a7d4be30ec6 Mark Rutland 2018-07-11 59 } \
4378a7d4be30ec6 Mark Rutland 2018-07-11 60 static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
4378a7d4be30ec6 Mark Rutland 2018-07-11 61 { \
4378a7d4be30ec6 Mark Rutland 2018-07-11 62 long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \
4378a7d4be30ec6 Mark Rutland 2018-07-11 63 __MAP(x,__SC_TEST,__VA_ARGS__); \
4378a7d4be30ec6 Mark Rutland 2018-07-11 64 __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
4378a7d4be30ec6 Mark Rutland 2018-07-11 65 return ret; \
4378a7d4be30ec6 Mark Rutland 2018-07-11 66 } \
4378a7d4be30ec6 Mark Rutland 2018-07-11 67 static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
4378a7d4be30ec6 Mark Rutland 2018-07-11 68
4378a7d4be30ec6 Mark Rutland 2018-07-11 69 #define SYSCALL_DEFINE0(sname) \
4378a7d4be30ec6 Mark Rutland 2018-07-11 70 SYSCALL_METADATA(_##sname, 0); \
0e358bd7b7ebd27 Sami Tolvanen 2019-05-24 71 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused); \
4378a7d4be30ec6 Mark Rutland 2018-07-11 72 ALLOW_ERROR_INJECTION(__arm64_sys_##sname, ERRNO); \
0e358bd7b7ebd27 Sami Tolvanen 2019-05-24 73 asmlinkage long __arm64_sys_##sname(const struct pt_regs *__unused)
4378a7d4be30ec6 Mark Rutland 2018-07-11 74
c27eccfe4d6c748 Sami Tolvanen 2019-09-10 75 #define COND_SYSCALL(name) \
c27eccfe4d6c748 Sami Tolvanen 2019-09-10 @76 asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \
c27eccfe4d6c748 Sami Tolvanen 2019-09-10 77 { \
c27eccfe4d6c748 Sami Tolvanen 2019-09-10 78 return sys_ni_syscall(); \
c27eccfe4d6c748 Sami Tolvanen 2019-09-10 79 }
4378a7d4be30ec6 Mark Rutland 2018-07-11 80
:::::: The code at line 76 was first introduced by commit
:::::: c27eccfe4d6c7481ce99f1c433ca043ab464080a arm64: fix function types in COND_SYSCALL
:::::: TO: Sami Tolvanen <samitolvanen@google.com>
:::::: CC: Will Deacon <will@kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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