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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [ak:lto-5.12-2-wip 19/47] kernel/time/posix-stubs.c:38:44: error: conflicting types for 'compat_sys_timer_create'
Date: Tue, 20 Apr 2021 16:41:14 +0800	[thread overview]
Message-ID: <202104201610.bUZXxF5z-lkp@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git lto-5.12-2-wip
head:   465e3a9380fff2a677c16731099ae42012126bff
commit: ed25a7557151e54a28faef509c93acff5732ea23 [19/47] lto: Use C version for SYSCALL_ALIAS / cond_syscall
config: sparc64-randconfig-m031-20210420 (attached as .config)
compiler: sparc64-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/ak/linux-misc.git/commit/?id=ed25a7557151e54a28faef509c93acff5732ea23
        git remote add ak https://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git
        git fetch --no-tags ak lto-5.12-2-wip
        git checkout ed25a7557151e54a28faef509c93acff5732ea23
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=sparc64 

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

All errors (new ones prefixed by >>):

   kernel/time/posix-stubs.c:25:17: warning: no previous prototype for 'sys_ni_posix_timers' [-Wmissing-prototypes]
      25 | asmlinkage long sys_ni_posix_timers(void)
         |                 ^~~~~~~~~~~~~~~~~~~
   kernel/time/posix-stubs.c:73:5: warning: no previous prototype for 'do_clock_gettime' [-Wmissing-prototypes]
      73 | int do_clock_gettime(clockid_t which_clock, struct timespec64 *tp)
         |     ^~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
>> kernel/time/posix-stubs.c:38:44: error: conflicting types for 'compat_sys_timer_create'
      38 | #define COMPAT_SYS_NI(name)  SYSCALL_ALIAS(compat_sys_##name, sys_ni_posix_timers)
         |                                            ^~~~~~~~~~~
   include/linux/linkage.h:32:7: note: in definition of macro 'SYSCALL_ALIAS'
      32 |  long a(void) __attribute__((alias(__stringify(name))))
         |       ^
   kernel/time/posix-stubs.c:160:1: note: in expansion of macro 'COMPAT_SYS_NI'
     160 | COMPAT_SYS_NI(timer_create);
         | ^~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:18:
   include/linux/compat.h:671:17: note: previous declaration of 'compat_sys_timer_create' was here
     671 | asmlinkage long compat_sys_timer_create(clockid_t which_clock,
         |                 ^~~~~~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
>> kernel/time/posix-stubs.c:38:44: error: conflicting types for 'compat_sys_getitimer'
      38 | #define COMPAT_SYS_NI(name)  SYSCALL_ALIAS(compat_sys_##name, sys_ni_posix_timers)
         |                                            ^~~~~~~~~~~
   include/linux/linkage.h:32:7: note: in definition of macro 'SYSCALL_ALIAS'
      32 |  long a(void) __attribute__((alias(__stringify(name))))
         |       ^
   kernel/time/posix-stubs.c:164:1: note: in expansion of macro 'COMPAT_SYS_NI'
     164 | COMPAT_SYS_NI(getitimer);
         | ^~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:18:
   include/linux/compat.h:658:17: note: previous declaration of 'compat_sys_getitimer' was here
     658 | asmlinkage long compat_sys_getitimer(int which,
         |                 ^~~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
>> kernel/time/posix-stubs.c:38:44: error: conflicting types for 'compat_sys_setitimer'
      38 | #define COMPAT_SYS_NI(name)  SYSCALL_ALIAS(compat_sys_##name, sys_ni_posix_timers)
         |                                            ^~~~~~~~~~~
   include/linux/linkage.h:32:7: note: in definition of macro 'SYSCALL_ALIAS'
      32 |  long a(void) __attribute__((alias(__stringify(name))))
         |       ^
   kernel/time/posix-stubs.c:165:1: note: in expansion of macro 'COMPAT_SYS_NI'
     165 | COMPAT_SYS_NI(setitimer);
         | ^~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:18:
   include/linux/compat.h:660:17: note: previous declaration of 'compat_sys_setitimer' was here
     660 | asmlinkage long compat_sys_setitimer(int which,
         |                 ^~~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
   kernel/time/posix-stubs.c:34:43: warning: 'sys_timer_create' alias between functions of incompatible types 'long int(clockid_t,  struct sigevent *, timer_t *)' {aka 'long int(int,  struct sigevent *, int *)'} and 'long int(void)' [-Wattribute-alias=]
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                                           ^~~~
   kernel/time/posix-stubs.c:34:23: note: in expansion of macro 'SYSCALL_ALIAS_PROTO'
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                       ^~~~~~~~~~~~~~~~~~~
   kernel/time/posix-stubs.c:41:1: note: in expansion of macro 'SYS_NI'
      41 | SYS_NI(timer_create);
         | ^~~~~~
   kernel/time/posix-stubs.c:25:17: note: aliased declaration here
      25 | asmlinkage long sys_ni_posix_timers(void)
         |                 ^~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
   kernel/time/posix-stubs.c:34:43: warning: 'sys_timer_gettime32' alias between functions of incompatible types 'long int(timer_t,  struct old_itimerspec32 *)' {aka 'long int(int,  struct old_itimerspec32 *)'} and 'long int(void)' [-Wattribute-alias=]
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                                           ^~~~
   kernel/time/posix-stubs.c:34:23: note: in expansion of macro 'SYSCALL_ALIAS_PROTO'
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                       ^~~~~~~~~~~~~~~~~~~
   kernel/time/posix-stubs.c:170:1: note: in expansion of macro 'SYS_NI'
     170 | SYS_NI(timer_gettime32);
         | ^~~~~~
   kernel/time/posix-stubs.c:25:17: note: aliased declaration here
      25 | asmlinkage long sys_ni_posix_timers(void)
         |                 ^~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
   kernel/time/posix-stubs.c:34:43: warning: 'sys_timer_settime32' alias between functions of incompatible types 'long int(timer_t,  int,  struct old_itimerspec32 *, struct old_itimerspec32 *)' {aka 'long int(int,  int,  struct old_itimerspec32 *, struct old_itimerspec32 *)'} and 'long int(void)' [-Wattribute-alias=]
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                                           ^~~~
   kernel/time/posix-stubs.c:34:23: note: in expansion of macro 'SYSCALL_ALIAS_PROTO'
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                       ^~~~~~~~~~~~~~~~~~~
   kernel/time/posix-stubs.c:169:1: note: in expansion of macro 'SYS_NI'
     169 | SYS_NI(timer_settime32);
         | ^~~~~~
   kernel/time/posix-stubs.c:25:17: note: aliased declaration here
      25 | asmlinkage long sys_ni_posix_timers(void)
         |                 ^~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
   kernel/time/posix-stubs.c:34:43: warning: 'sys_alarm' alias between functions of incompatible types 'long int(unsigned int)' and 'long int(void)' [-Wattribute-alias=]
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                                           ^~~~
   kernel/time/posix-stubs.c:34:23: note: in expansion of macro 'SYSCALL_ALIAS_PROTO'
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                       ^~~~~~~~~~~~~~~~~~~
   kernel/time/posix-stubs.c:51:1: note: in expansion of macro 'SYS_NI'
      51 | SYS_NI(alarm);
         | ^~~~~~
   kernel/time/posix-stubs.c:25:17: note: aliased declaration here
      25 | asmlinkage long sys_ni_posix_timers(void)
         |                 ^~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
   kernel/time/posix-stubs.c:34:43: warning: 'sys_clock_adjtime32' alias between functions of incompatible types 'long int(clockid_t,  struct old_timex32 *)' {aka 'long int(int,  struct old_timex32 *)'} and 'long int(void)' [-Wattribute-alias=]
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                                           ^~~~
   kernel/time/posix-stubs.c:34:23: note: in expansion of macro 'SYSCALL_ALIAS_PROTO'
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                       ^~~~~~~~~~~~~~~~~~~
   kernel/time/posix-stubs.c:49:1: note: in expansion of macro 'SYS_NI'
      49 | SYS_NI(clock_adjtime32);
         | ^~~~~~
   kernel/time/posix-stubs.c:25:17: note: aliased declaration here
      25 | asmlinkage long sys_ni_posix_timers(void)
         |                 ^~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
   kernel/time/posix-stubs.c:34:43: warning: 'sys_setitimer' alias between functions of incompatible types 'long int(int,  struct __kernel_old_itimerval *, struct __kernel_old_itimerval *)' and 'long int(void)' [-Wattribute-alias=]
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                                           ^~~~
   kernel/time/posix-stubs.c:34:23: note: in expansion of macro 'SYSCALL_ALIAS_PROTO'
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                       ^~~~~~~~~~~~~~~~~~~
   kernel/time/posix-stubs.c:48:1: note: in expansion of macro 'SYS_NI'
      48 | SYS_NI(setitimer);
         | ^~~~~~
   kernel/time/posix-stubs.c:25:17: note: aliased declaration here
      25 | asmlinkage long sys_ni_posix_timers(void)
         |                 ^~~~~~~~~~~~~~~~~~~
   In file included from kernel/time/posix-stubs.c:9:
   kernel/time/posix-stubs.c:34:43: warning: 'sys_getitimer' alias between functions of incompatible types 'long int(int,  struct __kernel_old_itimerval *)' and 'long int(void)' [-Wattribute-alias=]
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                                           ^~~~
   kernel/time/posix-stubs.c:34:23: note: in expansion of macro 'SYSCALL_ALIAS_PROTO'
      34 | #define SYS_NI(name)  SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
         |                       ^~~~~~~~~~~~~~~~~~~
   kernel/time/posix-stubs.c:47:1: note: in expansion of macro 'SYS_NI'
      47 | SYS_NI(getitimer);
         | ^~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FRAME_POINTER
   Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS || MCOUNT
   Selected by
   - LOCKDEP && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86


vim +/compat_sys_timer_create +38 kernel/time/posix-stubs.c

7303e30ec1d8fb Dominik Brodowski 2018-04-05  36  
7303e30ec1d8fb Dominik Brodowski 2018-04-05  37  #ifndef COMPAT_SYS_NI
3a4d44b6162555 Al Viro           2017-06-07 @38  #define COMPAT_SYS_NI(name)  SYSCALL_ALIAS(compat_sys_##name, sys_ni_posix_timers)
7303e30ec1d8fb Dominik Brodowski 2018-04-05  39  #endif
baa73d9e478ff3 Nicolas Pitre     2016-11-11  40  

:::::: The code at line 38 was first introduced by commit
:::::: 3a4d44b6162555070194e486ff6b3799a8d323a2 ntp: Move adjtimex related compat syscalls to native counterparts

:::::: TO: Al Viro <viro@zeniv.linux.org.uk>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>

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

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                 reply	other threads:[~2021-04-20  8:41 UTC|newest]

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