* [ak-misc:lto-5.17-1-wip 13/52] 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)'
@ 2022-02-20 20:51 kernel test robot
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From: kernel test robot @ 2022-02-20 20:51 UTC (permalink / raw)
To: Andi Kleen; +Cc: kbuild-all, linux-kernel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git lto-5.17-1-wip
head: e3a498b1f0eadc0a91ae725fd924588fd660a9af
commit: a80de7a70547b61179e288ef2531c410a47f734e [13/52] lto: Use C version for SYSCALL_ALIAS / cond_syscall
config: arm-randconfig-r002-20220220 (https://download.01.org/0day-ci/archive/20220221/202202210456.qXsmncqh-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
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=a80de7a70547b61179e288ef2531c410a47f734e
git remote add ak-misc https://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git
git fetch --no-tags ak-misc lto-5.17-1-wip
git checkout a80de7a70547b61179e288ef2531c410a47f734e
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash kernel/time/
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/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: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_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);
| ^~~~~~
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_adjtime' alias between functions of incompatible types 'long int(clockid_t, struct __kernel_timex *)' {aka 'long int(int, struct __kernel_timex *)'} 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:46:1: note: in expansion of macro 'SYS_NI'
46 | SYS_NI(clock_adjtime);
| ^~~~~~
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_delete' alias between functions of incompatible types 'long int(timer_t)' {aka 'long int(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:45:1: note: in expansion of macro 'SYS_NI'
45 | SYS_NI(timer_delete);
| ^~~~~~
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_settime' alias between functions of incompatible types 'long int(timer_t, int, const struct __kernel_itimerspec *, struct __kernel_itimerspec *)' {aka 'long int(int, int, const struct __kernel_itimerspec *, struct __kernel_itimerspec *)'} 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:44:1: note: in expansion of macro 'SYS_NI'
44 | SYS_NI(timer_settime);
| ^~~~~~
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_getoverrun' alias between functions of incompatible types 'long int(timer_t)' {aka 'long int(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:43:1: note: in expansion of macro 'SYS_NI'
43 | SYS_NI(timer_getoverrun);
| ^~~~~~
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_gettime' alias between functions of incompatible types 'long int(timer_t, struct __kernel_itimerspec *)' {aka 'long int(int, struct __kernel_itimerspec *)'} 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:42:1: note: in expansion of macro 'SYS_NI'
42 | SYS_NI(timer_gettime);
| ^~~~~~
kernel/time/posix-stubs.c:25:17: note: aliased declaration here
25 | asmlinkage long sys_ni_posix_timers(void)
| ^~~~~~~~~~~~~~~~~~~
vim +34 kernel/time/posix-stubs.c
24
> 25 asmlinkage long sys_ni_posix_timers(void)
26 {
27 pr_err_once("process %d (%s) attempted a POSIX timer syscall "
28 "while CONFIG_POSIX_TIMERS is not set\n",
29 current->pid, current->comm);
30 return -ENOSYS;
31 }
32
33 #ifndef SYS_NI
> 34 #define SYS_NI(name) SYSCALL_ALIAS_PROTO(sys_##name, sys_ni_posix_timers)
35 #endif
36
37 #ifndef COMPAT_SYS_NI
38 #define COMPAT_SYS_NI(name) SYSCALL_ALIAS(compat_sys_##name, sys_ni_posix_timers)
39 #endif
40
> 41 SYS_NI(timer_create);
42 SYS_NI(timer_gettime);
> 43 SYS_NI(timer_getoverrun);
> 44 SYS_NI(timer_settime);
> 45 SYS_NI(timer_delete);
> 46 SYS_NI(clock_adjtime);
> 47 SYS_NI(getitimer);
> 48 SYS_NI(setitimer);
> 49 SYS_NI(clock_adjtime32);
50 #ifdef __ARCH_WANT_SYS_ALARM
51 SYS_NI(alarm);
52 #endif
53
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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2022-02-20 20:51 [ak-misc:lto-5.17-1-wip 13/52] 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)' kernel test robot
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