Re: [PATCH 3/3] [PATCH]-This patch series completes the implementation of do_mq_timedreceive2 new system calls that provide non-destructive peek functionality on POSIX message queues

[kernel test robot]

Hi Mathura_Kumar,

kernel test robot noticed the following build warnings:

[auto build test WARNING on shuah-kselftest/next]
[also build test WARNING on shuah-kselftest/fixes linus/master v7.0-rc2 next-20260303]
[cannot apply to arnd-asm-generic/master tip/x86/asm]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Mathura_Kumar/mqueue-introduce-new-do_mq_timedreceive2-mq_peek-syscall-for-non-destructive-receive-and-inspection/20260305-020107
base:   https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
patch link:    https://lore.kernel.org/r/20260304135126.77270-3-academic1mathura%40gmail.com
patch subject: [PATCH 3/3] [PATCH]-This patch series completes the implementation of do_mq_timedreceive2 new        system calls that provide non-destructive peek functionality        on POSIX message queues
config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20260305/202603051353.0aNGnszx-lkp@xxxxxxxxx/config)
compiler: arc-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260305/202603051353.0aNGnszx-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603051353.0aNGnszx-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from arch/arc/include/uapi/asm/unistd.h:10,
                    from arch/arc/include/asm/unistd.h:5,
                    from <stdin>:2:
>> ./arch/arc/include/generated/uapi/asm/unistd_32.h:356:9: warning: '__NR_mq_timedreceive_time64' redefined
     356 | #define __NR_mq_timedreceive_time64 474
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   ./arch/arc/include/generated/uapi/asm/unistd_32.h:303:9: note: this is the location of the previous definition
     303 | #define __NR_mq_timedreceive_time64 419
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   <stdin>:1634:2: warning: #warning syscall mq_timedreceive2_time64 not implemented [-Wcpp]
--
   In file included from arch/arc/include/uapi/asm/unistd.h:10,
                    from arch/arc/include/asm/unistd.h:5,
                    from arch/arc/include/asm/entry.h:10,
                    from arch/arc/kernel/head.S:14:
>> ./arch/arc/include/generated/uapi/asm/unistd_32.h:356:9: warning: '__NR_mq_timedreceive_time64' redefined
     356 | #define __NR_mq_timedreceive_time64 474
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   ./arch/arc/include/generated/uapi/asm/unistd_32.h:303:9: note: this is the location of the previous definition
     303 | #define __NR_mq_timedreceive_time64 419
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
--
   In file included from arch/arc/include/uapi/asm/unistd.h:10,
                    from arch/arc/include/asm/unistd.h:5,
                    from include/uapi/linux/unistd.h:8,
                    from arch/arc/kernel/process.c:16:
>> ./arch/arc/include/generated/uapi/asm/unistd_32.h:356:9: warning: '__NR_mq_timedreceive_time64' redefined
     356 | #define __NR_mq_timedreceive_time64 474
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   ./arch/arc/include/generated/uapi/asm/unistd_32.h:303:9: note: this is the location of the previous definition
     303 | #define __NR_mq_timedreceive_time64 419
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from arch/arc/kernel/process.c:19:
   include/linux/syscalls.h:751:42: warning: 'struct mq_timedreceive2_args' declared inside parameter list will not be visible outside of this definition or declaration
     751 | sys_mq_timedreceive2(mqd_t mqdes, struct mq_timedreceive2_args __user *uargs,
         |                                          ^~~~~~~~~~~~~~~~~~~~~
   include/linux/syscalls.h:756:36: warning: 'struct mq_timedreceive2_args' declared inside parameter list will not be visible outside of this definition or declaration
     756 |                             struct mq_timedreceive2_args __user *uargs,
         |                                    ^~~~~~~~~~~~~~~~~~~~~
--
   In file included from arch/arc/include/uapi/asm/unistd.h:10,
                    from arch/arc/include/asm/unistd.h:5,
                    from include/uapi/linux/unistd.h:8,
                    from include/linux/syscalls.h:91,
                    from arch/arc/kernel/sys.c:3:
>> ./arch/arc/include/generated/uapi/asm/unistd_32.h:356:9: warning: '__NR_mq_timedreceive_time64' redefined
     356 | #define __NR_mq_timedreceive_time64 474
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   ./arch/arc/include/generated/uapi/asm/unistd_32.h:303:9: note: this is the location of the previous definition
     303 | #define __NR_mq_timedreceive_time64 419
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/syscalls.h:751:42: warning: 'struct mq_timedreceive2_args' declared inside parameter list will not be visible outside of this definition or declaration
     751 | sys_mq_timedreceive2(mqd_t mqdes, struct mq_timedreceive2_args __user *uargs,
         |                                          ^~~~~~~~~~~~~~~~~~~~~
   include/linux/syscalls.h:756:36: warning: 'struct mq_timedreceive2_args' declared inside parameter list will not be visible outside of this definition or declaration
     756 |                             struct mq_timedreceive2_args __user *uargs,
         |                                    ^~~~~~~~~~~~~~~~~~~~~
   arch/arc/kernel/sys.c:13:36: warning: initialized field overwritten [-Woverride-init]
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   arch/arc/kernel/sys.c:14:52: note: in expansion of macro '__SYSCALL'
      14 | #define __SYSCALL_WITH_COMPAT(nr, native, compat)  __SYSCALL(nr, native)
         |                                                    ^~~~~~~~~
   ./arch/arc/include/generated/asm/syscall_table_32.h:1:1: note: in expansion of macro '__SYSCALL_WITH_COMPAT'
       1 | __SYSCALL_WITH_COMPAT(0, sys_io_setup, compat_sys_io_setup)
         | ^~~~~~~~~~~~~~~~~~~~~
   arch/arc/kernel/sys.c:13:36: note: (near initialization for 'sys_call_table[0]')
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   arch/arc/kernel/sys.c:14:52: note: in expansion of macro '__SYSCALL'
      14 | #define __SYSCALL_WITH_COMPAT(nr, native, compat)  __SYSCALL(nr, native)
         |                                                    ^~~~~~~~~
   ./arch/arc/include/generated/asm/syscall_table_32.h:1:1: note: in expansion of macro '__SYSCALL_WITH_COMPAT'
       1 | __SYSCALL_WITH_COMPAT(0, sys_io_setup, compat_sys_io_setup)
         | ^~~~~~~~~~~~~~~~~~~~~
   arch/arc/kernel/sys.c:13:36: warning: initialized field overwritten [-Woverride-init]
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   ./arch/arc/include/generated/asm/syscall_table_32.h:2:1: note: in expansion of macro '__SYSCALL'
       2 | __SYSCALL(1, sys_io_destroy)
         | ^~~~~~~~~
   arch/arc/kernel/sys.c:13:36: note: (near initialization for 'sys_call_table[1]')
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   ./arch/arc/include/generated/asm/syscall_table_32.h:2:1: note: in expansion of macro '__SYSCALL'
       2 | __SYSCALL(1, sys_io_destroy)
         | ^~~~~~~~~
   arch/arc/kernel/sys.c:13:36: warning: initialized field overwritten [-Woverride-init]
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   arch/arc/kernel/sys.c:14:52: note: in expansion of macro '__SYSCALL'
      14 | #define __SYSCALL_WITH_COMPAT(nr, native, compat)  __SYSCALL(nr, native)
         |                                                    ^~~~~~~~~
   ./arch/arc/include/generated/asm/syscall_table_32.h:3:1: note: in expansion of macro '__SYSCALL_WITH_COMPAT'
       3 | __SYSCALL_WITH_COMPAT(2, sys_io_submit, compat_sys_io_submit)
         | ^~~~~~~~~~~~~~~~~~~~~
   arch/arc/kernel/sys.c:13:36: note: (near initialization for 'sys_call_table[2]')
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   arch/arc/kernel/sys.c:14:52: note: in expansion of macro '__SYSCALL'
      14 | #define __SYSCALL_WITH_COMPAT(nr, native, compat)  __SYSCALL(nr, native)
         |                                                    ^~~~~~~~~
   ./arch/arc/include/generated/asm/syscall_table_32.h:3:1: note: in expansion of macro '__SYSCALL_WITH_COMPAT'
       3 | __SYSCALL_WITH_COMPAT(2, sys_io_submit, compat_sys_io_submit)
         | ^~~~~~~~~~~~~~~~~~~~~
   arch/arc/kernel/sys.c:13:36: warning: initialized field overwritten [-Woverride-init]
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   ./arch/arc/include/generated/asm/syscall_table_32.h:4:1: note: in expansion of macro '__SYSCALL'
       4 | __SYSCALL(3, sys_io_cancel)
         | ^~~~~~~~~
   arch/arc/kernel/sys.c:13:36: note: (near initialization for 'sys_call_table[3]')
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   ./arch/arc/include/generated/asm/syscall_table_32.h:4:1: note: in expansion of macro '__SYSCALL'
       4 | __SYSCALL(3, sys_io_cancel)
         | ^~~~~~~~~
   arch/arc/kernel/sys.c:13:36: warning: initialized field overwritten [-Woverride-init]
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   ./arch/arc/include/generated/asm/syscall_table_32.h:5:1: note: in expansion of macro '__SYSCALL'
       5 | __SYSCALL(4, sys_io_getevents_time32)
         | ^~~~~~~~~
   arch/arc/kernel/sys.c:13:36: note: (near initialization for 'sys_call_table[4]')
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   ./arch/arc/include/generated/asm/syscall_table_32.h:5:1: note: in expansion of macro '__SYSCALL'
       5 | __SYSCALL(4, sys_io_getevents_time32)
         | ^~~~~~~~~
   arch/arc/kernel/sys.c:13:36: warning: initialized field overwritten [-Woverride-init]
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   ./arch/arc/include/generated/asm/syscall_table_32.h:6:1: note: in expansion of macro '__SYSCALL'
       6 | __SYSCALL(5, sys_setxattr)
         | ^~~~~~~~~
   arch/arc/kernel/sys.c:13:36: note: (near initialization for 'sys_call_table[5]')
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   ./arch/arc/include/generated/asm/syscall_table_32.h:6:1: note: in expansion of macro '__SYSCALL'
       6 | __SYSCALL(5, sys_setxattr)
         | ^~~~~~~~~
   arch/arc/kernel/sys.c:13:36: warning: initialized field overwritten [-Woverride-init]
      13 | #define __SYSCALL(nr, call) [nr] = (call),
         |                                    ^
   ./arch/arc/include/generated/asm/syscall_table_32.h:7:1: note: in expansion of macro '__SYSCALL'
       7 | __SYSCALL(6, sys_lsetxattr)
--
   In file included from arch/arc/include/uapi/asm/unistd.h:10,
                    from arch/arc/include/asm/unistd.h:5,
                    from include/uapi/linux/unistd.h:8,
                    from include/linux/syscalls.h:91,
                    from include/linux/syscalls_api.h:1,
                    from kernel/sched/sched.h:64,
                    from kernel/sched/rq-offsets.c:5:
>> ./arch/arc/include/generated/uapi/asm/unistd_32.h:356:9: warning: '__NR_mq_timedreceive_time64' redefined
     356 | #define __NR_mq_timedreceive_time64 474
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   ./arch/arc/include/generated/uapi/asm/unistd_32.h:303:9: note: this is the location of the previous definition
     303 | #define __NR_mq_timedreceive_time64 419
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/syscalls.h:751:42: warning: 'struct mq_timedreceive2_args' declared inside parameter list will not be visible outside of this definition or declaration
     751 | sys_mq_timedreceive2(mqd_t mqdes, struct mq_timedreceive2_args __user *uargs,
         |                                          ^~~~~~~~~~~~~~~~~~~~~
   include/linux/syscalls.h:756:36: warning: 'struct mq_timedreceive2_args' declared inside parameter list will not be visible outside of this definition or declaration
     756 |                             struct mq_timedreceive2_args __user *uargs,
         |                                    ^~~~~~~~~~~~~~~~~~~~~
   In file included from arch/arc/include/uapi/asm/unistd.h:10,
                    from arch/arc/include/asm/unistd.h:5,
                    from <stdin>:2:
>> ./arch/arc/include/generated/uapi/asm/unistd_32.h:356:9: warning: '__NR_mq_timedreceive_time64' redefined
     356 | #define __NR_mq_timedreceive_time64 474
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   ./arch/arc/include/generated/uapi/asm/unistd_32.h:303:9: note: this is the location of the previous definition
     303 | #define __NR_mq_timedreceive_time64 419
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   <stdin>:1634:2: warning: #warning syscall mq_timedreceive2_time64 not implemented [-Wcpp]

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