linux-kernel - arch/ia64/kernel/ptrace.c:2053:6: warning: no previous prototype for 'syscall_get

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Message-ID: <202111131028.3aMfUMQ3-lkp@intel.com>
Date:   Sat, 13 Nov 2021 10:38:37 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Collingbourne <pcc@...gle.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>
Subject: arch/ia64/kernel/ptrace.c:2053:6: warning: no previous prototype for
 'syscall_get_arguments'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   66f4beaa6c1d28161f534471484b2daa2de1dce0
commit: 7962c2eddbfe7cce879acb06f9b4f205789e57b7 arch: remove unused function syscall_set_arguments()
date:   9 weeks ago
config: ia64-defconfig (attached as .config)
compiler: ia64-linux-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/torvalds/linux.git/commit/?id=7962c2eddbfe7cce879acb06f9b4f205789e57b7
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 7962c2eddbfe7cce879acb06f9b4f205789e57b7
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=ia64 

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

All warnings (new ones prefixed by >>):

   arch/ia64/kernel/ptrace.c:1215:1: warning: no previous prototype for 'syscall_trace_enter' [-Wmissing-prototypes]
    1215 | syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
         | ^~~~~~~~~~~~~~~~~~~
   arch/ia64/kernel/ptrace.c:1236:1: warning: no previous prototype for 'syscall_trace_leave' [-Wmissing-prototypes]
    1236 | syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
         | ^~~~~~~~~~~~~~~~~~~
>> arch/ia64/kernel/ptrace.c:2053:6: warning: no previous prototype for 'syscall_get_arguments' [-Wmissing-prototypes]
    2053 | void syscall_get_arguments(struct task_struct *task,
         |      ^~~~~~~~~~~~~~~~~~~~~


vim +/syscall_get_arguments +2053 arch/ia64/kernel/ptrace.c

  2052	
> 2053	void syscall_get_arguments(struct task_struct *task,

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

Download attachment ".config.gz" of type "application/gzip" (19983 bytes)