linux-kernel - arch/sparc/kernel/traps_64.c:2839:13: warning: no previous prototype for 'trap

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Message-ID: <202311032350.zdir71xr-lkp@intel.com>
Date:   Fri, 3 Nov 2023 23:27:36 +0800
From:   kernel test robot <lkp@...el.com>
To:     Rob Herring <robh@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: arch/sparc/kernel/traps_64.c:2839:13: warning: no previous prototype
 for 'trap_init'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8f6f76a6a29f36d2f3e4510d0bde5046672f6924
commit: 7e09cb0b84ac5d17086a65ca21479dfec600a232 of: Drop cpu.h include from of_device.h
date:   7 months ago
config: sparc-sparc64_defconfig (https://download.01.org/0day-ci/archive/20231103/202311032350.zdir71xr-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231103/202311032350.zdir71xr-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311032350.zdir71xr-lkp@intel.com/

All warnings (new ones prefixed by >>):

   arch/sparc/kernel/traps_64.c:252:6: warning: no previous prototype for 'is_no_fault_exception' [-Wmissing-prototypes]
     252 | bool is_no_fault_exception(struct pt_regs *regs)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/sparc/kernel/traps_64.c:2034:6: warning: no previous prototype for 'do_mcd_err' [-Wmissing-prototypes]
    2034 | void do_mcd_err(struct pt_regs *regs, struct sun4v_error_entry ent)
         |      ^~~~~~~~~~
   arch/sparc/kernel/traps_64.c:2152:6: warning: no previous prototype for 'sun4v_nonresum_error_user_handled' [-Wmissing-prototypes]
    2152 | bool sun4v_nonresum_error_user_handled(struct pt_regs *regs,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/sparc/kernel/traps_64.c:2839:13: warning: no previous prototype for 'trap_init' [-Wmissing-prototypes]
    2839 | void __init trap_init(void)
         |             ^~~~~~~~~


vim +/trap_init +2839 arch/sparc/kernel/traps_64.c

^1da177e4c3f415 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16  2837  
^1da177e4c3f415 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16  2838  /* Only invoked on boot processor. */
^1da177e4c3f415 arch/sparc64/kernel/traps.c Linus Torvalds 2005-04-16 @2839  void __init trap_init(void)

:::::: The code at line 2839 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki