public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: kernel test robot <lkp@intel.com>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	linux-kernel@vger.kernel.org,
	Russell King <rmk+kernel@armlinux.org.uk>,
	Linus Walleij <linus.walleij@linaro.org>
Subject: arch/arm/kernel/traps.c:775:6: warning: no previous prototype for function 'abort'
Date: Thu, 4 Nov 2021 16:48:15 +0800	[thread overview]
Message-ID: <202111041602.tiXgoPfZ-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 5896 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7ddb58cb0ecae8e8b6181d736a87667cc9ab8389
commit: 4d576cab16f57e1f87978f6997a725179398341e ARM: 9028/1: disable KASAN in call stack capturing routines
date:   11 months ago
config: arm-randconfig-r003-20211104 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 847a6807332b13f43704327c2d30103ec0347c77)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d576cab16f57e1f87978f6997a725179398341e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 4d576cab16f57e1f87978f6997a725179398341e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm 

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 >>):

   arch/arm/kernel/traps.c:82:6: warning: no previous prototype for function 'dump_backtrace_stm' [-Wmissing-prototypes]
   void dump_backtrace_stm(u32 *stack, u32 instruction, const char *loglvl)
        ^
   arch/arm/kernel/traps.c:82:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void dump_backtrace_stm(u32 *stack, u32 instruction, const char *loglvl)
   ^
   static 
   arch/arm/kernel/traps.c:445:17: warning: no previous prototype for function 'do_undefinstr' [-Wmissing-prototypes]
   asmlinkage void do_undefinstr(struct pt_regs *regs)
                   ^
   arch/arm/kernel/traps.c:445:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
   asmlinkage void do_undefinstr(struct pt_regs *regs)
              ^
              static 
   arch/arm/kernel/traps.c:510:39: warning: no previous prototype for function 'handle_fiq_as_nmi' [-Wmissing-prototypes]
   asmlinkage void __exception_irq_entry handle_fiq_as_nmi(struct pt_regs *regs)
                                         ^
   arch/arm/kernel/traps.c:510:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
   asmlinkage void __exception_irq_entry handle_fiq_as_nmi(struct pt_regs *regs)
              ^
              static 
   arch/arm/kernel/traps.c:529:17: warning: no previous prototype for function 'bad_mode' [-Wmissing-prototypes]
   asmlinkage void bad_mode(struct pt_regs *regs, int reason)
                   ^
   arch/arm/kernel/traps.c:529:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
   asmlinkage void bad_mode(struct pt_regs *regs, int reason)
              ^
              static 
   arch/arm/kernel/traps.c:602:16: warning: no previous prototype for function 'arm_syscall' [-Wmissing-prototypes]
   asmlinkage int arm_syscall(int no, struct pt_regs *regs)
                  ^
   arch/arm/kernel/traps.c:602:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
   asmlinkage int arm_syscall(int no, struct pt_regs *regs)
              ^
              static 
   arch/arm/kernel/traps.c:728:1: warning: no previous prototype for function 'baddataabort' [-Wmissing-prototypes]
   baddataabort(int code, unsigned long instr, struct pt_regs *regs)
   ^
   arch/arm/kernel/traps.c:727:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
   asmlinkage void
              ^
              static 
   arch/arm/kernel/traps.c:768:17: warning: no previous prototype for function '__div0' [-Wmissing-prototypes]
   asmlinkage void __div0(void)
                   ^
   arch/arm/kernel/traps.c:768:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
   asmlinkage void __div0(void)
              ^
              static 
>> arch/arm/kernel/traps.c:775:6: warning: no previous prototype for function 'abort' [-Wmissing-prototypes]
   void abort(void)
        ^
   arch/arm/kernel/traps.c:775:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void abort(void)
   ^
   static 
   arch/arm/kernel/traps.c:783:13: warning: no previous prototype for function 'trap_init' [-Wmissing-prototypes]
   void __init trap_init(void)
               ^
   arch/arm/kernel/traps.c:783:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init trap_init(void)
   ^
   static 
   9 warnings generated.


vim +/abort +775 arch/arm/kernel/traps.c

^1da177e4c3f415 Linus Torvalds 2005-04-16  774  
^1da177e4c3f415 Linus Torvalds 2005-04-16 @775  void abort(void)
^1da177e4c3f415 Linus Torvalds 2005-04-16  776  {
^1da177e4c3f415 Linus Torvalds 2005-04-16  777  	BUG();
^1da177e4c3f415 Linus Torvalds 2005-04-16  778  
^1da177e4c3f415 Linus Torvalds 2005-04-16  779  	/* if that doesn't kill us, halt */
^1da177e4c3f415 Linus Torvalds 2005-04-16  780  	panic("Oops failed to kill thread");
^1da177e4c3f415 Linus Torvalds 2005-04-16  781  }
^1da177e4c3f415 Linus Torvalds 2005-04-16  782  

:::::: The code at line 775 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 35095 bytes --]

             reply	other threads:[~2021-11-04  8:48 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-04  8:48 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-12-09 15:22 arch/arm/kernel/traps.c:775:6: warning: no previous prototype for function 'abort' kernel test robot
2021-12-09 15:34 ` Russell King (Oracle)
2021-07-13 10:38 kernel test robot

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=202111041602.tiXgoPfZ-lkp@intel.com \
    --to=lkp@intel.com \
    --cc=ardb@kernel.org \
    --cc=kbuild-all@lists.01.org \
    --cc=linus.walleij@linaro.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=llvm@lists.linux.dev \
    --cc=rmk+kernel@armlinux.org.uk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox