All of lore.kernel.org
 help / color / mirror / Atom feed
From: kernel test robot <lkp@intel.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	linux-kernel@vger.kernel.org
Subject: [mingo-tip:master 1626/2300] arch/arm64/kernel/traps.c:1081:13: warning: no previous prototype for function 'trap_init'
Date: Sun, 9 Jan 2022 01:22:08 +0800	[thread overview]
Message-ID: <202201090114.UJD5Vbez-lkp@intel.com> (raw)

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git master
head:   4e348e961395297bb17f101cc63bc133d8a348e9
commit: 7e1545fe3cd7d5ab2472513191e4fbec3467ba2c [1626/2300] headers/deps: tracing: Optimize the <trace/syscall.h> header
config: arm64-buildonly-randconfig-r005-20220108 (https://download.01.org/0day-ci/archive/20220109/202201090114.UJD5Vbez-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f3a344d2125fa37e59bae1b0874442c650a19607)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=7e1545fe3cd7d5ab2472513191e4fbec3467ba2c
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip master
        git checkout 7e1545fe3cd7d5ab2472513191e4fbec3467ba2c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/

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/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:839:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_DABT_LOW]           = "DABT (lower EL)",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:840:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_DABT_CUR]           = "DABT (current EL)",
                                             ^~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:841:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_SP_ALIGN]           = "SP Alignment",
                                             ^~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:842:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_FP_EXC32]           = "FP (AArch32)",
                                             ^~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:843:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_FP_EXC64]           = "FP (AArch64)",
                                             ^~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:844:25: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_SERROR]             = "SError",
                                             ^~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:845:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_BREAKPT_LOW]        = "Breakpoint (lower EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:846:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_BREAKPT_CUR]        = "Breakpoint (current EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:847:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_SOFTSTP_LOW]        = "Software Step (lower EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:848:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_SOFTSTP_CUR]        = "Software Step (current EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:849:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_WATCHPT_LOW]        = "Watchpoint (lower EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:850:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_WATCHPT_CUR]        = "Watchpoint (current EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:851:25: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_BKPT32]             = "BKPT (AArch32)",
                                             ^~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:852:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_VECTOR32]           = "Vector catch (AArch32)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:853:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_BRK64]              = "BRK (AArch64)",
                                             ^~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:1069:12: warning: no previous prototype for function 'early_brk64' [-Wmissing-prototypes]
   int __init early_brk64(unsigned long addr, unsigned int esr,
              ^
   arch/arm64/kernel/traps.c:1069:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int __init early_brk64(unsigned long addr, unsigned int esr,
   ^
   static 
>> arch/arm64/kernel/traps.c:1081:13: warning: no previous prototype for function 'trap_init' [-Wmissing-prototypes]
   void __init trap_init(void)
               ^
   arch/arm64/kernel/traps.c:1081:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init trap_init(void)
   ^
   static 
   43 warnings generated.


vim +/trap_init +1081 arch/arm64/kernel/traps.c

9fb7410f955f7a Dave P Martin   2015-07-24  1080  
60ffc30d565281 Catalin Marinas 2012-03-05 @1081  void __init trap_init(void)

:::::: The code at line 1081 was first introduced by commit
:::::: 60ffc30d5652810dd34ea2eec41504222f5d5791 arm64: Exception handling

:::::: TO: Catalin Marinas <catalin.marinas@arm.com>
:::::: CC: Catalin Marinas <catalin.marinas@arm.com>

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

WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [mingo-tip:master 1626/2300] arch/arm64/kernel/traps.c:1081:13: warning: no previous prototype for function 'trap_init'
Date: Sun, 09 Jan 2022 01:22:08 +0800	[thread overview]
Message-ID: <202201090114.UJD5Vbez-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 10143 bytes --]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git master
head:   4e348e961395297bb17f101cc63bc133d8a348e9
commit: 7e1545fe3cd7d5ab2472513191e4fbec3467ba2c [1626/2300] headers/deps: tracing: Optimize the <trace/syscall.h> header
config: arm64-buildonly-randconfig-r005-20220108 (https://download.01.org/0day-ci/archive/20220109/202201090114.UJD5Vbez-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f3a344d2125fa37e59bae1b0874442c650a19607)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=7e1545fe3cd7d5ab2472513191e4fbec3467ba2c
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip master
        git checkout 7e1545fe3cd7d5ab2472513191e4fbec3467ba2c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/

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/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:839:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_DABT_LOW]           = "DABT (lower EL)",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:840:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_DABT_CUR]           = "DABT (current EL)",
                                             ^~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:841:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_SP_ALIGN]           = "SP Alignment",
                                             ^~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:842:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_FP_EXC32]           = "FP (AArch32)",
                                             ^~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:843:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_FP_EXC64]           = "FP (AArch64)",
                                             ^~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:844:25: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_SERROR]             = "SError",
                                             ^~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:845:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_BREAKPT_LOW]        = "Breakpoint (lower EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:846:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_BREAKPT_CUR]        = "Breakpoint (current EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:847:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_SOFTSTP_LOW]        = "Software Step (lower EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:848:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_SOFTSTP_CUR]        = "Software Step (current EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:849:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_WATCHPT_LOW]        = "Watchpoint (lower EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:850:29: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_WATCHPT_CUR]        = "Watchpoint (current EL)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:851:25: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_BKPT32]             = "BKPT (AArch32)",
                                             ^~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:852:27: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_VECTOR32]           = "Vector catch (AArch32)",
                                             ^~~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:853:24: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [ESR_ELx_EC_BRK64]              = "BRK (AArch64)",
                                             ^~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:812:28: note: previous initialization is here
           [0 ... ESR_ELx_EC_MAX]          = "UNRECOGNIZED EC",
                                             ^~~~~~~~~~~~~~~~~
   arch/arm64/kernel/traps.c:1069:12: warning: no previous prototype for function 'early_brk64' [-Wmissing-prototypes]
   int __init early_brk64(unsigned long addr, unsigned int esr,
              ^
   arch/arm64/kernel/traps.c:1069:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int __init early_brk64(unsigned long addr, unsigned int esr,
   ^
   static 
>> arch/arm64/kernel/traps.c:1081:13: warning: no previous prototype for function 'trap_init' [-Wmissing-prototypes]
   void __init trap_init(void)
               ^
   arch/arm64/kernel/traps.c:1081:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init trap_init(void)
   ^
   static 
   43 warnings generated.


vim +/trap_init +1081 arch/arm64/kernel/traps.c

9fb7410f955f7a Dave P Martin   2015-07-24  1080  
60ffc30d565281 Catalin Marinas 2012-03-05 @1081  void __init trap_init(void)

:::::: The code at line 1081 was first introduced by commit
:::::: 60ffc30d5652810dd34ea2eec41504222f5d5791 arm64: Exception handling

:::::: TO: Catalin Marinas <catalin.marinas@arm.com>
:::::: CC: Catalin Marinas <catalin.marinas@arm.com>

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

             reply	other threads:[~2022-01-08 17:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-08 17:22 kernel test robot [this message]
2022-01-08 17:22 ` [mingo-tip:master 1626/2300] arch/arm64/kernel/traps.c:1081:13: warning: no previous prototype for function 'trap_init' 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=202201090114.UJD5Vbez-lkp@intel.com \
    --to=lkp@intel.com \
    --cc=kbuild-all@lists.01.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=llvm@lists.linux.dev \
    --cc=mingo@kernel.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.