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Date: Sun, 9 Jan 2022 01:22:08 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [mingo-tip:master 1626/2300] arch/arm64/kernel/traps.c:1081:13:
warning: no previous prototype for function 'trap_init'
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@...el.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@....com>
:::::: CC: Catalin Marinas <catalin.marinas@....com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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