Re: [PATCH v1 1/1] kernel.h: Move sysfs related macro to sysfs.h

kernel test robot
2022-06-05T22:14:08Z

config: arm-pcm027_defconfig (https://download.01.org/0day-ci/archive/20220606/202206060647.TvX3UWaq-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 416a5080d89066029f9889dc23f94de47c2fa895)
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://github.com/intel-lab-lkp/linux/commit/0fad3ce70c6f6736d3913e3238642a056f70b123
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Andy-Shevchenko/kernel-h-Move-sysfs-related-macro-to-sysfs-h/20220606-004344
git checkout 0fad3ce70c6f6736d3913e3238642a056f70b123
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> arch/arm/mm/alignment.c:87:1: error: call to undeclared function 'VERIFY_OCTAL_PERMISSIONS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
core_param(alignment, ai_usermode, int, 0600);
^
include/linux/moduleparam.h:330:2: note: expanded from macro 'core_param'
__module_param_call("", name, &param_ops_##type, &var, perm, -1, 0)
^
include/linux/moduleparam.h:294:6: note: expanded from macro '__module_param_call'
VERIFY_OCTAL_PERMISSIONS(perm), level, flags, { arg } }
^
>> arch/arm/mm/alignment.c:87:1: error: initializer element is not a compile-time constant
core_param(alignment, ai_usermode, int, 0600);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:330:2: note: expanded from macro 'core_param'
__module_param_call("", name, &param_ops_##type, &var, perm, -1, 0)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:294:6: note: expanded from macro '__module_param_call'
VERIFY_OCTAL_PERMISSIONS(perm), level, flags, { arg } }
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.

vim +/VERIFY_OCTAL_PERMISSIONS +87 arch/arm/mm/alignment.c

^1da177e4c3f41 Linus Torvalds 2005-04-16 86
d944d549aa86e0 Russell King 2010-02-20 @87 core_param(alignment, ai_usermode, int, 0600);
d944d549aa86e0 Russell King 2010-02-20 88