Messages in this thread | | | Date | Wed, 28 Jul 2021 03:44:51 +0800 | From | kernel test robot <> | Subject | [csky-linux:v5.14-rc2-of-delay-cpu-available 3/5] arch/riscv/mm/init.c:905:13: warning: no previous prototype for function 'pbmt_init' |
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tree: https://github.com/c-sky/csky-linux v5.14-rc2-of-delay-cpu-available head: f6c22a2278708ce7227c42294e351ff53e8b279a commit: 04be54eab2e8df9ac47f9d7e6ede22953f9f78e2 [3/5] riscv: pgtable: Add "PBMT" extension supported config: riscv-randconfig-r035-20210727 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c658b472f3e61e1818e1909bf02f3d65470018a5) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/c-sky/csky-linux/commit/04be54eab2e8df9ac47f9d7e6ede22953f9f78e2 git remote add csky-linux https://github.com/c-sky/csky-linux git fetch --no-tags csky-linux v5.14-rc2-of-delay-cpu-available git checkout 04be54eab2e8df9ac47f9d7e6ede22953f9f78e2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
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/riscv/mm/init.c:905:13: warning: no previous prototype for function 'pbmt_init' [-Wmissing-prototypes] void __init pbmt_init(void) ^ arch/riscv/mm/init.c:905:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void __init pbmt_init(void) ^ static 1 warning generated.
vim +/pbmt_init +905 arch/riscv/mm/init.c
903 904 #ifdef CONFIG_64BIT > 905 void __init pbmt_init(void) 906 { 907 struct device_node *cpu; 908 909 cpu = of_find_node_by_path("/cpus"); 910 if (!cpu || of_property_read_bool(cpu, "pbmt-extension")) 911 return; 912 913 memset(&__riscv_pbmt, 0, sizeof(__riscv_pbmt)); 914 } 915 #endif 916
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