Hi Rafael, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d3d45f8220d60a0b2aaaacf8fb2be4e6ffd9008e commit: 5b5642075c317e67ea342a2fb8023a8e754a5002 Merge branches 'pm-em' and 'pm-core' date: 9 weeks ago config: mips-randconfig-r024-20201003 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bcd05599d0e53977a963799d6ee4f6e0bc21331b) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5b5642075c317e67ea342a2fb8023a8e754a5002 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 5b5642075c317e67ea342a2fb8023a8e754a5002 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All errors (new ones prefixed by >>): clang-12: warning: argument unused during compilation: '-mno-branch-likely' [-Wunused-command-line-argument] clang-12: warning: argument unused during compilation: '-mno-branch-likely' [-Wunused-command-line-argument] In file included from arch/mips/kernel/asm-offsets.c:12: In file included from include/linux/compat.h:15: In file included from include/linux/socket.h:8: In file included from include/linux/uio.h:10: In file included from include/crypto/hash.h:11: In file included from include/linux/crypto.h:19: In file included from include/linux/slab.h:15: In file included from include/linux/gfp.h:9: include/linux/topology.h:119:9: error: implicit declaration of function 'cpu_logical_map' [-Werror,-Wimplicit-function-declaration] return cpu_to_node(raw_smp_processor_id()); ^ arch/mips/include/asm/mach-loongson64/topology.h:7:27: note: expanded from macro 'cpu_to_node' #define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2) ^ In file included from arch/mips/kernel/asm-offsets.c:12: In file included from include/linux/compat.h:15: In file included from include/linux/socket.h:8: In file included from include/linux/uio.h:10: In file included from include/crypto/hash.h:11: In file included from include/linux/crypto.h:19: In file included from include/linux/slab.h:15: In file included from include/linux/gfp.h:9: include/linux/topology.h:176:9: error: implicit declaration of function 'cpu_logical_map' [-Werror,-Wimplicit-function-declaration] return cpu_to_node(cpu); ^ arch/mips/include/asm/mach-loongson64/topology.h:7:27: note: expanded from macro 'cpu_to_node' #define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2) ^ In file included from arch/mips/kernel/asm-offsets.c:12: In file included from include/linux/compat.h:15: In file included from include/linux/socket.h:8: In file included from include/linux/uio.h:10: In file included from include/crypto/hash.h:11: In file included from include/linux/crypto.h:19: In file included from include/linux/slab.h:15: In file included from include/linux/gfp.h:9: include/linux/topology.h:210:25: error: implicit declaration of function 'cpu_logical_map' [-Werror,-Wimplicit-function-declaration] return cpumask_of_node(cpu_to_node(cpu)); ^ arch/mips/include/asm/mach-loongson64/topology.h:7:27: note: expanded from macro 'cpu_to_node' #define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2) ^ In file included from arch/mips/kernel/asm-offsets.c:17: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:22: In file included from include/linux/writeback.h:14: In file included from include/linux/blk-cgroup.h:23: In file included from include/linux/blkdev.h:11: In file included from include/linux/genhd.h:36: In file included from include/linux/device.h:16: In file included from include/linux/energy_model.h:10: >> include/linux/sched/topology.h:237:9: error: implicit declaration of >> function 'cpu_logical_map' [-Werror,-Wimplicit-function-declaration] return cpu_to_node(task_cpu(p)); ^ arch/mips/include/asm/mach-loongson64/topology.h:7:27: note: expanded from macro 'cpu_to_node' #define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2) ^ arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for function 'output_ptreg_defines' [-Wmissing-prototypes] void output_ptreg_defines(void) ^ arch/mips/kernel/asm-offsets.c:26:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void output_ptreg_defines(void) ^ static arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for function 'output_task_defines' [-Wmissing-prototypes] void output_task_defines(void) ^ arch/mips/kernel/asm-offsets.c:78:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void output_task_defines(void) ^ static arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for function 'output_thread_info_defines' [-Wmissing-prototypes] void output_thread_info_defines(void) ^ arch/mips/kernel/asm-offsets.c:93:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void output_thread_info_defines(void) ^ static arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for function 'output_thread_defines' [-Wmissing-prototypes] void output_thread_defines(void) ^ arch/mips/kernel/asm-offsets.c:110:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void output_thread_defines(void) ^ static arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for function 'output_thread_fpu_defines' [-Wmissing-prototypes] void output_thread_fpu_defines(void) ^ arch/mips/kernel/asm-offsets.c:138:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void output_thread_fpu_defines(void) ^ static arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for function 'output_mm_defines' [-Wmissing-prototypes] void output_mm_defines(void) ^ arch/mips/kernel/asm-offsets.c:181:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void output_mm_defines(void) ^ static arch/mips/kernel/asm-offsets.c:242:6: warning: no previous prototype for function 'output_sc_defines' [-Wmissing-prototypes] void output_sc_defines(void) ^ arch/mips/kernel/asm-offsets.c:242:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void output_sc_defines(void) ^ static arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for function 'output_signal_defined' [-Wmissing-prototypes] void output_signal_defined(void) ^ arch/mips/kernel/asm-offsets.c:255:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void output_signal_defined(void) ^ static arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for function 'output_kvm_defines' [-Wmissing-prototypes] void output_kvm_defines(void) ^ arch/mips/kernel/asm-offsets.c:348:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void output_kvm_defines(void) ^ static 9 warnings and 4 errors generated. make[2]: *** [scripts/Makefile.build:114: arch/mips/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1175: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:185: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/cpu_logical_map +237 include/linux/sched/topology.h 36a0df85d2e85e1 Thara Gopinath 2020-02-21 234 ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 235 static inline int task_node(const struct task_struct *p) ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 236 { ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 @237 return cpu_to_node(task_cpu(p)); ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 238 } ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 239 :::::: The code at line 237 was first introduced by commit :::::: ee6a3d19f15b9b10075481088b8d4537f286d7b4 sched/headers: Remove the <linux/topology.h> include from <linux/sched.h> :::::: TO: Ingo Molnar <mi...@kernel.org> :::::: CC: Ingo Molnar <mi...@kernel.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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