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Date:   Tue, 18 Aug 2020 12:43:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Paul Burton <paulburton@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/mips/include/asm/mach-loongson64/topology.h:7:27: error:
 implicit declaration of function 'cpu_logical_map'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   06a4ec1d9dc652e17ee3ac2ceb6c7cf6c2b75cdd
commit: 02fce139fd14d3b0126f0a72e8c0a83b5b01f9f5 Merge tag 'mips_fixes_5.4_3' into mips-next
date:   10 months ago
config: mips-randconfig-r033-20200818 (attached as .config)
compiler: mips64el-linux-gcc (GCC) 9.3.0
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
        git checkout 02fce139fd14d3b0126f0a72e8c0a83b5b01f9f5
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from arch/mips/include/asm/topology.h:11,
                    from include/linux/topology.h:36,
                    from include/linux/gfp.h:9,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from include/crypto/hash.h:11,
                    from include/linux/uio.h:10,
                    from include/linux/socket.h:8,
                    from include/linux/compat.h:15,
                    from arch/mips/kernel/asm-offsets.c:12:
   include/linux/topology.h: In function 'numa_node_id':
>> arch/mips/include/asm/mach-loongson64/topology.h:7:27: error: implicit declaration of function 'cpu_logical_map' [-Werror=implicit-function-declaration]
       7 | #define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2)
         |                           ^~~~~~~~~~~~~~~
   include/linux/topology.h:119:9: note: in expansion of macro 'cpu_to_node'
     119 |  return cpu_to_node(raw_smp_processor_id());
         |         ^~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c: At top level:
   arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
      26 | void output_ptreg_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
      78 | void output_task_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
      93 | void output_thread_info_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
     110 | void output_thread_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
     138 | void output_thread_fpu_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
     181 | void output_mm_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:242:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
     242 | void output_sc_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
     255 | void output_signal_defined(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:322:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes]
     322 | void output_pbe_defines(void)
         |      ^~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:348:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
     348 | void output_kvm_defines(void)
         |      ^~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
   make[2]: *** [scripts/Makefile.build:99: arch/mips/kernel/asm-offsets.s] Error 1
   make[2]: Target 'missing-syscalls' not remade because of errors.
   make[1]: *** [arch/mips/Makefile:418: archprepare] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:179: sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=02fce139fd14d3b0126f0a72e8c0a83b5b01f9f5
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 02fce139fd14d3b0126f0a72e8c0a83b5b01f9f5
vim +/cpu_logical_map +7 arch/mips/include/asm/mach-loongson64/topology.h

c46173183657bb arch/mips/include/asm/mach-loongson/topology.h   Huacai Chen 2014-06-26  6  
ec0f8d3fbb7ea1 arch/mips/include/asm/mach-loongson/topology.h   Huacai Chen 2014-11-04 @7  #define cpu_to_node(cpu)	(cpu_logical_map(cpu) >> 2)
1bdb7b76705a38 arch/mips/include/asm/mach-loongson64/topology.h Jiaxun Yang 2019-10-20  8  

:::::: The code at line 7 was first introduced by commit
:::::: ec0f8d3fbb7ea12cfd10083e340381b96e7c34f8 MIPS: Loongson: Allow booting from any core

:::::: TO: Huacai Chen <chenhc@...ote.com>
:::::: CC: Ralf Baechle <ralf@...ux-mips.org>

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

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