arch/mips/include/asm/mach-ip27/topology.h:19:7: error: implicit declaration of function 'hub_data'

[kernel test robot <lkp@intel.com>]

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Hi Mike,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   df2fbf5bfa0e7fff8b4784507e4d68f200454318
commit: 397dc00e249ec64e106374565575dd0eb7e25998 mips: sgi-ip27: switch from DISCONTIGMEM to SPARSEMEM
date:   8 months ago
:::::: branch date: 16 hours ago
:::::: commit date: 8 months ago
config: mips-randconfig-c021-20200612 (attached as .config)
compiler: mips64-linux-gcc (GCC) 9.3.0

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

All error/warnings (new ones prefixed by >>, old 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:
arch/mips/include/asm/mach-ip27/topology.h:25:39: error: 'MAX_COMPACT_NODES' undeclared here (not in a function)
25 | extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
|                                       ^~~~~~~~~~~~~~~~~
include/linux/topology.h: In function 'numa_node_id':
>> arch/mips/include/asm/mach-ip27/topology.h:16:27: error: implicit declaration of function 'cputonasid' [-Werror=implicit-function-declaration]
16 | #define cpu_to_node(cpu) (cputonasid(cpu))
|                           ^~~~~~~~~~
>> include/linux/topology.h:119:9: note: in expansion of macro 'cpu_to_node'
119 |  return cpu_to_node(raw_smp_processor_id());
|         ^~~~~~~~~~~
include/linux/topology.h: In function 'cpu_cpu_mask':
>> arch/mips/include/asm/mach-ip27/topology.h:19:7: error: implicit declaration of function 'hub_data' [-Werror=implicit-function-declaration]
19 |      &hub_data(node)->h_cpus)
|       ^~~~~~~~
include/linux/topology.h:227:9: note: in expansion of macro 'cpumask_of_node'
227 |  return cpumask_of_node(cpu_to_node(cpu));
|         ^~~~~~~~~~~~~~~
>> arch/mips/include/asm/mach-ip27/topology.h:19:21: error: invalid type argument of '->' (have 'int')
19 |      &hub_data(node)->h_cpus)
|                     ^~
include/linux/topology.h:227:9: note: in expansion of macro 'cpumask_of_node'
227 |  return cpumask_of_node(cpu_to_node(cpu));
|         ^~~~~~~~~~~~~~~
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: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:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
334 | void output_pm_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:414: 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=397dc00e249ec64e106374565575dd0eb7e25998
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 397dc00e249ec64e106374565575dd0eb7e25998
vim +/hub_data +19 arch/mips/include/asm/mach-ip27/topology.h

cc6e8e0812cf95 include/asm-mips/mach-ip27/topology.h      Ralf Baechle        2007-10-11  15  
4bf841ebf17aaa arch/mips/include/asm/mach-ip27/topology.h Thomas Bogendoerfer 2019-10-03 @16  #define cpu_to_node(cpu)	(cputonasid(cpu))
d797396f3387c5 arch/mips/include/asm/mach-ip27/topology.h Anton Blanchard     2010-01-06  17  #define cpumask_of_node(node)	((node) == -1 ?				\
d797396f3387c5 arch/mips/include/asm/mach-ip27/topology.h Anton Blanchard     2010-01-06  18  				 cpu_all_mask :				\
d797396f3387c5 arch/mips/include/asm/mach-ip27/topology.h Anton Blanchard     2010-01-06 @19  				 &hub_data(node)->h_cpus)
9dbdfce85c165f include/asm-mips/mach-ip27/topology.h      Ralf Baechle        2005-09-15  20  struct pci_bus;
9dbdfce85c165f include/asm-mips/mach-ip27/topology.h      Ralf Baechle        2005-09-15  21  extern int pcibus_to_node(struct pci_bus *);
9dbdfce85c165f include/asm-mips/mach-ip27/topology.h      Ralf Baechle        2005-09-15  22  

:::::: The code at line 19 was first introduced by commit
:::::: d797396f3387c5be8f63fcc8e9be98bb884ea86a MIPS: cpumask_of_node() should handle -1 as a node

:::::: TO: Anton Blanchard <anton@samba.org>
:::::: CC: Ralf Baechle <ralf@linux-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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