* [arnd-playground:headers-clean-test 16/30] include/linux/mm.h:1301:9: error: implicit declaration of function 'cpu_to_node'; did you mean 'xa_to_node'?
@ 2020-06-02 12:16 kbuild test robot
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From: kbuild test robot @ 2020-06-02 12:16 UTC (permalink / raw)
To: kbuild-all
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git headers-clean-test
head: a25b75e508f3199f82d682ff1c5d6968d3286581
commit: 4eaf840b05e34b4e1231e067faacdb04500efd2f [16/30] missing
config: s390-allyesconfig (attached as .config)
compiler: s390-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 4eaf840b05e34b4e1231e067faacdb04500efd2f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
All error/warnings (new ones prefixed by >>, old ones prefixed by <<):
In file included from include/linux/kvm_host.h:14,
from arch/s390/kernel/asm-offsets.c:11:
include/linux/mm.h: In function 'cpupid_to_nid':
>> include/linux/mm.h:1301:9: error: implicit declaration of function 'cpu_to_node'; did you mean 'xa_to_node'? [-Werror=implicit-function-declaration]
1301 | return cpu_to_node(cpupid_to_cpu(cpupid));
| ^~~~~~~~~~~
| xa_to_node
In file included from include/linux/topology.h:36,
from include/linux/gfp.h:9,
from include/linux/skbuff.h:22,
from include/linux/if_ether.h:19,
from arch/s390/include/asm/diag.h:12,
from arch/s390/include/asm/kvm_para.h:25,
from include/uapi/linux/kvm_para.h:36,
from include/linux/kvm_para.h:5,
from include/linux/kvm_host.h:32,
from arch/s390/kernel/asm-offsets.c:11:
arch/s390/include/asm/topology.h: At top level:
>> arch/s390/include/asm/topology.h:74:21: error: static declaration of 'cpu_to_node' follows non-static declaration
74 | #define cpu_to_node cpu_to_node
| ^~~~~~~~~~~
>> arch/s390/include/asm/topology.h:75:19: note: in expansion of macro 'cpu_to_node'
75 | static inline int cpu_to_node(int cpu)
| ^~~~~~~~~~~
In file included from include/linux/kvm_host.h:14,
from arch/s390/kernel/asm-offsets.c:11:
include/linux/mm.h:1301:9: note: previous implicit declaration of 'cpu_to_node' was here
1301 | return cpu_to_node(cpupid_to_cpu(cpupid));
| ^~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:110: arch/s390/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1177: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
vim +1301 include/linux/mm.h
b795854b1fa70f6 Mel Gorman 2013-10-07 1298
90572890d202527 Peter Zijlstra 2013-10-07 1299 static inline int cpupid_to_nid(int cpupid)
b795854b1fa70f6 Mel Gorman 2013-10-07 1300 {
90572890d202527 Peter Zijlstra 2013-10-07 @1301 return cpu_to_node(cpupid_to_cpu(cpupid));
b795854b1fa70f6 Mel Gorman 2013-10-07 1302 }
b795854b1fa70f6 Mel Gorman 2013-10-07 1303
:::::: The code at line 1301 was first introduced by commit
:::::: 90572890d202527c366aa9489b32404e88a7c020 mm: numa: Change page last {nid,pid} into {cpu,pid}
:::::: TO: Peter Zijlstra <peterz@infradead.org>
:::::: CC: Ingo Molnar <mingo@kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2020-06-02 12:16 [arnd-playground:headers-clean-test 16/30] include/linux/mm.h:1301:9: error: implicit declaration of function 'cpu_to_node'; did you mean 'xa_to_node'? kbuild test robot
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