Hi "Aneesh,
I love your patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on linux-nvdimm/libnvdimm-for-next scottwood/next
v5.7-rc7]
[cannot apply to next-20200529]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url:
https://github.com/0day-ci/linux/commits/Aneesh-Kumar-K-V/Support-new-pmem-flush-and-sync-instructions-for-POWER/20200531-062841
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-ppc6xx_defconfig (attached as .config)
compiler: powerpc-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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
All errors (new ones prefixed by >>, old ones prefixed by <<):
In file included from arch/powerpc/include/asm/asm-prototypes.h:12,
from arch/powerpc/kernel/early_32.c:11:
arch/powerpc/include/asm/cacheflush.h: In function 'arch_pmem_flush_barrier':
arch/powerpc/include/asm/cacheflush.h:126:6: error: implicit declaration of
function 'cpu_has_feature'; did you mean 'mmu_has_feature'?
[-Werror=implicit-function-declaration]
126 | if (cpu_has_feature(CPU_FTR_ARCH_207S))
| ^~~
| mmu_has_feature
In file included from arch/powerpc/include/asm/cputhreads.h:7,
from arch/powerpc/include/asm/mmu_context.h:12,
from arch/powerpc/include/asm/asm-prototypes.h:17,
from arch/powerpc/kernel/early_32.c:11:
arch/powerpc/include/asm/cpu_has_feature.h: At top level:
>> arch/powerpc/include/asm/cpu_has_feature.h:49:20: error: conflicting types
>> for 'cpu_has_feature'
49 | static inline bool cpu_has_feature(unsigned long feature)
|^~~
In file included from arch/powerpc/include/asm/asm-prototypes.h:12,
from arch/powerpc/kernel/early_32.c:11:
arch/powerpc/include/asm/cacheflush.h:126:6: note: previous implicit
declaration of 'cpu_has_feature' was here
126 | if (cpu_has_feature(CPU_FTR_ARCH_207S))
| ^~~
cc1: all warnings being treated as errors
vim +/cpu_has_feature +49 arch/powerpc/include/asm/cpu_has_feature.h
c812c7d8f1470a Aneesh Kumar K.V 2016-07-23 38
4db7327194dba0 Kevin Hao2016-07-23 39 if (CPU_FTRS_ALWAYS &
feature)
4db7327194dba0 Kevin Hao2016-07-23 40 return true;
4db7327194dba0 Kevin Hao2016-07-23 41
4db7327194dba0 Kevin Hao2016-07-23 42 if (!(CPU_FTRS_POSSIBLE
& feature))
4db7327194dba0 Kevin Hao2016-07-23 43 return false;
4db7327194dba0 Kevin Hao2016-07-23 44
4db7327194dba0 Kevin Hao2016-07-23 45 i =
__builtin_ctzl(feature);
4db7327194dba0 Kevin Hao2016-07-23 46 return
static_branch_likely(_feature_keys[i]);
4db7327194dba0 Kevin Hao2016-07-23 47 }
4db7327194dba0 Kevin Hao2016-07-23 48 #else
b92a226e528423 Kevin Hao2016-07-23 @49 static inline bool
cpu_has_feature(unsigned long feature)
b92a226e528423 Kevin Hao2016-07-23 50 {
b92a226e528423 Kevin Hao2016-07-23 51 return
early_cpu_has_feature(feature);
b92a226e528423 Kevin Hao2016-07-23 52 }
4db7327194dba0 Kevin Hao2016-07-23 53 #endif
b92a226e528423 Kevin Hao2016-07-23 54
:: The code at line 49 was first introduced by commit
:: b92a226e528423b8d249dd09bb450d53361fbfcb powerpc: Move cpu_has_feature()
to a separate file
:: TO: Kevin Hao
:: CC: Michael Ellerman
---
0-DAY CI Kernel Test Service, Intel Corporation
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