Hi "Aneesh,
I love your patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.7-rc7 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/powerpc-pmem-Re...
base:
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-randconfig-r016-20200529 (attached as .config)
compiler: clang version 11.0.0 (
https://github.com/llvm/llvm-project
2d068e534f1671459e1b135852c1b3c10502e929)
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 powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>, old ones prefixed by <<):
> arch/powerpc/lib/pmem.c:44:6: error: implicit declaration of
function 'cpu_has_feature' [-Werror,-Wimplicit-function-declaration]
if
(cpu_has_feature(CPU_FTR_ARCH_207S))
^
arch/powerpc/lib/pmem.c:44:6: note: did you mean 'mmu_has_feature'?
arch/powerpc/include/asm/mmu.h:234:20: note: 'mmu_has_feature' declared here
static inline bool mmu_has_feature(unsigned long feature)
^
arch/powerpc/lib/pmem.c:50:6: error: implicit declaration of function
'cpu_has_feature' [-Werror,-Wimplicit-function-declaration]
if (cpu_has_feature(CPU_FTR_ARCH_207S))
^
arch/powerpc/lib/pmem.c:57:6: warning: no previous prototype for function
'arch_wb_cache_pmem' [-Wmissing-prototypes]
void arch_wb_cache_pmem(void *addr, size_t size)
^
arch/powerpc/lib/pmem.c:57:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
void arch_wb_cache_pmem(void *addr, size_t size)
^
static
arch/powerpc/lib/pmem.c:64:6: warning: no previous prototype for function
'arch_invalidate_pmem' [-Wmissing-prototypes]
void arch_invalidate_pmem(void *addr, size_t size)
^
arch/powerpc/lib/pmem.c:64:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
void arch_invalidate_pmem(void *addr, size_t size)
^
static
2 warnings and 2 errors generated.
vim +/cpu_has_feature +44 arch/powerpc/lib/pmem.c
41
42 static inline void clean_pmem_range(unsigned long start, unsigned long stop)
43 {
44 if (cpu_has_feature(CPU_FTR_ARCH_207S))
45 return
__clean_pmem_range(start, stop);
46 }
47
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org