arch/powerpc/include/asm/book3s/32/pgtable.h:606:9: sparse: this was the original definition

arch/powerpc/include/asm/book3s/32/pgtable.h:606:9: sparse: this was the original definition

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   148842c98a24e508aecb929718818fbf4c2a6ff3
commit: a07a63b0e24dd1316d11427601a9f83dc955bb40 video: fbdev: controlfb: add COMPILE_TEST support
date:   8 months ago
:::::: branch date: 15 hours ago
:::::: commit date: 8 months ago
config: powerpc64-randconfig-s032-20201215 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-184-g1b896707-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a07a63b0e24dd1316d11427601a9f83dc955bb40
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout a07a63b0e24dd1316d11427601a9f83dc955bb40
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc64 

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


"sparse warnings: (new ones prefixed by >>)"
   drivers/video/fbdev/controlfb.c:69:9: sparse: sparse: preprocessor token pgprot_cached_wthru redefined
   drivers/video/fbdev/controlfb.c: note: in included file (through arch/powerpc/include/asm/book3s/pgtable.h, arch/powerpc/include/asm/pgtable.h, include/linux/mm.h):
>> arch/powerpc/include/asm/book3s/32/pgtable.h:606:9: sparse: this was the original definition

vim +606 arch/powerpc/include/asm/book3s/32/pgtable.h

1ca7212932862e3 Aneesh Kumar K.V 2015-12-01  605  
1ca7212932862e3 Aneesh Kumar K.V 2015-12-01 @606  #define pgprot_cached_wthru pgprot_cached_wthru
1ca7212932862e3 Aneesh Kumar K.V 2015-12-01  607  static inline pgprot_t pgprot_cached_wthru(pgprot_t prot)
1ca7212932862e3 Aneesh Kumar K.V 2015-12-01  608  {
1ca7212932862e3 Aneesh Kumar K.V 2015-12-01  609  	return __pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) |
1ca7212932862e3 Aneesh Kumar K.V 2015-12-01  610  			_PAGE_COHERENT | _PAGE_WRITETHRU);
1ca7212932862e3 Aneesh Kumar K.V 2015-12-01  611  }
1ca7212932862e3 Aneesh Kumar K.V 2015-12-01  612  

:::::: The code at line 606 was first introduced by commit
:::::: 1ca7212932862e348f2f9307f35bd309a7da82d8 powerpc/mm: Move PTE bits from generic functions to hash64 functions.

:::::: TO: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>

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

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