[powerpc:next-test 125/127] arch/powerpc/mm/book3s64/pkeys.c:392:7: error: implicit declaration of function 'is_pkey_enabled'; did you mean

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test
head:   0fbd1eb4df96e1cbd039e0b95fdf62cf65a7faf9
commit: ed411c66eea2ccf93a634ae661a1f79c2bc63d88 [125/127] powerpc/book3s64/pkeys: Remove is_pkey_enabled()
config: powerpc-allmodconfig (attached as .config)
compiler: powerpc64-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 ed411c66eea2ccf93a634ae661a1f79c2bc63d88
        # 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: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   arch/powerpc/mm/book3s64/pkeys.c: In function 'pkey_access_permitted':
>> arch/powerpc/mm/book3s64/pkeys.c:392:7: error: implicit declaration of function 'is_pkey_enabled'; did you mean 'arch_pkeys_enabled'? [-Werror=implicit-function-declaration]
     392 |  if (!is_pkey_enabled(pkey))
         |       ^~~~~~~~~~~~~~~
         |       arch_pkeys_enabled
   cc1: some warnings being treated as errors

vim +392 arch/powerpc/mm/book3s64/pkeys.c

f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  386  
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  387  static bool pkey_access_permitted(int pkey, bool write, bool execute)
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  388  {
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  389  	int pkey_shift;
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  390  	u64 amr;
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  391  
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18 @392  	if (!is_pkey_enabled(pkey))
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  393  		return true;
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  394  
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  395  	pkey_shift = pkeyshift(pkey);
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  396  	if (execute && !(read_iamr() & (IAMR_EX_BIT << pkey_shift)))
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  397  		return true;
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  398  
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  399  	amr = read_amr(); /* Delay reading amr until absolutely needed */
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  400  	return ((!write && !(amr & (AMR_RD_BIT << pkey_shift))) ||
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  401  		(write &&  !(amr & (AMR_WR_BIT << pkey_shift))));
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  402  }
f2407ef3ba2256 arch/powerpc/mm/pkeys.c Ram Pai 2018-01-18  403  

:::::: The code at line 392 was first introduced by commit
:::::: f2407ef3ba225665ee24965f69bc84435fb590cf powerpc: helper to validate key-access permissions of a pte

:::::: TO: Ram Pai <linuxram at us.ibm.com>
:::::: CC: Michael Ellerman <mpe at ellerman.id.au>

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