[linux-review:UPDATE-20200516-195607/Jordan-Niethe/Initial-Prefixed-Instruction-support/20200506-171736 24/30] arch/powerpc/lib/code-patching.c:708:8: error: implicit declaration of function 'ppc_inst_prefix'; did you mean 'ppc_inst_read'?

[linux-review:UPDATE-20200516-195607/Jordan-Niethe/Initial-Prefixed-Instruction-support/20200506-171736 24/30] arch/powerpc/lib/code-patching.c:708:8: error: implicit declaration of function 'ppc_inst_prefix'; did you mean 'ppc_inst_read'?

[kbuild test robot]

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tree:   https://github.com/0day-ci/linux/commits/UPDATE-20200516-195607/Jordan-Niethe/Initial-Prefixed-Instruction-support/20200506-171736
head:   dae797aa7e7f8d885f42df4c29129e8135bc7b1c
commit: 31f742bb39071e0fddf791ddb8dc998312c5bca0 [24/30] powerpc: Test prefixed code patching
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-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
        git checkout 31f742bb39071e0fddf791ddb8dc998312c5bca0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

arch/powerpc/lib/code-patching.c: In function 'test_prefixed_patching':
>> arch/powerpc/lib/code-patching.c:708:8: error: implicit declaration of function 'ppc_inst_prefix'; did you mean 'ppc_inst_read'? [-Werror=implicit-function-declaration]
708 |        ppc_inst_prefix(OP_PREFIX << 26, 0x00000000),
|        ^~~~~~~~~~~~~~~
|        ppc_inst_read
>> arch/powerpc/lib/code-patching.c:708:24: error: 'OP_PREFIX' undeclared (first use in this function); did you mean 'FSCR_PREFIX'?
708 |        ppc_inst_prefix(OP_PREFIX << 26, 0x00000000),
|                        ^~~~~~~~~
|                        FSCR_PREFIX
arch/powerpc/lib/code-patching.c:708:24: note: each undeclared identifier is reported only once for each function it appears in
cc1: all warnings being treated as errors

vim +708 arch/powerpc/lib/code-patching.c

   699	
   700	#ifdef __powerpc64__
   701	static void __init test_prefixed_patching(void)
   702	{
   703		extern unsigned int code_patching_test1[];
   704		extern unsigned int code_patching_test1_expected[];
   705		extern unsigned int end_code_patching_test1[];
   706	
   707		__patch_instruction((struct ppc_inst *)code_patching_test1,
 > 708				    ppc_inst_prefix(OP_PREFIX << 26, 0x00000000),
   709				    (struct ppc_inst *)code_patching_test1);
   710	
   711		check(!memcmp(code_patching_test1,
   712			      code_patching_test1_expected,
   713			      sizeof(unsigned int) *
   714			      (end_code_patching_test1 - code_patching_test1)));
   715	}
   716	#endif
   717	

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

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