Re: [PATCH] papr/scm: Add bad memory ranges to nvdimm bad ranges

[kbuild test robot <lkp@intel.com>]

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Hi Santosh,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.7-rc1 next-20200412]
[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/Santosh-Sivaraj/papr-scm-Add-bad-memory-ranges-to-nvdimm-bad-ranges/20200401-171233
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allyesconfig (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
        # save the attached .config to linux build tree
        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 >>):

   arch/powerpc/platforms/pseries/papr_scm.c: In function 'papr_scm_init':
>> arch/powerpc/platforms/pseries/papr_scm.c:584:3: error: implicit declaration of function 'mce_register_notifier'; did you mean 'bus_register_notifier'? [-Werror=implicit-function-declaration]
     584 |   mce_register_notifier(&mce_ue_nb);
         |   ^~~~~~~~~~~~~~~~~~~~~
         |   bus_register_notifier
   arch/powerpc/platforms/pseries/papr_scm.c: In function 'papr_scm_exit':
>> arch/powerpc/platforms/pseries/papr_scm.c:592:2: error: implicit declaration of function 'mce_unregister_notifier'; did you mean 'bus_unregister_notifier'? [-Werror=implicit-function-declaration]
     592 |  mce_unregister_notifier(&mce_ue_nb);
         |  ^~~~~~~~~~~~~~~~~~~~~~~
         |  bus_unregister_notifier
   cc1: some warnings being treated as errors

vim +584 arch/powerpc/platforms/pseries/papr_scm.c

   577	
   578	static int __init papr_scm_init(void)
   579	{
   580		int ret;
   581	
   582		ret = platform_driver_register(&papr_scm_driver);
   583		if (!ret)
 > 584			mce_register_notifier(&mce_ue_nb);
   585	
   586		return ret;
   587	}
   588	module_init(papr_scm_init);
   589	
   590	static void __exit papr_scm_exit(void)
   591	{
 > 592		mce_unregister_notifier(&mce_ue_nb);
   593		platform_driver_unregister(&papr_scm_driver);
   594	}
   595	module_exit(papr_scm_exit);
   596	

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

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