Re: [PATCH v10 3/5] locking/qspinlock: Introduce CNA into the slow path of qspinlock

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

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Hi Alex,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/locking/core]
[also build test ERROR on arm/for-next linus/master tip/x86/core v5.6 next-20200404]
[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/Alex-Kogan/Add-NUMA-awareness-to-qspinlock/20200405-045543
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git f1e67e355c2aafeddf1eac31335709236996d2fe
config: i386-alldefconfig (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

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/x86/kernel/alternative.c: In function 'alternative_instructions':
>> arch/x86/kernel/alternative.c:742:2: error: implicit declaration of function 'cna_configure_spin_lock_slowpath' [-Werror=implicit-function-declaration]
     cna_configure_spin_lock_slowpath();
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/cna_configure_spin_lock_slowpath +742 arch/x86/kernel/alternative.c

   741	
 > 742		cna_configure_spin_lock_slowpath();
   743	
   744		apply_paravirt(__parainstructions, __parainstructions_end);
   745	
   746		restart_nmi();
   747		alternatives_patched = 1;
   748	}
   749	

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

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