Hi Manuel,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.9-rc6 next-20161117]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Manuel-Sch-lling/console-Move-scrollback-data-into-its-own-struct/20161121-060257
config: x86_64-randconfig-x018-201647 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/video/console/vgacon.c: In function 'vgacon_scrollback_switch':
>> drivers/video/console/vgacon.c:232:11: error: 
>> 'CONFIG_VGACON_SOFT_SCROLLBACK_PERSISTENT' undeclared (first use in this 
>> function)
     vc_num = CONFIG_VGACON_SOFT_SCROLLBACK_PERSISTENT ? vc_num : 0;
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/video/console/vgacon.c:232:11: note: each undeclared identifier is 
reported only once for each function it appears in

vim +/CONFIG_VGACON_SOFT_SCROLLBACK_PERSISTENT +232 
drivers/video/console/vgacon.c

   226  
   227          vgacon_scrollback_reset(size);
   228  }
   229  
   230  static void vgacon_scrollback_switch(int vc_num)
   231  {
 > 232          vc_num = CONFIG_VGACON_SOFT_SCROLLBACK_PERSISTENT ? vc_num : 0;
   233  
   234          if (!vgacon_scrollbacks[vc_num].data)
   235                  vgacon_scrollback_init(vc_num);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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