Re: [PATCH printk v1] printk: ringbuffer: Add KUnit test

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

Hi John,

kernel test robot noticed the following build errors:

[auto build test ERROR on rust/rust-next]
[also build test ERROR on linus/master v6.12 next-20241122]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/John-Ogness/printk-ringbuffer-Add-KUnit-test/20241121-225731
base:   https://github.com/Rust-for-Linux/linux rust-next
patch link:    https://lore.kernel.org/r/20241121145034.123367-1-john.ogness%40linutronix.de
patch subject: [PATCH printk v1] printk: ringbuffer: Add KUnit test
config: i386-randconfig-141-20241122 (https://download.01.org/0day-ci/archive/20241123/202411230506.L5KQdiGm-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241123/202411230506.L5KQdiGm-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411230506.L5KQdiGm-lkp@intel.com/

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

>> ERROR: modpost: "__udivdi3" [kernel/printk/printk_ringbuffer_test.ko] undefined!

-- 
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https://github.com/intel/lkp-tests/wiki