Re: [PATCH v2] comedi: Flush partial mappings in error case

[Jann Horn]

On Wed, Oct 16, 2024 at 8:36 PM kernel test robot <lkp@xxxxxxxxx> wrote:
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on 6485cf5ea253d40d507cd71253c9568c5470cd27]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Jann-Horn/comedi-Flush-partial-mappings-in-error-case/20241016-022809
> base:   6485cf5ea253d40d507cd71253c9568c5470cd27
> patch link:    https://lore.kernel.org/r/20241015-comedi-tlb-v2-1-cafb0e27dd9a%40google.com
> patch subject: [PATCH v2] comedi: Flush partial mappings in error case
> config: m68k-randconfig-r071-20241016 (https://download.01.org/0day-ci/archive/20241017/202410170234.hthSWOJg-lkp@xxxxxxxxx/config)
> compiler: m68k-linux-gcc (GCC) 14.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241017/202410170234.hthSWOJg-lkp@xxxxxxxxx/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@xxxxxxxxx>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202410170234.hthSWOJg-lkp@xxxxxxxxx/
>
> All errors (new ones prefixed by >>, old ones prefixed by <<):
>
> WARNING: modpost: missing MODULE_DESCRIPTION() in lib/slub_kunit.o
> >> ERROR: modpost: "zap_vma_ptes" [drivers/comedi/comedi.ko] undefined!

And this one is also a nommu build, so I guess it's the same problem
as https://lore.kernel.org/r/202410170111.K30oyTWa-lkp@xxxxxxxxx even
though the error is different.