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

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Message-ID: <CAG48ez050bFWVkVJMzG8b-bCPORRoZ9g=OKYGxS9S+-rOJD6Ng@mail.gmail.com>
Date: Thu, 17 Oct 2024 00:09:53 +0200
From: Jann Horn <jannh@...gle.com>
To: kernel test robot <lkp@...el.com>
Cc: Ian Abbott <abbotti@....co.uk>, H Hartley Sweeten <hsweeten@...ionengravers.com>, 
	Frank Mori Hess <fmh6jj@...il.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org, 
	stable@...r.kernel.org
Subject: Re: [PATCH v2] comedi: Flush partial mappings in error case

On Wed, Oct 16, 2024 at 8:36 PM kernel test robot <lkp@...el.com> 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@intel.com/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@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@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202410170234.hthSWOJg-lkp@intel.com/
>
> 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@intel.com even
though the error is different.