Re: [PATCH v8 03/15] s390/vfio-ap: Functions to initialize/release vfio device migration data

From: kernel test robot

Date: Fri Oct 09 2026 - 20:38:00 EST


Hi Anthony,

kernel test robot noticed the following build warnings:

[auto build test WARNING on kvms390/next]
[also build test WARNING on s390/features mst-vhost/linux-next linus/master v7.3-rc6 next-20261008]
[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/Anthony-Krowiak/s390-vfio-ap-Provide-function-to-get-the-number-of-queues-assigned-to-mdev/20261009-074230
base: https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git next
patch link: https://lore.kernel.org/r/20261009114244.1213173-4-akrowiak%40linux.ibm.com
patch subject: [PATCH v8 03/15] s390/vfio-ap: Functions to initialize/release vfio device migration data
config: s390-defconfig (https://download.01.org/0day-ci/archive/20261010/202610100839.nL7HIPrm-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261010/202610100839.nL7HIPrm-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/202610100839.nL7HIPrm-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> Warning: drivers/s390/crypto/vfio_ap_migration.c:238 function parameter 'matrix_mdev' not described in 'vfio_ap_release_migration_data'
>> Warning: drivers/s390/crypto/vfio_ap_migration.c:238 Excess function parameter 'vdev' description in 'vfio_ap_release_migration_data'
>> Warning: drivers/s390/crypto/vfio_ap_migration.c:238 function parameter 'matrix_mdev' not described in 'vfio_ap_release_migration_data'
>> Warning: drivers/s390/crypto/vfio_ap_migration.c:238 Excess function parameter 'vdev' description in 'vfio_ap_release_migration_data'

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki