Re: [PATCH 08/11] vfio: Enable cdev noiommu mode under iommufd

[kernel test robot]

Hi Jacob,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v7.0-rc1 next-20260227]
[cannot apply to awilliam-vfio/next awilliam-vfio/for-linus]
[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/Jacob-Pan/iommufd-Support-a-HWPT-without-an-iommu-driver-for-noiommu/20260228-020145
base:   linus/master
patch link:    https://lore.kernel.org/r/20260227175247.26103-9-jacob.pan%40linux.microsoft.com
patch subject: [PATCH 08/11] vfio: Enable cdev noiommu mode under iommufd
config: i386-buildonly-randconfig-001-20260228 (https://download.01.org/0day-ci/archive/20260228/202602280846.BaUZcBnS-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260228/202602280846.BaUZcBnS-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/202602280846.BaUZcBnS-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: iommu_put_pages_list
   >>> referenced by iommu_pt.h:768 (drivers/iommu/generic_pt/fmt/../iommu_pt.h:768)
   >>>               drivers/iommu/generic_pt/fmt/iommu_amdv1.o:(pt_iommu_amdv1_map_pages) in archive vmlinux.a
   >>> referenced by iommu_pt.h:768 (drivers/iommu/generic_pt/fmt/../iommu_pt.h:768)
   >>>               drivers/iommu/generic_pt/fmt/iommu_amdv1.o:(pt_iommu_amdv1_map_pages) in archive vmlinux.a
   >>> referenced by iommu_pt.h:768 (drivers/iommu/generic_pt/fmt/../iommu_pt.h:768)
   >>>               drivers/iommu/generic_pt/fmt/iommu_amdv1.o:(pt_iommu_amdv1_map_pages) in archive vmlinux.a
   >>> referenced 1 more times

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for IOMMU_PT
   Depends on [n]: IOMMU_SUPPORT [=n] && GENERIC_PT [=y]
   Selected by [y]:
   - VFIO_NOIOMMU [=y] && VFIO [=y] && VFIO_GROUP [=y]

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