Re: [PATCH 2/2] iommufd/selftest: Use normal IOMMU registration

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

Hi Robin,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20231128]
[cannot apply to joro-iommu/next v6.7-rc3 v6.7-rc2 v6.7-rc1 linus/master v6.7-rc4]
[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/Robin-Murphy/iommufd-selftest-Use-a-fwnode-to-distinguish-devices/20231128-185058
base:   next-20231128
patch link:    https://lore.kernel.org/r/44ee6854da69e86b208f49752f60a4c18205c32a.1701165201.git.robin.murphy%40arm.com
patch subject: [PATCH 2/2] iommufd/selftest: Use normal IOMMU registration
config: parisc-allmodconfig (https://download.01.org/0day-ci/archive/20231206/202312061310.UufAZ5vQ-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312061310.UufAZ5vQ-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/202312061310.UufAZ5vQ-lkp@intel.com/

All errors (new ones prefixed by >>):

   hppa-linux-ld: drivers/iommu/iommufd/selftest.o: in function `iommufd_bus_init':
>> (.init.text+0x10): multiple definition of `init_module'; drivers/iommu/iommufd/main.o:(.init.text+0x10): first defined here

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