[android-common:android16-6.12 0/2] arch/x86/kvm/../../../virt/kvm/vfio.c:130:undefined reference to `vfio_file_iommu_group'

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

tree:   https://android.googlesource.com/kernel/common android16-6.12
head:   879c70c908047abb1d46fd4ff9192626df8e33d3
commit: e43f03eb172d7e8ecac55bc3f9547c18f436ea82 [0/2] ANDROID: drivers/vfio: Call KVM directly
config: i386-randconfig-051-20260219 (https://download.01.org/0day-ci/archive/20260220/202602201521.87mIuAz7-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260220/202602201521.87mIuAz7-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/202602201521.87mIuAz7-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: virt/kvm/vfio.o: in function `kvm_vfio_file_iommu_group':
>> arch/x86/kvm/../../../virt/kvm/vfio.c:130:(.text+0x24b): undefined reference to `vfio_file_iommu_group'
>> ld: arch/x86/kvm/../../../virt/kvm/vfio.c:130:(.text+0x433): undefined reference to `vfio_file_iommu_group'
   ld: arch/x86/kvm/../../../virt/kvm/vfio.c:130:(.text+0x5c1): undefined reference to `vfio_file_iommu_group'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for BALLOON_COMPACTION
   Depends on [n]: COMPACTION [=n] && MEMORY_BALLOON [=y]
   Selected by [y]:
   - GKI_HIDDEN_MM_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for CAN_RX_OFFLOAD
   Depends on [n]: NETDEVICES [=y] && CAN_DEV [=n] && CAN_NETLINK [=n]
   Selected by [y]:
   - GKI_HIDDEN_MCP251XFD_CONFIGS [=y]


vim +130 arch/x86/kvm/../../../virt/kvm/vfio.c

   125	
   126	static struct iommu_group *kvm_vfio_file_iommu_group(struct file *file)
   127	{
   128		/* See kvm_vfio_file_set_kvm() */
   129	#if IS_BUILTIN(CONFIG_VFIO)
 > 130		return vfio_file_iommu_group(file);
   131	#else
   132		struct iommu_group *(*fn)(struct file *file);
   133		struct iommu_group *ret;
   134	
   135		fn = symbol_get(vfio_file_iommu_group);
   136		if (!fn)
   137			return NULL;
   138	
   139		ret = fn(file);
   140	
   141		symbol_put(vfio_file_iommu_group);
   142	
   143		return ret;
   144	#endif
   145	}
   146	

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