[android-common:android17-6.18 2/2] ld.lld: error: undefined symbol: swiotlb_update_mem_attributes

[android-common:android17-6.18 2/2] ld.lld: error: undefined symbol: swiotlb_update_mem_attributes

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android17-6.18
head:   15827c4bafdc766e79e2aba39e39404baabc4673
commit: 81f530a28fb33cd66ad4af454b01c788f14e3619 [2/2] ANDROID: x86/pkvm: Add pkvm guest memory share support
config: i386-randconfig-r2308-20261027 (https://download.01.org/0day-ci/archive/20261028/202610281351.WLyuenvq-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
sparse: v0.6.5-rc1-1-gc4640450
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261028/202610281351.WLyuenvq-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/202610281351.WLyuenvq-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: swiotlb_update_mem_attributes
   >>> referenced by mem_encrypt.c:95 (arch/x86/mm/mem_encrypt.c:95)
   >>>               arch/x86/mm/mem_encrypt.o:(mem_encrypt_init) in archive vmlinux.a

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SND_PCM_IEC958
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_SOC_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for IOMMU_SVA
   Depends on [n]: IOMMU_SUPPORT [=n]
   Selected by [y]:
   - GKI_HIDDEN_IOMMU_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_COMPRESS_ACCEL
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_JACK
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_VMASTER
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_JACK_INPUT_DEV
   Depends on [n]: SOUND [=n] && SND [=n] && SND_JACK [=y]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for SND_INTEL_NHLT
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y] && ACPI [=y]
   WARNING: unmet direct dependencies detected for SND_PCM_ELD
   Depends on [n]: SOUND [=n] && SND [=n]
   Selected by [y]:
   - GKI_HIDDEN_SND_CONFIGS [=y]

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https://github.com/intel/lkp-tests/wiki