[android-common:android16-6.12-p3s 1/1] arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:322:9: error: implicit declaration of function '_iommu_iotlb_add_page'; did you mean 'iommu_iotlb_gather_add_page'?

[android-common:android16-6.12-p3s 1/1] arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:322:9: error: implicit declaration of function '_iommu_iotlb_add_page'; did you mean 'iommu_iotlb_gather_add_page'?

[kernel test robot]

Hi Mostafa,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android16-6.12-p3s
head:   19f89117d8d335493422e7d44b06d1cd97f0279a
commit: 561f9e328538b6f1abb7b17faae3db6505172925 [1/1] BACKPORT: FROMLIST: KVM: arm64: iommu: support iommu_iotlb_gather
config: arm64-randconfig-r2108-20261030 (https://download.01.org/0day-ci/archive/20261030/202610300753.NDLI2Tec-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261030/202610300753.NDLI2Tec-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/202610300753.NDLI2Tec-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/arm64/kvm/hyp/nvhe/iommu/iommu.c: In function 'kvm_iommu_iotlb_gather_add_page':
>> arch/arm64/kvm/hyp/nvhe/iommu/iommu.c:322:9: error: implicit declaration of function '_iommu_iotlb_add_page'; did you mean 'iommu_iotlb_gather_add_page'? [-Werror=implicit-function-declaration]
     322 |         _iommu_iotlb_add_page(domain, gather, iova, size, kvm_iommu_iotlb_sync);
         |         ^~~~~~~~~~~~~~~~~~~~~
         |         iommu_iotlb_gather_add_page
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for USB_PHY
   Depends on [n]: USB_SUPPORT [=n]
   Selected by [y]:
   - GKI_HIDDEN_USB_CONFIGS [=y] && 64BIT [=y]
   WARNING: unmet direct dependencies detected for DRM_MIPI_DSI
   Depends on [n]: HAS_IOMEM [=y] && DRM [=n]
   Selected by [y]:
   - GKI_HIDDEN_DRM_CONFIGS [=y] && 64BIT [=y]


vim +322 arch/arm64/kvm/hyp/nvhe/iommu/iommu.c

   316	
   317	void kvm_iommu_iotlb_gather_add_page(struct kvm_hyp_iommu_domain *domain,
   318					     struct iommu_iotlb_gather *gather,
   319					     unsigned long iova,
   320					     size_t size)
   321	{
 > 322		_iommu_iotlb_add_page(domain, gather, iova, size, kvm_iommu_iotlb_sync);
   323	}
   324	

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