tree: https://github.com/luxis1999/iommufd iommufd-v5.17-rc4 head: 94542ac92f6f23784d73c13b39dc95cc4012181c commit: 047031aaa50c5daed9c24fa0701f7016d4ff6934 [28/56] iommufd: Add a selftest config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220215/202202152214.sfZjnb0v-lk...) compiler: alpha-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/luxis1999/iommufd/commit/047031aaa50c5daed9c24fa0701f7... git remote add luxis1999-iommufd https://github.com/luxis1999/iommufd git fetch --no-tags luxis1999-iommufd iommufd-v5.17-rc4 git checkout 047031aaa50c5daed9c24fa0701f7016d4ff6934 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash drivers/iommu/iommufd/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/iommu/iommufd/selftest.c: In function 'mock_domain_alloc': drivers/iommu/iommufd/selftest.c:69:26: error: assignment to 'const struct iommu_domain_ops *' from incompatible pointer type 'const struct iommu_ops *' [-Werror=incompatible-pointer-types] 69 | mock->domain.ops = &domain_mock_ops; | ^ drivers/iommu/iommufd/selftest.c: At top level: drivers/iommu/iommufd/selftest.c:180:10: error: 'const struct iommu_ops' has no member named 'domain_free' 180 | .domain_free = mock_domain_free, | ^~~~~~~~~~~ drivers/iommu/iommufd/selftest.c:180:24: error: initialization of 'struct iommu_device * (*)(struct device *)' from incompatible pointer type 'void (*)(struct iommu_domain *)' [-Werror=incompatible-pointer-types] 180 | .domain_free = mock_domain_free, | ^~~~~~~~~~~~~~~~ drivers/iommu/iommufd/selftest.c:180:24: note: (near initialization for 'domain_mock_ops.probe_device') drivers/iommu/iommufd/selftest.c:181:10: error: 'const struct iommu_ops' has no member named 'map_pages' 181 | .map_pages = mock_domain_map_pages, | ^~~~~~~~~ drivers/iommu/iommufd/selftest.c:181:22: error: initialization of 'void (*)(struct device *)' from incompatible pointer type 'int (*)(struct iommu_domain *, long unsigned int, phys_addr_t, size_t, size_t, int, gfp_t, size_t *)' {aka 'int (*)(struct iommu_domain *, long unsigned int, long long unsigned int, long unsigned int, long unsigned int, int, unsigned int, long unsigned int *)'} [-Werror=incompatible-pointer-types] 181 | .map_pages = mock_domain_map_pages, | ^~~~~~~~~~~~~~~~~~~~~ drivers/iommu/iommufd/selftest.c:181:22: note: (near initialization for 'domain_mock_ops.release_device') drivers/iommu/iommufd/selftest.c:182:10: error: 'const struct iommu_ops' has no member named 'unmap_pages' 182 | .unmap_pages = mock_domain_unmap_pages, | ^~~~~~~~~~~ drivers/iommu/iommufd/selftest.c:182:24: error: initialization of 'void (*)(struct device *)' from incompatible pointer type 'size_t (*)(struct iommu_domain *, long unsigned int, size_t, size_t, struct iommu_iotlb_gather *)' {aka 'long unsigned int (*)(struct iommu_domain *, long unsigned int, long unsigned int, long unsigned int, struct iommu_iotlb_gather *)'} [-Werror=incompatible-pointer-types] 182 | .unmap_pages = mock_domain_unmap_pages, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/iommu/iommufd/selftest.c:182:24: note: (near initialization for 'domain_mock_ops.probe_finalize') drivers/iommu/iommufd/selftest.c:183:10: error: 'const struct iommu_ops' has no member named 'iova_to_phys' 183 | .iova_to_phys = mock_domain_iova_to_phys, | ^~~~~~~~~~~~ drivers/iommu/iommufd/selftest.c:183:25: error: initialization of 'struct iommu_group * (*)(struct device *)' from incompatible pointer type 'phys_addr_t (*)(struct iommu_domain *, dma_addr_t)' {aka 'long long unsigned int (*)(struct iommu_domain *, long long unsigned int)'} [-Werror=incompatible-pointer-types] 183 | .iova_to_phys = mock_domain_iova_to_phys, | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/iommu/iommufd/selftest.c:183:25: note: (near initialization for 'domain_mock_ops.device_group') drivers/iommu/iommufd/selftest.c: In function 'get_md_pagetable': 198 | if (hwpt->domain->ops != &domain_mock_ops) { | ^~ cc1: some warnings being treated as errors vim +198 drivers/iommu/iommufd/selftest.c 185 186 static inline struct iommufd_hw_pagetable * 187 get_md_pagetable(struct iommufd_ucmd *ucmd, u32 mockpt_id, 188 struct mock_iommu_domain **mock) 189 { 190 struct iommufd_hw_pagetable *hwpt; 191 struct iommufd_object *obj; 192 193 obj = iommufd_get_object(ucmd->ictx, mockpt_id, 194 IOMMUFD_OBJ_HW_PAGETABLE); 195 if (IS_ERR(obj)) 196 return ERR_CAST(obj); 197 hwpt = container_of(obj, struct iommufd_hw_pagetable, obj); 199 return ERR_PTR(-EINVAL); 200 iommufd_put_object(&hwpt->obj); 201 } 202 *mock = container_of(hwpt->domain, struct mock_iommu_domain, domain); 203 return hwpt; 204 } 205 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org