Hi Eric, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.11] [also build test ERROR on next-20210223] [cannot apply to vfio/next] [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] url: https://github.com/0day-ci/linux/commits/Eric-Auger/SMMUv3-Nested-Stage-Setup-VFIO-part/20210224-051641 base: f40ddce88593482919761f74910f42f4b84c004b config: arm64-randconfig-r003-20210223 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/3bb0b5b270edf8c80af65a89749296990f9b9213 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Eric-Auger/SMMUv3-Nested-Stage-Setup-VFIO-part/20210224-051641 git checkout 3bb0b5b270edf8c80af65a89749296990f9b9213 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from drivers/vfio/vfio.c:32: In file included from include/linux/vfio.h:16: >> include/uapi/linux/vfio.h:1198:34: error: field has incomplete type 'struct iommu_pasid_table_config' struct iommu_pasid_table_config config; /* used on SET */ ^ include/uapi/linux/vfio.h:1198:9: note: forward declaration of 'struct iommu_pasid_table_config' struct iommu_pasid_table_config config; /* used on SET */ ^ 1 error generated. -- In file included from drivers/vfio/vfio_iommu_type1.c:36: In file included from include/linux/vfio.h:16: >> include/uapi/linux/vfio.h:1198:34: error: field has incomplete type 'struct iommu_pasid_table_config' struct iommu_pasid_table_config config; /* used on SET */ ^ include/uapi/linux/vfio.h:1198:9: note: forward declaration of 'struct iommu_pasid_table_config' struct iommu_pasid_table_config config; /* used on SET */ ^ >> drivers/vfio/vfio_iommu_type1.c:2597:3: error: implicit declaration of function 'iommu_detach_pasid_table' [-Werror,-Wimplicit-function-declaration] iommu_detach_pasid_table(d->domain); ^ drivers/vfio/vfio_iommu_type1.c:2597:3: note: did you mean 'vfio_detach_pasid_table'? drivers/vfio/vfio_iommu_type1.c:2591:1: note: 'vfio_detach_pasid_table' declared here vfio_detach_pasid_table(struct vfio_iommu *iommu) ^ >> drivers/vfio/vfio_iommu_type1.c:2611:9: error: implicit declaration of function 'iommu_uapi_attach_pasid_table' [-Werror,-Wimplicit-function-declaration] ret = iommu_uapi_attach_pasid_table(d->domain, (void __user *)arg); ^ drivers/vfio/vfio_iommu_type1.c:2614:5: error: implicit declaration of function 'iommu_detach_pasid_table' [-Werror,-Wimplicit-function-declaration] iommu_detach_pasid_table(d->domain); ^ 4 errors generated. vim +1198 include/uapi/linux/vfio.h 1184 1185 /* 1186 * VFIO_IOMMU_SET_PASID_TABLE - _IOWR(VFIO_TYPE, VFIO_BASE + 18, 1187 * struct vfio_iommu_type1_set_pasid_table) 1188 * 1189 * The SET operation passes a PASID table to the host while the 1190 * UNSET operation detaches the one currently programmed. Setting 1191 * a table while another is already programmed replaces the old table. 1192 */ 1193 struct vfio_iommu_type1_set_pasid_table { 1194 __u32 argsz; 1195 __u32 flags; 1196 #define VFIO_PASID_TABLE_FLAG_SET (1 << 0) 1197 #define VFIO_PASID_TABLE_FLAG_UNSET (1 << 1) > 1198 struct iommu_pasid_table_config config; /* used on SET */ 1199 }; 1200 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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