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: i386-randconfig-s001-20210223 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-229-g60c1f270-dirty # 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 make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 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 include/linux/vfio.h:16, from drivers/gpu/drm/i915/gvt/dmabuf.h:33, from <command-line>: >> include/uapi/linux/vfio.h:1198:34: error: field 'config' has incomplete type 1198 | struct iommu_pasid_table_config config; /* used on SET */ | ^~~~~~ vim +/config +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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