Hi Eric, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.12-rc6] [also build test ERROR on next-20210409] [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/20210411-195216 base: e49d033bddf5b565044e2abe4241353959bc9120 config: i386-randconfig-s001-20210411 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-279-g6d5d9b42-dirty # https://github.com/0day-ci/linux/commit/0af9db19db29eb2a707b9e1ca4ff9e1a08a1c511 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/20210411-195216 git checkout 0af9db19db29eb2a707b9e1ca4ff9e1a08a1c511 # 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/vfio/vfio.c:32: >> include/uapi/linux/vfio.h:1226:34: error: field 'config' has incomplete type 1226 | struct iommu_pasid_table_config config; /* used on SET */ | ^~~~~~ -- In file included from include/linux/vfio.h:16, from drivers/vfio/vfio_iommu_type1.c:37: >> include/uapi/linux/vfio.h:1226:34: error: field 'config' has incomplete type 1226 | struct iommu_pasid_table_config config; /* used on SET */ | ^~~~~~ drivers/vfio/vfio_iommu_type1.c: In function 'vfio_detach_pasid_table': >> drivers/vfio/vfio_iommu_type1.c:2844:3: error: implicit declaration of function 'iommu_detach_pasid_table'; did you mean 'vfio_detach_pasid_table'? [-Werror=implicit-function-declaration] 2844 | iommu_detach_pasid_table(d->domain); | ^~~~~~~~~~~~~~~~~~~~~~~~ | vfio_detach_pasid_table drivers/vfio/vfio_iommu_type1.c: In function 'vfio_attach_pasid_table': >> drivers/vfio/vfio_iommu_type1.c:2858:9: error: implicit declaration of function 'iommu_uapi_attach_pasid_table'; did you mean 'vfio_attach_pasid_table'? [-Werror=implicit-function-declaration] 2858 | ret = iommu_uapi_attach_pasid_table(d->domain, (void __user *)arg); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | vfio_attach_pasid_table cc1: some warnings being treated as errors vim +/config +1226 include/uapi/linux/vfio.h 1211 1212 /* 1213 * VFIO_IOMMU_SET_PASID_TABLE - _IOWR(VFIO_TYPE, VFIO_BASE + 18, 1214 * struct vfio_iommu_type1_set_pasid_table) 1215 * 1216 * The SET operation passes a PASID table to the host while the 1217 * UNSET operation detaches the one currently programmed. It is 1218 * allowed to "SET" the table several times without unsetting as 1219 * long as the table config does not stay IOMMU_PASID_CONFIG_TRANSLATE. 1220 */ 1221 struct vfio_iommu_type1_set_pasid_table { 1222 __u32 argsz; 1223 __u32 flags; 1224 #define VFIO_PASID_TABLE_FLAG_SET (1 << 0) 1225 #define VFIO_PASID_TABLE_FLAG_UNSET (1 << 1) > 1226 struct iommu_pasid_table_config config; /* used on SET */ 1227 }; 1228 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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