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X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2025 04:06:54.0417 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: bUTM3SMDThuH6mCGRriYUb5WHiKCT0ujhJsl9u/6FpdRTWs/vwAwCgsxLwnVxambOyRWtlG31ME/4JjopVJo6w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ5PPF0D0CDCDB9 X-OriginatorOrg: intel.com On 2025/12/8 23:50, kernel test robot wrote: > Hi Yi, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on linus/master] > [also build test ERROR on v6.18 next-20251208] > [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#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Yi-Liu/iommu-vt-d-Flush-piotlb-for-SVM-and-Nested-domain/20251208-172359 > base: linus/master > patch link: https://lore.kernel.org/r/20251208091907.74719-1-yi.l.liu%40intel.com > patch subject: [PATCH] iommu/vt-d: Flush piotlb for SVM and Nested domain > config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20251208/202512082342.IdZjYepb-lkp@intel.com/config) > compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251208/202512082342.IdZjYepb-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 > | Closes: https://lore.kernel.org/oe-kbuild-all/202512082342.IdZjYepb-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > ld: vmlinux.o: in function `dmar_domain_attach_device': >>> iommu.c:(.text+0x70aa38): undefined reference to `intel_svm_domain_ops' > ld: vmlinux.o: in function `paging_domain_compatible': >>> (.text+0x70ab8f): undefined reference to `intel_svm_domain_ops' > ld: vmlinux.o: in function `intel_iommu_set_dev_pasid': > iommu.c:(.text+0x70b487): undefined reference to `intel_svm_domain_ops' > ld: vmlinux.o: in function `cache_tag_flush_iotlb': >>> cache.c:(.text+0x70e74a): undefined reference to `intel_svm_domain_ops' > ld: vmlinux.o: in function `cache_tag_flush_range_np': > (.text+0x70f2d3): undefined reference to `intel_svm_domain_ops' > hmmm. this happens when CONFIG_INTEL_IOMMU_SVM is not Y. will fix it thanks.