tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b0a2c79c6f3590b74742cbbc76687014d47972d8 commit: a5a91e54846d35c234939fb9170e035805353049 [8395/9390] iommu/amd: Add SVA domain support config: x86_64-buildonly-randconfig-006-20240430 (https://download.01.org/0day-ci/archive/20240430/202404300810.iTQNKCkI-lkp@xxxxxxxxx/config) compiler: clang version 18.1.4 (https://github.com/llvm/llvm-project e6c3289804a67ea0bb6a86fadbe454dd93b8d855) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240430/202404300810.iTQNKCkI-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404300810.iTQNKCkI-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/iommu/amd/pasid.c:172:3: error: call to undeclared function 'mmu_notifier_unregister'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 172 | mmu_notifier_unregister(&sva_pdom->mn, domain->mm); | ^ drivers/iommu/amd/pasid.c:172:3: note: did you mean 'mmu_notifier_release'? include/linux/mmu_notifier.h:636:20: note: 'mmu_notifier_release' declared here 636 | static inline void mmu_notifier_release(struct mm_struct *mm) | ^ >> drivers/iommu/amd/pasid.c:195:8: error: call to undeclared function 'mmu_notifier_register'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 195 | ret = mmu_notifier_register(&pdom->mn, mm); | ^ drivers/iommu/amd/pasid.c:195:8: note: did you mean 'mmu_notifier_release'? include/linux/mmu_notifier.h:636:20: note: 'mmu_notifier_release' declared here 636 | static inline void mmu_notifier_release(struct mm_struct *mm) | ^ 2 errors generated. vim +/mmu_notifier_unregister +172 drivers/iommu/amd/pasid.c 166 167 static void iommu_sva_domain_free(struct iommu_domain *domain) 168 { 169 struct protection_domain *sva_pdom = to_pdomain(domain); 170 171 if (sva_pdom->mn.ops) > 172 mmu_notifier_unregister(&sva_pdom->mn, domain->mm); 173 174 amd_iommu_domain_free(domain); 175 } 176 177 static const struct iommu_domain_ops amd_sva_domain_ops = { 178 .set_dev_pasid = iommu_sva_set_dev_pasid, 179 .free = iommu_sva_domain_free 180 }; 181 182 struct iommu_domain *amd_iommu_domain_alloc_sva(struct device *dev, 183 struct mm_struct *mm) 184 { 185 struct protection_domain *pdom; 186 int ret; 187 188 pdom = protection_domain_alloc(IOMMU_DOMAIN_SVA); 189 if (!pdom) 190 return ERR_PTR(-ENOMEM); 191 192 pdom->domain.ops = &amd_sva_domain_ops; 193 pdom->mn.ops = &sva_mn; 194 > 195 ret = mmu_notifier_register(&pdom->mn, mm); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
