tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 3fe121b622825ff8cc995a1e6b026181c48188db commit: 4fe88fd8b4aecb7f9680bf898811db76b94095a9 [9539/12880] iommu/io-pgtable-arm: Add read_and_clear_dirty() support config: arm-buildonly-randconfig-r005-20220402 (https://download.01.org/0day-ci/archive/20240712/202407121602.HL9ih1it-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240712/202407121602.HL9ih1it-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/202407121602.HL9ih1it-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/iommu/io-pgtable-arm.c: In function 'io_pgtable_visit_dirty': >> drivers/iommu/io-pgtable-arm.c:772:50: error: 'IOMMU_DIRTY_NO_CLEAR' undeclared (first use in this function) 772 | if (!(walk_data->flags & IOMMU_DIRTY_NO_CLEAR)) | ^~~~~~~~~~~~~~~~~~~~ drivers/iommu/io-pgtable-arm.c:772:50: note: each undeclared identifier is reported only once for each function it appears in vim +/IOMMU_DIRTY_NO_CLEAR +772 drivers/iommu/io-pgtable-arm.c 753 754 static int __arm_lpae_iopte_walk_dirty(struct arm_lpae_io_pgtable *data, 755 struct io_pgtable_walk_data *walk_data, 756 arm_lpae_iopte *ptep, 757 int lvl); 758 759 static int io_pgtable_visit_dirty(struct arm_lpae_io_pgtable *data, 760 struct io_pgtable_walk_data *walk_data, 761 arm_lpae_iopte *ptep, int lvl) 762 { 763 struct io_pgtable *iop = &data->iop; 764 arm_lpae_iopte pte = READ_ONCE(*ptep); 765 766 if (iopte_leaf(pte, lvl, iop->fmt)) { 767 size_t size = ARM_LPAE_BLOCK_SIZE(lvl, data); 768 769 if (iopte_writeable_dirty(pte)) { 770 iommu_dirty_bitmap_record(walk_data->dirty, 771 walk_data->addr, size); > 772 if (!(walk_data->flags & IOMMU_DIRTY_NO_CLEAR)) 773 iopte_set_writeable_clean(ptep); 774 } 775 walk_data->addr += size; 776 return 0; 777 } 778 779 if (WARN_ON(!iopte_table(pte, lvl))) 780 return -EINVAL; 781 782 ptep = iopte_deref(pte, data); 783 return __arm_lpae_iopte_walk_dirty(data, walk_data, ptep, lvl + 1); 784 } 785 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
