These two patches are to update default segment_boundary_mask. PATCH-1 fixes overflow issues in callers of dma_get_seg_boundary. Previous version was a series: https://lkml.org/lkml/2020/8/31/1026 Then PATCH-2 sets default segment_boundary_mask to ULONG_MAX. Nicolin Chen (2): dma-mapping: introduce dma_get_seg_boundary_nr_pages() dma-mapping: set default segment_boundary_mask to ULONG_MAX arch/alpha/kernel/pci_iommu.c | 7 +------ arch/ia64/hp/common/sba_iommu.c | 3 +-- arch/powerpc/kernel/iommu.c | 9 ++------- arch/s390/pci/pci_dma.c | 6 ++---- arch/sparc/kernel/iommu-common.c | 10 +++------- arch/sparc/kernel/iommu.c | 3 +-- arch/sparc/kernel/pci_sun4v.c | 3 +-- arch/x86/kernel/amd_gart_64.c | 3 +-- drivers/parisc/ccio-dma.c | 3 +-- drivers/parisc/sba_iommu.c | 3 +-- include/linux/dma-mapping.h | 21 ++++++++++++++++++++- 11 files changed, 34 insertions(+), 37 deletions(-) -- 2.17.1