From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolin Chen Date: Tue, 01 Sep 2020 22:16:44 +0000 Subject: [PATCH 0/2] dma-mapping: update default segment_boundary_mask Message-Id: <20200901221646.26491-1-nicoleotsuka@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: hch@lst.de Cc: sfr@canb.auug.org.au, mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, rth@twiddle.net, ink@jurassic.park.msu.ru, mattst88@gmail.com, linux-alpha@vger.kernel.org, tony.luck@intel.com, fenghua.yu@intel.com, linux-ia64@vger.kernel.org, schnelle@linux.ibm.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, borntraeger@de.ibm.com, linux-s390@vger.kernel.org, davem@davemloft.net, sparclinux@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, James.Bottomley@HansenPartnership.com, deller@gmx.de, linux-parisc@vger.kernel.org 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