From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sowmini Varadhan Date: Fri, 13 Mar 2015 00:02:34 +0000 Subject: [PATCH v4 RFC 0/3] sparc: IOMMU pools for better scalability Message-Id: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org Follows up on feedback to v3 patch-set from http://www.spinics.net/lists/sparclinux/msg13462.html specifically, - pci_impl.h has no changes, now that all sparc iommu usage is converted to the common library. - Remove IOMMU_ERROR_CODE. use DMA_ERROR_CODE - page_table_map_base and page_table_shift are unsigned long. Sowmini (2): Break up monolithic iommu table/lock into finer graularity pools and lock Make sparc64 use scalable lib/iommu-common.c functions Sowmini Varadhan (1): Make LDC use common iommu poll management functions arch/sparc/include/asm/iommu_64.h | 7 +- arch/sparc/kernel/iommu.c | 188 +++++++++++--------------------- arch/sparc/kernel/iommu_common.h | 8 -- arch/sparc/kernel/ldc.c | 185 ++++++++++++++++--------------- arch/sparc/kernel/pci_sun4v.c | 193 ++++++++++++++++----------------- include/linux/iommu-common.h | 55 +++++++++ lib/Makefile | 2 +- lib/iommu-common.c | 220 +++++++++++++++++++++++++++++++++++++ 8 files changed, 533 insertions(+), 325 deletions(-) create mode 100644 include/linux/iommu-common.h create mode 100644 lib/iommu-common.c