From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sowmini Varadhan Date: Mon, 22 Dec 2014 22:43:08 +0000 Subject: [PATCH 0/2] IOMMU pools for better scalability Message-Id: <20141222224308.GH29674@oracle.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org This patch series follows up on the suggestion in http://www.spinics.net/lists/sparclinux/msg13230.html Patch 1 of the series adds the infra-structure functions for range alloc/free into (new file) lib/iomm-common.c Patch 2 of the series makes sparc64 use this via changes to pci_sun4v.c Sowmini Varadhan (2): Break up monolithic iommu table/lock into finer graularity pools and lock Make sparc64 use scalable lib/iommu-common.c functions arch/sparc/kernel/pci_impl.h | 7 ++- arch/sparc/kernel/pci_sun4v.c | 201 +++++++++++++++++++---------------------- include/linux/iommu-common.h | 70 ++++++++++++++ lib/Makefile | 2 +- lib/iommu-common.c | 200 ++++++++++++++++++++++++++++++++++++++++ 5 files changed, 370 insertions(+), 110 deletions(-) create mode 100644 include/linux/iommu-common.h create mode 100644 lib/iommu-common.c