On 2014/9/15 15:54, Yijing Wang wrote: > I built and boot this series in Huawei RH5885 (Intel(R) Xeon(R) CPU E7- 4807, two IOHs and two IOMMUs), > It works fine, IRQ remap and DMA remap are both look good. > But because my platform BIOS has no _DSM, so I didn't test the hotplug case yet. > > Thanks! > Yijing. Hi Yijing, Thanks for your great effort to review and test this patch set! Regards! Gerry > > > On 2014/9/12 10:10, Jiang Liu wrote: >> When hot plugging a descrete IOH or a physical processor with embedded >> IIO, we need to handle DMAR(or IOMMU) unit in the PCIe host bridge if >> DMAR is in use. This patch set tries to enhance current DMAR/IOMMU/IR >> drivers to support hotplug and is based on latest Linus master branch. >> >> All prerequisite patches to support DMAR device hotplug have been merged >> into the mainstream kernel, and this is the last patch set to enable >> DMAR device hotplug. >> >> You may access the patch set at: >> https://github.com/jiangliu/linux.git iommu/hotplug_v5 >> >> This patch set has been tested on Intel development machine. >> Appreciate any comments and tests. >> >> Patch 1-4 enhances DMAR framework to support hotplug >> Patch 5 enhances Intel interrupt remapping driver to support hotplug >> Patch 6 enhances error handling in Intel IR driver >> Patch 7 enhance Intel IOMMU to support hotplug >> Patch 8 enhance ACPI pci_root driver to handle DMAR units >> >> Jiang Liu (8): >> iommu/vt-d: Introduce helper function dmar_walk_resources() >> iommu/vt-d: Dynamically allocate and free seq_id for DMAR units >> iommu/vt-d: Implement DMAR unit hotplug framework >> iommu/vt-d: Search for ACPI _DSM method for DMAR hotplug >> iommu/vt-d: Enhance intel_irq_remapping driver to support DMAR unit >> hotplug >> iommu/vt-d: Enhance error recovery in function >> intel_enable_irq_remapping() >> iommu/vt-d: Enhance intel-iommu driver to support DMAR unit hotplug >> pci, ACPI, iommu: Enhance pci_root to support DMAR device hotplug >> >> drivers/acpi/pci_root.c | 16 +- >> drivers/iommu/dmar.c | 532 ++++++++++++++++++++++++++++------- >> drivers/iommu/intel-iommu.c | 297 ++++++++++++++----- >> drivers/iommu/intel_irq_remapping.c | 233 +++++++++++---- >> include/linux/dmar.h | 50 +++- >> 5 files changed, 888 insertions(+), 240 deletions(-) >> > > -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
