Re: [PATCH v4 0/7] Convert the intel iommu driver to the dma-iommu api

From: Tvrtko Ursulin
Date: Mon Sep 28 2020 - 05:44:50 EST



On 27/09/2020 07:34, Lu Baolu wrote:
Hi,

The previous post of this series could be found here.

https://lore.kernel.org/linux-iommu/20200912032200.11489-1-baolu.lu@xxxxxxxxxxxxxxx/

This version introduce a new patch [4/7] to fix an issue reported here.

https://lore.kernel.org/linux-iommu/51a1baec-48d1-c0ac-181b-1fba92aa428d@xxxxxxxxxxxxxxx/

There aren't any other changes.

Please help to test and review.

Best regards,
baolu

Lu Baolu (3):
iommu: Add quirk for Intel graphic devices in map_sg

Since I do have patches to fix i915 to handle this, do we want to co-ordinate the two and avoid having to add this quirk and then later remove it? Or you want to go the staged approach?

Regards,

Tvrtko

iommu/vt-d: Update domain geometry in iommu_ops.at(de)tach_dev
iommu/vt-d: Cleanup after converting to dma-iommu ops

Tom Murphy (4):
iommu: Handle freelists when using deferred flushing in iommu drivers
iommu: Add iommu_dma_free_cpu_cached_iovas()
iommu: Allow the dma-iommu api to use bounce buffers
iommu/vt-d: Convert intel iommu driver to the iommu ops

.../admin-guide/kernel-parameters.txt | 5 -
drivers/iommu/dma-iommu.c | 228 ++++-
drivers/iommu/intel/Kconfig | 1 +
drivers/iommu/intel/iommu.c | 901 +++---------------
include/linux/dma-iommu.h | 8 +
include/linux/iommu.h | 1 +
6 files changed, 336 insertions(+), 808 deletions(-)