[PATCH v2 0/8] io-pgtable lock removal

Robin Murphy
2017-06-22T15:53:49Z

The feedback has been promising, so v2 is just a final update to cover
a handful of memory ordering and cosmetic tweaks that came up when Will
and I went through this offline.

Thanks,
Robin.

Robin Murphy (8):
iommu/io-pgtable-arm-v7s: Check table PTEs more precisely
iommu/io-pgtable-arm: Improve split_blk_unmap
iommu/io-pgtable-arm-v7s: Refactor split_blk_unmap
iommu/io-pgtable: Introduce explicit coherency
iommu/io-pgtable-arm: Support lockless operation
iommu/io-pgtable-arm-v7s: Support lockless operation
iommu/arm-smmu: Remove io-pgtable spinlock
iommu/arm-smmu-v3: Remove io-pgtable spinlock

drivers/iommu/arm-smmu-v3.c | 36 ++-----
drivers/iommu/arm-smmu.c | 48 ++++------
drivers/iommu/io-pgtable-arm-v7s.c | 179 +++++++++++++++++++++-------------
drivers/iommu/io-pgtable-arm.c | 191 ++++++++++++++++++++++++-------------
drivers/iommu/io-pgtable.h | 6 ++
5 files changed, 274 insertions(+), 186 deletions(-)

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2.12.2.dirty