[PATCH v2 0/8] io-pgtable lock removal
From: John Garry <hidden>
Date: 2017-06-23 08:47:16
Also in:
linux-iommu
On 22/06/2017 16:53, Robin Murphy wrote:
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.
Hi Robin, Is it worth us retesting this patchset? If yes, as for a branch (for convenience), does this one now match v2: git://linux-arm.org/linux-rm iommu/pgtable I saw it was rewritten recently. Thanks, John
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(-)