[PATCH v2 0/3] arm-smmu: performance optimization

Zhen Lei thunder.leizhen at huawei.com
Tue Sep 12 06:00:35 PDT 2017


v1 -> v2:
base on (add02cfdc9bc2 "iommu: Introduce Interface for IOMMU TLB Flushing")

Zhen Lei (3):
  iommu/arm-smmu-v3: put off the execution of TLBI* to reduce lock
    confliction
  iommu/arm-smmu-v3: add support for unmap an iova range with only one
    tlb sync
  iommu/arm-smmu: add support for unmap a memory range with only one tlb
    sync

 drivers/iommu/arm-smmu-v3.c        | 52 ++++++++++++++++++++++++++++++++++----
 drivers/iommu/arm-smmu.c           | 10 ++++++++
 drivers/iommu/io-pgtable-arm-v7s.c | 32 +++++++++++++++--------
 drivers/iommu/io-pgtable-arm.c     | 30 ++++++++++++++--------
 drivers/iommu/io-pgtable.h         |  1 +
 5 files changed, 99 insertions(+), 26 deletions(-)

-- 
2.5.0





More information about the linux-arm-kernel mailing list