Messages in this thread | | | Subject | Re: [PATCH v2 0/3] arm-smmu: performance optimization | From | "Leizhen (ThunderTown)" <> | Date | Tue, 19 Sep 2017 14:26:53 +0800 |
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On 2017/9/19 12:31, Nate Watterson wrote: > Hi Leizhen, > > On 9/12/2017 9:00 AM, Zhen Lei wrote: >> 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 > > I tested these (2) patches on QDF2400 hardware and saw performance > improvements in line with those I reported when testing the original > series. I don't have any hardware close at hand to test the 3rd patch > in the series so that will have to come from someone else. Thanks a lot.
> > Tested-by: Nate Watterson <nwatters@codeaurora.org> > > Thanks, > Nate > >> 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(-) >> >
-- Thanks! BestRegards
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