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

From "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 0/3] arm-smmu: performance optimization
Date 2017-09-19 08:30 +0200
Message-ID <urkcF-xj-17@gated-at.bofh.it> (permalink)
References <uoT6V-1Hz-5@gated-at.bofh.it> <uriud-7Qg-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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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Thread

[PATCH v2 0/3] arm-smmu: performance optimization Zhen Lei <thunder.leizhen@huawei.com> - 2017-09-12 15:10 +0200
  Re: [PATCH v2 0/3] arm-smmu: performance optimization Nate Watterson <nwatters@codeaurora.org> - 2017-09-19 06:40 +0200
    Re: [PATCH v2 0/3] arm-smmu: performance optimization "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com> - 2017-09-19 08:30 +0200

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