From: "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com>
To: Nate Watterson <nwatters@codeaurora.org>,
Will Deacon <will.deacon@arm.com>, Joerg Roedel <joro@8bytes.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
iommu <iommu@lists.linux-foundation.org>,
Robin Murphy <robin.murphy@arm.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Cc: Jinyue Li <lijinyue@huawei.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Libin <huawei.libin@huawei.com>,
Hanjun Guo <guohanjun@huawei.com>
Subject: Re: [PATCH v2 0/3] arm-smmu: performance optimization
Date: Tue, 19 Sep 2017 14:26:53 +0800 [thread overview]
Message-ID: <59C0B8AD.4010201@huawei.com> (raw)
In-Reply-To: <6b051916-c49f-f9d0-81d8-05f857e4672e@codeaurora.org>
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
prev parent reply other threads:[~2017-09-19 6:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-12 13:00 [PATCH v2 0/3] arm-smmu: performance optimization Zhen Lei
2017-09-12 13:00 ` [PATCH v2 1/3] iommu/arm-smmu-v3: put off the execution of TLBI* to reduce lock confliction Zhen Lei
2017-10-18 12:58 ` Will Deacon
2017-10-19 3:00 ` Leizhen (ThunderTown)
2017-10-19 9:12 ` Will Deacon
2017-09-12 13:00 ` [PATCH v2 2/3] iommu/arm-smmu-v3: add support for unmap an iova range with only one tlb sync Zhen Lei
2017-10-18 13:00 ` Will Deacon
2017-10-19 3:17 ` Leizhen (ThunderTown)
2017-09-12 13:00 ` [PATCH v2 3/3] iommu/arm-smmu: add support for unmap a memory " Zhen Lei
2017-09-19 4:31 ` [PATCH v2 0/3] arm-smmu: performance optimization Nate Watterson
2017-09-19 6:26 ` Leizhen (ThunderTown) [this message]
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