linux-kernel - Re: [PATCH v5 0/5] add non-strict mode support for arm-smmu-v3

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Date:   Thu, 13 Sep 2018 10:02:11 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     Robin Murphy <robin.murphy@....com>,
        Will Deacon <will.deacon@....com>
CC:     Joerg Roedel <joro@...tes.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        iommu <iommu@...ts.linux-foundation.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        LinuxArm <linuxarm@...wei.com>,
        Hanjun Guo <guohanjun@...wei.com>,
        Libin <huawei.libin@...wei.com>,
        John Garry <john.garry@...wei.com>
Subject: Re: [PATCH v5 0/5] add non-strict mode support for arm-smmu-v3



On 2018/9/13 1:12, Robin Murphy wrote:
> On 12/09/18 17:57, Will Deacon wrote:
>> Hi all,
>>
>> On Wed, Aug 15, 2018 at 09:28:25AM +0800, Zhen Lei wrote:
>>> v4 -> v5:
>>> 1. change the type of global variable and struct member named "non_strict" from
>>>     "int" to "bool".
>>> 2. cancel the unnecessary parameter "strict" of __arm_lpae_unmap which was added
>>>     in v4.
>>> 3. change boot option "arm_iommu" to "iommu.non_strict".
>>> 4. convert __iommu_dma_unmap to use iommu_unmap_fast()/iommu_tlb_sync(), because
>>>     non-leaf unmaps still need to be synchronous.
>>>
>>> Thanks for Robin's review comments.
>>
>> Since this is 90% of the way there now, I suggest Robin picks up what's here
>> and incorporates his remaining review comments directly (especially since it
>> sounded like Zhen Lei hasn't got much free time lately). With that, I can
>> queue this lot via my smmu branch, which already has some stuff queued
>> for SMMUv3 and io-pgtable.
>>
>> Please shout if you have any objections, but I'm keen for this not to
>> languish on the lists given how close it is!
> 
> Sure, having got this far I'd like to see it get done too. I'll make some time and give it a go.

Thank you very much.

I've been too busy lately, at least I still have no time this week, I also think it's been too long.

So sorry and thanks again.

> 
> Robin.
> 
> .
> 

-- 
Thanks!
BestRegards